mirror of
https://github.com/ansible-collections/community.docker.git
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90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
# Copyright 2022 Red Hat | Ansible
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import annotations
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import tarfile
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import pytest
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from ansible_collections.community.docker.plugins.module_utils._image_archive import (
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ImageArchiveInvalidException,
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api_image_id,
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archived_image_manifest,
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)
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from ..test_support.docker_image_archive_stubbing import (
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write_imitation_archive,
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write_imitation_archive_with_manifest,
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write_irrelevant_tar,
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)
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@pytest.fixture
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def tar_file_name(tmpdir):
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"""
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Return the name of a non-existing tar file in an existing temporary directory.
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"""
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# Cast to str required by Python 2.x
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return str(tmpdir.join("foo.tar"))
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@pytest.mark.parametrize(
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"expected, value", [("sha256:foo", "foo"), ("sha256:bar", "bar")]
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)
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def test_api_image_id_from_archive_id(expected, value):
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assert api_image_id(value) == expected
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def test_archived_image_manifest_extracts(tar_file_name):
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expected_id = "abcde12345"
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expected_tags = ["foo:latest", "bar:v1"]
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write_imitation_archive(tar_file_name, expected_id, expected_tags)
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actual = archived_image_manifest(tar_file_name)
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assert actual.image_id == expected_id
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assert actual.repo_tags == expected_tags
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def test_archived_image_manifest_extracts_nothing_when_file_not_present(tar_file_name):
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image_id = archived_image_manifest(tar_file_name)
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assert image_id is None
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def test_archived_image_manifest_raises_when_file_not_a_tar():
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try:
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archived_image_manifest(__file__)
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raise AssertionError()
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except ImageArchiveInvalidException as e:
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assert isinstance(e.__cause__, tarfile.ReadError)
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assert str(__file__) in str(e)
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def test_archived_image_manifest_raises_when_tar_missing_manifest(tar_file_name):
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write_irrelevant_tar(tar_file_name)
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try:
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archived_image_manifest(tar_file_name)
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raise AssertionError()
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except ImageArchiveInvalidException as e:
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assert isinstance(e.__cause__, KeyError)
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assert "manifest.json" in str(e.__cause__)
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def test_archived_image_manifest_raises_when_manifest_missing_id(tar_file_name):
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manifest = [{"foo": "bar"}]
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write_imitation_archive_with_manifest(tar_file_name, manifest)
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try:
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archived_image_manifest(tar_file_name)
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raise AssertionError()
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except ImageArchiveInvalidException as e:
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assert isinstance(e.__cause__, KeyError)
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assert "Config" in str(e.__cause__)
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