Add basic CI.

tests/integration/targets/docker_context_info/aliases

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+# Copyright (c) Ansible Project
+# 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
+
+azp/5
+destructive

tests/integration/targets/docker_context_info/meta/main.yml

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+---
+# Copyright (c) Ansible Project
+# 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
+
+dependencies:
+  - setup_docker
+  - setup_docker_python_deps

tests/integration/targets/docker_context_info/tasks/main.yml

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+---
+# Copyright (c) Ansible Project
+# 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
+
+####################################################################
+# WARNING: These are designed specifically for Ansible tests       #
+# and should not be used as examples of how to write Ansible roles #
+####################################################################
+
+# Create random name prefix (for containers, networks, ...)
+- name: Create random container name prefix
+  set_fact:
+    cname_prefix: "{{ 'ansible-docker-test-%0x' % ((2**32) | random) }}"
+    cnames: []
+
+- debug:
+    msg: "Using container name prefix {{ cname_prefix }}"
+
+# Run the tests
+- block:
+    - include_tasks: run-test.yml
+      with_fileglob:
+        - "tests/*.yml"
+      loop_control:
+        loop_var: test_name
+
+  always:
+    - name: "Make sure all containers are removed"
+      docker_container:
+        name: "{{ item }}"
+        state: absent
+        force_kill: true
+      with_items: "{{ cnames }}"
+      diff: false
+
+  when: docker_api_version is version('1.25', '>=')
+
+- fail: msg="Too old docker / docker-py version to run all docker_container tests!"
+  when: not(docker_api_version is version('1.25', '>=')) and (ansible_distribution != 'CentOS' or ansible_distribution_major_version|int > 6)

tests/integration/targets/docker_context_info/tasks/run-test.yml

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+---
+# Copyright (c) Ansible Project
+# 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
+
+- name: "Loading tasks from {{ test_name }}"
+  include_tasks: "{{ test_name }}"

tests/integration/targets/docker_context_info/tasks/tests/default-context.yml

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+---
+# Copyright (c) Ansible Project
+# 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
+
+- name: Registering container name
+  set_fact:
+    cname: "{{ cname_prefix ~ '-hi' }}"
+- name: Registering container name
+  set_fact:
+    cnames: "{{ cnames + [cname] }}"
+
+- name: Get current context
+  community.docker.docker_context_info:
+    only_current: true
+  register: docker_current_context
+
+- assert:
+    that:
+      - docker_current_context is not changed
+      # Some of the following tests will not be true on all machines, but they should be in CI:
+      - docker_current_context.current_context_name == 'default'
+      - docker_current_context.contexts | length == 1
+      - docker_current_context.contexts[0].name == 'default'
+      - docker_current_context.contexts[0].current == true
+      - docker_current_context.contexts[0].description == 'Current DOCKER_HOST based configuration'
+      - docker_current_context.contexts[0].meta_path is none
+      - docker_current_context.contexts[0].tls_path is none
+      - docker_current_context.contexts[0].config.docker_host == 'unix:///var/run/docker.sock'
+      - docker_current_context.contexts[0].config.tls == false
+
+- name: Run community.docker modules with current context
+  module_defaults:
+    group/community.docker.docker: "{{ docker_current_context.contexts[0].config }}"
+  block:
+    - name: Create container
+      docker_container:
+        image: "{{ docker_test_image_alpine }}"
+        command: '/bin/sh -c "sleep 10m"'
+        name: "{{ cname }}"
+        state: present
+      register: create_1
+
+    - name: Create container (idempotent)
+      docker_container:
+        image: "{{ docker_test_image_alpine }}"
+        command: '/bin/sh -c "sleep 10m"'
+        name: "{{ cname }}"
+        state: present
+      register: create_2
+
+    - assert:
+        that:
+        - create_1 is changed
+        - create_2 is not changed
+
+    - name: Inspect container with CLI tool
+      ansible.builtin.command:
+        cmd: docker inspect {{ cname }}
+      register: result
+
+    - assert:
+        that:
+          - (result.stdout | from_json) | length == 1
+          - (result.stdout | from_json)[0].State.Status == "created"
+
+    - name: Start container
+      docker_container:
+        name: "{{ cname }}"
+        state: started
+      register: start_1
+
+    - name: Start container (idempotent)
+      docker_container:
+        name: "{{ cname }}"
+        state: started
+      register: start_2
+
+    - assert:
+        that:
+        - start_1 is changed
+        - start_2 is not changed
+
+    - name: Inspect container with CLI tool
+      ansible.builtin.command:
+        cmd: docker inspect {{ cname }}
+      register: result
+
+    - assert:
+        that:
+          - (result.stdout | from_json) | length == 1
+          - (result.stdout | from_json)[0].State.Status == "running"
+
+    - name: Remove container
+      docker_container:
+        name: "{{ cname }}"
+        state: absent
+        force_kill: true
+      register: remove_1
+
+    - name: Remove container (idempotent)
+      docker_container:
+        name: "{{ cname }}"
+        state: absent
+        force_kill: true
+      register: remove_2
+
+    - assert:
+        that:
+        - remove_1 is changed
+        - remove_2 is not changed
+
+    - name: Inspect container with CLI tool
+      ansible.builtin.command:
+        cmd: docker inspect {{ cname }}
+      register: result
+      failed_when: result.rc != 1
+
+    - assert:
+        that:
+          - (result.stdout | from_json) | length == 0