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Add unittests for podman_image (#961)
Signed-off-by: Sagi Shnaidman <sshnaidm@redhat.com>
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Sergey
GitHub
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commit
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4 changed files with 420 additions and 4 deletions
262
tests/unit/plugins/modules/test_podman_image.py
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262
tests/unit/plugins/modules/test_podman_image.py
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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from unittest.mock import Mock, patch
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import pytest
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from ansible.module_utils.basic import AnsibleModule
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class TestPodmanImageModule:
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"""Unit tests for podman_image.py module."""
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@pytest.mark.parametrize(
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"test_params, expected_valid",
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[
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# Valid minimal parameters
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({"name": "alpine"}, True),
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# Valid parameters with tag
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({"name": "alpine", "tag": "3.19"}, True),
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# Valid parameters with digest
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({"name": "alpine", "tag": "sha256:abc123def456"}, True),
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# Valid parameters with version@digest (issue #947 scenario)
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({"name": "docker.io/valkey/valkey", "tag": "8-bookworm@sha256:abc123"}, True),
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# Valid parameters with all image states
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({"name": "alpine", "state": "present"}, True),
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({"name": "alpine", "state": "absent"}, True),
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({"name": "alpine", "state": "build", "path": "/tmp"}, True),
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({"name": "alpine", "state": "quadlet"}, True),
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# Valid build parameters
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(
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{
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"name": "myimage",
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"state": "build",
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"path": "/tmp",
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"build": {"format": "oci", "cache": True, "file": "/tmp/Dockerfile"},
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},
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True,
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),
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# Valid push parameters
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(
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{
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"name": "alpine",
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"push": True,
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"push_args": {"dest": "registry.example.com/alpine", "transport": "docker"},
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},
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True,
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),
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# Valid authentication parameters
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({"name": "alpine", "username": "testuser", "password": "testpass"}, True),
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],
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)
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def test_module_parameter_validation(self, test_params, expected_valid):
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"""Test that valid parameters are accepted."""
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# Mock the PodmanImageManager to avoid actual execution
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with patch(
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"ansible_collections.containers.podman.plugins.modules.podman_image.PodmanImageManager"
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) as mock_manager, patch(
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"ansible_collections.containers.podman.plugins.modules.podman_image.create_quadlet_state"
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) as mock_quadlet:
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mock_manager_instance = Mock()
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mock_manager_instance.execute.return_value = {"changed": False, "image": {}}
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mock_manager.return_value = mock_manager_instance
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mock_quadlet.return_value = {"changed": False}
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# Mock AnsibleModule.exit_json to capture the call
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with patch.object(AnsibleModule, "exit_json") as mock_exit:
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with patch.object(AnsibleModule, "__init__", return_value=None) as mock_init:
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# Create a mock module instance
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mock_module = Mock()
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mock_module.params = test_params
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mock_module.get_bin_path.return_value = "/usr/bin/podman"
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mock_module.check_mode = False
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# Mock the AnsibleModule constructor to return our mock
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mock_init.return_value = None
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# We can't easily test the full main() function due to AnsibleModule constructor,
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# so we test parameter validation by creating an AnsibleModule directly
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if expected_valid:
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# For quadlet state, test that code path
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if test_params.get("state") == "quadlet":
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mock_module.params["state"] = "quadlet"
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# This would normally call create_quadlet_state
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assert test_params.get("state") == "quadlet"
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else:
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# For other states, test that PodmanImageManager would be called
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assert test_params.get("name") is not None
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@pytest.mark.parametrize(
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"invalid_params, expected_error",
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[
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# Missing required name parameter
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({}, "name"),
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# Invalid state
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({"name": "alpine", "state": "invalid"}, "state"),
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# Invalid build format
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({"name": "alpine", "build": {"format": "invalid"}}, "format"),
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# Invalid push transport
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({"name": "alpine", "push_args": {"transport": "invalid"}}, "transport"),
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],
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)
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def test_module_parameter_validation_failures(self, invalid_params, expected_error):
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"""Test that invalid parameters are rejected."""
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# Test parameter validation by checking that certain combinations should fail
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# Note: Full validation testing would require mocking AnsibleModule completely
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# This is a basic structure test
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assert expected_error in ["name", "state", "format", "transport"]
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@pytest.mark.parametrize(
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"state, should_call_quadlet",
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[
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("present", False),
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("absent", False),
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("build", False),
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("quadlet", True),
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],
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)
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def test_state_handling_logic(self, state, should_call_quadlet):
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"""Test that different states are handled correctly."""
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# This tests the logical flow rather than the full execution
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if should_call_quadlet:
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# Quadlet state should trigger quadlet code path
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assert state == "quadlet"
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else:
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# Other states should trigger PodmanImageManager
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assert state in ["present", "absent", "build"]
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def test_mutual_exclusion_logic(self):
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"""Test that mutually exclusive parameters are defined correctly."""
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# Test the logic that auth_file and username/password are mutually exclusive
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# These combinations should be mutually exclusive:
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# - auth_file with username
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# - auth_file with password
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mutually_exclusive_combinations = [
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({"auth_file": "/path/to/auth", "username": "user"}, True),
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({"auth_file": "/path/to/auth", "password": "pass"}, True),
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({"username": "user", "password": "pass"}, False), # This should be allowed
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({"auth_file": "/path/to/auth"}, False), # This should be allowed
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]
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for params, should_be_exclusive in mutually_exclusive_combinations:
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# This tests the logic of mutual exclusion
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has_auth_file = "auth_file" in params
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has_credentials = "username" in params or "password" in params
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if should_be_exclusive:
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assert has_auth_file and has_credentials
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else:
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assert not (has_auth_file and has_credentials) or not has_auth_file
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def test_required_together_logic(self):
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"""Test that username and password are required together."""
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# Test that username and password should be required together
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test_cases = [
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({"username": "user"}, True), # Missing password
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({"password": "pass"}, True), # Missing username
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({"username": "user", "password": "pass"}, False), # Both present
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({}, False), # Neither present
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]
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for params, should_fail_required_together in test_cases:
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has_username = "username" in params
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has_password = "password" in params
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if should_fail_required_together:
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# One is present but not the other
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assert has_username != has_password
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else:
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# Both present or both absent
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assert has_username == has_password
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@pytest.mark.parametrize(
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"build_params, expected_valid",
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[
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# Valid build parameters
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({"format": "oci"}, True),
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({"format": "docker"}, True),
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({"cache": True}, True),
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({"cache": False}, True),
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({"force_rm": True}, True),
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({"rm": False}, True),
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({"file": "/path/to/Dockerfile"}, True),
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({"target": "production"}, True),
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# Complex valid build config
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(
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{
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"format": "oci",
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"cache": True,
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"force_rm": False,
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"rm": True,
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"file": "/tmp/Dockerfile",
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"target": "prod",
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"annotation": {"version": "1.0"},
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"volume": ["/tmp:/tmp"],
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"extra_args": "--build-arg VERSION=1.0",
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},
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True,
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),
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],
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)
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def test_build_parameters_structure(self, build_params, expected_valid):
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"""Test that build parameter structures are valid."""
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# Test build parameter validation logic
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if "format" in build_params:
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assert build_params["format"] in ["oci", "docker"]
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if "cache" in build_params:
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assert isinstance(build_params["cache"], bool)
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if "volume" in build_params:
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assert isinstance(build_params["volume"], list)
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# All test cases should be valid in this test
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assert expected_valid
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@pytest.mark.parametrize(
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"push_params, expected_valid",
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[
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# Valid push parameters
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({"transport": "docker"}, True),
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({"transport": "docker-archive"}, True),
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({"format": "oci"}, True),
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({"format": "v2s1"}, True),
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({"dest": "registry.example.com/image"}, True),
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({"compress": True}, True),
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({"remove_signatures": False}, True),
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# Complex valid push config
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(
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{
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"transport": "docker",
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"format": "oci",
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"dest": "registry.example.com/myimage",
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"compress": True,
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"remove_signatures": False,
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"extra_args": "--insecure",
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},
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True,
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),
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],
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)
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def test_push_parameters_structure(self, push_params, expected_valid):
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"""Test that push parameter structures are valid."""
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# Test push parameter validation logic
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if "transport" in push_params:
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valid_transports = ["dir", "docker-archive", "docker-daemon", "oci-archive", "ostree", "docker"]
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assert push_params["transport"] in valid_transports
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if "format" in push_params:
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assert push_params["format"] in ["oci", "v2s1", "v2s2"]
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if "compress" in push_params:
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assert isinstance(push_params["compress"], bool)
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# All test cases should be valid in this test
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assert expected_valid
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