Add typing information, 2/n (#1178)

* Add typing to Docker Stack modules. Clean modules up.

* Add typing to Docker Swarm modules.

* Add typing to unit tests.

* Add more typing.

* Add ignore.txt entries.

.mypy.ini

@@ -3,15 +3,15 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 [mypy]
-# check_untyped_defs = True -- for later
-# disallow_untyped_defs = True -- for later
+check_untyped_defs = True
+disallow_untyped_defs = True
 
 # strict = True -- only try to enable once everything (including dependencies!) is typed
 strict_equality = True
 strict_bytes = True
 
 warn_redundant_casts = True
-# warn_return_any = True -- for later
+# warn_return_any = True
 warn_unreachable = True
 
 [mypy-ansible.*]

plugins/connection/docker.py

@@ -141,7 +141,7 @@ class Connection(ConnectionBase):
     transport = "community.docker.docker"
     has_pipelining = True
 
-    def __init__(self, *args, **kwargs) -> None:
+    def __init__(self, *args: t.Any, **kwargs: t.Any) -> None:
         super().__init__(*args, **kwargs)
 
         # Note: docker supports running as non-root in some configurations.
@@ -476,7 +476,7 @@ class Connection(ConnectionBase):
             display.debug("done with docker.exec_command()")
             return (p.returncode, stdout, stderr)
 
-    def _prefix_login_path(self, remote_path):
+    def _prefix_login_path(self, remote_path: str) -> str:
         """Make sure that we put files into a standard path
 
         If a path is relative, then we need to choose where to put it.

plugins/connection/docker_api.py

@@ -192,7 +192,7 @@ class Connection(ConnectionBase):
                 f'An unexpected requests error occurred for container "{remote_addr}" when trying to talk to the Docker daemon: {e}'
             )
 
-    def __init__(self, *args, **kwargs) -> None:
+    def __init__(self, *args: t.Any, **kwargs: t.Any) -> None:
         super().__init__(*args, **kwargs)
 
         self.client: AnsibleDockerClient | None = None
@@ -319,7 +319,7 @@ class Connection(ConnectionBase):
 
                         become_output = [b""]
 
-                        def append_become_output(stream_id, data):
+                        def append_become_output(stream_id: int, data: bytes) -> None:
                             become_output[0] += data
 
                         exec_socket_handler.set_block_done_callback(

plugins/connection/nsenter.py

@@ -65,7 +65,7 @@ class Connection(ConnectionBase):
     transport = "community.docker.nsenter"
     has_pipelining = False
 
-    def __init__(self, *args, **kwargs) -> None:
+    def __init__(self, *args: t.Any, **kwargs: t.Any) -> None:
         super().__init__(*args, **kwargs)
         self.cwd = None
         self._nsenter_pid = None

plugins/inventory/docker_machine.py

@@ -221,7 +221,10 @@ class InventoryModule(BaseInventoryPlugin, Constructable, Cacheable):
         return ip_addr
 
     def _should_skip_host(
-        self, machine_name: str, env_var_tuples, daemon_env: DaemonEnv
+        self,
+        machine_name: str,
+        env_var_tuples: list[tuple[str, str]],
+        daemon_env: DaemonEnv,
     ) -> bool:
         if not env_var_tuples:
             warning_prefix = f"Unable to fetch Docker daemon env vars from Docker Machine for host {machine_name}"

plugins/module_utils/_api/_import_helper.py

@@ -67,7 +67,7 @@ except ImportError:
             pass
 
         class FakeURLLIB3:
-            def __init__(self):
+            def __init__(self) -> None:
                 self._collections = self
                 self.poolmanager = self
                 self.connection = self
@@ -81,14 +81,14 @@ except ImportError:
                 )
 
         class FakeURLLIB3Connection:
-            def __init__(self):
+            def __init__(self) -> None:
                 self.HTTPConnection = _HTTPConnection  # pylint: disable=invalid-name
 
         urllib3 = FakeURLLIB3()
         urllib3_connection = FakeURLLIB3Connection()
 
 
-def fail_on_missing_imports():
+def fail_on_missing_imports() -> None:
     if REQUESTS_IMPORT_ERROR is not None:
         from .errors import MissingRequirementException  # pylint: disable=cyclic-import
 

plugins/module_utils/_api/api/client.py

@@ -55,6 +55,7 @@ from ..utils.socket import consume_socket_output, demux_adaptor, frames_iter
 
 if t.TYPE_CHECKING:
     from requests import Response
+    from requests.adapters import BaseAdapter
 
     from ..._socket_helper import SocketLike
 
@@ -258,23 +259,23 @@ class APIClient(_Session):
         return kwargs
 
     @update_headers
-    def _post(self, url: str, **kwargs):
+    def _post(self, url: str, **kwargs: t.Any) -> Response:
         return self.post(url, **self._set_request_timeout(kwargs))
 
     @update_headers
-    def _get(self, url: str, **kwargs):
+    def _get(self, url: str, **kwargs: t.Any) -> Response:
         return self.get(url, **self._set_request_timeout(kwargs))
 
     @update_headers
-    def _head(self, url: str, **kwargs):
+    def _head(self, url: str, **kwargs: t.Any) -> Response:
         return self.head(url, **self._set_request_timeout(kwargs))
 
     @update_headers
-    def _put(self, url: str, **kwargs):
+    def _put(self, url: str, **kwargs: t.Any) -> Response:
         return self.put(url, **self._set_request_timeout(kwargs))
 
     @update_headers
-    def _delete(self, url: str, **kwargs):
+    def _delete(self, url: str, **kwargs: t.Any) -> Response:
         return self.delete(url, **self._set_request_timeout(kwargs))
 
     def _url(self, pathfmt: str, *args: str, versioned_api: bool = True) -> str:
@@ -343,7 +344,7 @@ class APIClient(_Session):
         return response.text
 
     def _post_json(
-        self, url: str, data: dict[str, str | None] | t.Any, **kwargs
+        self, url: str, data: dict[str, str | None] | t.Any, **kwargs: t.Any
     ) -> Response:
         # Go <1.1 cannot unserialize null to a string
         # so we do this disgusting thing here.
@@ -556,22 +557,30 @@ class APIClient(_Session):
         """
         socket = self._get_raw_response_socket(response)
 
-        gen: t.Generator = frames_iter(socket, tty)
+        gen = frames_iter(socket, tty)
 
         if demux:
             # The generator will output tuples (stdout, stderr)
-            gen = (demux_adaptor(*frame) for frame in gen)
+            demux_gen: t.Generator[tuple[bytes | None, bytes | None]] = (
+                demux_adaptor(*frame) for frame in gen
+            )
+            if stream:
+                return demux_gen
+            try:
+                # Wait for all the frames, concatenate them, and return the result
+                return consume_socket_output(demux_gen, demux=True)
+            finally:
+                response.close()
         else:
             # The generator will output strings
-            gen = (data for (dummy, data) in gen)
-
-        if stream:
-            return gen
-        try:
-            # Wait for all the frames, concatenate them, and return the result
-            return consume_socket_output(gen, demux=demux)
-        finally:
-            response.close()
+            mux_gen: t.Generator[bytes] = (data for (dummy, data) in gen)
+            if stream:
+                return mux_gen
+            try:
+                # Wait for all the frames, concatenate them, and return the result
+                return consume_socket_output(mux_gen, demux=False)
+            finally:
+                response.close()
 
     def _disable_socket_timeout(self, socket: SocketLike) -> None:
         """Depending on the combination of python version and whether we are
@@ -637,11 +646,11 @@ class APIClient(_Session):
             return self._multiplexed_response_stream_helper(res)
         return sep.join(list(self._multiplexed_buffer_helper(res)))
 
-    def _unmount(self, *args) -> None:
+    def _unmount(self, *args: t.Any) -> None:
         for proto in args:
             self.adapters.pop(proto)
 
-    def get_adapter(self, url: str):
+    def get_adapter(self, url: str) -> BaseAdapter:
         try:
             return super().get_adapter(url)
         except _InvalidSchema as e:
@@ -696,19 +705,19 @@ class APIClient(_Session):
         else:
             log.debug("No auth config found")
 
-    def get_binary(self, pathfmt: str, *args: str, **kwargs) -> bytes:
+    def get_binary(self, pathfmt: str, *args: str, **kwargs: t.Any) -> bytes:
         return self._result(
             self._get(self._url(pathfmt, *args, versioned_api=True), **kwargs),
             get_binary=True,
         )
 
-    def get_json(self, pathfmt: str, *args: str, **kwargs) -> t.Any:
+    def get_json(self, pathfmt: str, *args: str, **kwargs: t.Any) -> t.Any:
         return self._result(
             self._get(self._url(pathfmt, *args, versioned_api=True), **kwargs),
             get_json=True,
         )
 
-    def get_text(self, pathfmt: str, *args: str, **kwargs) -> str:
+    def get_text(self, pathfmt: str, *args: str, **kwargs: t.Any) -> str:
         return self._result(
             self._get(self._url(pathfmt, *args, versioned_api=True), **kwargs)
         )
@@ -718,7 +727,7 @@ class APIClient(_Session):
         pathfmt: str,
         *args: str,
         chunk_size: int = DEFAULT_DATA_CHUNK_SIZE,
-        **kwargs,
+        **kwargs: t.Any,
     ) -> t.Generator[bytes]:
         res = self._get(
             self._url(pathfmt, *args, versioned_api=True), stream=True, **kwargs
@@ -726,23 +735,25 @@ class APIClient(_Session):
         self._raise_for_status(res)
         return self._stream_raw_result(res, chunk_size=chunk_size, decode=False)
 
-    def delete_call(self, pathfmt: str, *args: str, **kwargs) -> None:
+    def delete_call(self, pathfmt: str, *args: str, **kwargs: t.Any) -> None:
         self._raise_for_status(
             self._delete(self._url(pathfmt, *args, versioned_api=True), **kwargs)
         )
 
-    def delete_json(self, pathfmt: str, *args: str, **kwargs) -> t.Any:
+    def delete_json(self, pathfmt: str, *args: str, **kwargs: t.Any) -> t.Any:
         return self._result(
             self._delete(self._url(pathfmt, *args, versioned_api=True), **kwargs),
             get_json=True,
         )
 
-    def post_call(self, pathfmt: str, *args: str, **kwargs) -> None:
+    def post_call(self, pathfmt: str, *args: str, **kwargs: t.Any) -> None:
         self._raise_for_status(
             self._post(self._url(pathfmt, *args, versioned_api=True), **kwargs)
         )
 
-    def post_json(self, pathfmt: str, *args: str, data: t.Any = None, **kwargs) -> None:
+    def post_json(
+        self, pathfmt: str, *args: str, data: t.Any = None, **kwargs: t.Any
+    ) -> None:
         self._raise_for_status(
             self._post_json(
                 self._url(pathfmt, *args, versioned_api=True), data, **kwargs
@@ -750,7 +761,7 @@ class APIClient(_Session):
         )
 
     def post_json_to_binary(
-        self, pathfmt: str, *args: str, data: t.Any = None, **kwargs
+        self, pathfmt: str, *args: str, data: t.Any = None, **kwargs: t.Any
     ) -> bytes:
         return self._result(
             self._post_json(
@@ -760,7 +771,7 @@ class APIClient(_Session):
         )
 
     def post_json_to_json(
-        self, pathfmt: str, *args: str, data: t.Any = None, **kwargs
+        self, pathfmt: str, *args: str, data: t.Any = None, **kwargs: t.Any
     ) -> t.Any:
         return self._result(
             self._post_json(
@@ -770,7 +781,7 @@ class APIClient(_Session):
         )
 
     def post_json_to_text(
-        self, pathfmt: str, *args: str, data: t.Any = None, **kwargs
+        self, pathfmt: str, *args: str, data: t.Any = None, **kwargs: t.Any
     ) -> str:
         return self._result(
             self._post_json(
@@ -784,7 +795,7 @@ class APIClient(_Session):
         *args: str,
         data: t.Any = None,
         headers: dict[str, str] | None = None,
-        **kwargs,
+        **kwargs: t.Any,
     ) -> SocketLike:
         headers = headers.copy() if headers else {}
         headers.update(
@@ -813,7 +824,7 @@ class APIClient(_Session):
         stream: t.Literal[True],
         tty: bool = True,
         demux: t.Literal[False] = False,
-        **kwargs,
+        **kwargs: t.Any,
     ) -> t.Generator[bytes]: ...
 
     @t.overload
@@ -826,7 +837,7 @@ class APIClient(_Session):
         stream: t.Literal[True],
         tty: t.Literal[True] = True,
         demux: t.Literal[True],
-        **kwargs,
+        **kwargs: t.Any,
     ) -> t.Generator[tuple[bytes, None]]: ...
 
     @t.overload
@@ -839,7 +850,7 @@ class APIClient(_Session):
         stream: t.Literal[True],
         tty: t.Literal[False],
         demux: t.Literal[True],
-        **kwargs,
+        **kwargs: t.Any,
     ) -> t.Generator[tuple[bytes, None] | tuple[None, bytes]]: ...
 
     @t.overload
@@ -852,7 +863,7 @@ class APIClient(_Session):
         stream: t.Literal[False],
         tty: bool = True,
         demux: t.Literal[False] = False,
-        **kwargs,
+        **kwargs: t.Any,
     ) -> bytes: ...
 
     @t.overload
@@ -865,7 +876,7 @@ class APIClient(_Session):
         stream: t.Literal[False],
         tty: t.Literal[True] = True,
         demux: t.Literal[True],
-        **kwargs,
+        **kwargs: t.Any,
     ) -> tuple[bytes, None]: ...
 
     @t.overload
@@ -878,7 +889,7 @@ class APIClient(_Session):
         stream: t.Literal[False],
         tty: t.Literal[False],
         demux: t.Literal[True],
-        **kwargs,
+        **kwargs: t.Any,
     ) -> tuple[bytes, bytes]: ...
 
     def post_json_to_stream(
@@ -890,7 +901,7 @@ class APIClient(_Session):
         stream: bool = False,
         demux: bool = False,
         tty: bool = False,
-        **kwargs,
+        **kwargs: t.Any,
     ) -> t.Any:
         headers = headers.copy() if headers else {}
         headers.update(
@@ -912,7 +923,7 @@ class APIClient(_Session):
             demux=demux,
         )
 
-    def post_to_json(self, pathfmt: str, *args: str, **kwargs) -> t.Any:
+    def post_to_json(self, pathfmt: str, *args: str, **kwargs: t.Any) -> t.Any:
         return self._result(
             self._post(self._url(pathfmt, *args, versioned_api=True), **kwargs),
             get_json=True,

plugins/module_utils/_api/auth.py

@@ -106,7 +106,7 @@ class AuthConfig(dict):
 
     @classmethod
     def parse_auth(
-        cls, entries: dict[str, dict[str, t.Any]], raise_on_error=False
+        cls, entries: dict[str, dict[str, t.Any]], raise_on_error: bool = False
     ) -> dict[str, dict[str, t.Any]]:
         """
         Parses authentication entries
@@ -294,7 +294,7 @@ class AuthConfig(dict):
         except StoreError as e:
             raise errors.DockerException(f"Credentials store error: {e}")
 
-    def _get_store_instance(self, name: str):
+    def _get_store_instance(self, name: str) -> Store:
         if name not in self._stores:
             self._stores[name] = Store(name, environment=self._credstore_env)
         return self._stores[name]
@@ -326,8 +326,10 @@ class AuthConfig(dict):
 
 
 def resolve_authconfig(
-    authconfig, registry: str | None = None, credstore_env: dict[str, str] | None = None
-):
+    authconfig: AuthConfig | dict[str, t.Any],
+    registry: str | None = None,
+    credstore_env: dict[str, str] | None = None,
+) -> dict[str, t.Any] | None:
     if not isinstance(authconfig, AuthConfig):
         authconfig = AuthConfig(authconfig, credstore_env)
     return authconfig.resolve_authconfig(registry)

plugins/module_utils/_api/context/config.py

@@ -89,7 +89,7 @@ def get_meta_dir(name: str | None = None) -> str:
     return meta_dir
 
 
-def get_meta_file(name) -> str:
+def get_meta_file(name: str) -> str:
     return os.path.join(get_meta_dir(name), METAFILE)
 
 

plugins/module_utils/_api/errors.py

@@ -18,6 +18,10 @@ from ansible.module_utils.common.text.converters import to_native
 from ._import_helper import HTTPError as _HTTPError
 
 
+if t.TYPE_CHECKING:
+    from requests import Response
+
+
 class DockerException(Exception):
     """
     A base class from which all other exceptions inherit.
@@ -55,7 +59,10 @@ class APIError(_HTTPError, DockerException):
     """
 
     def __init__(
-        self, message: str | Exception, response=None, explanation: str | None = None
+        self,
+        message: str | Exception,
+        response: Response | None = None,
+        explanation: str | None = None,
     ) -> None:
         # requests 1.2 supports response as a keyword argument, but
         # requests 1.1 does not

plugins/module_utils/_api/transport/npipeconn.py

@@ -11,6 +11,7 @@
 
 from __future__ import annotations
 
+import typing as t
 from queue import Empty
 
 from .. import constants
@@ -19,6 +20,12 @@ from .basehttpadapter import BaseHTTPAdapter
 from .npipesocket import NpipeSocket
 
 
+if t.TYPE_CHECKING:
+    from collections.abc import Mapping
+
+    from requests import PreparedRequest
+
+
 RecentlyUsedContainer = urllib3._collections.RecentlyUsedContainer
 
 
@@ -91,7 +98,9 @@ class NpipeHTTPAdapter(BaseHTTPAdapter):
         )
         super().__init__()
 
-    def get_connection(self, url: str | bytes, proxies=None) -> NpipeHTTPConnectionPool:
+    def get_connection(
+        self, url: str | bytes, proxies: Mapping[str, str] | None = None
+    ) -> NpipeHTTPConnectionPool:
         with self.pools.lock:
             pool = self.pools.get(url)
             if pool:
@@ -104,7 +113,9 @@ class NpipeHTTPAdapter(BaseHTTPAdapter):
 
         return pool
 
-    def request_url(self, request, proxies) -> str:
+    def request_url(
+        self, request: PreparedRequest, proxies: Mapping[str, str] | None
+    ) -> str:
         # The select_proxy utility in requests errors out when the provided URL
         # does not have a hostname, like is the case when using a UNIX socket.
         # Since proxies are an irrelevant notion in the case of UNIX sockets

plugins/module_utils/_api/transport/npipesocket.py

@@ -64,7 +64,7 @@ class NpipeSocket:
     implemented.
     """
 
-    def __init__(self, handle=None) -> None:
+    def __init__(self, handle: t.Any | None = None) -> None:
         self._timeout = win32pipe.NMPWAIT_USE_DEFAULT_WAIT
         self._handle = handle
         self._address: str | None = None
@@ -74,15 +74,17 @@ class NpipeSocket:
     def accept(self) -> t.NoReturn:
         raise NotImplementedError()
 
-    def bind(self, address) -> t.NoReturn:
+    def bind(self, address: t.Any) -> t.NoReturn:
         raise NotImplementedError()
 
     def close(self) -> None:
+        if self._handle is None:
+            raise ValueError("Handle not present")
         self._handle.Close()
         self._closed = True
 
     @check_closed
-    def connect(self, address, retry_count: int = 0) -> None:
+    def connect(self, address: str, retry_count: int = 0) -> None:
         try:
             handle = win32file.CreateFile(
                 address,
@@ -116,11 +118,11 @@ class NpipeSocket:
         self._address = address
 
     @check_closed
-    def connect_ex(self, address) -> None:
+    def connect_ex(self, address: str) -> None:
         self.connect(address)
 
     @check_closed
-    def detach(self):
+    def detach(self) -> t.Any:
         self._closed = True
         return self._handle
 
@@ -134,16 +136,18 @@ class NpipeSocket:
     def getsockname(self) -> str | None:
         return self._address
 
-    def getsockopt(self, level, optname, buflen=None) -> t.NoReturn:
+    def getsockopt(
+        self, level: t.Any, optname: t.Any, buflen: t.Any = None
+    ) -> t.NoReturn:
         raise NotImplementedError()
 
-    def ioctl(self, control, option) -> t.NoReturn:
+    def ioctl(self, control: t.Any, option: t.Any) -> t.NoReturn:
         raise NotImplementedError()
 
-    def listen(self, backlog) -> t.NoReturn:
+    def listen(self, backlog: t.Any) -> t.NoReturn:
         raise NotImplementedError()
 
-    def makefile(self, mode: str, bufsize: int | None = None):
+    def makefile(self, mode: str, bufsize: int | None = None) -> t.IO[bytes]:
         if mode.strip("b") != "r":
             raise NotImplementedError()
         rawio = NpipeFileIOBase(self)
@@ -153,6 +157,8 @@ class NpipeSocket:
 
     @check_closed
     def recv(self, bufsize: int, flags: int = 0) -> str:
+        if self._handle is None:
+            raise ValueError("Handle not present")
         dummy_err, data = win32file.ReadFile(self._handle, bufsize)
         return data
 
@@ -169,6 +175,8 @@ class NpipeSocket:
 
     @check_closed
     def recv_into(self, buf: Buffer, nbytes: int = 0) -> int:
+        if self._handle is None:
+            raise ValueError("Handle not present")
         readbuf = buf if isinstance(buf, memoryview) else memoryview(buf)
 
         event = win32event.CreateEvent(None, True, True, None)
@@ -188,6 +196,8 @@ class NpipeSocket:
 
     @check_closed
     def send(self, string: Buffer, flags: int = 0) -> int:
+        if self._handle is None:
+            raise ValueError("Handle not present")
         event = win32event.CreateEvent(None, True, True, None)
         try:
             overlapped = pywintypes.OVERLAPPED()
@@ -210,7 +220,7 @@ class NpipeSocket:
         self.connect(address)
         return self.send(string)
 
-    def setblocking(self, flag: bool):
+    def setblocking(self, flag: bool) -> None:
         if flag:
             return self.settimeout(None)
         return self.settimeout(0)
@@ -228,16 +238,16 @@ class NpipeSocket:
     def gettimeout(self) -> int | float | None:
         return self._timeout
 
-    def setsockopt(self, level, optname, value) -> t.NoReturn:
+    def setsockopt(self, level: t.Any, optname: t.Any, value: t.Any) -> t.NoReturn:
         raise NotImplementedError()
 
     @check_closed
-    def shutdown(self, how) -> None:
+    def shutdown(self, how: t.Any) -> None:
         return self.close()
 
 
 class NpipeFileIOBase(io.RawIOBase):
-    def __init__(self, npipe_socket) -> None:
+    def __init__(self, npipe_socket: NpipeSocket | None) -> None:
         self.sock = npipe_socket
 
     def close(self) -> None:
@@ -245,7 +255,10 @@ class NpipeFileIOBase(io.RawIOBase):
         self.sock = None
 
     def fileno(self) -> int:
-        return self.sock.fileno()
+        if self.sock is None:
+            raise RuntimeError("socket is closed")
+        # TODO: This is definitely a bug, NpipeSocket.fileno() does not exist!
+        return self.sock.fileno()  # type: ignore
 
     def isatty(self) -> bool:
         return False
@@ -254,6 +267,8 @@ class NpipeFileIOBase(io.RawIOBase):
         return True
 
     def readinto(self, buf: Buffer) -> int:
+        if self.sock is None:
+            raise RuntimeError("socket is closed")
         return self.sock.recv_into(buf)
 
     def seekable(self) -> bool:

plugins/module_utils/_api/transport/sshconn.py

@@ -35,7 +35,7 @@ else:
     PARAMIKO_IMPORT_ERROR = None  # pylint: disable=invalid-name
 
 if t.TYPE_CHECKING:
-    from collections.abc import Buffer
+    from collections.abc import Buffer, Mapping
 
 
 RecentlyUsedContainer = urllib3._collections.RecentlyUsedContainer
@@ -67,7 +67,7 @@ class SSHSocket(socket.socket):
         preexec_func = None
         if not constants.IS_WINDOWS_PLATFORM:
 
-            def f():
+            def f() -> None:
                 signal.signal(signal.SIGINT, signal.SIG_IGN)
 
             preexec_func = f
@@ -100,13 +100,13 @@ class SSHSocket(socket.socket):
         self.proc.stdin.flush()
         return written
 
-    def sendall(self, data: Buffer, *args, **kwargs) -> None:
+    def sendall(self, data: Buffer, *args: t.Any, **kwargs: t.Any) -> None:
         self._write(data)
 
-    def send(self, data: Buffer, *args, **kwargs) -> int:
+    def send(self, data: Buffer, *args: t.Any, **kwargs: t.Any) -> int:
         return self._write(data)
 
-    def recv(self, n: int, *args, **kwargs) -> bytes:
+    def recv(self, n: int, *args: t.Any, **kwargs: t.Any) -> bytes:
         if not self.proc:
             raise RuntimeError(
                 "SSH subprocess not initiated. connect() must be called first."
@@ -114,7 +114,7 @@ class SSHSocket(socket.socket):
         assert self.proc.stdout is not None
         return self.proc.stdout.read(n)
 
-    def makefile(self, mode: str, *args, **kwargs) -> t.IO:  # type: ignore
+    def makefile(self, mode: str, *args: t.Any, **kwargs: t.Any) -> t.IO:  # type: ignore
         if not self.proc:
             self.connect()
             assert self.proc is not None
@@ -138,7 +138,7 @@ class SSHConnection(urllib3_connection.HTTPConnection):
     def __init__(
         self,
         *,
-        ssh_transport=None,
+        ssh_transport: paramiko.Transport | None = None,
         timeout: int | float = 60,
         host: str,
     ) -> None:
@@ -146,18 +146,19 @@ class SSHConnection(urllib3_connection.HTTPConnection):
         self.ssh_transport = ssh_transport
         self.timeout = timeout
         self.ssh_host = host
+        self.sock: paramiko.Channel | SSHSocket | None = None
 
     def connect(self) -> None:
         if self.ssh_transport:
-            sock = self.ssh_transport.open_session()
-            sock.settimeout(self.timeout)
-            sock.exec_command("docker system dial-stdio")
+            channel = self.ssh_transport.open_session()
+            channel.settimeout(self.timeout)
+            channel.exec_command("docker system dial-stdio")
+            self.sock = channel
         else:
             sock = SSHSocket(self.ssh_host)
             sock.settimeout(self.timeout)
             sock.connect()
-
-        self.sock = sock
+            self.sock = sock
 
 
 class SSHConnectionPool(urllib3.connectionpool.HTTPConnectionPool):
@@ -172,7 +173,7 @@ class SSHConnectionPool(urllib3.connectionpool.HTTPConnectionPool):
         host: str,
     ) -> None:
         super().__init__("localhost", timeout=timeout, maxsize=maxsize)
-        self.ssh_transport = None
+        self.ssh_transport: paramiko.Transport | None = None
         self.timeout = timeout
         if ssh_client:
             self.ssh_transport = ssh_client.get_transport()
@@ -276,7 +277,9 @@ class SSHHTTPAdapter(BaseHTTPAdapter):
         if self.ssh_client:
             self.ssh_client.connect(**self.ssh_params)
 
-    def get_connection(self, url: str | bytes, proxies=None) -> SSHConnectionPool:
+    def get_connection(
+        self, url: str | bytes, proxies: Mapping[str, str] | None = None
+    ) -> SSHConnectionPool:
         if not self.ssh_client:
             return SSHConnectionPool(
                 ssh_client=self.ssh_client,

plugins/module_utils/_api/transport/ssladapter.py

@@ -33,7 +33,7 @@ class SSLHTTPAdapter(BaseHTTPAdapter):
     def __init__(
         self,
         assert_hostname: bool | None = None,
-        **kwargs,
+        **kwargs: t.Any,
     ) -> None:
         self.assert_hostname = assert_hostname
         super().__init__(**kwargs)
@@ -51,7 +51,7 @@ class SSLHTTPAdapter(BaseHTTPAdapter):
 
         self.poolmanager = PoolManager(**kwargs)
 
-    def get_connection(self, *args, **kwargs) -> urllib3.ConnectionPool:
+    def get_connection(self, *args: t.Any, **kwargs: t.Any) -> urllib3.ConnectionPool:
         """
         Ensure assert_hostname is set correctly on our pool
 

plugins/module_utils/_api/transport/unixconn.py

@@ -19,12 +19,20 @@ from .._import_helper import HTTPAdapter, urllib3, urllib3_connection
 from .basehttpadapter import BaseHTTPAdapter
 
 
+if t.TYPE_CHECKING:
+    from collections.abc import Mapping
+
+    from requests import PreparedRequest
+
+    from ..._socket_helper import SocketLike
+
+
 RecentlyUsedContainer = urllib3._collections.RecentlyUsedContainer
 
 
 class UnixHTTPConnection(urllib3_connection.HTTPConnection):
     def __init__(
-        self, base_url: str | bytes, unix_socket, timeout: int | float = 60
+        self, base_url: str | bytes, unix_socket: str, timeout: int | float = 60
     ) -> None:
         super().__init__("localhost", timeout=timeout)
         self.base_url = base_url
@@ -43,7 +51,7 @@ class UnixHTTPConnection(urllib3_connection.HTTPConnection):
         if header == "Connection" and "Upgrade" in values:
             self.disable_buffering = True
 
-    def response_class(self, sock, *args, **kwargs) -> t.Any:
+    def response_class(self, sock: SocketLike, *args: t.Any, **kwargs: t.Any) -> t.Any:
         # FIXME: We may need to disable buffering on Py3,
         # but there's no clear way to do it at the moment. See:
         # https://github.com/docker/docker-py/issues/1799
@@ -88,12 +96,16 @@ class UnixHTTPAdapter(BaseHTTPAdapter):
         self.socket_path = socket_path
         self.timeout = timeout
         self.max_pool_size = max_pool_size
-        self.pools = RecentlyUsedContainer(
-            pool_connections, dispose_func=lambda p: p.close()
-        )
+
+        def f(p: t.Any) -> None:
+            p.close()
+
+        self.pools = RecentlyUsedContainer(pool_connections, dispose_func=f)
         super().__init__()
 
-    def get_connection(self, url: str | bytes, proxies=None) -> UnixHTTPConnectionPool:
+    def get_connection(
+        self, url: str | bytes, proxies: Mapping[str, str] | None = None
+    ) -> UnixHTTPConnectionPool:
         with self.pools.lock:
             pool = self.pools.get(url)
             if pool:
@@ -106,7 +118,7 @@ class UnixHTTPAdapter(BaseHTTPAdapter):
 
         return pool
 
-    def request_url(self, request, proxies) -> str:
+    def request_url(self, request: PreparedRequest, proxies: Mapping[str, str]) -> str:
         # The select_proxy utility in requests errors out when the provided URL
         # does not have a hostname, like is the case when using a UNIX socket.
         # Since proxies are an irrelevant notion in the case of UNIX sockets

plugins/module_utils/_api/types/daemon.py

@@ -18,7 +18,13 @@ from .._import_helper import urllib3
 from ..errors import DockerException
 
 
-class CancellableStream:
+if t.TYPE_CHECKING:
+    from requests import Response
+
+_T = t.TypeVar("_T")
+
+
+class CancellableStream(t.Generic[_T]):
     """
     Stream wrapper for real-time events, logs, etc. from the server.
 
@@ -30,14 +36,14 @@ class CancellableStream:
         >>> events.close()
     """
 
-    def __init__(self, stream, response) -> None:
+    def __init__(self, stream: t.Generator[_T], response: Response) -> None:
         self._stream = stream
         self._response = response
 
     def __iter__(self) -> t.Self:
         return self
 
-    def __next__(self):
+    def __next__(self) -> _T:
         try:
             return next(self._stream)
         except urllib3.exceptions.ProtocolError as exc:
@@ -56,7 +62,7 @@ class CancellableStream:
             # find the underlying socket object
             # based on api.client._get_raw_response_socket
 
-            sock_fp = self._response.raw._fp.fp
+            sock_fp = self._response.raw._fp.fp  # type: ignore
 
             if hasattr(sock_fp, "raw"):
                 sock_raw = sock_fp.raw
@@ -74,7 +80,7 @@ class CancellableStream:
                     "Cancellable streams not supported for the SSH protocol"
                 )
             else:
-                sock = sock_fp._sock
+                sock = sock_fp._sock  # type: ignore
 
             if hasattr(urllib3.contrib, "pyopenssl") and isinstance(
                 sock, urllib3.contrib.pyopenssl.WrappedSocket

plugins/module_utils/_api/utils/fnmatch.py

@@ -37,7 +37,7 @@ def _purge() -> None:
     _cache.clear()
 
 
-def fnmatch(name: str, pat: str):
+def fnmatch(name: str, pat: str) -> bool:
     """Test whether FILENAME matches PATTERN.
 
     Patterns are Unix shell style:

plugins/module_utils/_api/utils/ports.py

@@ -108,7 +108,7 @@ def port_range(
 
 
 def split_port(
-    port: str,
+    port: str | int,
 ) -> tuple[list[str], list[str] | list[tuple[str, str | None]] | None]:
     port = str(port)
     match = PORT_SPEC.match(port)

plugins/module_utils/_api/utils/proxy.py

@@ -11,6 +11,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 from .utils import format_environment
 
 
@@ -67,7 +69,17 @@ class ProxyConfig(dict):
             env["no_proxy"] = env["NO_PROXY"] = self.no_proxy
         return env
 
-    def inject_proxy_environment(self, environment: list[str]) -> list[str]:
+    @t.overload
+    def inject_proxy_environment(self, environment: list[str]) -> list[str]: ...
+
+    @t.overload
+    def inject_proxy_environment(
+        self, environment: list[str] | None
+    ) -> list[str] | None: ...
+
+    def inject_proxy_environment(
+        self, environment: list[str] | None
+    ) -> list[str] | None:
         """
         Given a list of strings representing environment variables, prepend the
         environment variables corresponding to the proxy settings.

plugins/module_utils/_api/utils/socket.py

@@ -22,7 +22,9 @@ from ..transport.npipesocket import NpipeSocket
 
 
 if t.TYPE_CHECKING:
-    from collections.abc import Iterable
+    from collections.abc import Iterable, Sequence
+
+    from ..._socket_helper import SocketLike
 
 
 STDOUT = 1
@@ -38,14 +40,14 @@ class SocketError(Exception):
 NPIPE_ENDED = 109
 
 
-def read(socket, n: int = 4096) -> bytes | None:
+def read(socket: SocketLike, n: int = 4096) -> bytes | None:
     """
     Reads at most n bytes from socket
     """
 
     recoverable_errors = (errno.EINTR, errno.EDEADLK, errno.EWOULDBLOCK)
 
-    if not isinstance(socket, NpipeSocket):
+    if not isinstance(socket, NpipeSocket):  # type: ignore[unreachable]
         if not hasattr(select, "poll"):
             # Limited to 1024
             select.select([socket], [], [])
@@ -66,7 +68,7 @@ def read(socket, n: int = 4096) -> bytes | None:
         return None  # TODO ???
     except Exception as e:
         is_pipe_ended = (
-            isinstance(socket, NpipeSocket)
+            isinstance(socket, NpipeSocket)  # type: ignore[unreachable]
             and len(e.args) > 0
             and e.args[0] == NPIPE_ENDED
         )
@@ -77,7 +79,7 @@ def read(socket, n: int = 4096) -> bytes | None:
         raise
 
 
-def read_exactly(socket, n: int) -> bytes:
+def read_exactly(socket: SocketLike, n: int) -> bytes:
     """
     Reads exactly n bytes from socket
     Raises SocketError if there is not enough data
@@ -91,7 +93,7 @@ def read_exactly(socket, n: int) -> bytes:
     return data
 
 
-def next_frame_header(socket) -> tuple[int, int]:
+def next_frame_header(socket: SocketLike) -> tuple[int, int]:
     """
     Returns the stream and size of the next frame of data waiting to be read
     from socket, according to the protocol defined here:
@@ -107,7 +109,7 @@ def next_frame_header(socket) -> tuple[int, int]:
     return (stream, actual)
 
 
-def frames_iter(socket, tty: bool) -> t.Generator[tuple[int, bytes]]:
+def frames_iter(socket: SocketLike, tty: bool) -> t.Generator[tuple[int, bytes]]:
     """
     Return a generator of frames read from socket. A frame is a tuple where
     the first item is the stream number and the second item is a chunk of data.
@@ -120,7 +122,7 @@ def frames_iter(socket, tty: bool) -> t.Generator[tuple[int, bytes]]:
     return frames_iter_no_tty(socket)
 
 
-def frames_iter_no_tty(socket) -> t.Generator[tuple[int, bytes]]:
+def frames_iter_no_tty(socket: SocketLike) -> t.Generator[tuple[int, bytes]]:
     """
     Returns a generator of data read from the socket when the tty setting is
     not enabled.
@@ -141,7 +143,7 @@ def frames_iter_no_tty(socket) -> t.Generator[tuple[int, bytes]]:
             yield (stream, result)
 
 
-def frames_iter_tty(socket) -> t.Generator[bytes]:
+def frames_iter_tty(socket: SocketLike) -> t.Generator[bytes]:
     """
     Return a generator of data read from the socket when the tty setting is
     enabled.
@@ -155,20 +157,42 @@ def frames_iter_tty(socket) -> t.Generator[bytes]:
 
 
 @t.overload
-def consume_socket_output(frames, demux: t.Literal[False] = False) -> bytes: ...
-
-
-@t.overload
-def consume_socket_output(frames, demux: t.Literal[True]) -> tuple[bytes, bytes]: ...
+def consume_socket_output(
+    frames: Sequence[bytes] | t.Generator[bytes], demux: t.Literal[False] = False
+) -> bytes: ...
 
 
 @t.overload
 def consume_socket_output(
-    frames, demux: bool = False
+    frames: (
+        Sequence[tuple[bytes | None, bytes | None]]
+        | t.Generator[tuple[bytes | None, bytes | None]]
+    ),
+    demux: t.Literal[True],
+) -> tuple[bytes, bytes]: ...
+
+
+@t.overload
+def consume_socket_output(
+    frames: (
+        Sequence[bytes]
+        | Sequence[tuple[bytes | None, bytes | None]]
+        | t.Generator[bytes]
+        | t.Generator[tuple[bytes | None, bytes | None]]
+    ),
+    demux: bool = False,
 ) -> bytes | tuple[bytes, bytes]: ...
 
 
-def consume_socket_output(frames, demux: bool = False) -> bytes | tuple[bytes, bytes]:
+def consume_socket_output(
+    frames: (
+        Sequence[bytes]
+        | Sequence[tuple[bytes | None, bytes | None]]
+        | t.Generator[bytes]
+        | t.Generator[tuple[bytes | None, bytes | None]]
+    ),
+    demux: bool = False,
+) -> bytes | tuple[bytes, bytes]:
     """
     Iterate through frames read from the socket and return the result.
 
@@ -183,12 +207,13 @@ def consume_socket_output(frames, demux: bool = False) -> bytes | tuple[bytes, b
     if demux is False:
         # If the streams are multiplexed, the generator returns strings, that
         # we just need to concatenate.
-        return b"".join(frames)
+        return b"".join(frames)  # type: ignore
 
     # If the streams are demultiplexed, the generator yields tuples
     # (stdout, stderr)
     out: list[bytes | None] = [None, None]
-    for frame in frames:
+    frame: tuple[bytes | None, bytes | None]
+    for frame in frames:  # type: ignore
         # It is guaranteed that for each frame, one and only one stream
         # is not None.
         if frame == (None, None):
@@ -202,7 +227,7 @@ def consume_socket_output(frames, demux: bool = False) -> bytes | tuple[bytes, b
             if out[1] is None:
                 out[1] = frame[1]
             else:
-                out[1] += frame[1]
+                out[1] += frame[1]  # type: ignore[operator]
     return tuple(out)  # type: ignore
 
 

plugins/module_utils/_api/utils/utils.py

@@ -46,7 +46,7 @@ URLComponents = collections.namedtuple(
 )
 
 
-def decode_json_header(header: str) -> dict[str, t.Any]:
+def decode_json_header(header: str | bytes) -> dict[str, t.Any]:
     data = base64.b64decode(header).decode("utf-8")
     return json.loads(data)
 
@@ -143,7 +143,12 @@ def convert_port_bindings(
 
 
 def convert_volume_binds(
-    binds: list[str] | Mapping[str | bytes, dict[str, str | bytes] | bytes | str | int],
+    binds: (
+        list[str]
+        | Mapping[
+            str | bytes, dict[str, str | bytes] | dict[str, str] | bytes | str | int
+        ]
+    ),
 ) -> list[str]:
     if isinstance(binds, list):
         return binds  # type: ignore
@@ -403,7 +408,9 @@ def kwargs_from_env(
     return params
 
 
-def convert_filters(filters: Mapping[str, bool | str | list[str]]) -> str:
+def convert_filters(
+    filters: Mapping[str, bool | str | int | list[int] | list[str] | list[str | int]],
+) -> str:
     result = {}
     for k, v in filters.items():
         if isinstance(v, bool):
@@ -495,8 +502,8 @@ def split_command(command: str) -> list[str]:
     return shlex.split(command)
 
 
-def format_environment(environment: Mapping[str, str | bytes]) -> list[str]:
-    def format_env(key, value):
+def format_environment(environment: Mapping[str, str | bytes | None]) -> list[str]:
+    def format_env(key: str, value: str | bytes | None) -> str:
         if value is None:
             return key
         if isinstance(value, bytes):

plugins/module_utils/_common.py

@@ -91,7 +91,7 @@ if not HAS_DOCKER_PY:
     # No Docker SDK for Python. Create a place holder client to allow
     # instantiation of AnsibleModule and proper error handing
     class Client:  # type: ignore # noqa: F811, pylint: disable=function-redefined
-        def __init__(self, **kwargs):
+        def __init__(self, **kwargs: t.Any) -> None:
             pass
 
     class APIError(Exception):  # type: ignore # noqa: F811, pylint: disable=function-redefined
@@ -226,7 +226,7 @@ class AnsibleDockerClientBase(Client):
                 f"Docker API version is {self.docker_api_version_str}. Minimum version required is {min_docker_api_version}."
             )
 
-    def log(self, msg: t.Any, pretty_print: bool = False):
+    def log(self, msg: t.Any, pretty_print: bool = False) -> None:
         pass
         # if self.debug:
         #     from .util import log_debug
@@ -609,7 +609,7 @@ class AnsibleDockerClientBase(Client):
 
         return new_tag, old_tag == new_tag
 
-    def inspect_distribution(self, image: str, **kwargs) -> dict[str, t.Any]:
+    def inspect_distribution(self, image: str, **kwargs: t.Any) -> dict[str, t.Any]:
         """
         Get image digest by directly calling the Docker API when running Docker SDK < 4.0.0
         since prior versions did not support accessing private repositories.
@@ -629,7 +629,6 @@ class AnsibleDockerClientBase(Client):
 
 
 class AnsibleDockerClient(AnsibleDockerClientBase):
-
     def __init__(
         self,
         argument_spec: dict[str, t.Any] | None = None,
@@ -651,7 +650,6 @@ class AnsibleDockerClient(AnsibleDockerClientBase):
         option_minimal_versions_ignore_params: Sequence[str] | None = None,
         fail_results: dict[str, t.Any] | None = None,
     ):
-
         # Modules can put information in here which will always be returned
         # in case client.fail() is called.
         self.fail_results = fail_results or {}

plugins/module_utils/_common_api.py

@@ -146,7 +146,7 @@ class AnsibleDockerClientBase(Client):
                 f"Docker API version is {self.docker_api_version_str}. Minimum version required is {min_docker_api_version}."
             )
 
-    def log(self, msg: t.Any, pretty_print: bool = False):
+    def log(self, msg: t.Any, pretty_print: bool = False) -> None:
         pass
         # if self.debug:
         #     from .util import log_debug
@@ -295,7 +295,7 @@ class AnsibleDockerClientBase(Client):
             ),
         }
 
-        def depr(*args, **kwargs):
+        def depr(*args: t.Any, **kwargs: t.Any) -> None:
             self.deprecate(*args, **kwargs)
 
         update_tls_hostname(

plugins/module_utils/_common_cli.py

@@ -82,7 +82,7 @@ class AnsibleDockerClientBase:
 
     def __init__(
         self,
-        common_args,
+        common_args: dict[str, t.Any],
         min_docker_api_version: str | None = None,
         needs_api_version: bool = True,
     ) -> None:
@@ -91,15 +91,15 @@ class AnsibleDockerClientBase:
             self._environment["DOCKER_TLS_HOSTNAME"] = common_args["tls_hostname"]
         if common_args["api_version"] and common_args["api_version"] != "auto":
             self._environment["DOCKER_API_VERSION"] = common_args["api_version"]
-        self._cli = common_args.get("docker_cli")
-        if self._cli is None:
+        cli = common_args.get("docker_cli")
+        if cli is None:
             try:
-                self._cli = get_bin_path("docker")
+                cli = get_bin_path("docker")
             except ValueError:
                 self.fail(
                     "Cannot find docker CLI in path. Please provide it explicitly with the docker_cli parameter"
                 )
-
+        self._cli = cli
         self._cli_base = [self._cli]
         docker_host = common_args["docker_host"]
         if not docker_host and not common_args["cli_context"]:
@@ -149,7 +149,7 @@ class AnsibleDockerClientBase:
                     "Internal error: cannot have needs_api_version=False with min_docker_api_version not None"
                 )
 
-    def log(self, msg: str, pretty_print: bool = False):
+    def log(self, msg: str, pretty_print: bool = False) -> None:
         pass
         # if self.debug:
         #     from .util import log_debug
@@ -227,7 +227,7 @@ class AnsibleDockerClientBase:
         return rc, result, stderr
 
     @abc.abstractmethod
-    def fail(self, msg: str, **kwargs) -> t.NoReturn:
+    def fail(self, msg: str, **kwargs: t.Any) -> t.NoReturn:
         pass
 
     @abc.abstractmethod
@@ -395,7 +395,6 @@ class AnsibleModuleDockerClient(AnsibleDockerClientBase):
         fail_results: dict[str, t.Any] | None = None,
         needs_api_version: bool = True,
     ) -> None:
-
         # Modules can put information in here which will always be returned
         # in case client.fail() is called.
         self.fail_results = fail_results or {}
@@ -463,7 +462,7 @@ class AnsibleModuleDockerClient(AnsibleDockerClientBase):
         )
         return rc, stdout, stderr
 
-    def fail(self, msg: str, **kwargs) -> t.NoReturn:
+    def fail(self, msg: str, **kwargs: t.Any) -> t.NoReturn:
         self.fail_results.update(kwargs)
         self.module.fail_json(msg=msg, **sanitize_result(self.fail_results))
 

plugins/module_utils/_compose_v2.py

@@ -971,7 +971,7 @@ class BaseComposeManager(DockerBaseClass):
         stderr: str | bytes,
         ignore_service_pull_events: bool = False,
         ignore_build_events: bool = False,
-    ):
+    ) -> None:
         result["changed"] = result.get("changed", False) or has_changes(
             events,
             ignore_service_pull_events=ignore_service_pull_events,
@@ -989,7 +989,7 @@ class BaseComposeManager(DockerBaseClass):
         stdout: str | bytes,
         stderr: bytes,
         rc: int,
-    ):
+    ) -> bool:
         return update_failed(
             result,
             events,

plugins/module_utils/_copy.py

@@ -330,6 +330,8 @@ def stat_file(
         client._raise_for_status(response)
         header = response.headers.get("x-docker-container-path-stat")
         try:
+            if header is None:
+                raise ValueError("x-docker-container-path-stat header not present")
             stat_data = json.loads(base64.b64decode(header))
         except Exception as exc:
             raise DockerUnexpectedError(
@@ -482,14 +484,14 @@ def fetch_file(
                     shutil.copyfileobj(in_f, out_f)
         return in_path
 
-    def process_symlink(in_path, member) -> str:
+    def process_symlink(in_path: str, member: tarfile.TarInfo) -> str:
         if os.path.exists(b_out_path):
             os.unlink(b_out_path)
 
         os.symlink(member.linkname, b_out_path)
         return in_path
 
-    def process_other(in_path, member) -> str:
+    def process_other(in_path: str, member: tarfile.TarInfo) -> str:
         raise DockerFileCopyError(
             f'Remote file "{in_path}" is not a regular file or a symbolic link'
         )

plugins/module_utils/_module_container/base.py

@@ -193,7 +193,9 @@ class OptionGroup:
     ) -> None:
         if preprocess is None:
 
-            def preprocess(module, values):
+            def preprocess(
+                module: AnsibleModule, values: dict[str, t.Any]
+            ) -> dict[str, t.Any]:
                 return values
 
         self.preprocess = preprocess
@@ -207,8 +209,8 @@ class OptionGroup:
         self.ansible_required_by = ansible_required_by or {}
         self.argument_spec: dict[str, t.Any] = {}
 
-    def add_option(self, *args, **kwargs) -> OptionGroup:
-        option = Option(*args, owner=self, **kwargs)
+    def add_option(self, name: str, **kwargs: t.Any) -> OptionGroup:
+        option = Option(name, owner=self, **kwargs)
         if not option.not_a_container_option:
             self.options.append(option)
         self.all_options.append(option)
@@ -788,7 +790,7 @@ def _preprocess_mounts(
 ) -> dict[str, t.Any]:
     last: dict[str, str] = {}
 
-    def check_collision(t, name):
+    def check_collision(t: str, name: str) -> None:
         if t in last:
             if name == last[t]:
                 module.fail_json(
@@ -1069,7 +1071,9 @@ def _preprocess_ports(
     return values
 
 
-def _compare_platform(option: Option, param_value: t.Any, container_value: t.Any):
+def _compare_platform(
+    option: Option, param_value: t.Any, container_value: t.Any
+) -> bool:
     if option.comparison == "ignore":
         return True
     try:

plugins/module_utils/_module_container/docker_api.py

@@ -872,7 +872,7 @@ class DockerAPIEngine(Engine[AnsibleDockerClient]):
                 image: dict[str, t.Any] | None,
                 values: dict[str, t.Any],
                 host_info: dict[str, t.Any] | None,
-            ):
+            ) -> dict[str, t.Any]:
                 if len(options) != 1:
                     raise AssertionError(
                         "host_config_value can only be used for a single option"
@@ -1961,7 +1961,14 @@ def _update_value_restart(
     }
 
 
-def _get_values_ports(module, container, api_version, options, image, host_info):
+def _get_values_ports(
+    module: AnsibleModule,
+    container: dict[str, t.Any],
+    api_version: LooseVersion,
+    options: list[Option],
+    image: dict[str, t.Any] | None,
+    host_info: dict[str, t.Any] | None,
+) -> dict[str, t.Any]:
     host_config = container["HostConfig"]
     config = container["Config"]
 

plugins/module_utils/_module_container/module.py

@@ -292,7 +292,7 @@ class ContainerManager(DockerBaseClass, t.Generic[Client]):
                 if self.module.params[param] is None:
                     self.module.params[param] = value
 
-    def fail(self, *args, **kwargs) -> t.NoReturn:
+    def fail(self, *args: str, **kwargs: t.Any) -> t.NoReturn:
         # mypy doesn't know that Client has fail() method
         raise self.client.fail(*args, **kwargs)  # type: ignore
 
@@ -714,7 +714,7 @@ class ContainerManager(DockerBaseClass, t.Generic[Client]):
         container_image: dict[str, t.Any] | None,
         image: dict[str, t.Any] | None,
         host_info: dict[str, t.Any] | None,
-    ):
+    ) -> None:
         assert container.raw is not None
         container_values = engine.get_value(
             self.module,
@@ -767,12 +767,12 @@ class ContainerManager(DockerBaseClass, t.Generic[Client]):
                         # Since the order does not matter, sort so that the diff output is better.
                         if option.name == "expected_mounts":
                             # For selected values, use one entry as key
-                            def sort_key_fn(x):
+                            def sort_key_fn(x: dict[str, t.Any]) -> t.Any:
                                 return x["target"]
 
                         else:
                             # We sort the list of dictionaries by using the sorted items of a dict as its key.
-                            def sort_key_fn(x):
+                            def sort_key_fn(x: dict[str, t.Any]) -> t.Any:
                                 return sorted(
                                     (a, to_text(b, errors="surrogate_or_strict"))
                                     for a, b in x.items()

plugins/module_utils/_socket_handler.py

@@ -26,6 +26,7 @@ from ansible_collections.community.docker.plugins.module_utils._socket_helper im
 
 if t.TYPE_CHECKING:
     from collections.abc import Callable
+    from types import TracebackType
 
     from ansible.module_utils.basic import AnsibleModule
 
@@ -70,7 +71,12 @@ class DockerSocketHandlerBase:
     def __enter__(self) -> t.Self:
         return self
 
-    def __exit__(self, type_, value, tb) -> None:
+    def __exit__(
+        self,
+        type_: t.Type[BaseException] | None,
+        value: BaseException | None,
+        tb: TracebackType | None,
+    ) -> None:
         self._selector.close()
 
     def set_block_done_callback(
@@ -210,7 +216,7 @@ class DockerSocketHandlerBase:
         stdout = []
         stderr = []
 
-        def append_block(stream_id, data):
+        def append_block(stream_id: int, data: bytes) -> None:
             if stream_id == docker_socket.STDOUT:
                 stdout.append(data)
             elif stream_id == docker_socket.STDERR:

plugins/module_utils/_swarm.py

@@ -28,7 +28,6 @@ from ansible_collections.community.docker.plugins.module_utils._version import (
 
 
 class AnsibleDockerSwarmClient(AnsibleDockerClient):
-
     def get_swarm_node_id(self) -> str | None:
         """
         Get the 'NodeID' of the Swarm node or 'None' if host is not in Swarm. It returns the NodeID
@@ -281,7 +280,7 @@ class AnsibleDockerSwarmClient(AnsibleDockerClient):
     def get_node_name_by_id(self, nodeid: str) -> str:
         return self.get_node_inspect(nodeid)["Description"]["Hostname"]
 
-    def get_unlock_key(self) -> str | None:
+    def get_unlock_key(self) -> dict[str, t.Any] | None:
         if self.docker_py_version < LooseVersion("2.7.0"):
             return None
         return super().get_unlock_key()

plugins/module_utils/_util.py

@@ -23,6 +23,12 @@ if t.TYPE_CHECKING:
 
     from ansible.module_utils.basic import AnsibleModule
 
+    from ._common import AnsibleDockerClientBase as CADCB
+    from ._common_api import AnsibleDockerClientBase as CAPIADCB
+    from ._common_cli import AnsibleDockerClientBase as CCLIADCB
+
+    Client = t.Union[CADCB, CAPIADCB, CCLIADCB]
+
 
 DEFAULT_DOCKER_HOST = "unix:///var/run/docker.sock"
 DEFAULT_TLS = False
@@ -119,7 +125,7 @@ def sanitize_result(data: t.Any) -> t.Any:
     return data
 
 
-def log_debug(msg: t.Any, pretty_print: bool = False):
+def log_debug(msg: t.Any, pretty_print: bool = False) -> None:
     """Write a log message to docker.log.
 
     If ``pretty_print=True``, the message will be pretty-printed as JSON.
@@ -325,7 +331,7 @@ class DifferenceTracker:
 def sanitize_labels(
     labels: dict[str, t.Any] | None,
     labels_field: str,
-    client=None,
+    client: Client | None = None,
     module: AnsibleModule | None = None,
 ) -> None:
     def fail(msg: str) -> t.NoReturn:
@@ -371,7 +377,7 @@ def clean_dict_booleans_for_docker_api(
     which is the expected format of filters which accept lists such as labels.
     """
 
-    def sanitize(value):
+    def sanitize(value: t.Any) -> str:
         if value is True:
             return "true"
         if value is False:

plugins/modules/docker_compose_v2_pull.py

@@ -147,7 +147,7 @@ class PullManager(BaseComposeManager):
                 f"--ignore-buildable is only supported since Docker Compose 2.15.0. {self.client.get_cli()} has version {self.compose_version}"
             )
 
-    def get_pull_cmd(self, dry_run: bool):
+    def get_pull_cmd(self, dry_run: bool) -> list[str]:
         args = self.get_base_args() + ["pull"]
         if self.policy != "always":
             args.extend(["--policy", self.policy])

plugins/modules/docker_config.py

@@ -198,6 +198,7 @@ config_name:
 import base64
 import hashlib
 import traceback
+import typing as t
 
 
 try:
@@ -220,9 +221,7 @@ from ansible_collections.community.docker.plugins.module_utils._util import (
 
 
 class ConfigManager(DockerBaseClass):
-
-    def __init__(self, client, results):
-
+    def __init__(self, client: AnsibleDockerClient, results: dict[str, t.Any]) -> None:
         super().__init__()
 
         self.client = client
@@ -253,10 +252,10 @@ class ConfigManager(DockerBaseClass):
 
         if self.rolling_versions:
             self.version = 0
-        self.data_key = None
-        self.configs = []
+        self.data_key: str | None = None
+        self.configs: list[dict[str, t.Any]] = []
 
-    def __call__(self):
+    def __call__(self) -> None:
         self.get_config()
         if self.state == "present":
             self.data_key = hashlib.sha224(self.data).hexdigest()
@@ -265,7 +264,7 @@ class ConfigManager(DockerBaseClass):
         elif self.state == "absent":
             self.absent()
 
-    def get_version(self, config):
+    def get_version(self, config: dict[str, t.Any]) -> int:
         try:
             return int(
                 config.get("Spec", {}).get("Labels", {}).get("ansible_version", 0)
@@ -273,14 +272,14 @@ class ConfigManager(DockerBaseClass):
         except ValueError:
             return 0
 
-    def remove_old_versions(self):
+    def remove_old_versions(self) -> None:
         if not self.rolling_versions or self.versions_to_keep < 0:
             return
         if not self.check_mode:
             while len(self.configs) > max(self.versions_to_keep, 1):
                 self.remove_config(self.configs.pop(0))
 
-    def get_config(self):
+    def get_config(self) -> None:
         """Find an existing config."""
         try:
             configs = self.client.configs(filters={"name": self.name})
@@ -299,9 +298,9 @@ class ConfigManager(DockerBaseClass):
                 config for config in configs if config["Spec"]["Name"] == self.name
             ]
 
-    def create_config(self):
+    def create_config(self) -> str | None:
         """Create a new config"""
-        config_id = None
+        config_id: str | dict[str, t.Any] | None = None
         # We ca not see the data after creation, so adding a label we can use for idempotency check
         labels = {"ansible_key": self.data_key}
         if self.rolling_versions:
@@ -325,18 +324,18 @@ class ConfigManager(DockerBaseClass):
             self.client.fail(f"Error creating config: {exc}")
 
         if isinstance(config_id, dict):
-            config_id = config_id["ID"]
+            return config_id["ID"]
 
         return config_id
 
-    def remove_config(self, config):
+    def remove_config(self, config: dict[str, t.Any]) -> None:
         try:
             if not self.check_mode:
                 self.client.remove_config(config["ID"])
         except APIError as exc:
             self.client.fail(f"Error removing config {config['Spec']['Name']}: {exc}")
 
-    def present(self):
+    def present(self) -> None:
         """Handles state == 'present', creating or updating the config"""
         if self.configs:
             config = self.configs[-1]
@@ -378,7 +377,7 @@ class ConfigManager(DockerBaseClass):
             self.results["config_id"] = self.create_config()
             self.results["config_name"] = self.name
 
-    def absent(self):
+    def absent(self) -> None:
         """Handles state == 'absent', removing the config"""
         if self.configs:
             for config in self.configs:
@@ -386,7 +385,7 @@ class ConfigManager(DockerBaseClass):
             self.results["changed"] = True
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "name": {"type": "str", "required": True},
         "state": {

plugins/modules/docker_container_copy_into.py

@@ -347,7 +347,7 @@ def retrieve_diff(
     max_file_size_for_diff: int,
     regular_stat: dict[str, t.Any] | None = None,
     link_target: str | None = None,
-):
+) -> None:
     if diff is None:
         return
     if regular_stat is not None:
@@ -497,9 +497,9 @@ def is_file_idempotent(
     container_path: str,
     follow_links: bool,
     local_follow_links: bool,
-    owner_id,
-    group_id,
-    mode,
+    owner_id: int,
+    group_id: int,
+    mode: int | None,
     force: bool | None = False,
     diff: dict[str, t.Any] | None = None,
     max_file_size_for_diff: int = 1,
@@ -744,9 +744,9 @@ def copy_file_into_container(
     container_path: str,
     follow_links: bool,
     local_follow_links: bool,
-    owner_id,
-    group_id,
-    mode,
+    owner_id: int,
+    group_id: int,
+    mode: int | None,
     force: bool | None = False,
     do_diff: bool = False,
     max_file_size_for_diff: int = 1,
@@ -797,9 +797,9 @@ def is_content_idempotent(
     content: bytes,
     container_path: str,
     follow_links: bool,
-    owner_id,
-    group_id,
-    mode,
+    owner_id: int,
+    group_id: int,
+    mode: int,
     force: bool | None = False,
     diff: dict[str, t.Any] | None = None,
     max_file_size_for_diff: int = 1,
@@ -989,9 +989,9 @@ def copy_content_into_container(
     content: bytes,
     container_path: str,
     follow_links: bool,
-    owner_id,
-    group_id,
-    mode,
+    owner_id: int,
+    group_id: int,
+    mode: int,
     force: bool | None = False,
     do_diff: bool = False,
     max_file_size_for_diff: int = 1,
@@ -1133,6 +1133,7 @@ def main() -> None:
             owner_id, group_id = determine_user_group(client, container)
 
         if content is not None:
+            assert mode is not None  # see required_by above
             copy_content_into_container(
                 client,
                 container,

plugins/modules/docker_image.py

@@ -667,7 +667,7 @@ class ImageManager(DockerBaseClass):
         :rtype: str
         """
 
-        def build_msg(reason):
+        def build_msg(reason: str) -> str:
             return f"Archived image {current_image_name} to {archive_path}, {reason}"
 
         try:
@@ -877,7 +877,7 @@ class ImageManager(DockerBaseClass):
             self.push_image(repo, repo_tag)
 
     @staticmethod
-    def _extract_output_line(line: dict[str, t.Any], output: list[str]):
+    def _extract_output_line(line: dict[str, t.Any], output: list[str]) -> None:
         """
         Extract text line from stream output and, if found, adds it to output.
         """
@@ -1165,18 +1165,18 @@ def main() -> None:
         ("source", "load", ["load_path"]),
     ]
 
-    def detect_etc_hosts(client):
+    def detect_etc_hosts(client: AnsibleDockerClient) -> bool:
         return client.module.params["build"] and bool(
             client.module.params["build"].get("etc_hosts")
         )
 
-    def detect_build_platform(client):
+    def detect_build_platform(client: AnsibleDockerClient) -> bool:
         return (
             client.module.params["build"]
             and client.module.params["build"].get("platform") is not None
         )
 
-    def detect_pull_platform(client):
+    def detect_pull_platform(client: AnsibleDockerClient) -> bool:
         return (
             client.module.params["pull"]
             and client.module.params["pull"].get("platform") is not None

plugins/modules/docker_network.py

@@ -379,7 +379,7 @@ def normalize_ipam_config_key(key: str) -> str:
     return special_cases.get(key, key.lower())
 
 
-def dicts_are_essentially_equal(a: dict[str, t.Any], b: dict[str, t.Any]):
+def dicts_are_essentially_equal(a: dict[str, t.Any], b: dict[str, t.Any]) -> bool:
     """Make sure that a is a subset of b, where None entries of a are ignored."""
     for k, v in a.items():
         if v is None:

plugins/modules/docker_node.py

@@ -134,6 +134,7 @@ node:
 """
 
 import traceback
+import typing as t
 
 
 try:
@@ -157,18 +158,19 @@ from ansible_collections.community.docker.plugins.module_utils._util import (
 
 
 class TaskParameters(DockerBaseClass):
-    def __init__(self, client):
+    hostname: str
+
+    def __init__(self, client: AnsibleDockerSwarmClient) -> None:
         super().__init__()
 
         # Spec
-        self.name = None
-        self.labels = None
-        self.labels_state = None
-        self.labels_to_remove = None
+        self.labels: dict[str, t.Any] | None = None
+        self.labels_state: t.Literal["merge", "replace"] = "merge"
+        self.labels_to_remove: list[str] | None = None
 
         # Node
-        self.availability = None
-        self.role = None
+        self.availability: t.Literal["active", "pause", "drain"] | None = None
+        self.role: t.Literal["worker", "manager"] | None = None
 
         for key, value in client.module.params.items():
             setattr(self, key, value)
@@ -177,9 +179,9 @@ class TaskParameters(DockerBaseClass):
 
 
 class SwarmNodeManager(DockerBaseClass):
-
-    def __init__(self, client, results):
-
+    def __init__(
+        self, client: AnsibleDockerSwarmClient, results: dict[str, t.Any]
+    ) -> None:
         super().__init__()
 
         self.client = client
@@ -192,10 +194,9 @@ class SwarmNodeManager(DockerBaseClass):
 
         self.node_update()
 
-    def node_update(self):
+    def node_update(self) -> None:
         if not (self.client.check_if_swarm_node(node_id=self.parameters.hostname)):
             self.client.fail("This node is not part of a swarm.")
-            return
 
         if self.client.check_if_swarm_node_is_down():
             self.client.fail("Can not update the node. The node is down.")
@@ -206,7 +207,7 @@ class SwarmNodeManager(DockerBaseClass):
             self.client.fail(f"Failed to get node information for {exc}")
 
         changed = False
-        node_spec = {
+        node_spec: dict[str, t.Any] = {
             "Availability": self.parameters.availability,
             "Role": self.parameters.role,
             "Labels": self.parameters.labels,
@@ -277,7 +278,7 @@ class SwarmNodeManager(DockerBaseClass):
             self.results["changed"] = changed
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "hostname": {"type": "str", "required": True},
         "labels": {"type": "dict"},

plugins/modules/docker_node_info.py

@@ -87,6 +87,7 @@ nodes:
 """
 
 import traceback
+import typing as t
 
 from ansible_collections.community.docker.plugins.module_utils._common import (
     RequestException,
@@ -103,9 +104,8 @@ except ImportError:
     pass
 
 
-def get_node_facts(client):
-
-    results = []
+def get_node_facts(client: AnsibleDockerSwarmClient) -> list[dict[str, t.Any]]:
+    results: list[dict[str, t.Any]] = []
 
     if client.module.params["self"] is True:
         self_node_id = client.get_swarm_node_id()
@@ -114,8 +114,8 @@ def get_node_facts(client):
         return results
 
     if client.module.params["name"] is None:
-        node_info = client.get_all_nodes_inspect()
-        return node_info
+        node_info_list = client.get_all_nodes_inspect()
+        return node_info_list
 
     nodes = client.module.params["name"]
     if not isinstance(nodes, list):
@@ -130,7 +130,7 @@ def get_node_facts(client):
     return results
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "name": {"type": "list", "elements": "str"},
         "self": {"type": "bool", "default": False},

plugins/modules/docker_plugin.py

@@ -204,12 +204,10 @@ class DockerPluginManager:
         elif state == "disable":
             self.disable()
 
-        if self.diff or self.check_mode or self.parameters.debug:
-            if self.diff:
-                self.diff_result["before"], self.diff_result["after"] = (
-                    self.diff_tracker.get_before_after()
-                )
-            self.diff = self.diff_result
+        if self.diff:
+            self.diff_result["before"], self.diff_result["after"] = (
+                self.diff_tracker.get_before_after()
+            )
 
     def get_existing_plugin(self) -> dict[str, t.Any] | None:
         try:
@@ -409,7 +407,7 @@ class DockerPluginManager:
         result: dict[str, t.Any] = {
             "actions": self.actions,
             "changed": self.changed,
-            "diff": self.diff,
+            "diff": self.diff_result,
             "plugin": plugin_data,
         }
         if (

plugins/modules/docker_secret.py

@@ -190,6 +190,7 @@ secret_name:
 import base64
 import hashlib
 import traceback
+import typing as t
 
 
 try:
@@ -212,9 +213,7 @@ from ansible_collections.community.docker.plugins.module_utils._util import (
 
 
 class SecretManager(DockerBaseClass):
-
-    def __init__(self, client, results):
-
+    def __init__(self, client: AnsibleDockerClient, results: dict[str, t.Any]) -> None:
         super().__init__()
 
         self.client = client
@@ -244,10 +243,10 @@ class SecretManager(DockerBaseClass):
 
         if self.rolling_versions:
             self.version = 0
-        self.data_key = None
-        self.secrets = []
+        self.data_key: str | None = None
+        self.secrets: list[dict[str, t.Any]] = []
 
-    def __call__(self):
+    def __call__(self) -> None:
         self.get_secret()
         if self.state == "present":
             self.data_key = hashlib.sha224(self.data).hexdigest()
@@ -256,7 +255,7 @@ class SecretManager(DockerBaseClass):
         elif self.state == "absent":
             self.absent()
 
-    def get_version(self, secret):
+    def get_version(self, secret: dict[str, t.Any]) -> int:
         try:
             return int(
                 secret.get("Spec", {}).get("Labels", {}).get("ansible_version", 0)
@@ -264,14 +263,14 @@ class SecretManager(DockerBaseClass):
         except ValueError:
             return 0
 
-    def remove_old_versions(self):
+    def remove_old_versions(self) -> None:
         if not self.rolling_versions or self.versions_to_keep < 0:
             return
         if not self.check_mode:
             while len(self.secrets) > max(self.versions_to_keep, 1):
                 self.remove_secret(self.secrets.pop(0))
 
-    def get_secret(self):
+    def get_secret(self) -> None:
         """Find an existing secret."""
         try:
             secrets = self.client.secrets(filters={"name": self.name})
@@ -290,9 +289,9 @@ class SecretManager(DockerBaseClass):
                 secret for secret in secrets if secret["Spec"]["Name"] == self.name
             ]
 
-    def create_secret(self):
+    def create_secret(self) -> str | None:
         """Create a new secret"""
-        secret_id = None
+        secret_id: str | dict[str, t.Any] | None = None
         # We cannot see the data after creation, so adding a label we can use for idempotency check
         labels = {"ansible_key": self.data_key}
         if self.rolling_versions:
@@ -312,18 +311,18 @@ class SecretManager(DockerBaseClass):
             self.client.fail(f"Error creating secret: {exc}")
 
         if isinstance(secret_id, dict):
-            secret_id = secret_id["ID"]
+            return secret_id["ID"]
 
         return secret_id
 
-    def remove_secret(self, secret):
+    def remove_secret(self, secret: dict[str, t.Any]) -> None:
         try:
             if not self.check_mode:
                 self.client.remove_secret(secret["ID"])
         except APIError as exc:
             self.client.fail(f"Error removing secret {secret['Spec']['Name']}: {exc}")
 
-    def present(self):
+    def present(self) -> None:
         """Handles state == 'present', creating or updating the secret"""
         if self.secrets:
             secret = self.secrets[-1]
@@ -357,7 +356,7 @@ class SecretManager(DockerBaseClass):
             self.results["secret_id"] = self.create_secret()
             self.results["secret_name"] = self.name
 
-    def absent(self):
+    def absent(self) -> None:
         """Handles state == 'absent', removing the secret"""
         if self.secrets:
             for secret in self.secrets:
@@ -365,7 +364,7 @@ class SecretManager(DockerBaseClass):
             self.results["changed"] = True
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "name": {"type": "str", "required": True},
         "state": {

plugins/modules/docker_stack.py

@@ -158,6 +158,7 @@ import json
 import os
 import tempfile
 import traceback
+import typing as t
 from time import sleep
 
 from ansible.module_utils.common.text.converters import to_native
@@ -183,7 +184,9 @@ except ImportError:
     HAS_YAML = False
 
 
-def docker_stack_services(client, stack_name):
+def docker_stack_services(
+    client: AnsibleModuleDockerClient, stack_name: str
+) -> list[str]:
     dummy_rc, out, err = client.call_cli(
         "stack", "services", stack_name, "--format", "{{.Name}}"
     )
@@ -192,7 +195,9 @@ def docker_stack_services(client, stack_name):
     return to_native(out).strip().split("\n")
 
 
-def docker_service_inspect(client, service_name):
+def docker_service_inspect(
+    client: AnsibleModuleDockerClient, service_name: str
+) -> dict[str, t.Any] | None:
     rc, out, dummy_err = client.call_cli("service", "inspect", service_name)
     if rc != 0:
         return None
@@ -200,7 +205,9 @@ def docker_service_inspect(client, service_name):
     return ret
 
 
-def docker_stack_deploy(client, stack_name, compose_files):
+def docker_stack_deploy(
+    client: AnsibleModuleDockerClient, stack_name: str, compose_files: list[str]
+) -> tuple[int, str, str]:
     command = ["stack", "deploy"]
     if client.module.params["prune"]:
         command += ["--prune"]
@@ -217,14 +224,21 @@ def docker_stack_deploy(client, stack_name, compose_files):
     return rc, to_native(out), to_native(err)
 
 
-def docker_stack_inspect(client, stack_name):
-    ret = {}
+def docker_stack_inspect(
+    client: AnsibleModuleDockerClient, stack_name: str
+) -> dict[str, dict[str, t.Any] | None]:
+    ret: dict[str, dict[str, t.Any] | None] = {}
     for service_name in docker_stack_services(client, stack_name):
         ret[service_name] = docker_service_inspect(client, service_name)
     return ret
 
 
-def docker_stack_rm(client, stack_name, retries, interval):
+def docker_stack_rm(
+    client: AnsibleModuleDockerClient,
+    stack_name: str,
+    retries: int,
+    interval: int | float,
+) -> tuple[int, str, str]:
     command = ["stack", "rm", stack_name]
     if not client.module.params["detach"]:
         command += ["--detach=false"]
@@ -237,7 +251,7 @@ def docker_stack_rm(client, stack_name, retries, interval):
     return rc, to_native(out), to_native(err)
 
 
-def main():
+def main() -> None:
     client = AnsibleModuleDockerClient(
         argument_spec={
             "name": {"type": "str", "required": True},
@@ -258,10 +272,10 @@ def main():
     )
 
     if not HAS_JSONDIFF:
-        return client.fail("jsondiff is not installed, try 'pip install jsondiff'")
+        client.fail("jsondiff is not installed, try 'pip install jsondiff'")
 
     if not HAS_YAML:
-        return client.fail("yaml is not installed, try 'pip install pyyaml'")
+        client.fail("yaml is not installed, try 'pip install pyyaml'")
 
     try:
         state = client.module.params["state"]

plugins/modules/docker_stack_info.py

@@ -85,16 +85,7 @@ from ansible_collections.community.docker.plugins.module_utils._common_cli impor
 )
 
 
-def docker_stack_list(module):
-    docker_bin = module.get_bin_path("docker", required=True)
-    rc, out, err = module.run_command(
-        [docker_bin, "stack", "ls", "--format={{json .}}"]
-    )
-
-    return rc, out.strip(), err.strip()
-
-
-def main():
+def main() -> None:
     client = AnsibleModuleDockerClient(
         argument_spec={},
         supports_check_mode=True,

plugins/modules/docker_stack_task_info.py

@@ -93,16 +93,7 @@ from ansible_collections.community.docker.plugins.module_utils._common_cli impor
 )
 
 
-def docker_stack_task(module, stack_name):
-    docker_bin = module.get_bin_path("docker", required=True)
-    rc, out, err = module.run_command(
-        [docker_bin, "stack", "ps", stack_name, "--format={{json .}}"]
-    )
-
-    return rc, out.strip(), err.strip()
-
-
-def main():
+def main() -> None:
     client = AnsibleModuleDockerClient(
         argument_spec={"name": {"type": "str", "required": True}},
         supports_check_mode=True,

plugins/modules/docker_swarm.py

@@ -292,6 +292,7 @@ actions:
 
 import json
 import traceback
+import typing as t
 
 
 try:
@@ -314,40 +315,40 @@ from ansible_collections.community.docker.plugins.module_utils._util import (
 
 
 class TaskParameters(DockerBaseClass):
-    def __init__(self):
+    def __init__(self) -> None:
         super().__init__()
 
-        self.advertise_addr = None
-        self.listen_addr = None
-        self.remote_addrs = None
-        self.join_token = None
-        self.data_path_addr = None
-        self.data_path_port = None
+        self.advertise_addr: str | None = None
+        self.listen_addr: str | None = None
+        self.remote_addrs: list[str] | None = None
+        self.join_token: str | None = None
+        self.data_path_addr: str | None = None
+        self.data_path_port: int | None = None
         self.spec = None
 
         # Spec
-        self.snapshot_interval = None
-        self.task_history_retention_limit = None
-        self.keep_old_snapshots = None
-        self.log_entries_for_slow_followers = None
-        self.heartbeat_tick = None
-        self.election_tick = None
-        self.dispatcher_heartbeat_period = None
-        self.node_cert_expiry = None
-        self.name = None
-        self.labels = None
+        self.snapshot_interval: int | None = None
+        self.task_history_retention_limit: int | None = None
+        self.keep_old_snapshots: int | None = None
+        self.log_entries_for_slow_followers: int | None = None
+        self.heartbeat_tick: int | None = None
+        self.election_tick: int | None = None
+        self.dispatcher_heartbeat_period: int | None = None
+        self.node_cert_expiry: int | None = None
+        self.name: str | None = None
+        self.labels: dict[str, t.Any] | None = None
         self.log_driver = None
-        self.signing_ca_cert = None
-        self.signing_ca_key = None
-        self.ca_force_rotate = None
-        self.autolock_managers = None
-        self.rotate_worker_token = None
-        self.rotate_manager_token = None
-        self.default_addr_pool = None
-        self.subnet_size = None
+        self.signing_ca_cert: str | None = None
+        self.signing_ca_key: str | None = None
+        self.ca_force_rotate: int | None = None
+        self.autolock_managers: bool | None = None
+        self.rotate_worker_token: bool | None = None
+        self.rotate_manager_token: bool | None = None
+        self.default_addr_pool: list[str] | None = None
+        self.subnet_size: int | None = None
 
     @staticmethod
-    def from_ansible_params(client):
+    def from_ansible_params(client: AnsibleDockerSwarmClient) -> TaskParameters:
         result = TaskParameters()
         for key, value in client.module.params.items():
             if key in result.__dict__:
@@ -356,7 +357,7 @@ class TaskParameters(DockerBaseClass):
         result.update_parameters(client)
         return result
 
-    def update_from_swarm_info(self, swarm_info):
+    def update_from_swarm_info(self, swarm_info: dict[str, t.Any]) -> None:
         spec = swarm_info["Spec"]
 
         ca_config = spec.get("CAConfig") or {}
@@ -400,7 +401,7 @@ class TaskParameters(DockerBaseClass):
         if "LogDriver" in spec["TaskDefaults"]:
             self.log_driver = spec["TaskDefaults"]["LogDriver"]
 
-    def update_parameters(self, client):
+    def update_parameters(self, client: AnsibleDockerSwarmClient) -> None:
         assign = {
             "snapshot_interval": "snapshot_interval",
             "task_history_retention_limit": "task_history_retention_limit",
@@ -427,7 +428,12 @@ class TaskParameters(DockerBaseClass):
                 params[dest] = value
         self.spec = client.create_swarm_spec(**params)
 
-    def compare_to_active(self, other, client, differences):
+    def compare_to_active(
+        self,
+        other: TaskParameters,
+        client: AnsibleDockerSwarmClient,
+        differences: DifferenceTracker,
+    ) -> DifferenceTracker:
         for k in self.__dict__:
             if k in (
                 "advertise_addr",
@@ -459,26 +465,28 @@ class TaskParameters(DockerBaseClass):
 
 
 class SwarmManager(DockerBaseClass):
-
-    def __init__(self, client, results):
-
+    def __init__(
+        self, client: AnsibleDockerSwarmClient, results: dict[str, t.Any]
+    ) -> None:
         super().__init__()
 
         self.client = client
         self.results = results
         self.check_mode = self.client.check_mode
-        self.swarm_info = {}
+        self.swarm_info: dict[str, t.Any] = {}
 
-        self.state = client.module.params["state"]
-        self.force = client.module.params["force"]
-        self.node_id = client.module.params["node_id"]
+        self.state: t.Literal["present", "join", "absent", "remove"] = (
+            client.module.params["state"]
+        )
+        self.force: bool = client.module.params["force"]
+        self.node_id: str | None = client.module.params["node_id"]
 
         self.differences = DifferenceTracker()
         self.parameters = TaskParameters.from_ansible_params(client)
 
         self.created = False
 
-    def __call__(self):
+    def __call__(self) -> None:
         choice_map = {
             "present": self.init_swarm,
             "join": self.join,
@@ -486,14 +494,14 @@ class SwarmManager(DockerBaseClass):
             "remove": self.remove,
         }
 
-        choice_map.get(self.state)()
+        choice_map[self.state]()
 
         if self.client.module._diff or self.parameters.debug:
             diff = {}
             diff["before"], diff["after"] = self.differences.get_before_after()
             self.results["diff"] = diff
 
-    def inspect_swarm(self):
+    def inspect_swarm(self) -> None:
         try:
             data = self.client.inspect_swarm()
             json_str = json.dumps(data, ensure_ascii=False)
@@ -507,7 +515,7 @@ class SwarmManager(DockerBaseClass):
         except APIError:
             pass
 
-    def get_unlock_key(self):
+    def get_unlock_key(self) -> dict[str, t.Any]:
         default = {"UnlockKey": None}
         if not self.has_swarm_lock_changed():
             return default
@@ -516,18 +524,18 @@ class SwarmManager(DockerBaseClass):
         except APIError:
             return default
 
-    def has_swarm_lock_changed(self):
-        return self.parameters.autolock_managers and (
+    def has_swarm_lock_changed(self) -> bool:
+        return bool(self.parameters.autolock_managers) and (
             self.created or self.differences.has_difference_for("autolock_managers")
         )
 
-    def init_swarm(self):
+    def init_swarm(self) -> None:
         if not self.force and self.client.check_if_swarm_manager():
             self.__update_swarm()
             return
 
         if not self.check_mode:
-            init_arguments = {
+            init_arguments: dict[str, t.Any] = {
                 "advertise_addr": self.parameters.advertise_addr,
                 "listen_addr": self.parameters.listen_addr,
                 "force_new_cluster": self.force,
@@ -562,7 +570,7 @@ class SwarmManager(DockerBaseClass):
             "UnlockKey": self.swarm_info.get("UnlockKey"),
         }
 
-    def __update_swarm(self):
+    def __update_swarm(self) -> None:
         try:
             self.inspect_swarm()
             version = self.swarm_info["Version"]["Index"]
@@ -587,13 +595,12 @@ class SwarmManager(DockerBaseClass):
                 )
         except APIError as exc:
             self.client.fail(f"Can not update a Swarm Cluster: {exc}")
-            return
 
         self.inspect_swarm()
         self.results["actions"].append("Swarm cluster updated")
         self.results["changed"] = True
 
-    def join(self):
+    def join(self) -> None:
         if self.client.check_if_swarm_node():
             self.results["actions"].append("This node is already part of a swarm.")
             return
@@ -614,7 +621,7 @@ class SwarmManager(DockerBaseClass):
         self.differences.add("joined", parameter=True, active=False)
         self.results["changed"] = True
 
-    def leave(self):
+    def leave(self) -> None:
         if not self.client.check_if_swarm_node():
             self.results["actions"].append("This node is not part of a swarm.")
             return
@@ -627,7 +634,7 @@ class SwarmManager(DockerBaseClass):
         self.differences.add("joined", parameter="absent", active="present")
         self.results["changed"] = True
 
-    def remove(self):
+    def remove(self) -> None:
         if not self.client.check_if_swarm_manager():
             self.client.fail("This node is not a manager.")
 
@@ -655,11 +662,12 @@ class SwarmManager(DockerBaseClass):
         self.results["changed"] = True
 
 
-def _detect_remove_operation(client):
+def _detect_remove_operation(client: AnsibleDockerSwarmClient) -> bool:
     return client.module.params["state"] == "remove"
 
 
-def main():
+def main() -> None:
+    # TODO: missing option log_driver?
     argument_spec = {
         "advertise_addr": {"type": "str"},
         "data_path_addr": {"type": "str"},

plugins/modules/docker_swarm_info.py

@@ -186,6 +186,7 @@ tasks:
 """
 
 import traceback
+import typing as t
 
 
 try:
@@ -207,16 +208,20 @@ from ansible_collections.community.docker.plugins.module_utils._util import (
 
 
 class DockerSwarmManager(DockerBaseClass):
-
-    def __init__(self, client, results):
-
+    def __init__(
+        self, client: AnsibleDockerSwarmClient, results: dict[str, t.Any]
+    ) -> None:
         super().__init__()
 
         self.client = client
         self.results = results
         self.verbose_output = self.client.module.params["verbose_output"]
 
-        listed_objects = ["tasks", "services", "nodes"]
+        listed_objects: list[t.Literal["nodes", "tasks", "services"]] = [
+            "tasks",
+            "services",
+            "nodes",
+        ]
 
         self.client.fail_task_if_not_swarm_manager()
 
@@ -235,15 +240,18 @@ class DockerSwarmManager(DockerBaseClass):
         if self.client.module.params["unlock_key"]:
             self.results["swarm_unlock_key"] = self.get_docker_swarm_unlock_key()
 
-    def get_docker_swarm_facts(self):
+    def get_docker_swarm_facts(self) -> dict[str, t.Any]:
         try:
             return self.client.inspect_swarm()
         except APIError as exc:
             self.client.fail(f"Error inspecting docker swarm: {exc}")
 
-    def get_docker_items_list(self, docker_object=None, filters=None):
-        items = None
-        items_list = []
+    def get_docker_items_list(
+        self,
+        docker_object: t.Literal["nodes", "tasks", "services"],
+        filters: dict[str, str],
+    ) -> list[dict[str, t.Any]]:
+        items_list: list[dict[str, t.Any]] = []
 
         try:
             if docker_object == "nodes":
@@ -252,6 +260,8 @@ class DockerSwarmManager(DockerBaseClass):
                 items = self.client.tasks(filters=filters)
             elif docker_object == "services":
                 items = self.client.services(filters=filters)
+            else:
+                raise ValueError(f"Invalid docker_object {docker_object}")
         except APIError as exc:
             self.client.fail(
                 f"Error inspecting docker swarm for object '{docker_object}': {exc}"
@@ -276,7 +286,7 @@ class DockerSwarmManager(DockerBaseClass):
         return items_list
 
     @staticmethod
-    def get_essential_facts_nodes(item):
+    def get_essential_facts_nodes(item: dict[str, t.Any]) -> dict[str, t.Any]:
         object_essentials = {}
 
         object_essentials["ID"] = item.get("ID")
@@ -298,7 +308,7 @@ class DockerSwarmManager(DockerBaseClass):
 
         return object_essentials
 
-    def get_essential_facts_tasks(self, item):
+    def get_essential_facts_tasks(self, item: dict[str, t.Any]) -> dict[str, t.Any]:
         object_essentials = {}
 
         object_essentials["ID"] = item["ID"]
@@ -319,7 +329,7 @@ class DockerSwarmManager(DockerBaseClass):
         return object_essentials
 
     @staticmethod
-    def get_essential_facts_services(item):
+    def get_essential_facts_services(item: dict[str, t.Any]) -> dict[str, t.Any]:
         object_essentials = {}
 
         object_essentials["ID"] = item["ID"]
@@ -343,12 +353,12 @@ class DockerSwarmManager(DockerBaseClass):
 
         return object_essentials
 
-    def get_docker_swarm_unlock_key(self):
+    def get_docker_swarm_unlock_key(self) -> str | None:
         unlock_key = self.client.get_unlock_key() or {}
         return unlock_key.get("UnlockKey") or None
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "nodes": {"type": "bool", "default": False},
         "nodes_filters": {"type": "dict"},

plugins/modules/docker_swarm_service.py

@@ -853,6 +853,7 @@ EXAMPLES = r"""
 import shlex
 import time
 import traceback
+import typing as t
 
 from ansible.module_utils.basic import human_to_bytes
 from ansible.module_utils.common.text.converters import to_text
@@ -891,7 +892,9 @@ except ImportError:
     pass
 
 
-def get_docker_environment(env, env_files):
+def get_docker_environment(
+    env: str | dict[str, t.Any] | list[t.Any] | None, env_files: list[str] | None
+) -> list[str] | None:
     """
     Will return a list of "KEY=VALUE" items. Supplied env variable can
     be either a list or a dictionary.
@@ -899,7 +902,7 @@ def get_docker_environment(env, env_files):
     If environment files are combined with explicit environment variables,
     the explicit environment variables take precedence.
     """
-    env_dict = {}
+    env_dict: dict[str, str] = {}
     if env_files:
         for env_file in env_files:
             parsed_env_file = parse_env_file(env_file)
@@ -936,7 +939,21 @@ def get_docker_environment(env, env_files):
     return sorted(env_list)
 
 
-def get_docker_networks(networks, network_ids):
+@t.overload
+def get_docker_networks(
+    networks: list[str | dict[str, t.Any]], network_ids: dict[str, str]
+) -> list[dict[str, t.Any]]: ...
+
+
+@t.overload
+def get_docker_networks(
+    networks: list[str | dict[str, t.Any]] | None, network_ids: dict[str, str]
+) -> list[dict[str, t.Any]] | None: ...
+
+
+def get_docker_networks(
+    networks: list[str | dict[str, t.Any]] | None, network_ids: dict[str, str]
+) -> list[dict[str, t.Any]] | None:
     """
     Validate a list of network names or a list of network dictionaries.
     Network names will be resolved to ids by using the network_ids mapping.
@@ -945,6 +962,7 @@ def get_docker_networks(networks, network_ids):
         return None
     parsed_networks = []
     for network in networks:
+        parsed_network: dict[str, t.Any]
         if isinstance(network, str):
             parsed_network = {"name": network}
         elif isinstance(network, dict):
@@ -988,7 +1006,7 @@ def get_docker_networks(networks, network_ids):
     return parsed_networks or []
 
 
-def get_nanoseconds_from_raw_option(name, value):
+def get_nanoseconds_from_raw_option(name: str, value: t.Any) -> int | None:
     if value is None:
         return None
     if isinstance(value, int):
@@ -1003,12 +1021,14 @@ def get_nanoseconds_from_raw_option(name, value):
     )
 
 
-def get_value(key, values, default=None):
+def get_value(key: str, values: dict[str, t.Any], default: t.Any = None) -> t.Any:
     value = values.get(key)
     return value if value is not None else default
 
 
-def has_dict_changed(new_dict, old_dict):
+def has_dict_changed(
+    new_dict: dict[str, t.Any] | None, old_dict: dict[str, t.Any] | None
+) -> bool:
     """
     Check if new_dict has differences compared to old_dict while
     ignoring keys in old_dict which are None in new_dict.
@@ -1019,6 +1039,9 @@ def has_dict_changed(new_dict, old_dict):
         return True
     if not old_dict and new_dict:
         return True
+    if old_dict is None:
+        # in this case new_dict is empty, only the type checker didn't notice
+        return False
     defined_options = {
         option: value for option, value in new_dict.items() if value is not None
     }
@@ -1031,12 +1054,17 @@ def has_dict_changed(new_dict, old_dict):
     return False
 
 
-def has_list_changed(new_list, old_list, sort_lists=True, sort_key=None):
+def has_list_changed(
+    new_list: list[t.Any] | None,
+    old_list: list[t.Any] | None,
+    sort_lists: bool = True,
+    sort_key: str | None = None,
+) -> bool:
     """
     Check two lists have differences. Sort lists by default.
     """
 
-    def sort_list(unsorted_list):
+    def sort_list(unsorted_list: list[t.Any]) -> list[t.Any]:
         """
         Sort a given list.
         The list may contain dictionaries, so use the sort key to handle them.
@@ -1093,7 +1121,10 @@ def has_list_changed(new_list, old_list, sort_lists=True, sort_key=None):
     return False
 
 
-def have_networks_changed(new_networks, old_networks):
+def have_networks_changed(
+    new_networks: list[dict[str, t.Any]] | None,
+    old_networks: list[dict[str, t.Any]] | None,
+) -> bool:
     """Special case list checking for networks to sort aliases"""
 
     if new_networks is None:
@@ -1123,68 +1154,72 @@ def have_networks_changed(new_networks, old_networks):
 
 
 class DockerService(DockerBaseClass):
-    def __init__(self, docker_api_version, docker_py_version):
+    def __init__(
+        self, docker_api_version: LooseVersion, docker_py_version: LooseVersion
+    ) -> None:
         super().__init__()
-        self.image = ""
-        self.command = None
-        self.args = None
-        self.endpoint_mode = None
-        self.dns = None
-        self.healthcheck = None
-        self.healthcheck_disabled = None
-        self.hostname = None
-        self.hosts = None
-        self.tty = None
-        self.dns_search = None
-        self.dns_options = None
-        self.env = None
-        self.force_update = None
-        self.groups = None
-        self.log_driver = None
-        self.log_driver_options = None
-        self.labels = None
-        self.container_labels = None
-        self.sysctls = None
-        self.limit_cpu = None
-        self.limit_memory = None
-        self.reserve_cpu = None
-        self.reserve_memory = None
-        self.mode = "replicated"
-        self.user = None
-        self.mounts = None
-        self.configs = None
-        self.secrets = None
-        self.constraints = None
-        self.replicas_max_per_node = None
-        self.networks = None
-        self.stop_grace_period = None
-        self.stop_signal = None
-        self.publish = None
-        self.placement_preferences = None
-        self.replicas = -1
+        self.image: str | None = ""
+        self.command: t.Any = None
+        self.args: list[str] | None = None
+        self.endpoint_mode: t.Literal["vip", "dnsrr"] | None = None
+        self.dns: list[str] | None = None
+        self.healthcheck: dict[str, t.Any] | None = None
+        self.healthcheck_disabled: bool | None = None
+        self.hostname: str | None = None
+        self.hosts: dict[str, t.Any] | None = None
+        self.tty: bool | None = None
+        self.dns_search: list[str] | None = None
+        self.dns_options: list[str] | None = None
+        self.env: t.Any = None
+        self.force_update: int | None = None
+        self.groups: list[str] | None = None
+        self.log_driver: str | None = None
+        self.log_driver_options: dict[str, t.Any] | None = None
+        self.labels: dict[str, t.Any] | None = None
+        self.container_labels: dict[str, t.Any] | None = None
+        self.sysctls: dict[str, t.Any] | None = None
+        self.limit_cpu: float | None = None
+        self.limit_memory: int | None = None
+        self.reserve_cpu: float | None = None
+        self.reserve_memory: int | None = None
+        self.mode: t.Literal["replicated", "global", "replicated-job"] = "replicated"
+        self.user: str | None = None
+        self.mounts: list[dict[str, t.Any]] | None = None
+        self.configs: list[dict[str, t.Any]] | None = None
+        self.secrets: list[dict[str, t.Any]] | None = None
+        self.constraints: list[str] | None = None
+        self.replicas_max_per_node: int | None = None
+        self.networks: list[t.Any] | None = None
+        self.stop_grace_period: int | None = None
+        self.stop_signal: str | None = None
+        self.publish: list[dict[str, t.Any]] | None = None
+        self.placement_preferences: list[dict[str, t.Any]] | None = None
+        self.replicas: int | None = -1
         self.service_id = False
         self.service_version = False
-        self.read_only = None
-        self.restart_policy = None
-        self.restart_policy_attempts = None
-        self.restart_policy_delay = None
-        self.restart_policy_window = None
-        self.rollback_config = None
-        self.update_delay = None
-        self.update_parallelism = None
-        self.update_failure_action = None
-        self.update_monitor = None
-        self.update_max_failure_ratio = None
-        self.update_order = None
-        self.working_dir = None
-        self.init = None
-        self.cap_add = None
-        self.cap_drop = None
+        self.read_only: bool | None = None
+        self.restart_policy: t.Literal["none", "on-failure", "any"] | None = None
+        self.restart_policy_attempts: int | None = None
+        self.restart_policy_delay: str | None = None
+        self.restart_policy_window: str | None = None
+        self.rollback_config: dict[str, t.Any] | None = None
+        self.update_delay: str | None = None
+        self.update_parallelism: int | None = None
+        self.update_failure_action: (
+            t.Literal["continue", "pause", "rollback"] | None
+        ) = None
+        self.update_monitor: str | None = None
+        self.update_max_failure_ratio: float | None = None
+        self.update_order: str | None = None
+        self.working_dir: str | None = None
+        self.init: bool | None = None
+        self.cap_add: list[str] | None = None
+        self.cap_drop: list[str] | None = None
 
         self.docker_api_version = docker_api_version
         self.docker_py_version = docker_py_version
 
-    def get_facts(self):
+    def get_facts(self) -> dict[str, t.Any]:
         return {
             "image": self.image,
             "mounts": self.mounts,
@@ -1242,19 +1277,21 @@ class DockerService(DockerBaseClass):
         }
 
     @property
-    def can_update_networks(self):
+    def can_update_networks(self) -> bool:
         # Before Docker API 1.29 adding/removing networks was not supported
         return self.docker_api_version >= LooseVersion(
             "1.29"
         ) and self.docker_py_version >= LooseVersion("2.7")
 
     @property
-    def can_use_task_template_networks(self):
+    def can_use_task_template_networks(self) -> bool:
         # In Docker API 1.25 attaching networks to TaskTemplate is preferred over Spec
         return self.docker_py_version >= LooseVersion("2.7")
 
     @staticmethod
-    def get_restart_config_from_ansible_params(params):
+    def get_restart_config_from_ansible_params(
+        params: dict[str, t.Any],
+    ) -> dict[str, t.Any]:
         restart_config = params["restart_config"] or {}
         condition = get_value(
             "condition",
@@ -1282,7 +1319,9 @@ class DockerService(DockerBaseClass):
         }
 
     @staticmethod
-    def get_update_config_from_ansible_params(params):
+    def get_update_config_from_ansible_params(
+        params: dict[str, t.Any],
+    ) -> dict[str, t.Any]:
         update_config = params["update_config"] or {}
         parallelism = get_value(
             "parallelism",
@@ -1320,7 +1359,9 @@ class DockerService(DockerBaseClass):
         }
 
     @staticmethod
-    def get_rollback_config_from_ansible_params(params):
+    def get_rollback_config_from_ansible_params(
+        params: dict[str, t.Any],
+    ) -> dict[str, t.Any] | None:
         if params["rollback_config"] is None:
             return None
         rollback_config = params["rollback_config"] or {}
@@ -1340,7 +1381,7 @@ class DockerService(DockerBaseClass):
         }
 
     @staticmethod
-    def get_logging_from_ansible_params(params):
+    def get_logging_from_ansible_params(params: dict[str, t.Any]) -> dict[str, t.Any]:
         logging_config = params["logging"] or {}
         driver = get_value(
             "driver",
@@ -1356,7 +1397,7 @@ class DockerService(DockerBaseClass):
         }
 
     @staticmethod
-    def get_limits_from_ansible_params(params):
+    def get_limits_from_ansible_params(params: dict[str, t.Any]) -> dict[str, t.Any]:
         limits = params["limits"] or {}
         cpus = get_value(
             "cpus",
@@ -1379,7 +1420,9 @@ class DockerService(DockerBaseClass):
         }
 
     @staticmethod
-    def get_reservations_from_ansible_params(params):
+    def get_reservations_from_ansible_params(
+        params: dict[str, t.Any],
+    ) -> dict[str, t.Any]:
         reservations = params["reservations"] or {}
         cpus = get_value(
             "cpus",
@@ -1403,7 +1446,7 @@ class DockerService(DockerBaseClass):
         }
 
     @staticmethod
-    def get_placement_from_ansible_params(params):
+    def get_placement_from_ansible_params(params: dict[str, t.Any]) -> dict[str, t.Any]:
         placement = params["placement"] or {}
         constraints = get_value("constraints", placement)
 
@@ -1419,14 +1462,14 @@ class DockerService(DockerBaseClass):
     @classmethod
     def from_ansible_params(
         cls,
-        ap,
-        old_service,
-        image_digest,
-        secret_ids,
-        config_ids,
-        network_ids,
-        client,
-    ):
+        ap: dict[str, t.Any],
+        old_service: DockerService | None,
+        image_digest: str,
+        secret_ids: dict[str, str],
+        config_ids: dict[str, str],
+        network_ids: dict[str, str],
+        client: AnsibleDockerClient,
+    ) -> DockerService:
         s = DockerService(client.docker_api_version, client.docker_py_version)
         s.image = image_digest
         s.args = ap["args"]
@@ -1596,7 +1639,7 @@ class DockerService(DockerBaseClass):
 
         return s
 
-    def compare(self, os):
+    def compare(self, os: DockerService) -> tuple[bool, DifferenceTracker, bool, bool]:
         differences = DifferenceTracker()
         needs_rebuild = False
         force_update = False
@@ -1784,7 +1827,7 @@ class DockerService(DockerBaseClass):
             differences.add(
                 "update_order", parameter=self.update_order, active=os.update_order
             )
-        has_image_changed, change = self.has_image_changed(os.image)
+        has_image_changed, change = self.has_image_changed(os.image or "")
         if has_image_changed:
             differences.add("image", parameter=self.image, active=change)
         if self.user and self.user != os.user:
@@ -1828,7 +1871,7 @@ class DockerService(DockerBaseClass):
             force_update,
         )
 
-    def has_healthcheck_changed(self, old_publish):
+    def has_healthcheck_changed(self, old_publish: DockerService) -> bool:
         if self.healthcheck_disabled is False and self.healthcheck is None:
             return False
         if self.healthcheck_disabled:
@@ -1838,14 +1881,14 @@ class DockerService(DockerBaseClass):
                 return False
         return self.healthcheck != old_publish.healthcheck
 
-    def has_publish_changed(self, old_publish):
+    def has_publish_changed(self, old_publish: list[dict[str, t.Any]] | None) -> bool:
         if self.publish is None:
             return False
         old_publish = old_publish or []
         if len(self.publish) != len(old_publish):
             return True
 
-        def publish_sorter(item):
+        def publish_sorter(item: dict[str, t.Any]) -> tuple[int, int, str]:
             return (
                 item.get("published_port") or 0,
                 item.get("target_port") or 0,
@@ -1869,12 +1912,13 @@ class DockerService(DockerBaseClass):
                 return True
         return False
 
-    def has_image_changed(self, old_image):
+    def has_image_changed(self, old_image: str) -> tuple[bool, str]:
+        assert self.image is not None
         if "@" not in self.image:
             old_image = old_image.split("@")[0]
         return self.image != old_image, old_image
 
-    def build_container_spec(self):
+    def build_container_spec(self) -> types.ContainerSpec:
         mounts = None
         if self.mounts is not None:
             mounts = []
@@ -1945,7 +1989,7 @@ class DockerService(DockerBaseClass):
 
                 secrets.append(types.SecretReference(**secret_args))
 
-        dns_config_args = {}
+        dns_config_args: dict[str, t.Any] = {}
         if self.dns is not None:
             dns_config_args["nameservers"] = self.dns
         if self.dns_search is not None:
@@ -1954,7 +1998,7 @@ class DockerService(DockerBaseClass):
             dns_config_args["options"] = self.dns_options
         dns_config = types.DNSConfig(**dns_config_args) if dns_config_args else None
 
-        container_spec_args = {}
+        container_spec_args: dict[str, t.Any] = {}
         if self.command is not None:
             container_spec_args["command"] = self.command
         if self.args is not None:
@@ -2004,8 +2048,8 @@ class DockerService(DockerBaseClass):
 
         return types.ContainerSpec(self.image, **container_spec_args)
 
-    def build_placement(self):
-        placement_args = {}
+    def build_placement(self) -> types.Placement | None:
+        placement_args: dict[str, t.Any] = {}
         if self.constraints is not None:
             placement_args["constraints"] = self.constraints
         if self.replicas_max_per_node is not None:
@@ -2018,8 +2062,8 @@ class DockerService(DockerBaseClass):
             ]
         return types.Placement(**placement_args) if placement_args else None
 
-    def build_update_config(self):
-        update_config_args = {}
+    def build_update_config(self) -> types.UpdateConfig | None:
+        update_config_args: dict[str, t.Any] = {}
         if self.update_parallelism is not None:
             update_config_args["parallelism"] = self.update_parallelism
         if self.update_delay is not None:
@@ -2034,16 +2078,16 @@ class DockerService(DockerBaseClass):
             update_config_args["order"] = self.update_order
         return types.UpdateConfig(**update_config_args) if update_config_args else None
 
-    def build_log_driver(self):
-        log_driver_args = {}
+    def build_log_driver(self) -> types.DriverConfig | None:
+        log_driver_args: dict[str, t.Any] = {}
         if self.log_driver is not None:
             log_driver_args["name"] = self.log_driver
         if self.log_driver_options is not None:
             log_driver_args["options"] = self.log_driver_options
         return types.DriverConfig(**log_driver_args) if log_driver_args else None
 
-    def build_restart_policy(self):
-        restart_policy_args = {}
+    def build_restart_policy(self) -> types.RestartPolicy | None:
+        restart_policy_args: dict[str, t.Any] = {}
         if self.restart_policy is not None:
             restart_policy_args["condition"] = self.restart_policy
         if self.restart_policy_delay is not None:
@@ -2056,7 +2100,7 @@ class DockerService(DockerBaseClass):
             types.RestartPolicy(**restart_policy_args) if restart_policy_args else None
         )
 
-    def build_rollback_config(self):
+    def build_rollback_config(self) -> types.RollbackConfig | None:
         if self.rollback_config is None:
             return None
         rollback_config_options = [
@@ -2078,8 +2122,8 @@ class DockerService(DockerBaseClass):
             else None
         )
 
-    def build_resources(self):
-        resources_args = {}
+    def build_resources(self) -> types.Resources | None:
+        resources_args: dict[str, t.Any] = {}
         if self.limit_cpu is not None:
             resources_args["cpu_limit"] = int(self.limit_cpu * 1000000000.0)
         if self.limit_memory is not None:
@@ -2090,12 +2134,16 @@ class DockerService(DockerBaseClass):
             resources_args["mem_reservation"] = self.reserve_memory
         return types.Resources(**resources_args) if resources_args else None
 
-    def build_task_template(self, container_spec, placement=None):
+    def build_task_template(
+        self,
+        container_spec: types.ContainerSpec,
+        placement: types.Placement | None = None,
+    ) -> types.TaskTemplate:
         log_driver = self.build_log_driver()
         restart_policy = self.build_restart_policy()
         resources = self.build_resources()
 
-        task_template_args = {}
+        task_template_args: dict[str, t.Any] = {}
         if placement is not None:
             task_template_args["placement"] = placement
         if log_driver is not None:
@@ -2112,12 +2160,12 @@ class DockerService(DockerBaseClass):
                 task_template_args["networks"] = networks
         return types.TaskTemplate(container_spec=container_spec, **task_template_args)
 
-    def build_service_mode(self):
+    def build_service_mode(self) -> types.ServiceMode:
         if self.mode == "global":
             self.replicas = None
         return types.ServiceMode(self.mode, replicas=self.replicas)
 
-    def build_networks(self):
+    def build_networks(self) -> list[dict[str, t.Any]] | None:
         networks = None
         if self.networks is not None:
             networks = []
@@ -2130,8 +2178,8 @@ class DockerService(DockerBaseClass):
                 networks.append(docker_network)
         return networks
 
-    def build_endpoint_spec(self):
-        endpoint_spec_args = {}
+    def build_endpoint_spec(self) -> types.EndpointSpec | None:
+        endpoint_spec_args: dict[str, t.Any] = {}
         if self.publish is not None:
             ports = []
             for port in self.publish:
@@ -2149,7 +2197,7 @@ class DockerService(DockerBaseClass):
             endpoint_spec_args["mode"] = self.endpoint_mode
         return types.EndpointSpec(**endpoint_spec_args) if endpoint_spec_args else None
 
-    def build_docker_service(self):
+    def build_docker_service(self) -> dict[str, t.Any]:
         container_spec = self.build_container_spec()
         placement = self.build_placement()
         task_template = self.build_task_template(container_spec, placement)
@@ -2159,7 +2207,10 @@ class DockerService(DockerBaseClass):
         service_mode = self.build_service_mode()
         endpoint_spec = self.build_endpoint_spec()
 
-        service = {"task_template": task_template, "mode": service_mode}
+        service: dict[str, t.Any] = {
+            "task_template": task_template,
+            "mode": service_mode,
+        }
         if update_config:
             service["update_config"] = update_config
         if rollback_config:
@@ -2176,13 +2227,12 @@ class DockerService(DockerBaseClass):
 
 
 class DockerServiceManager:
-
-    def __init__(self, client):
+    def __init__(self, client: AnsibleDockerClient):
         self.client = client
         self.retries = 2
-        self.diff_tracker = None
+        self.diff_tracker: DifferenceTracker | None = None
 
-    def get_service(self, name):
+    def get_service(self, name: str) -> DockerService | None:
         try:
             raw_data = self.client.inspect_service(name)
         except NotFound:
@@ -2415,7 +2465,9 @@ class DockerServiceManager:
         ds.init = task_template_data["ContainerSpec"].get("Init", False)
         return ds
 
-    def update_service(self, name, old_service, new_service):
+    def update_service(
+        self, name: str, old_service: DockerService, new_service: DockerService
+    ) -> None:
         service_data = new_service.build_docker_service()
         result = self.client.update_service(
             old_service.service_id,
@@ -2427,15 +2479,15 @@ class DockerServiceManager:
         # (see https://github.com/docker/docker-py/pull/2272)
         self.client.report_warnings(result, ["Warning"])
 
-    def create_service(self, name, service):
+    def create_service(self, name: str, service: DockerService) -> None:
         service_data = service.build_docker_service()
         result = self.client.create_service(name=name, **service_data)
         self.client.report_warnings(result, ["Warning"])
 
-    def remove_service(self, name):
+    def remove_service(self, name: str) -> None:
         self.client.remove_service(name)
 
-    def get_image_digest(self, name, resolve=False):
+    def get_image_digest(self, name: str, resolve: bool = False) -> str:
         if not name or not resolve:
             return name
         repo, tag = parse_repository_tag(name)
@@ -2446,10 +2498,10 @@ class DockerServiceManager:
         digest = distribution_data["Descriptor"]["digest"]
         return f"{name}@{digest}"
 
-    def get_networks_names_ids(self):
+    def get_networks_names_ids(self) -> dict[str, str]:
         return {network["Name"]: network["Id"] for network in self.client.networks()}
 
-    def get_missing_secret_ids(self):
+    def get_missing_secret_ids(self) -> dict[str, str]:
         """
         Resolve missing secret ids by looking them up by name
         """
@@ -2471,7 +2523,7 @@ class DockerServiceManager:
                 self.client.fail(f'Could not find a secret named "{secret_name}"')
         return secrets
 
-    def get_missing_config_ids(self):
+    def get_missing_config_ids(self) -> dict[str, str]:
         """
         Resolve missing config ids by looking them up by name
         """
@@ -2493,7 +2545,7 @@ class DockerServiceManager:
                 self.client.fail(f'Could not find a config named "{config_name}"')
         return configs
 
-    def run(self):
+    def run(self) -> tuple[str, bool, bool, list[str], dict[str, t.Any]]:
         self.diff_tracker = DifferenceTracker()
         module = self.client.module
 
@@ -2582,7 +2634,7 @@ class DockerServiceManager:
 
         return msg, changed, rebuilt, differences.get_legacy_docker_diffs(), facts
 
-    def run_safe(self):
+    def run_safe(self) -> tuple[str, bool, bool, list[str], dict[str, t.Any]]:
         while True:
             try:
                 return self.run()
@@ -2596,20 +2648,20 @@ class DockerServiceManager:
                     raise
 
 
-def _detect_publish_mode_usage(client):
+def _detect_publish_mode_usage(client: AnsibleDockerClient) -> bool:
     for publish_def in client.module.params["publish"] or []:
         if publish_def.get("mode"):
             return True
     return False
 
 
-def _detect_healthcheck_start_period(client):
+def _detect_healthcheck_start_period(client: AnsibleDockerClient) -> bool:
     if client.module.params["healthcheck"]:
         return client.module.params["healthcheck"]["start_period"] is not None
     return False
 
 
-def _detect_mount_tmpfs_usage(client):
+def _detect_mount_tmpfs_usage(client: AnsibleDockerClient) -> bool:
     for mount in client.module.params["mounts"] or []:
         if mount.get("type") == "tmpfs":
             return True
@@ -2620,14 +2672,14 @@ def _detect_mount_tmpfs_usage(client):
     return False
 
 
-def _detect_update_config_failure_action_rollback(client):
+def _detect_update_config_failure_action_rollback(client: AnsibleDockerClient) -> bool:
     rollback_config_failure_action = (client.module.params["update_config"] or {}).get(
         "failure_action"
     )
     return rollback_config_failure_action == "rollback"
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "name": {"type": "str", "required": True},
         "image": {"type": "str"},
@@ -2948,6 +3000,7 @@ def main():
             "swarm_service": facts,
         }
         if client.module._diff:
+            assert dsm.diff_tracker is not None
             before, after = dsm.diff_tracker.get_before_after()
             results["diff"] = {"before": before, "after": after}
 

plugins/modules/docker_swarm_service_info.py

@@ -63,6 +63,7 @@ service:
 """
 
 import traceback
+import typing as t
 
 
 try:
@@ -79,12 +80,12 @@ from ansible_collections.community.docker.plugins.module_utils._swarm import (
 )
 
 
-def get_service_info(client):
+def get_service_info(client: AnsibleDockerSwarmClient) -> dict[str, t.Any] | None:
     service = client.module.params["name"]
     return client.get_service_inspect(service_id=service, skip_missing=True)
 
 
-def main():
+def main() -> None:
     argument_spec = {
         "name": {"type": "str", "required": True},
     }

tests/sanity/ignore-2.17.txt

@@ -5,6 +5,7 @@ plugins/module_utils/_api/api/client.py pep8:E704
 plugins/module_utils/_api/transport/sshconn.py no-assert
 plugins/module_utils/_api/utils/build.py no-assert
 plugins/module_utils/_api/utils/ports.py pep8:E704
+plugins/module_utils/_api/utils/proxy.py pep8:E704
 plugins/module_utils/_api/utils/socket.py pep8:E704
 plugins/module_utils/_common_cli.py pep8:E704
 plugins/module_utils/_module_container/module.py no-assert
@@ -12,6 +13,7 @@ plugins/module_utils/_platform.py no-assert
 plugins/module_utils/_socket_handler.py no-assert
 plugins/module_utils/_swarm.py pep8:E704
 plugins/module_utils/_util.py pep8:E704
+plugins/modules/docker_container_copy_into.py no-assert
 plugins/modules/docker_container_copy_into.py validate-modules:undocumented-parameter # _max_file_size_for_diff is used by the action plugin
 plugins/modules/docker_container_exec.py no-assert
 plugins/modules/docker_container_exec.py pylint:unpacking-non-sequence
@@ -19,4 +21,6 @@ plugins/modules/docker_image.py no-assert
 plugins/modules/docker_image_tag.py no-assert
 plugins/modules/docker_login.py no-assert
 plugins/modules/docker_plugin.py no-assert
+plugins/modules/docker_swarm_service.py no-assert
+plugins/modules/docker_swarm_service.py pep8:E704
 plugins/modules/docker_volume.py no-assert

tests/sanity/ignore-2.18.txt

@@ -5,6 +5,7 @@ plugins/module_utils/_api/api/client.py pep8:E704
 plugins/module_utils/_api/transport/sshconn.py no-assert
 plugins/module_utils/_api/utils/build.py no-assert
 plugins/module_utils/_api/utils/ports.py pep8:E704
+plugins/module_utils/_api/utils/proxy.py pep8:E704
 plugins/module_utils/_api/utils/socket.py pep8:E704
 plugins/module_utils/_common_cli.py pep8:E704
 plugins/module_utils/_module_container/module.py no-assert
@@ -12,10 +13,13 @@ plugins/module_utils/_platform.py no-assert
 plugins/module_utils/_socket_handler.py no-assert
 plugins/module_utils/_swarm.py pep8:E704
 plugins/module_utils/_util.py pep8:E704
+plugins/modules/docker_container_copy_into.py no-assert
 plugins/modules/docker_container_copy_into.py validate-modules:undocumented-parameter # _max_file_size_for_diff is used by the action plugin
 plugins/modules/docker_container_exec.py no-assert
 plugins/modules/docker_image.py no-assert
 plugins/modules/docker_image_tag.py no-assert
 plugins/modules/docker_login.py no-assert
 plugins/modules/docker_plugin.py no-assert
+plugins/modules/docker_swarm_service.py no-assert
+plugins/modules/docker_swarm_service.py pep8:E704
 plugins/modules/docker_volume.py no-assert

tests/sanity/ignore-2.19.txt

@@ -6,10 +6,12 @@ plugins/module_utils/_api/utils/build.py no-assert
 plugins/module_utils/_module_container/module.py no-assert
 plugins/module_utils/_platform.py no-assert
 plugins/module_utils/_socket_handler.py no-assert
+plugins/modules/docker_container_copy_into.py no-assert
 plugins/modules/docker_container_copy_into.py validate-modules:undocumented-parameter # _max_file_size_for_diff is used by the action plugin
 plugins/modules/docker_container_exec.py no-assert
 plugins/modules/docker_image.py no-assert
 plugins/modules/docker_image_tag.py no-assert
 plugins/modules/docker_login.py no-assert
 plugins/modules/docker_plugin.py no-assert
+plugins/modules/docker_swarm_service.py no-assert
 plugins/modules/docker_volume.py no-assert

tests/sanity/ignore-2.20.txt

@@ -6,10 +6,12 @@ plugins/module_utils/_api/utils/build.py no-assert
 plugins/module_utils/_module_container/module.py no-assert
 plugins/module_utils/_platform.py no-assert
 plugins/module_utils/_socket_handler.py no-assert
+plugins/modules/docker_container_copy_into.py no-assert
 plugins/modules/docker_container_copy_into.py validate-modules:undocumented-parameter # _max_file_size_for_diff is used by the action plugin
 plugins/modules/docker_container_exec.py no-assert
 plugins/modules/docker_image.py no-assert
 plugins/modules/docker_image_tag.py no-assert
 plugins/modules/docker_login.py no-assert
 plugins/modules/docker_plugin.py no-assert
+plugins/modules/docker_swarm_service.py no-assert
 plugins/modules/docker_volume.py no-assert

tests/sanity/ignore-2.21.txt

@@ -6,10 +6,12 @@ plugins/module_utils/_api/utils/build.py no-assert
 plugins/module_utils/_module_container/module.py no-assert
 plugins/module_utils/_platform.py no-assert
 plugins/module_utils/_socket_handler.py no-assert
+plugins/modules/docker_container_copy_into.py no-assert
 plugins/modules/docker_container_copy_into.py validate-modules:undocumented-parameter # _max_file_size_for_diff is used by the action plugin
 plugins/modules/docker_container_exec.py no-assert
 plugins/modules/docker_image.py no-assert
 plugins/modules/docker_image_tag.py no-assert
 plugins/modules/docker_login.py no-assert
 plugins/modules/docker_plugin.py no-assert
+plugins/modules/docker_swarm_service.py no-assert
 plugins/modules/docker_volume.py no-assert

tests/unit/plugins/connection/test_docker.py

@@ -4,6 +4,7 @@
 
 from __future__ import annotations
 
+import typing as t
 import unittest
 from io import StringIO
 from unittest import mock
@@ -14,8 +15,7 @@ from ansible.plugins.loader import connection_loader
 
 
 class TestDockerConnectionClass(unittest.TestCase):
-
-    def setUp(self):
+    def setUp(self) -> None:
         self.play_context = PlayContext()
         self.play_context.prompt = (
             "[sudo via ansible, key=ouzmdnewuhucvuaabtjmweasarviygqq] password: "
@@ -29,7 +29,7 @@ class TestDockerConnectionClass(unittest.TestCase):
                 "community.docker.docker", self.play_context, self.in_stream
             )
 
-    def tearDown(self):
+    def tearDown(self) -> None:
         pass
 
     @mock.patch(
@@ -41,8 +41,8 @@ class TestDockerConnectionClass(unittest.TestCase):
         return_value=("docker version", "1.2.3", "", 0),
     )
     def test_docker_connection_module_too_old(
-        self, mock_new_docker_version, mock_old_docker_version
-    ):
+        self, mock_new_docker_version: t.Any, mock_old_docker_version: t.Any
+    ) -> None:
         self.dc._version = None
         self.dc.remote_user = "foo"
         self.assertRaisesRegex(
@@ -60,8 +60,8 @@ class TestDockerConnectionClass(unittest.TestCase):
         return_value=("docker version", "1.7.0", "", 0),
     )
     def test_docker_connection_module(
-        self, mock_new_docker_version, mock_old_docker_version
-    ):
+        self, mock_new_docker_version: t.Any, mock_old_docker_version: t.Any
+    ) -> None:
         self.dc._version = None
 
     # old version and new version fail
@@ -74,8 +74,8 @@ class TestDockerConnectionClass(unittest.TestCase):
         return_value=("false", "garbage", "", 1),
     )
     def test_docker_connection_module_wrong_cmd(
-        self, mock_new_docker_version, mock_old_docker_version
-    ):
+        self, mock_new_docker_version: t.Any, mock_old_docker_version: t.Any
+    ) -> None:
         self.dc._version = None
         self.dc.remote_user = "foo"
         self.assertRaisesRegex(

tests/unit/plugins/inventory/test_docker_containers.py

@@ -4,6 +4,7 @@
 
 from __future__ import annotations
 
+import typing as t
 from unittest.mock import create_autospec
 
 import pytest
@@ -19,14 +20,18 @@ from ansible_collections.community.docker.plugins.inventory.docker_containers im
 )
 
 
+if t.TYPE_CHECKING:
+    from collections.abc import Callable
+
+
 @pytest.fixture(scope="module")
-def templar():
+def templar() -> Templar:
     dataloader = create_autospec(DataLoader, instance=True)
     return Templar(loader=dataloader)
 
 
 @pytest.fixture(scope="module")
-def inventory(templar):
+def inventory(templar: Templar) -> InventoryModule:
     r = InventoryModule()
     r.inventory = InventoryData()
     r.templar = templar
@@ -83,8 +88,10 @@ LOVING_THARP_SERVICE = {
 }
 
 
-def create_get_option(options, default=False):
-    def get_option(option):
+def create_get_option(
+    options: dict[str, t.Any], default: t.Any = False
+) -> Callable[[str], t.Any]:
+    def get_option(option: str) -> t.Any:
         if option in options:
             return options[option]
         return default
@@ -93,9 +100,9 @@ def create_get_option(options, default=False):
 
 
 class FakeClient:
-    def __init__(self, *hosts):
-        self.get_results = {}
-        list_reply = []
+    def __init__(self, *hosts: dict[str, t.Any]) -> None:
+        self.get_results: dict[str, t.Any] = {}
+        list_reply: list[dict[str, t.Any]] = []
         for host in hosts:
             list_reply.append(
                 {
@@ -109,15 +116,16 @@ class FakeClient:
             self.get_results[f"/containers/{host['Id']}/json"] = host
         self.get_results["/containers/json"] = list_reply
 
-    def get_json(self, url, *param, **kwargs):
+    def get_json(self, url: str, *param: str, **kwargs: t.Any) -> t.Any:
         url = url.format(*param)
         return self.get_results[url]
 
 
-def test_populate(inventory, mocker):
+def test_populate(inventory: InventoryModule, mocker: t.Any) -> None:
+    assert inventory.inventory is not None
     client = FakeClient(LOVING_THARP)
 
-    inventory.get_option = mocker.MagicMock(
+    inventory.get_option = mocker.MagicMock(  # type: ignore[method-assign]
         side_effect=create_get_option(
             {
                 "verbose_output": True,
@@ -130,9 +138,10 @@ def test_populate(inventory, mocker):
             }
         )
     )
-    inventory._populate(client)
+    inventory._populate(client)  # type: ignore
 
     host_1 = inventory.inventory.get_host("loving_tharp")
+    assert host_1 is not None
     host_1_vars = host_1.get_vars()
 
     assert host_1_vars["ansible_host"] == "loving_tharp"
@@ -149,10 +158,11 @@ def test_populate(inventory, mocker):
     assert len(inventory.inventory.hosts) == 1
 
 
-def test_populate_service(inventory, mocker):
+def test_populate_service(inventory: InventoryModule, mocker: t.Any) -> None:
+    assert inventory.inventory is not None
     client = FakeClient(LOVING_THARP_SERVICE)
 
-    inventory.get_option = mocker.MagicMock(
+    inventory.get_option = mocker.MagicMock(  # type: ignore[method-assign]
         side_effect=create_get_option(
             {
                 "verbose_output": False,
@@ -166,9 +176,10 @@ def test_populate_service(inventory, mocker):
             }
         )
     )
-    inventory._populate(client)
+    inventory._populate(client)  # type: ignore
 
     host_1 = inventory.inventory.get_host("loving_tharp")
+    assert host_1 is not None
     host_1_vars = host_1.get_vars()
 
     assert host_1_vars["ansible_host"] == "loving_tharp"
@@ -207,10 +218,11 @@ def test_populate_service(inventory, mocker):
     assert len(inventory.inventory.hosts) == 1
 
 
-def test_populate_stack(inventory, mocker):
+def test_populate_stack(inventory: InventoryModule, mocker: t.Any) -> None:
+    assert inventory.inventory is not None
     client = FakeClient(LOVING_THARP_STACK)
 
-    inventory.get_option = mocker.MagicMock(
+    inventory.get_option = mocker.MagicMock(  # type: ignore[method-assign]
         side_effect=create_get_option(
             {
                 "verbose_output": False,
@@ -226,9 +238,10 @@ def test_populate_stack(inventory, mocker):
             }
         )
     )
-    inventory._populate(client)
+    inventory._populate(client)  # type: ignore
 
     host_1 = inventory.inventory.get_host("loving_tharp")
+    assert host_1 is not None
     host_1_vars = host_1.get_vars()
 
     assert host_1_vars["ansible_ssh_host"] == "127.0.0.1"
@@ -267,10 +280,11 @@ def test_populate_stack(inventory, mocker):
     assert len(inventory.inventory.hosts) == 1
 
 
-def test_populate_filter_none(inventory, mocker):
+def test_populate_filter_none(inventory: InventoryModule, mocker: t.Any) -> None:
+    assert inventory.inventory is not None
     client = FakeClient(LOVING_THARP)
 
-    inventory.get_option = mocker.MagicMock(
+    inventory.get_option = mocker.MagicMock(  # type: ignore[method-assign]
         side_effect=create_get_option(
             {
                 "verbose_output": True,
@@ -285,15 +299,16 @@ def test_populate_filter_none(inventory, mocker):
             }
         )
     )
-    inventory._populate(client)
+    inventory._populate(client)  # type: ignore
 
     assert len(inventory.inventory.hosts) == 0
 
 
-def test_populate_filter(inventory, mocker):
+def test_populate_filter(inventory: InventoryModule, mocker: t.Any) -> None:
+    assert inventory.inventory is not None
     client = FakeClient(LOVING_THARP)
 
-    inventory.get_option = mocker.MagicMock(
+    inventory.get_option = mocker.MagicMock(  # type: ignore[method-assign]
         side_effect=create_get_option(
             {
                 "verbose_output": True,
@@ -309,9 +324,10 @@ def test_populate_filter(inventory, mocker):
             }
         )
     )
-    inventory._populate(client)
+    inventory._populate(client)  # type: ignore
 
     host_1 = inventory.inventory.get_host("loving_tharp")
+    assert host_1 is not None
     host_1_vars = host_1.get_vars()
 
     assert host_1_vars["ansible_host"] == "loving_tharp"

tests/unit/plugins/module_utils/_api/api/test_client.py

@@ -19,6 +19,7 @@ import struct
 import tempfile
 import threading
 import time
+import typing as t
 import unittest
 from http.server import BaseHTTPRequestHandler
 from socketserver import ThreadingTCPServer
@@ -42,18 +43,24 @@ from ansible_collections.community.docker.tests.unit.plugins.module_utils._api.c
 from .. import fake_api
 
 
+if t.TYPE_CHECKING:
+    from ansible_collections.community.docker.plugins.module_utils._api.auth import (
+        AuthConfig,
+    )
+
+
 DEFAULT_TIMEOUT_SECONDS = constants.DEFAULT_TIMEOUT_SECONDS
 
 
 def response(
-    status_code=200,
-    content="",
-    headers=None,
-    reason=None,
-    elapsed=0,
-    request=None,
-    raw=None,
-):
+    status_code: int = 200,
+    content: bytes | dict[str, t.Any] | list[dict[str, t.Any]] = b"",
+    headers: dict[str, str] | None = None,
+    reason: str = "",
+    elapsed: int = 0,
+    request: requests.PreparedRequest | None = None,
+    raw: urllib3.HTTPResponse | None = None,
+) -> requests.Response:
     res = requests.Response()
     res.status_code = status_code
     if not isinstance(content, bytes):
@@ -62,23 +69,25 @@ def response(
     res.headers = requests.structures.CaseInsensitiveDict(headers or {})
     res.reason = reason
     res.elapsed = datetime.timedelta(elapsed)
-    res.request = request
+    res.request = request  # type: ignore
     res.raw = raw
     return res
 
 
-def fake_resolve_authconfig(
-    authconfig, registry=None, *args, **kwargs
-):  # pylint: disable=keyword-arg-before-vararg
+def fake_resolve_authconfig(  # pylint: disable=keyword-arg-before-vararg
+    authconfig: AuthConfig, *args: t.Any, registry: str | None = None, **kwargs: t.Any
+) -> None:
     return None
 
 
-def fake_inspect_container(self, container, tty=False):
+def fake_inspect_container(self: object, container: str, tty: bool = False) -> t.Any:
     return fake_api.get_fake_inspect_container(tty=tty)[1]
 
 
-def fake_resp(method, url, *args, **kwargs):
-    key = None
+def fake_resp(
+    method: str, url: str, *args: t.Any, **kwargs: t.Any
+) -> requests.Response:
+    key: str | tuple[str, str] | None = None
     if url in fake_api.fake_responses:
         key = url
     elif (url, method) in fake_api.fake_responses:
@@ -92,23 +101,37 @@ def fake_resp(method, url, *args, **kwargs):
 fake_request = mock.Mock(side_effect=fake_resp)
 
 
-def fake_get(self, url, *args, **kwargs):
+def fake_get(
+    self: APIClient, url: str, *args: str, **kwargs: t.Any
+) -> requests.Response:
     return fake_request("GET", url, *args, **kwargs)
 
 
-def fake_post(self, url, *args, **kwargs):
+def fake_post(
+    self: APIClient, url: str, *args: str, **kwargs: t.Any
+) -> requests.Response:
     return fake_request("POST", url, *args, **kwargs)
 
 
-def fake_put(self, url, *args, **kwargs):
+def fake_put(
+    self: APIClient, url: str, *args: str, **kwargs: t.Any
+) -> requests.Response:
     return fake_request("PUT", url, *args, **kwargs)
 
 
-def fake_delete(self, url, *args, **kwargs):
+def fake_delete(
+    self: APIClient, url: str, *args: str, **kwargs: t.Any
+) -> requests.Response:
     return fake_request("DELETE", url, *args, **kwargs)
 
 
-def fake_read_from_socket(self, response, stream, tty=False, demux=False):
+def fake_read_from_socket(
+    self: APIClient,
+    response: requests.Response,
+    stream: bool,
+    tty: bool = False,
+    demux: bool = False,
+) -> bytes:
     return b""
 
 
@@ -117,7 +140,7 @@ url_prefix = f"{url_base}v{DEFAULT_DOCKER_API_VERSION}/"  # pylint: disable=inva
 
 
 class BaseAPIClientTest(unittest.TestCase):
-    def setUp(self):
+    def setUp(self) -> None:
         self.patcher = mock.patch.multiple(
             "ansible_collections.community.docker.plugins.module_utils._api.api.client.APIClient",
             get=fake_get,
@@ -129,11 +152,13 @@ class BaseAPIClientTest(unittest.TestCase):
         self.patcher.start()
         self.client = APIClient(version=DEFAULT_DOCKER_API_VERSION)
 
-    def tearDown(self):
+    def tearDown(self) -> None:
         self.client.close()
         self.patcher.stop()
 
-    def base_create_payload(self, img="busybox", cmd=None):
+    def base_create_payload(
+        self, img: str = "busybox", cmd: list[str] | None = None
+    ) -> dict[str, t.Any]:
         if not cmd:
             cmd = ["true"]
         return {
@@ -150,16 +175,16 @@ class BaseAPIClientTest(unittest.TestCase):
 
 
 class DockerApiTest(BaseAPIClientTest):
-    def test_ctor(self):
+    def test_ctor(self) -> None:
         with pytest.raises(errors.DockerException) as excinfo:
-            APIClient(version=1.12)
+            APIClient(version=1.12)  # type: ignore
 
         assert (
             str(excinfo.value)
             == "Version parameter must be a string or None. Found float"
         )
 
-    def test_url_valid_resource(self):
+    def test_url_valid_resource(self) -> None:
         url = self.client._url("/hello/{0}/world", "somename")
         assert url == f"{url_prefix}hello/somename/world"
 
@@ -172,50 +197,50 @@ class DockerApiTest(BaseAPIClientTest):
         url = self.client._url("/images/{0}/push", "localhost:5000/image")
         assert url == f"{url_prefix}images/localhost:5000/image/push"
 
-    def test_url_invalid_resource(self):
+    def test_url_invalid_resource(self) -> None:
         with pytest.raises(ValueError):
-            self.client._url("/hello/{0}/world", ["sakuya", "izayoi"])
+            self.client._url("/hello/{0}/world", ["sakuya", "izayoi"])  # type: ignore
 
-    def test_url_no_resource(self):
+    def test_url_no_resource(self) -> None:
         url = self.client._url("/simple")
         assert url == f"{url_prefix}simple"
 
-    def test_url_unversioned_api(self):
+    def test_url_unversioned_api(self) -> None:
         url = self.client._url("/hello/{0}/world", "somename", versioned_api=False)
         assert url == f"{url_base}hello/somename/world"
 
-    def test_version(self):
+    def test_version(self) -> None:
         self.client.version()
 
         fake_request.assert_called_with(
             "GET", url_prefix + "version", timeout=DEFAULT_TIMEOUT_SECONDS
         )
 
-    def test_version_no_api_version(self):
+    def test_version_no_api_version(self) -> None:
         self.client.version(False)
 
         fake_request.assert_called_with(
             "GET", url_base + "version", timeout=DEFAULT_TIMEOUT_SECONDS
         )
 
-    def test_retrieve_server_version(self):
+    def test_retrieve_server_version(self) -> None:
         client = APIClient(version="auto")
         assert isinstance(client._version, str)
         assert not (client._version == "auto")
         client.close()
 
-    def test_auto_retrieve_server_version(self):
+    def test_auto_retrieve_server_version(self) -> None:
         version = self.client._retrieve_server_version()
         assert isinstance(version, str)
 
-    def test_info(self):
+    def test_info(self) -> None:
         self.client.info()
 
         fake_request.assert_called_with(
             "GET", url_prefix + "info", timeout=DEFAULT_TIMEOUT_SECONDS
         )
 
-    def test_search(self):
+    def test_search(self) -> None:
         self.client.get_json("/images/search", params={"term": "busybox"})
 
         fake_request.assert_called_with(
@@ -225,7 +250,7 @@ class DockerApiTest(BaseAPIClientTest):
             timeout=DEFAULT_TIMEOUT_SECONDS,
         )
 
-    def test_login(self):
+    def test_login(self) -> None:
         self.client.login("sakuya", "izayoi")
         args = fake_request.call_args
         assert args[0][0] == "POST"
@@ -242,42 +267,42 @@ class DockerApiTest(BaseAPIClientTest):
             "serveraddress": None,
         }
 
-    def _socket_path_for_client_session(self, client):
+    def _socket_path_for_client_session(self, client: APIClient) -> str:
         socket_adapter = client.get_adapter("http+docker://")
-        return socket_adapter.socket_path
+        return socket_adapter.socket_path  # type: ignore[attr-defined]
 
-    def test_url_compatibility_unix(self):
+    def test_url_compatibility_unix(self) -> None:
         c = APIClient(base_url="unix://socket", version=DEFAULT_DOCKER_API_VERSION)
 
         assert self._socket_path_for_client_session(c) == "/socket"
 
-    def test_url_compatibility_unix_triple_slash(self):
+    def test_url_compatibility_unix_triple_slash(self) -> None:
         c = APIClient(base_url="unix:///socket", version=DEFAULT_DOCKER_API_VERSION)
 
         assert self._socket_path_for_client_session(c) == "/socket"
 
-    def test_url_compatibility_http_unix_triple_slash(self):
+    def test_url_compatibility_http_unix_triple_slash(self) -> None:
         c = APIClient(
             base_url="http+unix:///socket", version=DEFAULT_DOCKER_API_VERSION
         )
 
         assert self._socket_path_for_client_session(c) == "/socket"
 
-    def test_url_compatibility_http(self):
+    def test_url_compatibility_http(self) -> None:
         c = APIClient(
             base_url="http://hostname:1234", version=DEFAULT_DOCKER_API_VERSION
         )
 
         assert c.base_url == "http://hostname:1234"
 
-    def test_url_compatibility_tcp(self):
+    def test_url_compatibility_tcp(self) -> None:
         c = APIClient(
             base_url="tcp://hostname:1234", version=DEFAULT_DOCKER_API_VERSION
         )
 
         assert c.base_url == "http://hostname:1234"
 
-    def test_remove_link(self):
+    def test_remove_link(self) -> None:
         self.client.delete_call(
             "/containers/{0}",
             "3cc2351ab11b",
@@ -291,7 +316,7 @@ class DockerApiTest(BaseAPIClientTest):
             timeout=DEFAULT_TIMEOUT_SECONDS,
         )
 
-    def test_stream_helper_decoding(self):
+    def test_stream_helper_decoding(self) -> None:
         status_code, content = fake_api.fake_responses[url_prefix + "events"]()
         content_str = json.dumps(content).encode("utf-8")
         body = io.BytesIO(content_str)
@@ -318,7 +343,7 @@ class DockerApiTest(BaseAPIClientTest):
         raw_resp._fp.seek(0)
         resp = response(status_code=status_code, content=content, raw=raw_resp)
         result = next(self.client._stream_helper(resp))
-        assert result == content_str.decode("utf-8")
+        assert result == content_str.decode("utf-8")  # type: ignore
 
         # non-chunked response, pass `decode=True` to the helper
         raw_resp._fp.seek(0)
@@ -328,7 +353,7 @@ class DockerApiTest(BaseAPIClientTest):
 
 
 class UnixSocketStreamTest(unittest.TestCase):
-    def setUp(self):
+    def setUp(self) -> None:
         socket_dir = tempfile.mkdtemp()
         self.build_context = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, socket_dir)
@@ -339,23 +364,23 @@ class UnixSocketStreamTest(unittest.TestCase):
         server_thread = threading.Thread(target=self.run_server)
         server_thread.daemon = True
         server_thread.start()
-        self.response = None
-        self.request_handler = None
+        self.response: t.Any = None
+        self.request_handler: t.Any = None
         self.addCleanup(server_thread.join)
         self.addCleanup(self.stop)
 
-    def stop(self):
+    def stop(self) -> None:
         self.stop_server = True
 
-    def _setup_socket(self):
+    def _setup_socket(self) -> socket.socket:
         server_sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
         server_sock.bind(self.socket_file)
         # Non-blocking mode so that we can shut the test down easily
-        server_sock.setblocking(0)
+        server_sock.setblocking(0)  # type: ignore
         server_sock.listen(5)
         return server_sock
 
-    def run_server(self):
+    def run_server(self) -> None:
         try:
             while not self.stop_server:
                 try:
@@ -365,7 +390,7 @@ class UnixSocketStreamTest(unittest.TestCase):
                     time.sleep(0.01)
                     continue
 
-                connection.setblocking(1)
+                connection.setblocking(1)  # type: ignore
                 try:
                     self.request_handler(connection)
                 finally:
@@ -373,7 +398,7 @@ class UnixSocketStreamTest(unittest.TestCase):
         finally:
             self.server_socket.close()
 
-    def early_response_sending_handler(self, connection):
+    def early_response_sending_handler(self, connection: socket.socket) -> None:
         data = b""
         headers = None
 
@@ -395,7 +420,7 @@ class UnixSocketStreamTest(unittest.TestCase):
             data += connection.recv(2048)
 
     @pytest.mark.skipif(constants.IS_WINDOWS_PLATFORM, reason="Unix only")
-    def test_early_stream_response(self):
+    def test_early_stream_response(self) -> None:
         self.request_handler = self.early_response_sending_handler
         lines = []
         for i in range(0, 50):
@@ -405,7 +430,7 @@ class UnixSocketStreamTest(unittest.TestCase):
         lines.append(b"")
 
         self.response = (
-            b"HTTP/1.1 200 OK\r\n" b"Transfer-Encoding: chunked\r\n" b"\r\n"
+            b"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n"
         ) + b"\r\n".join(lines)
 
         with APIClient(
@@ -459,8 +484,12 @@ class TCPSocketStreamTest(unittest.TestCase):
     built on these islands for generations past? Now shall what of Him?
     """
 
+    server: ThreadingTCPServer
+    thread: threading.Thread
+    address: str
+
     @classmethod
-    def setup_class(cls):
+    def setup_class(cls) -> None:
         cls.server = ThreadingTCPServer(("", 0), cls.get_handler_class())
         cls.thread = threading.Thread(target=cls.server.serve_forever)
         cls.thread.daemon = True
@@ -468,18 +497,18 @@ class TCPSocketStreamTest(unittest.TestCase):
         cls.address = f"http://{socket.gethostname()}:{cls.server.server_address[1]}"
 
     @classmethod
-    def teardown_class(cls):
+    def teardown_class(cls) -> None:
         cls.server.shutdown()
         cls.server.server_close()
         cls.thread.join()
 
     @classmethod
-    def get_handler_class(cls):
+    def get_handler_class(cls) -> t.Type[BaseHTTPRequestHandler]:
         stdout_data = cls.stdout_data
         stderr_data = cls.stderr_data
 
         class Handler(BaseHTTPRequestHandler):
-            def do_POST(self):  # pylint: disable=invalid-name
+            def do_POST(self) -> None:  # pylint: disable=invalid-name
                 resp_data = self.get_resp_data()
                 self.send_response(101)
                 self.send_header("Content-Type", "application/vnd.docker.raw-stream")
@@ -491,7 +520,7 @@ class TCPSocketStreamTest(unittest.TestCase):
                 self.wfile.write(resp_data)
                 self.wfile.flush()
 
-            def get_resp_data(self):
+            def get_resp_data(self) -> bytes:
                 path = self.path.split("/")[-1]
                 if path == "tty":
                     return stdout_data + stderr_data
@@ -505,12 +534,17 @@ class TCPSocketStreamTest(unittest.TestCase):
                 raise NotImplementedError(f"Unknown path {path}")
 
             @staticmethod
-            def frame_header(stream, data):
+            def frame_header(stream: int, data: bytes) -> bytes:
                 return struct.pack(">BxxxL", stream, len(data))
 
         return Handler
 
-    def request(self, stream=None, tty=None, demux=None):
+    def request(
+        self,
+        stream: bool | None = None,
+        tty: bool | None = None,
+        demux: bool | None = None,
+    ) -> t.Any:
         assert stream is not None and tty is not None and demux is not None
         with APIClient(
             base_url=self.address,
@@ -523,51 +557,51 @@ class TCPSocketStreamTest(unittest.TestCase):
             resp = client._post(url, stream=True)
             return client._read_from_socket(resp, stream=stream, tty=tty, demux=demux)
 
-    def test_read_from_socket_tty(self):
+    def test_read_from_socket_tty(self) -> None:
         res = self.request(stream=True, tty=True, demux=False)
         assert next(res) == self.stdout_data + self.stderr_data
         with self.assertRaises(StopIteration):
             next(res)
 
-    def test_read_from_socket_tty_demux(self):
+    def test_read_from_socket_tty_demux(self) -> None:
         res = self.request(stream=True, tty=True, demux=True)
         assert next(res) == (self.stdout_data + self.stderr_data, None)
         with self.assertRaises(StopIteration):
             next(res)
 
-    def test_read_from_socket_no_tty(self):
+    def test_read_from_socket_no_tty(self) -> None:
         res = self.request(stream=True, tty=False, demux=False)
         assert next(res) == self.stdout_data
         assert next(res) == self.stderr_data
         with self.assertRaises(StopIteration):
             next(res)
 
-    def test_read_from_socket_no_tty_demux(self):
+    def test_read_from_socket_no_tty_demux(self) -> None:
         res = self.request(stream=True, tty=False, demux=True)
         assert (self.stdout_data, None) == next(res)
         assert (None, self.stderr_data) == next(res)
         with self.assertRaises(StopIteration):
             next(res)
 
-    def test_read_from_socket_no_stream_tty(self):
+    def test_read_from_socket_no_stream_tty(self) -> None:
         res = self.request(stream=False, tty=True, demux=False)
         assert res == self.stdout_data + self.stderr_data
 
-    def test_read_from_socket_no_stream_tty_demux(self):
+    def test_read_from_socket_no_stream_tty_demux(self) -> None:
         res = self.request(stream=False, tty=True, demux=True)
         assert res == (self.stdout_data + self.stderr_data, None)
 
-    def test_read_from_socket_no_stream_no_tty(self):
+    def test_read_from_socket_no_stream_no_tty(self) -> None:
         res = self.request(stream=False, tty=False, demux=False)
         assert res == self.stdout_data + self.stderr_data
 
-    def test_read_from_socket_no_stream_no_tty_demux(self):
+    def test_read_from_socket_no_stream_no_tty_demux(self) -> None:
         res = self.request(stream=False, tty=False, demux=True)
         assert res == (self.stdout_data, self.stderr_data)
 
 
 class UserAgentTest(unittest.TestCase):
-    def setUp(self):
+    def setUp(self) -> None:
         self.patcher = mock.patch.object(
             APIClient,
             "send",
@@ -575,10 +609,10 @@ class UserAgentTest(unittest.TestCase):
         )
         self.mock_send = self.patcher.start()
 
-    def tearDown(self):
+    def tearDown(self) -> None:
         self.patcher.stop()
 
-    def test_default_user_agent(self):
+    def test_default_user_agent(self) -> None:
         client = APIClient(version=DEFAULT_DOCKER_API_VERSION)
         client.version()
 
@@ -587,7 +621,7 @@ class UserAgentTest(unittest.TestCase):
         expected = "ansible-community.docker"
         assert headers["User-Agent"] == expected
 
-    def test_custom_user_agent(self):
+    def test_custom_user_agent(self) -> None:
         client = APIClient(user_agent="foo/bar", version=DEFAULT_DOCKER_API_VERSION)
         client.version()
 
@@ -598,44 +632,44 @@ class UserAgentTest(unittest.TestCase):
 
 class DisableSocketTest(unittest.TestCase):
     class DummySocket:
-        def __init__(self, timeout=60):
+        def __init__(self, timeout: int | float | None = 60) -> None:
             self.timeout = timeout
-            self._sock = None
+            self._sock: t.Any = None
 
-        def settimeout(self, timeout):
+        def settimeout(self, timeout: int | float | None) -> None:
             self.timeout = timeout
 
-        def gettimeout(self):
+        def gettimeout(self) -> int | float | None:
             return self.timeout
 
-    def setUp(self):
+    def setUp(self) -> None:
         self.client = APIClient(version=DEFAULT_DOCKER_API_VERSION)
 
-    def test_disable_socket_timeout(self):
+    def test_disable_socket_timeout(self) -> None:
         """Test that the timeout is disabled on a generic socket object."""
         the_socket = self.DummySocket()
 
-        self.client._disable_socket_timeout(the_socket)
+        self.client._disable_socket_timeout(the_socket)  # type: ignore
 
         assert the_socket.timeout is None
 
-    def test_disable_socket_timeout2(self):
+    def test_disable_socket_timeout2(self) -> None:
         """Test that the timeouts are disabled on a generic socket object
         and it's _sock object if present."""
         the_socket = self.DummySocket()
-        the_socket._sock = self.DummySocket()
+        the_socket._sock = self.DummySocket()  # type: ignore
 
-        self.client._disable_socket_timeout(the_socket)
+        self.client._disable_socket_timeout(the_socket)  # type: ignore
 
         assert the_socket.timeout is None
         assert the_socket._sock.timeout is None
 
-    def test_disable_socket_timout_non_blocking(self):
+    def test_disable_socket_timout_non_blocking(self) -> None:
         """Test that a non-blocking socket does not get set to blocking."""
         the_socket = self.DummySocket()
-        the_socket._sock = self.DummySocket(0.0)
+        the_socket._sock = self.DummySocket(0.0)  # type: ignore
 
-        self.client._disable_socket_timeout(the_socket)
+        self.client._disable_socket_timeout(the_socket)  # type: ignore
 
         assert the_socket.timeout is None
         assert the_socket._sock.timeout == 0.0

tests/unit/plugins/module_utils/_api/fake_api.py

@@ -8,6 +8,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 from ansible_collections.community.docker.plugins.module_utils._api import constants
 from ansible_collections.community.docker.tests.unit.plugins.module_utils._api.constants import (
     DEFAULT_DOCKER_API_VERSION,
@@ -16,6 +18,10 @@ from ansible_collections.community.docker.tests.unit.plugins.module_utils._api.c
 from . import fake_stat
 
 
+if t.TYPE_CHECKING:
+    from collections.abc import Callable
+
+
 CURRENT_VERSION = f"v{DEFAULT_DOCKER_API_VERSION}"
 
 FAKE_CONTAINER_ID = "3cc2351ab11b"
@@ -38,7 +44,7 @@ FAKE_SECRET_NAME = "super_secret"
 # for clarity and readability
 
 
-def get_fake_version():
+def get_fake_version() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {
         "ApiVersion": "1.35",
@@ -73,7 +79,7 @@ def get_fake_version():
     return status_code, response
 
 
-def get_fake_info():
+def get_fake_info() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {
         "Containers": 1,
@@ -86,23 +92,23 @@ def get_fake_info():
     return status_code, response
 
 
-def post_fake_auth():
+def post_fake_auth() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Status": "Login Succeeded", "IdentityToken": "9cbaf023786cd7"}
     return status_code, response
 
 
-def get_fake_ping():
+def get_fake_ping() -> tuple[int, str]:
     return 200, "OK"
 
 
-def get_fake_search():
+def get_fake_search() -> tuple[int, list[dict[str, t.Any]]]:
     status_code = 200
     response = [{"Name": "busybox", "Description": "Fake Description"}]
     return status_code, response
 
 
-def get_fake_images():
+def get_fake_images() -> tuple[int, list[dict[str, t.Any]]]:
     status_code = 200
     response = [
         {
@@ -115,7 +121,7 @@ def get_fake_images():
     return status_code, response
 
 
-def get_fake_image_history():
+def get_fake_image_history() -> tuple[int, list[dict[str, t.Any]]]:
     status_code = 200
     response = [
         {"Id": "b750fe79269d", "Created": 1364102658, "CreatedBy": "/bin/bash"},
@@ -125,14 +131,14 @@ def get_fake_image_history():
     return status_code, response
 
 
-def post_fake_import_image():
+def post_fake_import_image() -> tuple[int, str]:
     status_code = 200
     response = "Import messages..."
 
     return status_code, response
 
 
-def get_fake_containers():
+def get_fake_containers() -> tuple[int, list[dict[str, t.Any]]]:
     status_code = 200
     response = [
         {
@@ -146,25 +152,25 @@ def get_fake_containers():
     return status_code, response
 
 
-def post_fake_start_container():
+def post_fake_start_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_resize_container():
+def post_fake_resize_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_create_container():
+def post_fake_create_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def get_fake_inspect_container(tty=False):
+def get_fake_inspect_container(tty: bool = False) -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {
         "Id": FAKE_CONTAINER_ID,
@@ -188,7 +194,7 @@ def get_fake_inspect_container(tty=False):
     return status_code, response
 
 
-def get_fake_inspect_image():
+def get_fake_inspect_image() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {
         "Id": FAKE_IMAGE_ID,
@@ -221,19 +227,19 @@ def get_fake_inspect_image():
     return status_code, response
 
 
-def get_fake_insert_image():
+def get_fake_insert_image() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"StatusCode": 0}
     return status_code, response
 
 
-def get_fake_wait():
+def get_fake_wait() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"StatusCode": 0}
     return status_code, response
 
 
-def get_fake_logs():
+def get_fake_logs() -> tuple[int, bytes]:
     status_code = 200
     response = (
         b"\x01\x00\x00\x00\x00\x00\x00\x00"
@@ -244,13 +250,13 @@ def get_fake_logs():
     return status_code, response
 
 
-def get_fake_diff():
+def get_fake_diff() -> tuple[int, list[dict[str, t.Any]]]:
     status_code = 200
     response = [{"Path": "/test", "Kind": 1}]
     return status_code, response
 
 
-def get_fake_events():
+def get_fake_events() -> tuple[int, list[dict[str, t.Any]]]:
     status_code = 200
     response = [
         {
@@ -263,19 +269,19 @@ def get_fake_events():
     return status_code, response
 
 
-def get_fake_export():
+def get_fake_export() -> tuple[int, str]:
     status_code = 200
     response = "Byte Stream...."
     return status_code, response
 
 
-def post_fake_exec_create():
+def post_fake_exec_create() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_EXEC_ID}
     return status_code, response
 
 
-def post_fake_exec_start():
+def post_fake_exec_start() -> tuple[int, bytes]:
     status_code = 200
     response = (
         b"\x01\x00\x00\x00\x00\x00\x00\x11bin\nboot\ndev\netc\n"
@@ -285,12 +291,12 @@ def post_fake_exec_start():
     return status_code, response
 
 
-def post_fake_exec_resize():
+def post_fake_exec_resize() -> tuple[int, str]:
     status_code = 201
     return status_code, ""
 
 
-def get_fake_exec_inspect():
+def get_fake_exec_inspect() -> tuple[int, dict[str, t.Any]]:
     return 200, {
         "OpenStderr": True,
         "OpenStdout": True,
@@ -309,102 +315,102 @@ def get_fake_exec_inspect():
     }
 
 
-def post_fake_stop_container():
+def post_fake_stop_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_kill_container():
+def post_fake_kill_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_pause_container():
+def post_fake_pause_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_unpause_container():
+def post_fake_unpause_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_restart_container():
+def post_fake_restart_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_rename_container():
+def post_fake_rename_container() -> tuple[int, None]:
     status_code = 204
     return status_code, None
 
 
-def delete_fake_remove_container():
+def delete_fake_remove_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_image_create():
+def post_fake_image_create() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_IMAGE_ID}
     return status_code, response
 
 
-def delete_fake_remove_image():
+def delete_fake_remove_image() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_IMAGE_ID}
     return status_code, response
 
 
-def get_fake_get_image():
+def get_fake_get_image() -> tuple[int, str]:
     status_code = 200
     response = "Byte Stream...."
     return status_code, response
 
 
-def post_fake_load_image():
+def post_fake_load_image() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_IMAGE_ID}
     return status_code, response
 
 
-def post_fake_commit():
+def post_fake_commit() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_push():
+def post_fake_push() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_IMAGE_ID}
     return status_code, response
 
 
-def post_fake_build_container():
+def post_fake_build_container() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_CONTAINER_ID}
     return status_code, response
 
 
-def post_fake_tag_image():
+def post_fake_tag_image() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"Id": FAKE_IMAGE_ID}
     return status_code, response
 
 
-def get_fake_stats():
+def get_fake_stats() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = fake_stat.OBJ
     return status_code, response
 
 
-def get_fake_top():
+def get_fake_top() -> tuple[int, dict[str, t.Any]]:
     return 200, {
         "Processes": [
             [
@@ -431,7 +437,7 @@ def get_fake_top():
     }
 
 
-def get_fake_volume_list():
+def get_fake_volume_list() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {
         "Volumes": [
@@ -452,7 +458,7 @@ def get_fake_volume_list():
     return status_code, response
 
 
-def get_fake_volume():
+def get_fake_volume() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {
         "Name": "perfectcherryblossom",
@@ -464,23 +470,23 @@ def get_fake_volume():
     return status_code, response
 
 
-def fake_remove_volume():
+def fake_remove_volume() -> tuple[int, None]:
     return 204, None
 
 
-def post_fake_update_container():
+def post_fake_update_container() -> tuple[int, dict[str, t.Any]]:
     return 200, {"Warnings": []}
 
 
-def post_fake_update_node():
+def post_fake_update_node() -> tuple[int, None]:
     return 200, None
 
 
-def post_fake_join_swarm():
+def post_fake_join_swarm() -> tuple[int, None]:
     return 200, None
 
 
-def get_fake_network_list():
+def get_fake_network_list() -> tuple[int, list[dict[str, t.Any]]]:
     return 200, [
         {
             "Name": "bridge",
@@ -510,27 +516,27 @@ def get_fake_network_list():
     ]
 
 
-def get_fake_network():
+def get_fake_network() -> tuple[int, dict[str, t.Any]]:
     return 200, get_fake_network_list()[1][0]
 
 
-def post_fake_network():
+def post_fake_network() -> tuple[int, dict[str, t.Any]]:
     return 201, {"Id": FAKE_NETWORK_ID, "Warnings": []}
 
 
-def delete_fake_network():
+def delete_fake_network() -> tuple[int, None]:
     return 204, None
 
 
-def post_fake_network_connect():
+def post_fake_network_connect() -> tuple[int, None]:
     return 200, None
 
 
-def post_fake_network_disconnect():
+def post_fake_network_disconnect() -> tuple[int, None]:
     return 200, None
 
 
-def post_fake_secret():
+def post_fake_secret() -> tuple[int, dict[str, t.Any]]:
     status_code = 200
     response = {"ID": FAKE_SECRET_ID}
     return status_code, response
@@ -541,7 +547,7 @@ prefix = "http+docker://localhost"  # pylint: disable=invalid-name
 if constants.IS_WINDOWS_PLATFORM:
     prefix = "http+docker://localnpipe"  # pylint: disable=invalid-name
 
-fake_responses = {
+fake_responses: dict[str | tuple[str, str], Callable] = {
     f"{prefix}/version": get_fake_version,
     f"{prefix}/{CURRENT_VERSION}/version": get_fake_version,
     f"{prefix}/{CURRENT_VERSION}/info": get_fake_info,
@@ -574,6 +580,7 @@ fake_responses = {
     f"{prefix}/{CURRENT_VERSION}/containers/3cc2351ab11b/unpause": post_fake_unpause_container,
     f"{prefix}/{CURRENT_VERSION}/containers/3cc2351ab11b/restart": post_fake_restart_container,
     f"{prefix}/{CURRENT_VERSION}/containers/3cc2351ab11b": delete_fake_remove_container,
+    # TODO: the following is a duplicate of the import endpoint further above!
     f"{prefix}/{CURRENT_VERSION}/images/create": post_fake_image_create,
     f"{prefix}/{CURRENT_VERSION}/images/e9aa60c60128": delete_fake_remove_image,
     f"{prefix}/{CURRENT_VERSION}/images/e9aa60c60128/get": get_fake_get_image,

tests/unit/plugins/module_utils/_api/test_auth.py

@@ -15,6 +15,7 @@ import os.path
 import random
 import shutil
 import tempfile
+import typing as t
 import unittest
 from unittest import mock
 
@@ -30,7 +31,7 @@ from ansible_collections.community.docker.plugins.module_utils._api.credentials.
 
 
 class RegressionTest(unittest.TestCase):
-    def test_803_urlsafe_encode(self):
+    def test_803_urlsafe_encode(self) -> None:
         auth_data = {"username": "root", "password": "GR?XGR?XGR?XGR?X"}
         encoded = auth.encode_header(auth_data)
         assert b"/" not in encoded
@@ -38,75 +39,75 @@ class RegressionTest(unittest.TestCase):
 
 
 class ResolveRepositoryNameTest(unittest.TestCase):
-    def test_resolve_repository_name_hub_library_image(self):
+    def test_resolve_repository_name_hub_library_image(self) -> None:
         assert auth.resolve_repository_name("image") == ("docker.io", "image")
 
-    def test_resolve_repository_name_dotted_hub_library_image(self):
+    def test_resolve_repository_name_dotted_hub_library_image(self) -> None:
         assert auth.resolve_repository_name("image.valid") == (
             "docker.io",
             "image.valid",
         )
 
-    def test_resolve_repository_name_hub_image(self):
+    def test_resolve_repository_name_hub_image(self) -> None:
         assert auth.resolve_repository_name("username/image") == (
             "docker.io",
             "username/image",
         )
 
-    def test_explicit_hub_index_library_image(self):
+    def test_explicit_hub_index_library_image(self) -> None:
         assert auth.resolve_repository_name("docker.io/image") == ("docker.io", "image")
 
-    def test_explicit_legacy_hub_index_library_image(self):
+    def test_explicit_legacy_hub_index_library_image(self) -> None:
         assert auth.resolve_repository_name("index.docker.io/image") == (
             "docker.io",
             "image",
         )
 
-    def test_resolve_repository_name_private_registry(self):
+    def test_resolve_repository_name_private_registry(self) -> None:
         assert auth.resolve_repository_name("my.registry.net/image") == (
             "my.registry.net",
             "image",
         )
 
-    def test_resolve_repository_name_private_registry_with_port(self):
+    def test_resolve_repository_name_private_registry_with_port(self) -> None:
         assert auth.resolve_repository_name("my.registry.net:5000/image") == (
             "my.registry.net:5000",
             "image",
         )
 
-    def test_resolve_repository_name_private_registry_with_username(self):
+    def test_resolve_repository_name_private_registry_with_username(self) -> None:
         assert auth.resolve_repository_name("my.registry.net/username/image") == (
             "my.registry.net",
             "username/image",
         )
 
-    def test_resolve_repository_name_no_dots_but_port(self):
+    def test_resolve_repository_name_no_dots_but_port(self) -> None:
         assert auth.resolve_repository_name("hostname:5000/image") == (
             "hostname:5000",
             "image",
         )
 
-    def test_resolve_repository_name_no_dots_but_port_and_username(self):
+    def test_resolve_repository_name_no_dots_but_port_and_username(self) -> None:
         assert auth.resolve_repository_name("hostname:5000/username/image") == (
             "hostname:5000",
             "username/image",
         )
 
-    def test_resolve_repository_name_localhost(self):
+    def test_resolve_repository_name_localhost(self) -> None:
         assert auth.resolve_repository_name("localhost/image") == ("localhost", "image")
 
-    def test_resolve_repository_name_localhost_with_username(self):
+    def test_resolve_repository_name_localhost_with_username(self) -> None:
         assert auth.resolve_repository_name("localhost/username/image") == (
             "localhost",
             "username/image",
         )
 
-    def test_invalid_index_name(self):
+    def test_invalid_index_name(self) -> None:
         with pytest.raises(errors.InvalidRepository):
             auth.resolve_repository_name("-gecko.com/image")
 
 
-def encode_auth(auth_info):
+def encode_auth(auth_info: dict[str, t.Any]) -> bytes:
     return base64.b64encode(
         auth_info.get("username", "").encode("utf-8")
         + b":"
@@ -131,129 +132,105 @@ class ResolveAuthTest(unittest.TestCase):
         }
     )
 
-    def test_resolve_authconfig_hostname_only(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "my.registry.net")["username"]
-            == "privateuser"
-        )
+    def test_resolve_authconfig_hostname_only(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "my.registry.net")
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_authconfig_no_protocol(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "my.registry.net/v1/")["username"]
-            == "privateuser"
-        )
+    def test_resolve_authconfig_no_protocol(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "my.registry.net/v1/")
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_authconfig_no_path(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "http://my.registry.net")[
-                "username"
-            ]
-            == "privateuser"
-        )
+    def test_resolve_authconfig_no_path(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "http://my.registry.net")
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_authconfig_no_path_trailing_slash(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "http://my.registry.net/")[
-                "username"
-            ]
-            == "privateuser"
-        )
+    def test_resolve_authconfig_no_path_trailing_slash(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "http://my.registry.net/")
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_authconfig_no_path_wrong_secure_proto(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "https://my.registry.net")[
-                "username"
-            ]
-            == "privateuser"
-        )
+    def test_resolve_authconfig_no_path_wrong_secure_proto(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "https://my.registry.net")
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_authconfig_no_path_wrong_insecure_proto(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "http://index.docker.io")[
-                "username"
-            ]
-            == "indexuser"
-        )
+    def test_resolve_authconfig_no_path_wrong_insecure_proto(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "http://index.docker.io")
+        assert ac is not None
+        assert ac["username"] == "indexuser"
 
-    def test_resolve_authconfig_path_wrong_proto(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "https://my.registry.net/v1/")[
-                "username"
-            ]
-            == "privateuser"
-        )
+    def test_resolve_authconfig_path_wrong_proto(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "https://my.registry.net/v1/")
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_authconfig_default_registry(self):
-        assert auth.resolve_authconfig(self.auth_config)["username"] == "indexuser"
+    def test_resolve_authconfig_default_registry(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config)
+        assert ac is not None
+        assert ac["username"] == "indexuser"
 
-    def test_resolve_authconfig_default_explicit_none(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, None)["username"] == "indexuser"
-        )
+    def test_resolve_authconfig_default_explicit_none(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, None)
+        assert ac is not None
+        assert ac["username"] == "indexuser"
 
-    def test_resolve_authconfig_fully_explicit(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "http://my.registry.net/v1/")[
-                "username"
-            ]
-            == "privateuser"
-        )
+    def test_resolve_authconfig_fully_explicit(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "http://my.registry.net/v1/")
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_authconfig_legacy_config(self):
-        assert (
-            auth.resolve_authconfig(self.auth_config, "legacy.registry.url")["username"]
-            == "legacyauth"
-        )
+    def test_resolve_authconfig_legacy_config(self) -> None:
+        ac = auth.resolve_authconfig(self.auth_config, "legacy.registry.url")
+        assert ac is not None
+        assert ac["username"] == "legacyauth"
 
-    def test_resolve_authconfig_no_match(self):
+    def test_resolve_authconfig_no_match(self) -> None:
         assert auth.resolve_authconfig(self.auth_config, "does.not.exist") is None
 
-    def test_resolve_registry_and_auth_library_image(self):
+    def test_resolve_registry_and_auth_library_image(self) -> None:
         image = "image"
-        assert (
-            auth.resolve_authconfig(
-                self.auth_config, auth.resolve_repository_name(image)[0]
-            )["username"]
-            == "indexuser"
+        ac = auth.resolve_authconfig(
+            self.auth_config, auth.resolve_repository_name(image)[0]
         )
+        assert ac is not None
+        assert ac["username"] == "indexuser"
 
-    def test_resolve_registry_and_auth_hub_image(self):
+    def test_resolve_registry_and_auth_hub_image(self) -> None:
         image = "username/image"
-        assert (
-            auth.resolve_authconfig(
-                self.auth_config, auth.resolve_repository_name(image)[0]
-            )["username"]
-            == "indexuser"
+        ac = auth.resolve_authconfig(
+            self.auth_config, auth.resolve_repository_name(image)[0]
         )
+        assert ac is not None
+        assert ac["username"] == "indexuser"
 
-    def test_resolve_registry_and_auth_explicit_hub(self):
+    def test_resolve_registry_and_auth_explicit_hub(self) -> None:
         image = "docker.io/username/image"
-        assert (
-            auth.resolve_authconfig(
-                self.auth_config, auth.resolve_repository_name(image)[0]
-            )["username"]
-            == "indexuser"
+        ac = auth.resolve_authconfig(
+            self.auth_config, auth.resolve_repository_name(image)[0]
         )
+        assert ac is not None
+        assert ac["username"] == "indexuser"
 
-    def test_resolve_registry_and_auth_explicit_legacy_hub(self):
+    def test_resolve_registry_and_auth_explicit_legacy_hub(self) -> None:
         image = "index.docker.io/username/image"
-        assert (
-            auth.resolve_authconfig(
-                self.auth_config, auth.resolve_repository_name(image)[0]
-            )["username"]
-            == "indexuser"
+        ac = auth.resolve_authconfig(
+            self.auth_config, auth.resolve_repository_name(image)[0]
         )
+        assert ac is not None
+        assert ac["username"] == "indexuser"
 
-    def test_resolve_registry_and_auth_private_registry(self):
+    def test_resolve_registry_and_auth_private_registry(self) -> None:
         image = "my.registry.net/image"
-        assert (
-            auth.resolve_authconfig(
-                self.auth_config, auth.resolve_repository_name(image)[0]
-            )["username"]
-            == "privateuser"
+        ac = auth.resolve_authconfig(
+            self.auth_config, auth.resolve_repository_name(image)[0]
         )
+        assert ac is not None
+        assert ac["username"] == "privateuser"
 
-    def test_resolve_registry_and_auth_unauthenticated_registry(self):
+    def test_resolve_registry_and_auth_unauthenticated_registry(self) -> None:
         image = "other.registry.net/image"
         assert (
             auth.resolve_authconfig(
@@ -262,7 +239,7 @@ class ResolveAuthTest(unittest.TestCase):
             is None
         )
 
-    def test_resolve_auth_with_empty_credstore_and_auth_dict(self):
+    def test_resolve_auth_with_empty_credstore_and_auth_dict(self) -> None:
         auth_config = auth.AuthConfig(
             {
                 "auths": auth.parse_auth(
@@ -277,17 +254,19 @@ class ResolveAuthTest(unittest.TestCase):
             "ansible_collections.community.docker.plugins.module_utils._api.auth.AuthConfig._resolve_authconfig_credstore"
         ) as m:
             m.return_value = None
-            assert "indexuser" == auth.resolve_authconfig(auth_config, None)["username"]
+            ac = auth.resolve_authconfig(auth_config, None)
+            assert ac is not None
+            assert "indexuser" == ac["username"]
 
 
 class LoadConfigTest(unittest.TestCase):
-    def test_load_config_no_file(self):
+    def test_load_config_no_file(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         cfg = auth.load_config(folder)
         assert cfg is not None
 
-    def test_load_legacy_config(self):
+    def test_load_legacy_config(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         cfg_path = os.path.join(folder, ".dockercfg")
@@ -299,13 +278,13 @@ class LoadConfigTest(unittest.TestCase):
         cfg = auth.load_config(cfg_path)
         assert auth.resolve_authconfig(cfg) is not None
         assert cfg.auths[auth.INDEX_NAME] is not None
-        cfg = cfg.auths[auth.INDEX_NAME]
-        assert cfg["username"] == "sakuya"
-        assert cfg["password"] == "izayoi"
-        assert cfg["email"] == "sakuya@scarlet.net"
-        assert cfg.get("Auth") is None
+        cfg2 = cfg.auths[auth.INDEX_NAME]
+        assert cfg2["username"] == "sakuya"
+        assert cfg2["password"] == "izayoi"
+        assert cfg2["email"] == "sakuya@scarlet.net"
+        assert cfg2.get("Auth") is None
 
-    def test_load_json_config(self):
+    def test_load_json_config(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         cfg_path = os.path.join(folder, ".dockercfg")
@@ -316,13 +295,13 @@ class LoadConfigTest(unittest.TestCase):
         cfg = auth.load_config(cfg_path)
         assert auth.resolve_authconfig(cfg) is not None
         assert cfg.auths[auth.INDEX_URL] is not None
-        cfg = cfg.auths[auth.INDEX_URL]
-        assert cfg["username"] == "sakuya"
-        assert cfg["password"] == "izayoi"
-        assert cfg["email"] == email
-        assert cfg.get("Auth") is None
+        cfg2 = cfg.auths[auth.INDEX_URL]
+        assert cfg2["username"] == "sakuya"
+        assert cfg2["password"] == "izayoi"
+        assert cfg2["email"] == email
+        assert cfg2.get("Auth") is None
 
-    def test_load_modern_json_config(self):
+    def test_load_modern_json_config(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         cfg_path = os.path.join(folder, "config.json")
@@ -333,12 +312,12 @@ class LoadConfigTest(unittest.TestCase):
         cfg = auth.load_config(cfg_path)
         assert auth.resolve_authconfig(cfg) is not None
         assert cfg.auths[auth.INDEX_URL] is not None
-        cfg = cfg.auths[auth.INDEX_URL]
-        assert cfg["username"] == "sakuya"
-        assert cfg["password"] == "izayoi"
-        assert cfg["email"] == email
+        cfg2 = cfg.auths[auth.INDEX_URL]
+        assert cfg2["username"] == "sakuya"
+        assert cfg2["password"] == "izayoi"
+        assert cfg2["email"] == email
 
-    def test_load_config_with_random_name(self):
+    def test_load_config_with_random_name(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
 
@@ -353,13 +332,13 @@ class LoadConfigTest(unittest.TestCase):
         cfg = auth.load_config(dockercfg_path).auths
         assert registry in cfg
         assert cfg[registry] is not None
-        cfg = cfg[registry]
-        assert cfg["username"] == "sakuya"
-        assert cfg["password"] == "izayoi"
-        assert cfg["email"] == "sakuya@scarlet.net"
-        assert cfg.get("auth") is None
+        cfg2 = cfg[registry]
+        assert cfg2["username"] == "sakuya"
+        assert cfg2["password"] == "izayoi"
+        assert cfg2["email"] == "sakuya@scarlet.net"
+        assert cfg2.get("auth") is None
 
-    def test_load_config_custom_config_env(self):
+    def test_load_config_custom_config_env(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
 
@@ -375,13 +354,13 @@ class LoadConfigTest(unittest.TestCase):
             cfg = auth.load_config(None).auths
             assert registry in cfg
             assert cfg[registry] is not None
-            cfg = cfg[registry]
-            assert cfg["username"] == "sakuya"
-            assert cfg["password"] == "izayoi"
-            assert cfg["email"] == "sakuya@scarlet.net"
-            assert cfg.get("auth") is None
+            cfg2 = cfg[registry]
+            assert cfg2["username"] == "sakuya"
+            assert cfg2["password"] == "izayoi"
+            assert cfg2["email"] == "sakuya@scarlet.net"
+            assert cfg2.get("auth") is None
 
-    def test_load_config_custom_config_env_with_auths(self):
+    def test_load_config_custom_config_env_with_auths(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
 
@@ -398,13 +377,13 @@ class LoadConfigTest(unittest.TestCase):
         with mock.patch.dict(os.environ, {"DOCKER_CONFIG": folder}):
             cfg = auth.load_config(None)
             assert registry in cfg.auths
-            cfg = cfg.auths[registry]
-            assert cfg["username"] == "sakuya"
-            assert cfg["password"] == "izayoi"
-            assert cfg["email"] == "sakuya@scarlet.net"
-            assert cfg.get("auth") is None
+            cfg2 = cfg.auths[registry]
+            assert cfg2["username"] == "sakuya"
+            assert cfg2["password"] == "izayoi"
+            assert cfg2["email"] == "sakuya@scarlet.net"
+            assert cfg2.get("auth") is None
 
-    def test_load_config_custom_config_env_utf8(self):
+    def test_load_config_custom_config_env_utf8(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
 
@@ -421,13 +400,13 @@ class LoadConfigTest(unittest.TestCase):
         with mock.patch.dict(os.environ, {"DOCKER_CONFIG": folder}):
             cfg = auth.load_config(None)
             assert registry in cfg.auths
-            cfg = cfg.auths[registry]
-            assert cfg["username"] == b"sakuya\xc3\xa6".decode("utf8")
-            assert cfg["password"] == b"izayoi\xc3\xa6".decode("utf8")
-            assert cfg["email"] == "sakuya@scarlet.net"
-            assert cfg.get("auth") is None
+            cfg2 = cfg.auths[registry]
+            assert cfg2["username"] == b"sakuya\xc3\xa6".decode("utf8")
+            assert cfg2["password"] == b"izayoi\xc3\xa6".decode("utf8")
+            assert cfg2["email"] == "sakuya@scarlet.net"
+            assert cfg2.get("auth") is None
 
-    def test_load_config_unknown_keys(self):
+    def test_load_config_unknown_keys(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         dockercfg_path = os.path.join(folder, "config.json")
@@ -438,7 +417,7 @@ class LoadConfigTest(unittest.TestCase):
         cfg = auth.load_config(dockercfg_path)
         assert dict(cfg) == {"auths": {}}
 
-    def test_load_config_invalid_auth_dict(self):
+    def test_load_config_invalid_auth_dict(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         dockercfg_path = os.path.join(folder, "config.json")
@@ -449,7 +428,7 @@ class LoadConfigTest(unittest.TestCase):
         cfg = auth.load_config(dockercfg_path)
         assert dict(cfg) == {"auths": {"scarlet.net": {}}}
 
-    def test_load_config_identity_token(self):
+    def test_load_config_identity_token(self) -> None:
         folder = tempfile.mkdtemp()
         registry = "scarlet.net"
         token = "1ce1cebb-503e-7043-11aa-7feb8bd4a1ce"
@@ -462,13 +441,13 @@ class LoadConfigTest(unittest.TestCase):
 
         cfg = auth.load_config(dockercfg_path)
         assert registry in cfg.auths
-        cfg = cfg.auths[registry]
-        assert "IdentityToken" in cfg
-        assert cfg["IdentityToken"] == token
+        cfg2 = cfg.auths[registry]
+        assert "IdentityToken" in cfg2
+        assert cfg2["IdentityToken"] == token
 
 
 class CredstoreTest(unittest.TestCase):
-    def setUp(self):
+    def setUp(self) -> None:
         self.authconfig = auth.AuthConfig({"credsStore": "default"})
         self.default_store = InMemoryStore("default")
         self.authconfig._stores["default"] = self.default_store
@@ -483,7 +462,7 @@ class CredstoreTest(unittest.TestCase):
             "hunter2",
         )
 
-    def test_get_credential_store(self):
+    def test_get_credential_store(self) -> None:
         auth_config = auth.AuthConfig(
             {
                 "credHelpers": {
@@ -498,7 +477,7 @@ class CredstoreTest(unittest.TestCase):
         assert auth_config.get_credential_store("registry2.io") == "powerlock"
         assert auth_config.get_credential_store("registry3.io") == "blackbox"
 
-    def test_get_credential_store_no_default(self):
+    def test_get_credential_store_no_default(self) -> None:
         auth_config = auth.AuthConfig(
             {
                 "credHelpers": {
@@ -510,7 +489,7 @@ class CredstoreTest(unittest.TestCase):
         assert auth_config.get_credential_store("registry2.io") == "powerlock"
         assert auth_config.get_credential_store("registry3.io") is None
 
-    def test_get_credential_store_default_index(self):
+    def test_get_credential_store_default_index(self) -> None:
         auth_config = auth.AuthConfig(
             {
                 "credHelpers": {"https://index.docker.io/v1/": "powerlock"},
@@ -522,7 +501,7 @@ class CredstoreTest(unittest.TestCase):
         assert auth_config.get_credential_store("docker.io") == "powerlock"
         assert auth_config.get_credential_store("images.io") == "truesecret"
 
-    def test_get_credential_store_with_plain_dict(self):
+    def test_get_credential_store_with_plain_dict(self) -> None:
         auth_config = {
             "credHelpers": {"registry1.io": "truesecret", "registry2.io": "powerlock"},
             "credsStore": "blackbox",
@@ -532,7 +511,7 @@ class CredstoreTest(unittest.TestCase):
         assert auth.get_credential_store(auth_config, "registry2.io") == "powerlock"
         assert auth.get_credential_store(auth_config, "registry3.io") == "blackbox"
 
-    def test_get_all_credentials_credstore_only(self):
+    def test_get_all_credentials_credstore_only(self) -> None:
         assert self.authconfig.get_all_credentials() == {
             "https://gensokyo.jp/v2": {
                 "Username": "sakuya",
@@ -556,7 +535,7 @@ class CredstoreTest(unittest.TestCase):
             },
         }
 
-    def test_get_all_credentials_with_empty_credhelper(self):
+    def test_get_all_credentials_with_empty_credhelper(self) -> None:
         self.authconfig["credHelpers"] = {
             "registry1.io": "truesecret",
         }
@@ -585,7 +564,7 @@ class CredstoreTest(unittest.TestCase):
             "registry1.io": None,
         }
 
-    def test_get_all_credentials_with_credhelpers_only(self):
+    def test_get_all_credentials_with_credhelpers_only(self) -> None:
         del self.authconfig["credsStore"]
         assert self.authconfig.get_all_credentials() == {}
 
@@ -617,7 +596,7 @@ class CredstoreTest(unittest.TestCase):
             },
         }
 
-    def test_get_all_credentials_with_auths_entries(self):
+    def test_get_all_credentials_with_auths_entries(self) -> None:
         self.authconfig.add_auth(
             "registry1.io",
             {
@@ -655,7 +634,7 @@ class CredstoreTest(unittest.TestCase):
             },
         }
 
-    def test_get_all_credentials_with_empty_auths_entry(self):
+    def test_get_all_credentials_with_empty_auths_entry(self) -> None:
         self.authconfig.add_auth("default.com", {})
 
         assert self.authconfig.get_all_credentials() == {
@@ -681,7 +660,7 @@ class CredstoreTest(unittest.TestCase):
             },
         }
 
-    def test_get_all_credentials_credstore_overrides_auth_entry(self):
+    def test_get_all_credentials_credstore_overrides_auth_entry(self) -> None:
         self.authconfig.add_auth(
             "default.com",
             {
@@ -714,7 +693,7 @@ class CredstoreTest(unittest.TestCase):
             },
         }
 
-    def test_get_all_credentials_helpers_override_default(self):
+    def test_get_all_credentials_helpers_override_default(self) -> None:
         self.authconfig["credHelpers"] = {
             "https://default.com/v2": "truesecret",
         }
@@ -744,7 +723,7 @@ class CredstoreTest(unittest.TestCase):
             },
         }
 
-    def test_get_all_credentials_3_sources(self):
+    def test_get_all_credentials_3_sources(self) -> None:
         self.authconfig["credHelpers"] = {
             "registry1.io": "truesecret",
         }
@@ -795,24 +774,27 @@ class CredstoreTest(unittest.TestCase):
 
 
 class InMemoryStore(Store):
-    def __init__(self, *args, **kwargs):  # pylint: disable=super-init-not-called
-        self.__store = {}
+    def __init__(  # pylint: disable=super-init-not-called
+        self, *args: t.Any, **kwargs: t.Any
+    ) -> None:
+        self.__store: dict[str | bytes, dict[str, t.Any]] = {}
 
-    def get(self, server):
+    def get(self, server: str | bytes) -> dict[str, t.Any]:
         try:
             return self.__store[server]
         except KeyError:
             raise CredentialsNotFound() from None
 
-    def store(self, server, username, secret):
+    def store(self, server: str, username: str, secret: str) -> bytes:
         self.__store[server] = {
             "ServerURL": server,
             "Username": username,
             "Secret": secret,
         }
+        return b""
 
-    def list(self):
+    def list(self) -> dict[str | bytes, str]:
         return dict((k, v["Username"]) for k, v in self.__store.items())
 
-    def erase(self, server):
+    def erase(self, server: str | bytes) -> None:
         del self.__store[server]

tests/unit/plugins/module_utils/_api/test_context.py

@@ -28,20 +28,20 @@ from ansible_collections.community.docker.plugins.module_utils._api.context.cont
 
 class BaseContextTest(unittest.TestCase):
     @pytest.mark.skipif(IS_WINDOWS_PLATFORM, reason="Linux specific path check")
-    def test_url_compatibility_on_linux(self):
+    def test_url_compatibility_on_linux(self) -> None:
         c = Context("test")
         assert c.Host == DEFAULT_UNIX_SOCKET[5:]
 
     @pytest.mark.skipif(not IS_WINDOWS_PLATFORM, reason="Windows specific path check")
-    def test_url_compatibility_on_windows(self):
+    def test_url_compatibility_on_windows(self) -> None:
         c = Context("test")
         assert c.Host == DEFAULT_NPIPE
 
-    def test_fail_on_default_context_create(self):
+    def test_fail_on_default_context_create(self) -> None:
         with pytest.raises(errors.ContextException):
             ContextAPI.create_context("default")
 
-    def test_default_in_context_list(self):
+    def test_default_in_context_list(self) -> None:
         found = False
         ctx = ContextAPI.contexts()
         for c in ctx:
@@ -49,14 +49,16 @@ class BaseContextTest(unittest.TestCase):
                 found = True
         assert found is True
 
-    def test_get_current_context(self):
-        assert ContextAPI.get_current_context().Name == "default"
+    def test_get_current_context(self) -> None:
+        context = ContextAPI.get_current_context()
+        assert context is not None
+        assert context.Name == "default"
 
-    def test_https_host(self):
+    def test_https_host(self) -> None:
         c = Context("test", host="tcp://testdomain:8080", tls=True)
         assert c.Host == "https://testdomain:8080"
 
-    def test_context_inspect_without_params(self):
+    def test_context_inspect_without_params(self) -> None:
         ctx = ContextAPI.inspect_context()
         assert ctx["Name"] == "default"
         assert ctx["Metadata"]["StackOrchestrator"] == "swarm"

tests/unit/plugins/module_utils/_api/test_errors.py

@@ -21,97 +21,97 @@ from ansible_collections.community.docker.plugins.module_utils._api.errors impor
 
 
 class APIErrorTest(unittest.TestCase):
-    def test_api_error_is_caught_by_dockerexception(self):
+    def test_api_error_is_caught_by_dockerexception(self) -> None:
         try:
             raise APIError("this should be caught by DockerException")
         except DockerException:
             pass
 
-    def test_status_code_200(self):
+    def test_status_code_200(self) -> None:
         """The status_code property is present with 200 response."""
         resp = requests.Response()
         resp.status_code = 200
         err = APIError("", response=resp)
         assert err.status_code == 200
 
-    def test_status_code_400(self):
+    def test_status_code_400(self) -> None:
         """The status_code property is present with 400 response."""
         resp = requests.Response()
         resp.status_code = 400
         err = APIError("", response=resp)
         assert err.status_code == 400
 
-    def test_status_code_500(self):
+    def test_status_code_500(self) -> None:
         """The status_code property is present with 500 response."""
         resp = requests.Response()
         resp.status_code = 500
         err = APIError("", response=resp)
         assert err.status_code == 500
 
-    def test_is_server_error_200(self):
+    def test_is_server_error_200(self) -> None:
         """Report not server error on 200 response."""
         resp = requests.Response()
         resp.status_code = 200
         err = APIError("", response=resp)
         assert err.is_server_error() is False
 
-    def test_is_server_error_300(self):
+    def test_is_server_error_300(self) -> None:
         """Report not server error on 300 response."""
         resp = requests.Response()
         resp.status_code = 300
         err = APIError("", response=resp)
         assert err.is_server_error() is False
 
-    def test_is_server_error_400(self):
+    def test_is_server_error_400(self) -> None:
         """Report not server error on 400 response."""
         resp = requests.Response()
         resp.status_code = 400
         err = APIError("", response=resp)
         assert err.is_server_error() is False
 
-    def test_is_server_error_500(self):
+    def test_is_server_error_500(self) -> None:
         """Report server error on 500 response."""
         resp = requests.Response()
         resp.status_code = 500
         err = APIError("", response=resp)
         assert err.is_server_error() is True
 
-    def test_is_client_error_500(self):
+    def test_is_client_error_500(self) -> None:
         """Report not client error on 500 response."""
         resp = requests.Response()
         resp.status_code = 500
         err = APIError("", response=resp)
         assert err.is_client_error() is False
 
-    def test_is_client_error_400(self):
+    def test_is_client_error_400(self) -> None:
         """Report client error on 400 response."""
         resp = requests.Response()
         resp.status_code = 400
         err = APIError("", response=resp)
         assert err.is_client_error() is True
 
-    def test_is_error_300(self):
+    def test_is_error_300(self) -> None:
         """Report no error on 300 response."""
         resp = requests.Response()
         resp.status_code = 300
         err = APIError("", response=resp)
         assert err.is_error() is False
 
-    def test_is_error_400(self):
+    def test_is_error_400(self) -> None:
         """Report error on 400 response."""
         resp = requests.Response()
         resp.status_code = 400
         err = APIError("", response=resp)
         assert err.is_error() is True
 
-    def test_is_error_500(self):
+    def test_is_error_500(self) -> None:
         """Report error on 500 response."""
         resp = requests.Response()
         resp.status_code = 500
         err = APIError("", response=resp)
         assert err.is_error() is True
 
-    def test_create_error_from_exception(self):
+    def test_create_error_from_exception(self) -> None:
         resp = requests.Response()
         resp.status_code = 500
         err = APIError("")
@@ -126,10 +126,10 @@ class APIErrorTest(unittest.TestCase):
 
 
 class CreateUnexpectedKwargsErrorTest(unittest.TestCase):
-    def test_create_unexpected_kwargs_error_single(self):
+    def test_create_unexpected_kwargs_error_single(self) -> None:
         e = create_unexpected_kwargs_error("f", {"foo": "bar"})
         assert str(e) == "f() got an unexpected keyword argument 'foo'"
 
-    def test_create_unexpected_kwargs_error_multiple(self):
+    def test_create_unexpected_kwargs_error_multiple(self) -> None:
         e = create_unexpected_kwargs_error("f", {"foo": "bar", "baz": "bosh"})
         assert str(e) == "f() got unexpected keyword arguments 'baz', 'foo'"

tests/unit/plugins/module_utils/_api/transport/test_sshconn.py

@@ -18,33 +18,33 @@ from ansible_collections.community.docker.plugins.module_utils._api.transport.ss
 
 class SSHAdapterTest(unittest.TestCase):
     @staticmethod
-    def test_ssh_hostname_prefix_trim():
+    def test_ssh_hostname_prefix_trim() -> None:
         conn = SSHHTTPAdapter(base_url="ssh://user@hostname:1234", shell_out=True)
         assert conn.ssh_host == "user@hostname:1234"
 
     @staticmethod
-    def test_ssh_parse_url():
+    def test_ssh_parse_url() -> None:
         c = SSHSocket(host="user@hostname:1234")
         assert c.host == "hostname"
         assert c.port == "1234"
         assert c.user == "user"
 
     @staticmethod
-    def test_ssh_parse_hostname_only():
+    def test_ssh_parse_hostname_only() -> None:
         c = SSHSocket(host="hostname")
         assert c.host == "hostname"
         assert c.port is None
         assert c.user is None
 
     @staticmethod
-    def test_ssh_parse_user_and_hostname():
+    def test_ssh_parse_user_and_hostname() -> None:
         c = SSHSocket(host="user@hostname")
         assert c.host == "hostname"
         assert c.port is None
         assert c.user == "user"
 
     @staticmethod
-    def test_ssh_parse_hostname_and_port():
+    def test_ssh_parse_hostname_and_port() -> None:
         c = SSHSocket(host="hostname:22")
         assert c.host == "hostname"
         assert c.port == "22"

tests/unit/plugins/module_utils/_api/transport/test_ssladapter.py

@@ -27,7 +27,7 @@ else:
 
 
 class SSLAdapterTest(unittest.TestCase):
-    def test_only_uses_tls(self):
+    def test_only_uses_tls(self) -> None:
         ssl_context = ssladapter.urllib3.util.ssl_.create_urllib3_context()
 
         assert ssl_context.options & OP_NO_SSLv3
@@ -68,19 +68,19 @@ class MatchHostnameTest(unittest.TestCase):
         "version": 3,
     }
 
-    def test_match_ip_address_success(self):
+    def test_match_ip_address_success(self) -> None:
         assert match_hostname(self.cert, "127.0.0.1") is None
 
-    def test_match_localhost_success(self):
+    def test_match_localhost_success(self) -> None:
         assert match_hostname(self.cert, "localhost") is None
 
-    def test_match_dns_success(self):
+    def test_match_dns_success(self) -> None:
         assert match_hostname(self.cert, "touhou.gensokyo.jp") is None
 
-    def test_match_ip_address_failure(self):
+    def test_match_ip_address_failure(self) -> None:
         with pytest.raises(CertificateError):
             match_hostname(self.cert, "192.168.0.25")
 
-    def test_match_dns_failure(self):
+    def test_match_dns_failure(self) -> None:
         with pytest.raises(CertificateError):
             match_hostname(self.cert, "foobar.co.uk")

tests/unit/plugins/module_utils/_api/utils/test_build.py

@@ -14,6 +14,7 @@ import shutil
 import socket
 import tarfile
 import tempfile
+import typing as t
 import unittest
 
 import pytest
@@ -27,7 +28,11 @@ from ansible_collections.community.docker.plugins.module_utils._api.utils.build
 )
 
 
-def make_tree(dirs, files):
+if t.TYPE_CHECKING:
+    from collections.abc import Collection
+
+
+def make_tree(dirs: list[str], files: list[str]) -> str:
     base = tempfile.mkdtemp()
 
     for path in dirs:
@@ -40,11 +45,11 @@ def make_tree(dirs, files):
     return base
 
 
-def convert_paths(collection):
+def convert_paths(collection: Collection[str]) -> set[str]:
     return set(map(convert_path, collection))
 
 
-def convert_path(path):
+def convert_path(path: str) -> str:
     return path.replace("/", os.path.sep)
 
 
@@ -88,26 +93,26 @@ class ExcludePathsTest(unittest.TestCase):
 
     all_paths = set(dirs + files)
 
-    def setUp(self):
+    def setUp(self) -> None:
         self.base = make_tree(self.dirs, self.files)
 
-    def tearDown(self):
+    def tearDown(self) -> None:
         shutil.rmtree(self.base)
 
-    def exclude(self, patterns, dockerfile=None):
+    def exclude(self, patterns: list[str], dockerfile: str | None = None) -> set[str]:
         return set(exclude_paths(self.base, patterns, dockerfile=dockerfile))
 
-    def test_no_excludes(self):
+    def test_no_excludes(self) -> None:
         assert self.exclude([""]) == convert_paths(self.all_paths)
 
-    def test_no_dupes(self):
+    def test_no_dupes(self) -> None:
         paths = exclude_paths(self.base, ["!a.py"])
         assert sorted(paths) == sorted(set(paths))
 
-    def test_wildcard_exclude(self):
+    def test_wildcard_exclude(self) -> None:
         assert self.exclude(["*"]) == set(["Dockerfile", ".dockerignore"])
 
-    def test_exclude_dockerfile_dockerignore(self):
+    def test_exclude_dockerfile_dockerignore(self) -> None:
         """
         Even if the .dockerignore file explicitly says to exclude
         Dockerfile and/or .dockerignore, don't exclude them from
@@ -117,7 +122,7 @@ class ExcludePathsTest(unittest.TestCase):
             self.all_paths
         )
 
-    def test_exclude_custom_dockerfile(self):
+    def test_exclude_custom_dockerfile(self) -> None:
         """
         If we're using a custom Dockerfile, make sure that's not
         excluded.
@@ -135,33 +140,33 @@ class ExcludePathsTest(unittest.TestCase):
             set(["foo/Dockerfile3", ".dockerignore"])
         )
 
-    def test_exclude_dockerfile_child(self):
+    def test_exclude_dockerfile_child(self) -> None:
         includes = self.exclude(["foo/"], dockerfile="foo/Dockerfile3")
         assert convert_path("foo/Dockerfile3") in includes
         assert convert_path("foo/a.py") not in includes
 
-    def test_single_filename(self):
+    def test_single_filename(self) -> None:
         assert self.exclude(["a.py"]) == convert_paths(self.all_paths - set(["a.py"]))
 
-    def test_single_filename_leading_dot_slash(self):
+    def test_single_filename_leading_dot_slash(self) -> None:
         assert self.exclude(["./a.py"]) == convert_paths(self.all_paths - set(["a.py"]))
 
     # As odd as it sounds, a filename pattern with a trailing slash on the
     # end *will* result in that file being excluded.
-    def test_single_filename_trailing_slash(self):
+    def test_single_filename_trailing_slash(self) -> None:
         assert self.exclude(["a.py/"]) == convert_paths(self.all_paths - set(["a.py"]))
 
-    def test_wildcard_filename_start(self):
+    def test_wildcard_filename_start(self) -> None:
         assert self.exclude(["*.py"]) == convert_paths(
             self.all_paths - set(["a.py", "b.py", "cde.py"])
         )
 
-    def test_wildcard_with_exception(self):
+    def test_wildcard_with_exception(self) -> None:
         assert self.exclude(["*.py", "!b.py"]) == convert_paths(
             self.all_paths - set(["a.py", "cde.py"])
         )
 
-    def test_wildcard_with_wildcard_exception(self):
+    def test_wildcard_with_wildcard_exception(self) -> None:
         assert self.exclude(["*.*", "!*.go"]) == convert_paths(
             self.all_paths
             - set(
@@ -174,51 +179,51 @@ class ExcludePathsTest(unittest.TestCase):
             )
         )
 
-    def test_wildcard_filename_end(self):
+    def test_wildcard_filename_end(self) -> None:
         assert self.exclude(["a.*"]) == convert_paths(
             self.all_paths - set(["a.py", "a.go"])
         )
 
-    def test_question_mark(self):
+    def test_question_mark(self) -> None:
         assert self.exclude(["?.py"]) == convert_paths(
             self.all_paths - set(["a.py", "b.py"])
         )
 
-    def test_single_subdir_single_filename(self):
+    def test_single_subdir_single_filename(self) -> None:
         assert self.exclude(["foo/a.py"]) == convert_paths(
             self.all_paths - set(["foo/a.py"])
         )
 
-    def test_single_subdir_single_filename_leading_slash(self):
+    def test_single_subdir_single_filename_leading_slash(self) -> None:
         assert self.exclude(["/foo/a.py"]) == convert_paths(
             self.all_paths - set(["foo/a.py"])
         )
 
-    def test_exclude_include_absolute_path(self):
+    def test_exclude_include_absolute_path(self) -> None:
         base = make_tree([], ["a.py", "b.py"])
         assert exclude_paths(base, ["/*", "!/*.py"]) == set(["a.py", "b.py"])
 
-    def test_single_subdir_with_path_traversal(self):
+    def test_single_subdir_with_path_traversal(self) -> None:
         assert self.exclude(["foo/whoops/../a.py"]) == convert_paths(
             self.all_paths - set(["foo/a.py"])
         )
 
-    def test_single_subdir_wildcard_filename(self):
+    def test_single_subdir_wildcard_filename(self) -> None:
         assert self.exclude(["foo/*.py"]) == convert_paths(
             self.all_paths - set(["foo/a.py", "foo/b.py"])
         )
 
-    def test_wildcard_subdir_single_filename(self):
+    def test_wildcard_subdir_single_filename(self) -> None:
         assert self.exclude(["*/a.py"]) == convert_paths(
             self.all_paths - set(["foo/a.py", "bar/a.py"])
         )
 
-    def test_wildcard_subdir_wildcard_filename(self):
+    def test_wildcard_subdir_wildcard_filename(self) -> None:
         assert self.exclude(["*/*.py"]) == convert_paths(
             self.all_paths - set(["foo/a.py", "foo/b.py", "bar/a.py"])
         )
 
-    def test_directory(self):
+    def test_directory(self) -> None:
         assert self.exclude(["foo"]) == convert_paths(
             self.all_paths
             - set(
@@ -233,7 +238,7 @@ class ExcludePathsTest(unittest.TestCase):
             )
         )
 
-    def test_directory_with_trailing_slash(self):
+    def test_directory_with_trailing_slash(self) -> None:
         assert self.exclude(["foo"]) == convert_paths(
             self.all_paths
             - set(
@@ -248,13 +253,13 @@ class ExcludePathsTest(unittest.TestCase):
             )
         )
 
-    def test_directory_with_single_exception(self):
+    def test_directory_with_single_exception(self) -> None:
         assert self.exclude(["foo", "!foo/bar/a.py"]) == convert_paths(
             self.all_paths
             - set(["foo/a.py", "foo/b.py", "foo", "foo/bar", "foo/Dockerfile3"])
         )
 
-    def test_directory_with_subdir_exception(self):
+    def test_directory_with_subdir_exception(self) -> None:
         assert self.exclude(["foo", "!foo/bar"]) == convert_paths(
             self.all_paths - set(["foo/a.py", "foo/b.py", "foo", "foo/Dockerfile3"])
         )
@@ -262,17 +267,17 @@ class ExcludePathsTest(unittest.TestCase):
     @pytest.mark.skipif(
         not IS_WINDOWS_PLATFORM, reason="Backslash patterns only on Windows"
     )
-    def test_directory_with_subdir_exception_win32_pathsep(self):
+    def test_directory_with_subdir_exception_win32_pathsep(self) -> None:
         assert self.exclude(["foo", "!foo\\bar"]) == convert_paths(
             self.all_paths - set(["foo/a.py", "foo/b.py", "foo", "foo/Dockerfile3"])
         )
 
-    def test_directory_with_wildcard_exception(self):
+    def test_directory_with_wildcard_exception(self) -> None:
         assert self.exclude(["foo", "!foo/*.py"]) == convert_paths(
             self.all_paths - set(["foo/bar", "foo/bar/a.py", "foo", "foo/Dockerfile3"])
         )
 
-    def test_subdirectory(self):
+    def test_subdirectory(self) -> None:
         assert self.exclude(["foo/bar"]) == convert_paths(
             self.all_paths - set(["foo/bar", "foo/bar/a.py"])
         )
@@ -280,12 +285,12 @@ class ExcludePathsTest(unittest.TestCase):
     @pytest.mark.skipif(
         not IS_WINDOWS_PLATFORM, reason="Backslash patterns only on Windows"
     )
-    def test_subdirectory_win32_pathsep(self):
+    def test_subdirectory_win32_pathsep(self) -> None:
         assert self.exclude(["foo\\bar"]) == convert_paths(
             self.all_paths - set(["foo/bar", "foo/bar/a.py"])
         )
 
-    def test_double_wildcard(self):
+    def test_double_wildcard(self) -> None:
         assert self.exclude(["**/a.py"]) == convert_paths(
             self.all_paths - set(["a.py", "foo/a.py", "foo/bar/a.py", "bar/a.py"])
         )
@@ -294,7 +299,7 @@ class ExcludePathsTest(unittest.TestCase):
             self.all_paths - set(["foo/bar", "foo/bar/a.py"])
         )
 
-    def test_single_and_double_wildcard(self):
+    def test_single_and_double_wildcard(self) -> None:
         assert self.exclude(["**/target/*/*"]) == convert_paths(
             self.all_paths
             - set(
@@ -306,7 +311,7 @@ class ExcludePathsTest(unittest.TestCase):
             )
         )
 
-    def test_trailing_double_wildcard(self):
+    def test_trailing_double_wildcard(self) -> None:
         assert self.exclude(["subdir/**"]) == convert_paths(
             self.all_paths
             - set(
@@ -326,7 +331,7 @@ class ExcludePathsTest(unittest.TestCase):
             )
         )
 
-    def test_double_wildcard_with_exception(self):
+    def test_double_wildcard_with_exception(self) -> None:
         assert self.exclude(["**", "!bar", "!foo/bar"]) == convert_paths(
             set(
                 [
@@ -340,13 +345,13 @@ class ExcludePathsTest(unittest.TestCase):
             )
         )
 
-    def test_include_wildcard(self):
+    def test_include_wildcard(self) -> None:
         # This may be surprising but it matches the CLI's behavior
         # (tested with 18.05.0-ce on linux)
         base = make_tree(["a"], ["a/b.py"])
         assert exclude_paths(base, ["*", "!*/b.py"]) == set()
 
-    def test_last_line_precedence(self):
+    def test_last_line_precedence(self) -> None:
         base = make_tree(
             [],
             [
@@ -361,7 +366,7 @@ class ExcludePathsTest(unittest.TestCase):
             ["README.md", "README-bis.md"]
         )
 
-    def test_parent_directory(self):
+    def test_parent_directory(self) -> None:
         base = make_tree([], ["a.py", "b.py", "c.py"])
         # Dockerignore reference stipulates that absolute paths are
         # equivalent to relative paths, hence /../foo should be
@@ -372,7 +377,7 @@ class ExcludePathsTest(unittest.TestCase):
 
 
 class TarTest(unittest.TestCase):
-    def test_tar_with_excludes(self):
+    def test_tar_with_excludes(self) -> None:
         dirs = [
             "foo",
             "foo/bar",
@@ -420,7 +425,7 @@ class TarTest(unittest.TestCase):
             with tarfile.open(fileobj=archive) as tar_data:
                 assert sorted(tar_data.getnames()) == sorted(expected_names)
 
-    def test_tar_with_empty_directory(self):
+    def test_tar_with_empty_directory(self) -> None:
         base = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, base)
         for d in ["foo", "bar"]:
@@ -433,7 +438,7 @@ class TarTest(unittest.TestCase):
         IS_WINDOWS_PLATFORM or os.geteuid() == 0,
         reason="root user always has access ; no chmod on Windows",
     )
-    def test_tar_with_inaccessible_file(self):
+    def test_tar_with_inaccessible_file(self) -> None:
         base = tempfile.mkdtemp()
         full_path = os.path.join(base, "foo")
         self.addCleanup(shutil.rmtree, base)
@@ -446,7 +451,7 @@ class TarTest(unittest.TestCase):
         assert f"Can not read file in context: {full_path}" in ei.exconly()
 
     @pytest.mark.skipif(IS_WINDOWS_PLATFORM, reason="No symlinks on Windows")
-    def test_tar_with_file_symlinks(self):
+    def test_tar_with_file_symlinks(self) -> None:
         base = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, base)
         with open(os.path.join(base, "foo"), "wt", encoding="utf-8") as f:
@@ -458,7 +463,7 @@ class TarTest(unittest.TestCase):
                 assert sorted(tar_data.getnames()) == ["bar", "bar/foo", "foo"]
 
     @pytest.mark.skipif(IS_WINDOWS_PLATFORM, reason="No symlinks on Windows")
-    def test_tar_with_directory_symlinks(self):
+    def test_tar_with_directory_symlinks(self) -> None:
         base = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, base)
         for d in ["foo", "bar"]:
@@ -469,7 +474,7 @@ class TarTest(unittest.TestCase):
                 assert sorted(tar_data.getnames()) == ["bar", "bar/foo", "foo"]
 
     @pytest.mark.skipif(IS_WINDOWS_PLATFORM, reason="No symlinks on Windows")
-    def test_tar_with_broken_symlinks(self):
+    def test_tar_with_broken_symlinks(self) -> None:
         base = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, base)
         for d in ["foo", "bar"]:
@@ -481,7 +486,7 @@ class TarTest(unittest.TestCase):
                 assert sorted(tar_data.getnames()) == ["bar", "bar/foo", "foo"]
 
     @pytest.mark.skipif(IS_WINDOWS_PLATFORM, reason="No UNIX sockets on Win32")
-    def test_tar_socket_file(self):
+    def test_tar_socket_file(self) -> None:
         base = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, base)
         for d in ["foo", "bar"]:
@@ -493,7 +498,7 @@ class TarTest(unittest.TestCase):
             with tarfile.open(fileobj=archive) as tar_data:
                 assert sorted(tar_data.getnames()) == ["bar", "foo"]
 
-    def tar_test_negative_mtime_bug(self):
+    def tar_test_negative_mtime_bug(self) -> None:
         base = tempfile.mkdtemp()
         filename = os.path.join(base, "th.txt")
         self.addCleanup(shutil.rmtree, base)
@@ -506,7 +511,7 @@ class TarTest(unittest.TestCase):
                 assert tar_data.getmember("th.txt").mtime == -3600
 
     @pytest.mark.skipif(IS_WINDOWS_PLATFORM, reason="No symlinks on Windows")
-    def test_tar_directory_link(self):
+    def test_tar_directory_link(self) -> None:
         dirs = ["a", "b", "a/c"]
         files = ["a/hello.py", "b/utils.py", "a/c/descend.py"]
         base = make_tree(dirs, files)

tests/unit/plugins/module_utils/_api/utils/test_config.py

@@ -12,6 +12,7 @@ import json
 import os
 import shutil
 import tempfile
+import typing as t
 import unittest
 from collections.abc import Callable
 from unittest import mock
@@ -25,55 +26,55 @@ class FindConfigFileTest(unittest.TestCase):
     mkdir: Callable[[str], os.PathLike[str]]
 
     @fixture(autouse=True)
-    def tmpdir(self, tmpdir):
+    def tmpdir(self, tmpdir: t.Any) -> None:
         self.mkdir = tmpdir.mkdir
 
-    def test_find_config_fallback(self):
+    def test_find_config_fallback(self) -> None:
         tmpdir = self.mkdir("test_find_config_fallback")
 
         with mock.patch.dict(os.environ, {"HOME": str(tmpdir)}):
             assert config.find_config_file() is None
 
-    def test_find_config_from_explicit_path(self):
+    def test_find_config_from_explicit_path(self) -> None:
         tmpdir = self.mkdir("test_find_config_from_explicit_path")
-        config_path = tmpdir.ensure("my-config-file.json")
+        config_path = tmpdir.ensure("my-config-file.json")  # type: ignore[attr-defined]
 
         assert config.find_config_file(str(config_path)) == str(config_path)
 
-    def test_find_config_from_environment(self):
+    def test_find_config_from_environment(self) -> None:
         tmpdir = self.mkdir("test_find_config_from_environment")
-        config_path = tmpdir.ensure("config.json")
+        config_path = tmpdir.ensure("config.json")  # type: ignore[attr-defined]
 
         with mock.patch.dict(os.environ, {"DOCKER_CONFIG": str(tmpdir)}):
             assert config.find_config_file() == str(config_path)
 
     @mark.skipif("sys.platform == 'win32'")
-    def test_find_config_from_home_posix(self):
+    def test_find_config_from_home_posix(self) -> None:
         tmpdir = self.mkdir("test_find_config_from_home_posix")
-        config_path = tmpdir.ensure(".docker", "config.json")
+        config_path = tmpdir.ensure(".docker", "config.json")  # type: ignore[attr-defined]
 
         with mock.patch.dict(os.environ, {"HOME": str(tmpdir)}):
             assert config.find_config_file() == str(config_path)
 
     @mark.skipif("sys.platform == 'win32'")
-    def test_find_config_from_home_legacy_name(self):
+    def test_find_config_from_home_legacy_name(self) -> None:
         tmpdir = self.mkdir("test_find_config_from_home_legacy_name")
-        config_path = tmpdir.ensure(".dockercfg")
+        config_path = tmpdir.ensure(".dockercfg")  # type: ignore[attr-defined]
 
         with mock.patch.dict(os.environ, {"HOME": str(tmpdir)}):
             assert config.find_config_file() == str(config_path)
 
     @mark.skipif("sys.platform != 'win32'")
-    def test_find_config_from_home_windows(self):
+    def test_find_config_from_home_windows(self) -> None:
         tmpdir = self.mkdir("test_find_config_from_home_windows")
-        config_path = tmpdir.ensure(".docker", "config.json")
+        config_path = tmpdir.ensure(".docker", "config.json")  # type: ignore[attr-defined]
 
         with mock.patch.dict(os.environ, {"USERPROFILE": str(tmpdir)}):
             assert config.find_config_file() == str(config_path)
 
 
 class LoadConfigTest(unittest.TestCase):
-    def test_load_config_no_file(self):
+    def test_load_config_no_file(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         cfg = config.load_general_config(folder)
@@ -81,7 +82,7 @@ class LoadConfigTest(unittest.TestCase):
         assert isinstance(cfg, dict)
         assert not cfg
 
-    def test_load_config_custom_headers(self):
+    def test_load_config_custom_headers(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
 
@@ -97,7 +98,7 @@ class LoadConfigTest(unittest.TestCase):
         assert "HttpHeaders" in cfg
         assert cfg["HttpHeaders"] == {"Name": "Spike", "Surname": "Spiegel"}
 
-    def test_load_config_detach_keys(self):
+    def test_load_config_detach_keys(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         dockercfg_path = os.path.join(folder, "config.json")
@@ -108,7 +109,7 @@ class LoadConfigTest(unittest.TestCase):
         cfg = config.load_general_config(dockercfg_path)
         assert cfg == config_data
 
-    def test_load_config_from_env(self):
+    def test_load_config_from_env(self) -> None:
         folder = tempfile.mkdtemp()
         self.addCleanup(shutil.rmtree, folder)
         dockercfg_path = os.path.join(folder, "config.json")

tests/unit/plugins/module_utils/_api/utils/test_decorators.py

@@ -8,6 +8,7 @@
 
 from __future__ import annotations
 
+import typing as t
 import unittest
 
 from ansible_collections.community.docker.plugins.module_utils._api.api.client import (
@@ -22,12 +23,12 @@ from ansible_collections.community.docker.tests.unit.plugins.module_utils._api.c
 
 
 class DecoratorsTest(unittest.TestCase):
-    def test_update_headers(self):
+    def test_update_headers(self) -> None:
         sample_headers = {
             "X-Docker-Locale": "en-US",
         }
 
-        def f(self, headers=None):
+        def f(self: t.Any, headers: t.Any = None) -> t.Any:
             return headers
 
         client = APIClient(version=DEFAULT_DOCKER_API_VERSION)

tests/unit/plugins/module_utils/_api/utils/test_json_stream.py

@@ -8,6 +8,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 from ansible_collections.community.docker.plugins.module_utils._api.utils.json_stream import (
     json_splitter,
     json_stream,
@@ -15,41 +17,48 @@ from ansible_collections.community.docker.plugins.module_utils._api.utils.json_s
 )
 
 
-class TestJsonSplitter:
+if t.TYPE_CHECKING:
+    T = t.TypeVar("T")
 
-    def test_json_splitter_no_object(self):
+
+def create_generator(input_sequence: list[T]) -> t.Generator[T]:
+    yield from input_sequence
+
+
+class TestJsonSplitter:
+    def test_json_splitter_no_object(self) -> None:
         data = '{"foo": "bar'
         assert json_splitter(data) is None
 
-    def test_json_splitter_with_object(self):
+    def test_json_splitter_with_object(self) -> None:
         data = '{"foo": "bar"}\n  \n{"next": "obj"}'
         assert json_splitter(data) == ({"foo": "bar"}, '{"next": "obj"}')
 
-    def test_json_splitter_leading_whitespace(self):
+    def test_json_splitter_leading_whitespace(self) -> None:
         data = '\n   \r{"foo": "bar"}\n\n   {"next": "obj"}'
         assert json_splitter(data) == ({"foo": "bar"}, '{"next": "obj"}')
 
 
 class TestStreamAsText:
-
-    def test_stream_with_non_utf_unicode_character(self):
-        stream = [b"\xed\xf3\xf3"]
+    def test_stream_with_non_utf_unicode_character(self) -> None:
+        stream = create_generator([b"\xed\xf3\xf3"])
         (output,) = stream_as_text(stream)
         assert output == "<EFBFBD><EFBFBD><EFBFBD>"
 
-    def test_stream_with_utf_character(self):
-        stream = ["ěĝ".encode("utf-8")]
+    def test_stream_with_utf_character(self) -> None:
+        stream = create_generator(["ěĝ".encode("utf-8")])
         (output,) = stream_as_text(stream)
         assert output == "ěĝ"
 
 
 class TestJsonStream:
-
-    def test_with_falsy_entries(self):
-        stream = [
-            '{"one": "two"}\n{}\n',
-            "[1, 2, 3]\n[]\n",
-        ]
+    def test_with_falsy_entries(self) -> None:
+        stream = create_generator(
+            [
+                '{"one": "two"}\n{}\n',
+                "[1, 2, 3]\n[]\n",
+            ]
+        )
         output = list(json_stream(stream))
         assert output == [
             {"one": "two"},
@@ -58,7 +67,9 @@ class TestJsonStream:
             [],
         ]
 
-    def test_with_leading_whitespace(self):
-        stream = ['\n  \r\n  {"one": "two"}{"x": 1}', '  {"three": "four"}\t\t{"x": 2}']
+    def test_with_leading_whitespace(self) -> None:
+        stream = create_generator(
+            ['\n  \r\n  {"one": "two"}{"x": 1}', '  {"three": "four"}\t\t{"x": 2}']
+        )
         output = list(json_stream(stream))
         assert output == [{"one": "two"}, {"x": 1}, {"three": "four"}, {"x": 2}]

tests/unit/plugins/module_utils/_api/utils/test_ports.py

@@ -19,132 +19,132 @@ from ansible_collections.community.docker.plugins.module_utils._api.utils.ports
 
 
 class PortsTest(unittest.TestCase):
-    def test_split_port_with_host_ip(self):
+    def test_split_port_with_host_ip(self) -> None:
         internal_port, external_port = split_port("127.0.0.1:1000:2000")
         assert internal_port == ["2000"]
         assert external_port == [("127.0.0.1", "1000")]
 
-    def test_split_port_with_protocol(self):
+    def test_split_port_with_protocol(self) -> None:
         for protocol in ["tcp", "udp", "sctp"]:
             internal_port, external_port = split_port("127.0.0.1:1000:2000/" + protocol)
             assert internal_port == ["2000/" + protocol]
             assert external_port == [("127.0.0.1", "1000")]
 
-    def test_split_port_with_host_ip_no_port(self):
+    def test_split_port_with_host_ip_no_port(self) -> None:
         internal_port, external_port = split_port("127.0.0.1::2000")
         assert internal_port == ["2000"]
         assert external_port == [("127.0.0.1", None)]
 
-    def test_split_port_range_with_host_ip_no_port(self):
+    def test_split_port_range_with_host_ip_no_port(self) -> None:
         internal_port, external_port = split_port("127.0.0.1::2000-2001")
         assert internal_port == ["2000", "2001"]
         assert external_port == [("127.0.0.1", None), ("127.0.0.1", None)]
 
-    def test_split_port_with_host_port(self):
+    def test_split_port_with_host_port(self) -> None:
         internal_port, external_port = split_port("1000:2000")
         assert internal_port == ["2000"]
         assert external_port == ["1000"]
 
-    def test_split_port_range_with_host_port(self):
+    def test_split_port_range_with_host_port(self) -> None:
         internal_port, external_port = split_port("1000-1001:2000-2001")
         assert internal_port == ["2000", "2001"]
         assert external_port == ["1000", "1001"]
 
-    def test_split_port_random_port_range_with_host_port(self):
+    def test_split_port_random_port_range_with_host_port(self) -> None:
         internal_port, external_port = split_port("1000-1001:2000")
         assert internal_port == ["2000"]
         assert external_port == ["1000-1001"]
 
-    def test_split_port_no_host_port(self):
+    def test_split_port_no_host_port(self) -> None:
         internal_port, external_port = split_port("2000")
         assert internal_port == ["2000"]
         assert external_port is None
 
-    def test_split_port_range_no_host_port(self):
+    def test_split_port_range_no_host_port(self) -> None:
         internal_port, external_port = split_port("2000-2001")
         assert internal_port == ["2000", "2001"]
         assert external_port is None
 
-    def test_split_port_range_with_protocol(self):
+    def test_split_port_range_with_protocol(self) -> None:
         internal_port, external_port = split_port("127.0.0.1:1000-1001:2000-2001/udp")
         assert internal_port == ["2000/udp", "2001/udp"]
         assert external_port == [("127.0.0.1", "1000"), ("127.0.0.1", "1001")]
 
-    def test_split_port_with_ipv6_address(self):
+    def test_split_port_with_ipv6_address(self) -> None:
         internal_port, external_port = split_port("2001:abcd:ef00::2:1000:2000")
         assert internal_port == ["2000"]
         assert external_port == [("2001:abcd:ef00::2", "1000")]
 
-    def test_split_port_with_ipv6_square_brackets_address(self):
+    def test_split_port_with_ipv6_square_brackets_address(self) -> None:
         internal_port, external_port = split_port("[2001:abcd:ef00::2]:1000:2000")
         assert internal_port == ["2000"]
         assert external_port == [("2001:abcd:ef00::2", "1000")]
 
-    def test_split_port_invalid(self):
+    def test_split_port_invalid(self) -> None:
         with pytest.raises(ValueError):
             split_port("0.0.0.0:1000:2000:tcp")
 
-    def test_split_port_invalid_protocol(self):
+    def test_split_port_invalid_protocol(self) -> None:
         with pytest.raises(ValueError):
             split_port("0.0.0.0:1000:2000/ftp")
 
-    def test_non_matching_length_port_ranges(self):
+    def test_non_matching_length_port_ranges(self) -> None:
         with pytest.raises(ValueError):
             split_port("0.0.0.0:1000-1010:2000-2002/tcp")
 
-    def test_port_and_range_invalid(self):
+    def test_port_and_range_invalid(self) -> None:
         with pytest.raises(ValueError):
             split_port("0.0.0.0:1000:2000-2002/tcp")
 
-    def test_port_only_with_colon(self):
+    def test_port_only_with_colon(self) -> None:
         with pytest.raises(ValueError):
             split_port(":80")
 
-    def test_host_only_with_colon(self):
+    def test_host_only_with_colon(self) -> None:
         with pytest.raises(ValueError):
             split_port("localhost:")
 
-    def test_with_no_container_port(self):
+    def test_with_no_container_port(self) -> None:
         with pytest.raises(ValueError):
             split_port("localhost:80:")
 
-    def test_split_port_empty_string(self):
+    def test_split_port_empty_string(self) -> None:
         with pytest.raises(ValueError):
             split_port("")
 
-    def test_split_port_non_string(self):
+    def test_split_port_non_string(self) -> None:
         assert split_port(1243) == (["1243"], None)
 
-    def test_build_port_bindings_with_one_port(self):
+    def test_build_port_bindings_with_one_port(self) -> None:
         port_bindings = build_port_bindings(["127.0.0.1:1000:1000"])
         assert port_bindings["1000"] == [("127.0.0.1", "1000")]
 
-    def test_build_port_bindings_with_matching_internal_ports(self):
+    def test_build_port_bindings_with_matching_internal_ports(self) -> None:
         port_bindings = build_port_bindings(
             ["127.0.0.1:1000:1000", "127.0.0.1:2000:1000"]
         )
         assert port_bindings["1000"] == [("127.0.0.1", "1000"), ("127.0.0.1", "2000")]
 
-    def test_build_port_bindings_with_nonmatching_internal_ports(self):
+    def test_build_port_bindings_with_nonmatching_internal_ports(self) -> None:
         port_bindings = build_port_bindings(
             ["127.0.0.1:1000:1000", "127.0.0.1:2000:2000"]
         )
         assert port_bindings["1000"] == [("127.0.0.1", "1000")]
         assert port_bindings["2000"] == [("127.0.0.1", "2000")]
 
-    def test_build_port_bindings_with_port_range(self):
+    def test_build_port_bindings_with_port_range(self) -> None:
         port_bindings = build_port_bindings(["127.0.0.1:1000-1001:1000-1001"])
         assert port_bindings["1000"] == [("127.0.0.1", "1000")]
         assert port_bindings["1001"] == [("127.0.0.1", "1001")]
 
-    def test_build_port_bindings_with_matching_internal_port_ranges(self):
+    def test_build_port_bindings_with_matching_internal_port_ranges(self) -> None:
         port_bindings = build_port_bindings(
             ["127.0.0.1:1000-1001:1000-1001", "127.0.0.1:2000-2001:1000-1001"]
         )
         assert port_bindings["1000"] == [("127.0.0.1", "1000"), ("127.0.0.1", "2000")]
         assert port_bindings["1001"] == [("127.0.0.1", "1001"), ("127.0.0.1", "2001")]
 
-    def test_build_port_bindings_with_nonmatching_internal_port_ranges(self):
+    def test_build_port_bindings_with_nonmatching_internal_port_ranges(self) -> None:
         port_bindings = build_port_bindings(
             ["127.0.0.1:1000:1000", "127.0.0.1:2000:2000"]
         )

tests/unit/plugins/module_utils/_api/utils/test_proxy.py

@@ -33,8 +33,7 @@ ENV = {
 
 
 class ProxyConfigTest(unittest.TestCase):
-
-    def test_from_dict(self):
+    def test_from_dict(self) -> None:
         config = ProxyConfig.from_dict(
             {
                 "httpProxy": HTTP,
@@ -48,7 +47,7 @@ class ProxyConfigTest(unittest.TestCase):
         self.assertEqual(CONFIG.ftp, config.ftp)
         self.assertEqual(CONFIG.no_proxy, config.no_proxy)
 
-    def test_new(self):
+    def test_new(self) -> None:
         config = ProxyConfig()
         self.assertIsNone(config.http)
         self.assertIsNone(config.https)
@@ -61,22 +60,24 @@ class ProxyConfigTest(unittest.TestCase):
         self.assertEqual(config.ftp, "c")
         self.assertEqual(config.no_proxy, "d")
 
-    def test_truthiness(self):
+    def test_truthiness(self) -> None:
         assert not ProxyConfig()
         assert ProxyConfig(http="non-zero")
         assert ProxyConfig(https="non-zero")
         assert ProxyConfig(ftp="non-zero")
         assert ProxyConfig(no_proxy="non-zero")
 
-    def test_environment(self):
+    def test_environment(self) -> None:
         self.assertDictEqual(CONFIG.get_environment(), ENV)
         empty = ProxyConfig()
         self.assertDictEqual(empty.get_environment(), {})
 
-    def test_inject_proxy_environment(self):
+    def test_inject_proxy_environment(self) -> None:
         # Proxy config is non null, env is None.
+        envlist = CONFIG.inject_proxy_environment(None)
+        assert envlist is not None
         self.assertSetEqual(
-            set(CONFIG.inject_proxy_environment(None)),
+            set(envlist),
             set(f"{k}={v}" for k, v in ENV.items()),
         )
 

tests/unit/plugins/module_utils/_api/utils/test_utils.py

@@ -52,13 +52,15 @@ TEST_CERT_DIR = os.path.join(
 
 
 class KwargsFromEnvTest(unittest.TestCase):
-    def setUp(self):
+    os_environ: dict[str, str]
+
+    def setUp(self) -> None:
         self.os_environ = os.environ.copy()
 
-    def tearDown(self):
-        os.environ = self.os_environ
+    def tearDown(self) -> None:
+        os.environ = self.os_environ  # type: ignore
 
-    def test_kwargs_from_env_empty(self):
+    def test_kwargs_from_env_empty(self) -> None:
         os.environ.update(DOCKER_HOST="", DOCKER_CERT_PATH="")
         os.environ.pop("DOCKER_TLS_VERIFY", None)
 
@@ -66,7 +68,7 @@ class KwargsFromEnvTest(unittest.TestCase):
         assert kwargs.get("base_url") is None
         assert kwargs.get("tls") is None
 
-    def test_kwargs_from_env_tls(self):
+    def test_kwargs_from_env_tls(self) -> None:
         os.environ.update(
             DOCKER_HOST="tcp://192.168.59.103:2376",
             DOCKER_CERT_PATH=TEST_CERT_DIR,
@@ -90,7 +92,7 @@ class KwargsFromEnvTest(unittest.TestCase):
         except TypeError as e:
             self.fail(e)
 
-    def test_kwargs_from_env_tls_verify_false(self):
+    def test_kwargs_from_env_tls_verify_false(self) -> None:
         os.environ.update(
             DOCKER_HOST="tcp://192.168.59.103:2376",
             DOCKER_CERT_PATH=TEST_CERT_DIR,
@@ -113,7 +115,7 @@ class KwargsFromEnvTest(unittest.TestCase):
         except TypeError as e:
             self.fail(e)
 
-    def test_kwargs_from_env_tls_verify_false_no_cert(self):
+    def test_kwargs_from_env_tls_verify_false_no_cert(self) -> None:
         temp_dir = tempfile.mkdtemp()
         cert_dir = os.path.join(temp_dir, ".docker")
         shutil.copytree(TEST_CERT_DIR, cert_dir)
@@ -125,7 +127,7 @@ class KwargsFromEnvTest(unittest.TestCase):
         kwargs = kwargs_from_env(assert_hostname=True)
         assert "tcp://192.168.59.103:2376" == kwargs["base_url"]
 
-    def test_kwargs_from_env_no_cert_path(self):
+    def test_kwargs_from_env_no_cert_path(self) -> None:
         try:
             temp_dir = tempfile.mkdtemp()
             cert_dir = os.path.join(temp_dir, ".docker")
@@ -142,7 +144,7 @@ class KwargsFromEnvTest(unittest.TestCase):
             if temp_dir:
                 shutil.rmtree(temp_dir)
 
-    def test_kwargs_from_env_alternate_env(self):
+    def test_kwargs_from_env_alternate_env(self) -> None:
         # Values in os.environ are entirely ignored if an alternate is
         # provided
         os.environ.update(
@@ -160,30 +162,32 @@ class KwargsFromEnvTest(unittest.TestCase):
 
 
 class ConverVolumeBindsTest(unittest.TestCase):
-    def test_convert_volume_binds_empty(self):
+    def test_convert_volume_binds_empty(self) -> None:
         assert convert_volume_binds({}) == []
         assert convert_volume_binds([]) == []
 
-    def test_convert_volume_binds_list(self):
+    def test_convert_volume_binds_list(self) -> None:
         data = ["/a:/a:ro", "/b:/c:z"]
         assert convert_volume_binds(data) == data
 
-    def test_convert_volume_binds_complete(self):
-        data = {"/mnt/vol1": {"bind": "/data", "mode": "ro"}}
+    def test_convert_volume_binds_complete(self) -> None:
+        data: dict[str | bytes, dict[str, str]] = {
+            "/mnt/vol1": {"bind": "/data", "mode": "ro"}
+        }
         assert convert_volume_binds(data) == ["/mnt/vol1:/data:ro"]
 
-    def test_convert_volume_binds_compact(self):
-        data = {"/mnt/vol1": "/data"}
+    def test_convert_volume_binds_compact(self) -> None:
+        data: dict[str | bytes, str] = {"/mnt/vol1": "/data"}
         assert convert_volume_binds(data) == ["/mnt/vol1:/data:rw"]
 
-    def test_convert_volume_binds_no_mode(self):
-        data = {"/mnt/vol1": {"bind": "/data"}}
+    def test_convert_volume_binds_no_mode(self) -> None:
+        data: dict[str | bytes, dict[str, str]] = {"/mnt/vol1": {"bind": "/data"}}
         assert convert_volume_binds(data) == ["/mnt/vol1:/data:rw"]
 
-    def test_convert_volume_binds_unicode_bytes_input(self):
+    def test_convert_volume_binds_unicode_bytes_input(self) -> None:
         expected = ["/mnt/지연:/unicode/박:rw"]
 
-        data = {
+        data: dict[str | bytes, dict[str, str | bytes]] = {
             "/mnt/지연".encode("utf-8"): {
                 "bind": "/unicode/박".encode("utf-8"),
                 "mode": "rw",
@@ -191,15 +195,17 @@ class ConverVolumeBindsTest(unittest.TestCase):
         }
         assert convert_volume_binds(data) == expected
 
-    def test_convert_volume_binds_unicode_unicode_input(self):
+    def test_convert_volume_binds_unicode_unicode_input(self) -> None:
         expected = ["/mnt/지연:/unicode/박:rw"]
 
-        data = {"/mnt/지연": {"bind": "/unicode/박", "mode": "rw"}}
+        data: dict[str | bytes, dict[str, str]] = {
+            "/mnt/지연": {"bind": "/unicode/박", "mode": "rw"}
+        }
         assert convert_volume_binds(data) == expected
 
 
 class ParseEnvFileTest(unittest.TestCase):
-    def generate_tempfile(self, file_content=None):
+    def generate_tempfile(self, file_content: str) -> str:
         """
         Generates a temporary file for tests with the content
         of 'file_content' and returns the filename.
@@ -209,31 +215,31 @@ class ParseEnvFileTest(unittest.TestCase):
             local_tempfile.write(file_content.encode("UTF-8"))
         return local_tempfile.name
 
-    def test_parse_env_file_proper(self):
+    def test_parse_env_file_proper(self) -> None:
         env_file = self.generate_tempfile(file_content="USER=jdoe\nPASS=secret")
         get_parse_env_file = parse_env_file(env_file)
         assert get_parse_env_file == {"USER": "jdoe", "PASS": "secret"}
         os.unlink(env_file)
 
-    def test_parse_env_file_with_equals_character(self):
+    def test_parse_env_file_with_equals_character(self) -> None:
         env_file = self.generate_tempfile(file_content="USER=jdoe\nPASS=sec==ret")
         get_parse_env_file = parse_env_file(env_file)
         assert get_parse_env_file == {"USER": "jdoe", "PASS": "sec==ret"}
         os.unlink(env_file)
 
-    def test_parse_env_file_commented_line(self):
+    def test_parse_env_file_commented_line(self) -> None:
         env_file = self.generate_tempfile(file_content="USER=jdoe\n#PASS=secret")
         get_parse_env_file = parse_env_file(env_file)
         assert get_parse_env_file == {"USER": "jdoe"}
         os.unlink(env_file)
 
-    def test_parse_env_file_newline(self):
+    def test_parse_env_file_newline(self) -> None:
         env_file = self.generate_tempfile(file_content="\nUSER=jdoe\n\n\nPASS=secret")
         get_parse_env_file = parse_env_file(env_file)
         assert get_parse_env_file == {"USER": "jdoe", "PASS": "secret"}
         os.unlink(env_file)
 
-    def test_parse_env_file_invalid_line(self):
+    def test_parse_env_file_invalid_line(self) -> None:
         env_file = self.generate_tempfile(file_content="USER jdoe")
         with pytest.raises(DockerException):
             parse_env_file(env_file)
@@ -241,7 +247,7 @@ class ParseEnvFileTest(unittest.TestCase):
 
 
 class ParseHostTest(unittest.TestCase):
-    def test_parse_host(self):
+    def test_parse_host(self) -> None:
         invalid_hosts = [
             "foo://0.0.0.0",
             "tcp://",
@@ -282,16 +288,16 @@ class ParseHostTest(unittest.TestCase):
         for host in invalid_hosts:
             msg = f"Should have failed to parse invalid host: {host}"
             with self.assertRaises(DockerException, msg=msg):
-                parse_host(host, None)
+                parse_host(host)
 
         for host, expected in valid_hosts.items():
             self.assertEqual(
-                parse_host(host, None),
+                parse_host(host),
                 expected,
                 msg=f"Failed to parse valid host: {host}",
             )
 
-    def test_parse_host_empty_value(self):
+    def test_parse_host_empty_value(self) -> None:
         unix_socket = "http+unix:///var/run/docker.sock"
         npipe = "npipe:////./pipe/docker_engine"
 
@@ -299,17 +305,17 @@ class ParseHostTest(unittest.TestCase):
             assert parse_host(val, is_win32=False) == unix_socket
             assert parse_host(val, is_win32=True) == npipe
 
-    def test_parse_host_tls(self):
+    def test_parse_host_tls(self) -> None:
         host_value = "myhost.docker.net:3348"
         expected_result = "https://myhost.docker.net:3348"
         assert parse_host(host_value, tls=True) == expected_result
 
-    def test_parse_host_tls_tcp_proto(self):
+    def test_parse_host_tls_tcp_proto(self) -> None:
         host_value = "tcp://myhost.docker.net:3348"
         expected_result = "https://myhost.docker.net:3348"
         assert parse_host(host_value, tls=True) == expected_result
 
-    def test_parse_host_trailing_slash(self):
+    def test_parse_host_trailing_slash(self) -> None:
         host_value = "tcp://myhost.docker.net:2376/"
         expected_result = "http://myhost.docker.net:2376"
         assert parse_host(host_value) == expected_result
@@ -318,31 +324,31 @@ class ParseHostTest(unittest.TestCase):
 class ParseRepositoryTagTest(unittest.TestCase):
     sha = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
 
-    def test_index_image_no_tag(self):
+    def test_index_image_no_tag(self) -> None:
         assert parse_repository_tag("root") == ("root", None)
 
-    def test_index_image_tag(self):
+    def test_index_image_tag(self) -> None:
         assert parse_repository_tag("root:tag") == ("root", "tag")
 
-    def test_index_user_image_no_tag(self):
+    def test_index_user_image_no_tag(self) -> None:
         assert parse_repository_tag("user/repo") == ("user/repo", None)
 
-    def test_index_user_image_tag(self):
+    def test_index_user_image_tag(self) -> None:
         assert parse_repository_tag("user/repo:tag") == ("user/repo", "tag")
 
-    def test_private_reg_image_no_tag(self):
+    def test_private_reg_image_no_tag(self) -> None:
         assert parse_repository_tag("url:5000/repo") == ("url:5000/repo", None)
 
-    def test_private_reg_image_tag(self):
+    def test_private_reg_image_tag(self) -> None:
         assert parse_repository_tag("url:5000/repo:tag") == ("url:5000/repo", "tag")
 
-    def test_index_image_sha(self):
+    def test_index_image_sha(self) -> None:
         assert parse_repository_tag(f"root@sha256:{self.sha}") == (
             "root",
             f"sha256:{self.sha}",
         )
 
-    def test_private_reg_image_sha(self):
+    def test_private_reg_image_sha(self) -> None:
         assert parse_repository_tag(f"url:5000/repo@sha256:{self.sha}") == (
             "url:5000/repo",
             f"sha256:{self.sha}",
@@ -350,7 +356,7 @@ class ParseRepositoryTagTest(unittest.TestCase):
 
 
 class ParseDeviceTest(unittest.TestCase):
-    def test_dict(self):
+    def test_dict(self) -> None:
         devices = parse_devices(
             [
                 {
@@ -366,7 +372,7 @@ class ParseDeviceTest(unittest.TestCase):
             "CgroupPermissions": "r",
         }
 
-    def test_partial_string_definition(self):
+    def test_partial_string_definition(self) -> None:
         devices = parse_devices(["/dev/sda1"])
         assert devices[0] == {
             "PathOnHost": "/dev/sda1",
@@ -374,7 +380,7 @@ class ParseDeviceTest(unittest.TestCase):
             "CgroupPermissions": "rwm",
         }
 
-    def test_permissionless_string_definition(self):
+    def test_permissionless_string_definition(self) -> None:
         devices = parse_devices(["/dev/sda1:/dev/mnt1"])
         assert devices[0] == {
             "PathOnHost": "/dev/sda1",
@@ -382,7 +388,7 @@ class ParseDeviceTest(unittest.TestCase):
             "CgroupPermissions": "rwm",
         }
 
-    def test_full_string_definition(self):
+    def test_full_string_definition(self) -> None:
         devices = parse_devices(["/dev/sda1:/dev/mnt1:r"])
         assert devices[0] == {
             "PathOnHost": "/dev/sda1",
@@ -390,7 +396,7 @@ class ParseDeviceTest(unittest.TestCase):
             "CgroupPermissions": "r",
         }
 
-    def test_hybrid_list(self):
+    def test_hybrid_list(self) -> None:
         devices = parse_devices(
             [
                 "/dev/sda1:/dev/mnt1:rw",
@@ -415,12 +421,12 @@ class ParseDeviceTest(unittest.TestCase):
 
 
 class ParseBytesTest(unittest.TestCase):
-    def test_parse_bytes_valid(self):
+    def test_parse_bytes_valid(self) -> None:
         assert parse_bytes("512MB") == 536870912
         assert parse_bytes("512M") == 536870912
         assert parse_bytes("512m") == 536870912
 
-    def test_parse_bytes_invalid(self):
+    def test_parse_bytes_invalid(self) -> None:
         with pytest.raises(DockerException):
             parse_bytes("512MK")
         with pytest.raises(DockerException):
@@ -428,15 +434,15 @@ class ParseBytesTest(unittest.TestCase):
         with pytest.raises(DockerException):
             parse_bytes("127.0.0.1K")
 
-    def test_parse_bytes_float(self):
+    def test_parse_bytes_float(self) -> None:
         assert parse_bytes("1.5k") == 1536
 
 
 class UtilsTest(unittest.TestCase):
     longMessage = True
 
-    def test_convert_filters(self):
-        tests = [
+    def test_convert_filters(self) -> None:
+        tests: list[tuple[dict[str, bool | str | int | list[str | int]], str]] = [
             ({"dangling": True}, '{"dangling": ["true"]}'),
             ({"dangling": "true"}, '{"dangling": ["true"]}'),
             ({"exited": 0}, '{"exited": ["0"]}'),
@@ -446,7 +452,7 @@ class UtilsTest(unittest.TestCase):
         for filters, expected in tests:
             assert convert_filters(filters) == expected
 
-    def test_decode_json_header(self):
+    def test_decode_json_header(self) -> None:
         obj = {"a": "b", "c": 1}
         data = base64.urlsafe_b64encode(bytes(json.dumps(obj), "utf-8"))
         decoded_data = decode_json_header(data)
@@ -454,16 +460,16 @@ class UtilsTest(unittest.TestCase):
 
 
 class SplitCommandTest(unittest.TestCase):
-    def test_split_command_with_unicode(self):
+    def test_split_command_with_unicode(self) -> None:
         assert split_command("echo μμ") == ["echo", "μμ"]
 
 
 class FormatEnvironmentTest(unittest.TestCase):
-    def test_format_env_binary_unicode_value(self):
+    def test_format_env_binary_unicode_value(self) -> None:
         env_dict = {"ARTIST_NAME": b"\xec\x86\xa1\xec\xa7\x80\xec\x9d\x80"}
         assert format_environment(env_dict) == ["ARTIST_NAME=송지은"]
 
-    def test_format_env_no_value(self):
+    def test_format_env_no_value(self) -> None:
         env_dict = {
             "FOO": None,
             "BAR": "",

tests/unit/plugins/module_utils/compose_v2_test_cases.py

@@ -11,7 +11,7 @@ from ansible_collections.community.docker.plugins.module_utils._compose_v2 impor
 )
 
 
-EVENT_TEST_CASES: list[tuple[str, str, bool, bool, str, list[Event], list[Event]]] = [
+EVENT_TEST_CASES: list[tuple[str, str, bool, bool, str, list[Event], list[str]]] = [
     # #######################################################################################################################
     # ## Docker Compose 2.18.1 ##############################################################################################
     # #######################################################################################################################

tests/unit/plugins/module_utils/test__compose_v2.py

@@ -14,7 +14,7 @@ from ansible_collections.community.docker.plugins.module_utils._compose_v2 impor
 from .compose_v2_test_cases import EVENT_TEST_CASES
 
 
-EXTRA_TEST_CASES = [
+EXTRA_TEST_CASES: list[tuple[str, str, bool, bool, str, list[Event], list[str]]] = [
     (
         "2.24.2-manual-build-dry-run",
         "2.24.2",
@@ -227,9 +227,7 @@ EXTRA_TEST_CASES = [
         False,
         False,
         # fmt: off
-        " bash_1 Skipped \n"
-        " bash_2 Pulling \n"
-        " bash_2 Pulled \n",
+        " bash_1 Skipped \n bash_2 Pulling \n bash_2 Pulled \n",
         # fmt: on
         [
             Event(
@@ -361,15 +359,24 @@ _ALL_TEST_CASES = EVENT_TEST_CASES + EXTRA_TEST_CASES
     ids=[tc[0] for tc in _ALL_TEST_CASES],
 )
 def test_parse_events(
-    test_id, compose_version, dry_run, nonzero_rc, stderr, events, warnings
-):
+    test_id: str,
+    compose_version: str,
+    dry_run: bool,
+    nonzero_rc: bool,
+    stderr: str,
+    events: list[Event],
+    warnings: list[str],
+) -> None:
     collected_warnings = []
 
-    def collect_warning(msg):
+    def collect_warning(msg: str) -> None:
         collected_warnings.append(msg)
 
     collected_events = parse_events(
-        stderr, dry_run=dry_run, warn_function=collect_warning, nonzero_rc=nonzero_rc
+        stderr.encode("utf-8"),
+        dry_run=dry_run,
+        warn_function=collect_warning,
+        nonzero_rc=nonzero_rc,
     )
 
     print(collected_events)

tests/unit/plugins/module_utils/test__copy.py

@@ -4,6 +4,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 
 from ansible_collections.community.docker.plugins.module_utils._copy import (
@@ -11,7 +13,13 @@ from ansible_collections.community.docker.plugins.module_utils._copy import (
 )
 
 
-def _simple_generator(sequence):
+if t.TYPE_CHECKING:
+    from collections.abc import Sequence
+
+    T = t.TypeVar("T")
+
+
+def _simple_generator(sequence: Sequence[T]) -> t.Generator[T]:
     yield from sequence
 
 
@@ -60,10 +68,12 @@ def _simple_generator(sequence):
         ),
     ],
 )
-def test__stream_generator_to_fileobj(chunks, read_sizes):
-    chunks = [count * data for count, data in chunks]
-    stream = _simple_generator(chunks)
-    expected = b"".join(chunks)
+def test__stream_generator_to_fileobj(
+    chunks: list[tuple[int, bytes]], read_sizes: list[int]
+) -> None:
+    data_chunks = [count * data for count, data in chunks]
+    stream = _simple_generator(data_chunks)
+    expected = b"".join(data_chunks)
 
     buffer = b""
     totally_read = 0

tests/unit/plugins/module_utils/test__image_archive.py

@@ -5,6 +5,7 @@
 from __future__ import annotations
 
 import tarfile
+import typing as t
 
 import pytest
 
@@ -22,7 +23,7 @@ from ..test_support.docker_image_archive_stubbing import (
 
 
 @pytest.fixture
-def tar_file_name(tmpdir):
+def tar_file_name(tmpdir: t.Any) -> str:
     """
     Return the name of a non-existing tar file in an existing temporary directory.
     """
@@ -34,11 +35,11 @@ def tar_file_name(tmpdir):
 @pytest.mark.parametrize(
     "expected, value", [("sha256:foo", "foo"), ("sha256:bar", "bar")]
 )
-def test_api_image_id_from_archive_id(expected, value):
+def test_api_image_id_from_archive_id(expected: str, value: str) -> None:
     assert api_image_id(value) == expected
 
 
-def test_archived_image_manifest_extracts(tar_file_name):
+def test_archived_image_manifest_extracts(tar_file_name: str) -> None:
     expected_id = "abcde12345"
     expected_tags = ["foo:latest", "bar:v1"]
 
@@ -46,17 +47,20 @@ def test_archived_image_manifest_extracts(tar_file_name):
 
     actual = archived_image_manifest(tar_file_name)
 
+    assert actual is not None
     assert actual.image_id == expected_id
     assert actual.repo_tags == expected_tags
 
 
-def test_archived_image_manifest_extracts_nothing_when_file_not_present(tar_file_name):
+def test_archived_image_manifest_extracts_nothing_when_file_not_present(
+    tar_file_name: str,
+) -> None:
     image_id = archived_image_manifest(tar_file_name)
 
     assert image_id is None
 
 
-def test_archived_image_manifest_raises_when_file_not_a_tar():
+def test_archived_image_manifest_raises_when_file_not_a_tar() -> None:
     try:
         archived_image_manifest(__file__)
         raise AssertionError()
@@ -65,7 +69,9 @@ def test_archived_image_manifest_raises_when_file_not_a_tar():
         assert str(__file__) in str(e)
 
 
-def test_archived_image_manifest_raises_when_tar_missing_manifest(tar_file_name):
+def test_archived_image_manifest_raises_when_tar_missing_manifest(
+    tar_file_name: str,
+) -> None:
     write_irrelevant_tar(tar_file_name)
 
     try:
@@ -76,7 +82,9 @@ def test_archived_image_manifest_raises_when_tar_missing_manifest(tar_file_name)
         assert "manifest.json" in str(e.__cause__)
 
 
-def test_archived_image_manifest_raises_when_manifest_missing_id(tar_file_name):
+def test_archived_image_manifest_raises_when_manifest_missing_id(
+    tar_file_name: str,
+) -> None:
     manifest = [{"foo": "bar"}]
 
     write_imitation_archive_with_manifest(tar_file_name, manifest)

tests/unit/plugins/module_utils/test__logfmt.py

@@ -4,6 +4,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 
 from ansible_collections.community.docker.plugins.module_utils._logfmt import (
@@ -12,7 +14,7 @@ from ansible_collections.community.docker.plugins.module_utils._logfmt import (
 )
 
 
-SUCCESS_TEST_CASES = [
+SUCCESS_TEST_CASES: list[tuple[str, dict[str, t.Any], dict[str, t.Any]]] = [
     (
         'time="2024-02-02T08:14:10+01:00" level=warning msg="a network with name influxNetwork exists but was not'
         ' created for project \\"influxdb\\".\\nSet `external: true` to use an existing network"',
@@ -59,7 +61,7 @@ SUCCESS_TEST_CASES = [
 ]
 
 
-FAILURE_TEST_CASES = [
+FAILURE_TEST_CASES: list[tuple[str, dict[str, t.Any], str]] = [
     (
         'foo=bar a=14 baz="hello kitty" cool%story=bro f %^asdf',
         {"logrus_mode": True},
@@ -84,14 +86,16 @@ FAILURE_TEST_CASES = [
 
 
 @pytest.mark.parametrize("line, kwargs, result", SUCCESS_TEST_CASES)
-def test_parse_line_success(line, kwargs, result):
+def test_parse_line_success(
+    line: str, kwargs: dict[str, t.Any], result: dict[str, t.Any]
+) -> None:
     res = parse_line(line, **kwargs)
     print(repr(res))
     assert res == result
 
 
 @pytest.mark.parametrize("line, kwargs, message", FAILURE_TEST_CASES)
-def test_parse_line_failure(line, kwargs, message):
+def test_parse_line_failure(line: str, kwargs: dict[str, t.Any], message: str) -> None:
     with pytest.raises(InvalidLogFmt) as exc:
         parse_line(line, **kwargs)
 

tests/unit/plugins/module_utils/test__scramble.py

@@ -20,7 +20,7 @@ from ansible_collections.community.docker.plugins.module_utils._scramble import
         ("hello", b"\x01", "=S=aWRtbW4="),
     ],
 )
-def test_scramble_unscramble(plaintext, key, scrambled):
+def test_scramble_unscramble(plaintext: str, key: bytes, scrambled: str) -> None:
     scrambled_ = scramble(plaintext, key)
     print(f"{scrambled_!r} == {scrambled!r}")
     assert scrambled_ == scrambled

tests/unit/plugins/module_utils/test__util.py

@@ -4,6 +4,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 
 from ansible_collections.community.docker.plugins.module_utils._util import (
@@ -14,15 +16,41 @@ from ansible_collections.community.docker.plugins.module_utils._util import (
 )
 
 
-DICT_ALLOW_MORE_PRESENT = (
+if t.TYPE_CHECKING:
+
+    class DAMSpec(t.TypedDict):
+        av: dict[str, t.Any]
+        bv: dict[str, t.Any]
+        result: bool
+
+    class Spec(t.TypedDict):
+        a: t.Any
+        b: t.Any
+        method: t.Literal["strict", "ignore", "allow_more_present"]
+        type: t.Literal["value", "list", "set", "set(dict)", "dict"]
+        result: bool
+
+
+DICT_ALLOW_MORE_PRESENT: list[DAMSpec] = [
     {"av": {}, "bv": {"a": 1}, "result": True},
     {"av": {"a": 1}, "bv": {"a": 1, "b": 2}, "result": True},
     {"av": {"a": 1}, "bv": {"b": 2}, "result": False},
     {"av": {"a": 1}, "bv": {"a": None, "b": 1}, "result": False},
     {"av": {"a": None}, "bv": {"b": 1}, "result": False},
-)
+]
 
-COMPARE_GENERIC = [
+DICT_ALLOW_MORE_PRESENT_SPECS: list[Spec] = [
+    {
+        "a": entry["av"],
+        "b": entry["bv"],
+        "method": "allow_more_present",
+        "type": "dict",
+        "result": entry["result"],
+    }
+    for entry in DICT_ALLOW_MORE_PRESENT
+]
+
+COMPARE_GENERIC: list[Spec] = [
     ########################################################################################
     # value
     {"a": 1, "b": 2, "method": "strict", "type": "value", "result": False},
@@ -386,43 +414,34 @@ COMPARE_GENERIC = [
         "type": "dict",
         "result": True,
     },
-] + [
-    {
-        "a": entry["av"],
-        "b": entry["bv"],
-        "method": "allow_more_present",
-        "type": "dict",
-        "result": entry["result"],
-    }
-    for entry in DICT_ALLOW_MORE_PRESENT
 ]
 
 
 @pytest.mark.parametrize("entry", DICT_ALLOW_MORE_PRESENT)
-def test_dict_allow_more_present(entry):
+def test_dict_allow_more_present(entry: DAMSpec) -> None:
     assert compare_dict_allow_more_present(entry["av"], entry["bv"]) == entry["result"]
 
 
-@pytest.mark.parametrize("entry", COMPARE_GENERIC)
-def test_compare_generic(entry):
+@pytest.mark.parametrize("entry", COMPARE_GENERIC + DICT_ALLOW_MORE_PRESENT_SPECS)
+def test_compare_generic(entry: Spec) -> None:
     assert (
         compare_generic(entry["a"], entry["b"], entry["method"], entry["type"])
         == entry["result"]
     )
 
 
-def test_convert_duration_to_nanosecond():
+def test_convert_duration_to_nanosecond() -> None:
     nanoseconds = convert_duration_to_nanosecond("5s")
     assert nanoseconds == 5000000000
     nanoseconds = convert_duration_to_nanosecond("1m5s")
     assert nanoseconds == 65000000000
     with pytest.raises(ValueError):
-        convert_duration_to_nanosecond([1, 2, 3])
+        convert_duration_to_nanosecond([1, 2, 3])  # type: ignore
     with pytest.raises(ValueError):
         convert_duration_to_nanosecond("10x")
 
 
-def test_parse_healthcheck():
+def test_parse_healthcheck() -> None:
     result, disabled = parse_healthcheck(
         {
             "test": "sleep 1",

tests/unit/plugins/modules/test_docker_container_copy_into.py

@@ -4,6 +4,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 
 from ansible_collections.community.docker.plugins.modules.docker_container_copy_into import (
@@ -30,7 +32,7 @@ from ansible_collections.community.docker.plugins.modules.docker_container_copy_
         ("-1", -1),
     ],
 )
-def test_parse_string(value, expected):
+def test_parse_string(value: str, expected: int) -> None:
     assert parse_modern(value) == expected
     assert parse_octal_string_only(value) == expected
 
@@ -45,10 +47,10 @@ def test_parse_string(value, expected):
         123456789012345678901234567890123456789012345678901234567890,
     ],
 )
-def test_parse_int(value):
+def test_parse_int(value: int) -> None:
     assert parse_modern(value) == value
     with pytest.raises(TypeError, match=f"^must be an octal string, got {value}L?$"):
-        parse_octal_string_only(value)
+        parse_octal_string_only(value)  # type: ignore
 
 
 @pytest.mark.parametrize(
@@ -60,7 +62,7 @@ def test_parse_int(value):
         {},
     ],
 )
-def test_parse_bad_type(value):
+def test_parse_bad_type(value: t.Any) -> None:
     with pytest.raises(TypeError, match="^must be an octal string or an integer, got "):
         parse_modern(value)
     with pytest.raises(TypeError, match="^must be an octal string, got "):
@@ -75,7 +77,7 @@ def test_parse_bad_type(value):
         "9",
     ],
 )
-def test_parse_bad_value(value):
+def test_parse_bad_value(value: str) -> None:
     with pytest.raises(ValueError):
         parse_modern(value)
     with pytest.raises(ValueError):

tests/unit/plugins/modules/test_docker_image.py

@@ -4,6 +4,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 
 from ansible_collections.community.docker.plugins.module_utils._image_archive import (
@@ -19,19 +21,24 @@ from ..test_support.docker_image_archive_stubbing import (
 )
 
 
-def assert_no_logging(msg):
+if t.TYPE_CHECKING:
+    from collections.abc import Callable
+    from pathlib import Path
+
+
+def assert_no_logging(msg: str) -> t.NoReturn:
     raise AssertionError(f"Should not have logged anything but logged {msg}")
 
 
-def capture_logging(messages):
-    def capture(msg):
+def capture_logging(messages: list[str]) -> Callable[[str], None]:
+    def capture(msg: str) -> None:
         messages.append(msg)
 
     return capture
 
 
 @pytest.fixture
-def tar_file_name(tmpdir):
+def tar_file_name(tmpdir: t.Any) -> str:
     """
     Return the name of a non-existing tar file in an existing temporary directory.
     """
@@ -39,7 +46,7 @@ def tar_file_name(tmpdir):
     return tmpdir.join("foo.tar")
 
 
-def test_archived_image_action_when_missing(tar_file_name):
+def test_archived_image_action_when_missing(tar_file_name: str) -> None:
     fake_name = "a:latest"
     fake_id = "a1"
 
@@ -52,7 +59,7 @@ def test_archived_image_action_when_missing(tar_file_name):
     assert actual == expected
 
 
-def test_archived_image_action_when_current(tar_file_name):
+def test_archived_image_action_when_current(tar_file_name: str) -> None:
     fake_name = "b:latest"
     fake_id = "b2"
 
@@ -65,7 +72,7 @@ def test_archived_image_action_when_current(tar_file_name):
     assert actual is None
 
 
-def test_archived_image_action_when_invalid(tar_file_name):
+def test_archived_image_action_when_invalid(tar_file_name: str) -> None:
     fake_name = "c:1.2.3"
     fake_id = "c3"
 
@@ -73,7 +80,7 @@ def test_archived_image_action_when_invalid(tar_file_name):
 
     expected = f"Archived image {fake_name} to {tar_file_name}, overwriting an unreadable archive file"
 
-    actual_log = []
+    actual_log: list[str] = []
     actual = ImageManager.archived_image_action(
         capture_logging(actual_log), tar_file_name, fake_name, api_image_id(fake_id)
     )
@@ -84,7 +91,7 @@ def test_archived_image_action_when_invalid(tar_file_name):
     assert actual_log[0].startswith("Unable to extract manifest summary from archive")
 
 
-def test_archived_image_action_when_obsolete_by_id(tar_file_name):
+def test_archived_image_action_when_obsolete_by_id(tar_file_name: str) -> None:
     fake_name = "d:0.0.1"
     old_id = "e5"
     new_id = "d4"
@@ -99,7 +106,7 @@ def test_archived_image_action_when_obsolete_by_id(tar_file_name):
     assert actual == expected
 
 
-def test_archived_image_action_when_obsolete_by_name(tar_file_name):
+def test_archived_image_action_when_obsolete_by_name(tar_file_name: str) -> None:
     old_name = "hi"
     new_name = "d:0.0.1"
     fake_id = "d4"

tests/unit/plugins/modules/test_docker_image_build.py

@@ -21,5 +21,5 @@ from ansible_collections.community.docker.plugins.modules.docker_image_build imp
         ('\rhello, "hi" !\n', '"\rhello, ""hi"" !\n"'),
     ],
 )
-def test__quote_csv(value, expected):
+def test__quote_csv(value: str, expected: str) -> None:
     assert _quote_csv(value) == expected

tests/unit/plugins/modules/test_docker_network.py

@@ -6,6 +6,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 
 from ansible_collections.community.docker.plugins.modules.docker_network import (
@@ -23,7 +25,9 @@ from ansible_collections.community.docker.plugins.modules.docker_network import
         ("fdd1:ac8c:0557:7ce2::/128", "ipv6"),
     ],
 )
-def test_validate_cidr_positives(cidr, expected):
+def test_validate_cidr_positives(
+    cidr: str, expected: t.Literal["ipv4", "ipv6"]
+) -> None:
     assert validate_cidr(cidr) == expected
 
 
@@ -36,7 +40,7 @@ def test_validate_cidr_positives(cidr, expected):
         "fdd1:ac8c:0557:7ce2::",
     ],
 )
-def test_validate_cidr_negatives(cidr):
+def test_validate_cidr_negatives(cidr: str) -> None:
     with pytest.raises(ValueError) as e:
         validate_cidr(cidr)
     assert f'"{cidr}" is not a valid CIDR' == str(e.value)

tests/unit/plugins/modules/test_docker_swarm_service.py

@@ -4,66 +4,47 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 
-
-class APIErrorMock(Exception):
-    def __init__(self, message, response=None, explanation=None):
-        self.message = message
-        self.response = response
-        self.explanation = explanation
+from ansible_collections.community.docker.plugins.modules import (
+    docker_swarm_service,
+)
 
 
-@pytest.fixture(autouse=True)
-def docker_module_mock(mocker):
-    docker_module_mock = mocker.MagicMock()
-    docker_utils_module_mock = mocker.MagicMock()
-    docker_errors_module_mock = mocker.MagicMock()
-    docker_errors_module_mock.APIError = APIErrorMock
-    mock_modules = {
-        "docker": docker_module_mock,
-        "docker.utils": docker_utils_module_mock,
-        "docker.errors": docker_errors_module_mock,
-    }
-    return mocker.patch.dict("sys.modules", **mock_modules)
+APIError = pytest.importorskip("docker.errors.APIError")
 
 
-@pytest.fixture(autouse=True)
-def docker_swarm_service():
-    from ansible_collections.community.docker.plugins.modules import (
-        docker_swarm_service,
-    )
-
-    return docker_swarm_service
-
-
-def test_retry_on_out_of_sequence_error(mocker, docker_swarm_service):
+def test_retry_on_out_of_sequence_error(mocker: t.Any) -> None:
     run_mock = mocker.MagicMock(
-        side_effect=APIErrorMock(
+        side_effect=APIError(
             message="",
             response=None,
             explanation="rpc error: code = Unknown desc = update out of sequence",
         )
     )
-    manager = docker_swarm_service.DockerServiceManager(client=None)
-    manager.run = run_mock
-    with pytest.raises(APIErrorMock):
+    mocker.patch("time.sleep")
+    manager = docker_swarm_service.DockerServiceManager(client=None)  # type: ignore
+    manager.run = run_mock  # type: ignore
+    with pytest.raises(APIError):
         manager.run_safe()
     assert run_mock.call_count == 3
 
 
-def test_no_retry_on_general_api_error(mocker, docker_swarm_service):
+def test_no_retry_on_general_api_error(mocker: t.Any) -> None:
     run_mock = mocker.MagicMock(
-        side_effect=APIErrorMock(message="", response=None, explanation="some error")
+        side_effect=APIError(message="", response=None, explanation="some error")
     )
-    manager = docker_swarm_service.DockerServiceManager(client=None)
-    manager.run = run_mock
-    with pytest.raises(APIErrorMock):
+    mocker.patch("time.sleep")
+    manager = docker_swarm_service.DockerServiceManager(client=None)  # type: ignore
+    manager.run = run_mock  # type: ignore
+    with pytest.raises(APIError):
         manager.run_safe()
     assert run_mock.call_count == 1
 
 
-def test_get_docker_environment(mocker, docker_swarm_service):
+def test_get_docker_environment(mocker: t.Any) -> None:
     env_file_result = {"TEST1": "A", "TEST2": "B", "TEST3": "C"}
     env_dict = {"TEST3": "CC", "TEST4": "D"}
     env_string = "TEST3=CC,TEST4=D"
@@ -103,7 +84,7 @@ def test_get_docker_environment(mocker, docker_swarm_service):
     assert result == []
 
 
-def test_get_nanoseconds_from_raw_option(docker_swarm_service):
+def test_get_nanoseconds_from_raw_option() -> None:
     value = docker_swarm_service.get_nanoseconds_from_raw_option("test", None)
     assert value is None
 
@@ -117,7 +98,7 @@ def test_get_nanoseconds_from_raw_option(docker_swarm_service):
         docker_swarm_service.get_nanoseconds_from_raw_option("test", [])
 
 
-def test_has_dict_changed(docker_swarm_service):
+def test_has_dict_changed() -> None:
     assert not docker_swarm_service.has_dict_changed(
         {"a": 1},
         {"a": 1},
@@ -135,8 +116,7 @@ def test_has_dict_changed(docker_swarm_service):
     assert not docker_swarm_service.has_dict_changed(None, {})
 
 
-def test_has_list_changed(docker_swarm_service):
-
+def test_has_list_changed() -> None:
     # List comparisons without dictionaries
     # I could improve the indenting, but pycodestyle wants this instead
     assert not docker_swarm_service.has_list_changed(None, None)
@@ -161,7 +141,7 @@ def test_has_list_changed(docker_swarm_service):
     assert docker_swarm_service.has_list_changed([None, 1], [2, 1])
     assert docker_swarm_service.has_list_changed([2, 1], [None, 1])
     assert docker_swarm_service.has_list_changed(
-        "command --with args", ["command", "--with", "args"]
+        ["command --with args"], ["command", "--with", "args"]
     )
     assert docker_swarm_service.has_list_changed(
         ["sleep", "3400"], ["sleep", "3600"], sort_lists=False
@@ -259,7 +239,7 @@ def test_has_list_changed(docker_swarm_service):
     )
 
 
-def test_have_networks_changed(docker_swarm_service):
+def test_have_networks_changed() -> None:
     assert not docker_swarm_service.have_networks_changed(None, None)
 
     assert not docker_swarm_service.have_networks_changed([], None)
@@ -329,14 +309,14 @@ def test_have_networks_changed(docker_swarm_service):
     )
 
 
-def test_get_docker_networks(docker_swarm_service):
+def test_get_docker_networks() -> None:
     network_names = [
         "network_1",
         "network_2",
         "network_3",
         "network_4",
     ]
-    networks = [
+    networks: list[str | dict[str, t.Any]] = [
         network_names[0],
         {"name": network_names[1]},
         {"name": network_names[2], "aliases": ["networkalias1"]},
@@ -367,28 +347,27 @@ def test_get_docker_networks(docker_swarm_service):
             assert "foo" in network["options"]
     # Test missing name
     with pytest.raises(TypeError):
-        docker_swarm_service.get_docker_networks([{"invalid": "err"}], {"err": 1})
+        docker_swarm_service.get_docker_networks([{"invalid": "err"}], {"err": "x"})
     # test for invalid aliases type
     with pytest.raises(TypeError):
         docker_swarm_service.get_docker_networks(
-            [{"name": "test", "aliases": 1}], {"test": 1}
+            [{"name": "test", "aliases": 1}], {"test": "x"}
         )
     # Test invalid aliases elements
     with pytest.raises(TypeError):
         docker_swarm_service.get_docker_networks(
-            [{"name": "test", "aliases": [1]}], {"test": 1}
+            [{"name": "test", "aliases": [1]}], {"test": "x"}
         )
     # Test for invalid options type
     with pytest.raises(TypeError):
         docker_swarm_service.get_docker_networks(
-            [{"name": "test", "options": 1}], {"test": 1}
+            [{"name": "test", "options": 1}], {"test": "x"}
         )
-    # Test for invalid networks type
-    with pytest.raises(TypeError):
-        docker_swarm_service.get_docker_networks(1, {"test": 1})
     # Test for non existing networks
     with pytest.raises(ValueError):
-        docker_swarm_service.get_docker_networks([{"name": "idontexist"}], {"test": 1})
+        docker_swarm_service.get_docker_networks(
+            [{"name": "idontexist"}], {"test": "x"}
+        )
     # Test empty values
     assert docker_swarm_service.get_docker_networks([], {}) == []
     assert docker_swarm_service.get_docker_networks(None, {}) is None

tests/unit/plugins/plugin_utils/test__unsafe.py

@@ -4,6 +4,8 @@
 
 from __future__ import annotations
 
+import typing as t
+
 import pytest
 from ansible_collections.community.internal_test_tools.tests.unit.utils.trust import (
     SUPPORTS_DATA_TAGGING,
@@ -23,7 +25,9 @@ from ansible_collections.community.docker.plugins.plugin_utils._unsafe import (
 )
 
 
-TEST_MAKE_UNSAFE = [
+TEST_MAKE_UNSAFE: list[
+    tuple[t.Any, list[tuple[t.Any, ...]], list[tuple[t.Any, ...]]]
+] = [
     (
         _make_trusted("text"),
         [],
@@ -97,7 +101,11 @@ if not SUPPORTS_DATA_TAGGING:
 @pytest.mark.parametrize(
     "value, check_unsafe_paths, check_safe_paths", TEST_MAKE_UNSAFE
 )
-def test_make_unsafe(value, check_unsafe_paths, check_safe_paths):
+def test_make_unsafe(
+    value: t.Any,
+    check_unsafe_paths: list[tuple[t.Any, ...]],
+    check_safe_paths: list[tuple[t.Any, ...]],
+) -> None:
     unsafe_value = make_unsafe(value)
     assert unsafe_value == value
     for check_path in check_unsafe_paths:
@@ -112,7 +120,7 @@ def test_make_unsafe(value, check_unsafe_paths, check_safe_paths):
         assert _is_trusted(obj)
 
 
-def test_make_unsafe_idempotence():
+def test_make_unsafe_idempotence() -> None:
     assert make_unsafe(None) is None
 
     unsafe_str = _make_untrusted("{{test}}")
@@ -122,8 +130,8 @@ def test_make_unsafe_idempotence():
     assert id(make_unsafe(safe_str)) != id(safe_str)
 
 
-def test_make_unsafe_dict_key():
-    value = {
+def test_make_unsafe_dict_key() -> None:
+    value: dict[t.Any, t.Any] = {
         _make_trusted("test"): 2,
     }
     if not SUPPORTS_DATA_TAGGING:
@@ -144,8 +152,8 @@ def test_make_unsafe_dict_key():
         assert not _is_trusted(obj)
 
 
-def test_make_unsafe_set():
-    value = set([_make_trusted("test")])
+def test_make_unsafe_set() -> None:
+    value: set[t.Any] = set([_make_trusted("test")])
     if not SUPPORTS_DATA_TAGGING:
         value.add(_make_trusted(b"test"))
     unsafe_value = make_unsafe(value)

tests/unit/plugins/test_support/docker_image_archive_stubbing.py

@@ -6,10 +6,13 @@ from __future__ import annotations
 
 import json
 import tarfile
+import typing as t
 from tempfile import TemporaryFile
 
 
-def write_imitation_archive(file_name, image_id, repo_tags):
+def write_imitation_archive(
+    file_name: str, image_id: str, repo_tags: list[str]
+) -> None:
     """
     Write a tar file meeting these requirements:
 
@@ -21,7 +24,7 @@ def write_imitation_archive(file_name, image_id, repo_tags):
     :type file_name: str
     :param image_id: Fake sha256 hash (without the sha256: prefix)
     :type image_id: str
-    :param repo_tags: list of fake image:tag's
+    :param repo_tags: list of fake image tags
     :type repo_tags: list
     """
 
@@ -30,7 +33,9 @@ def write_imitation_archive(file_name, image_id, repo_tags):
     write_imitation_archive_with_manifest(file_name, manifest)
 
 
-def write_imitation_archive_with_manifest(file_name, manifest):
+def write_imitation_archive_with_manifest(
+    file_name: str, manifest: list[dict[str, t.Any]]
+) -> None:
     with tarfile.open(file_name, "w") as tf:
         with TemporaryFile() as f:
             f.write(json.dumps(manifest).encode("utf-8"))
@@ -42,7 +47,7 @@ def write_imitation_archive_with_manifest(file_name, manifest):
             tf.addfile(ti, f)
 
 
-def write_irrelevant_tar(file_name):
+def write_irrelevant_tar(file_name: str) -> None:
     """
     Create a tar file that does not match the spec for "docker image save" / "docker image load" commands.
 

tests/unit/requirements.txt

@@ -2,4 +2,5 @@
 # GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+docker
 requests