def test_repository_name_is_replaced(self, monkeypatch):
task = ListImages(repository_name="original")
api = MagicMock()
monkeypatch.setattr("docker.APIClient", api)
task.run(repository_name="test")
assert api.return_value.images.call_args[1]["name"] == "test"
def test_repository_name_run_value_is_used(self, monkeypatch):
task = ListImages()
api = MagicMock()
monkeypatch.setattr("prefect.tasks.docker.containers.docker.APIClient",
api)
task.run(repository_name="test")
assert api.return_value.images.call_args[1]["name"] == "test"
def test_logs_twice_on_success(self, monkeypatch, caplog):
repo_name = "test repo"
task = ListImages(repository_name=repo_name)
api = MagicMock()
monkeypatch.setattr("docker.APIClient", api)
self.assert_logs_twice_on_success(task, caplog)
def test_filled_initialization(self):
task = ListImages(repository_name="test",
all_layers=True,
docker_server_url="test")
assert task.repository_name == "test"
assert task.all_layers == True
assert task.docker_server_url == "test"
def test_returns_list_images_value(self, monkeypatch, caplog):
repo_name = "test repo"
task = ListImages(repository_name=repo_name)
api = MagicMock()
expected_docker_output = [
"A real image", "A second, equally real image"
]
api.return_value.images = MagicMock(
return_value=expected_docker_output)
monkeypatch.setattr("docker.APIClient", api)
with caplog.at_level(logging.DEBUG, logger=task.logger.name):
result = task.run()
assert result == expected_docker_output
assert len(caplog.records) == 2
def test_logs_once_on_docker_api_failure(self, monkeypatch, caplog):
repo_name = "test_repo"
task = ListImages(repository_name=repo_name)
api = MagicMock()
images_mock = MagicMock(
side_effect=docker.errors.DockerException("Docker specific error"))
api.return_value.images = images_mock
monkeypatch.setattr("docker.APIClient", api)
self.assert_logs_once_on_docker_api_failure(task, caplog)
def test_empty_initialization(self):
task = ListImages()
assert not task.repository_name
assert not task.all_layers
assert not task.filters
assert task.docker_server_url == "unix:///var/run/docker.sock"
