def test_image_is_replaced(self, monkeypatch):
task = RemoveImage(image="original")
api = MagicMock()
monkeypatch.setattr("docker.APIClient", api)
task.run(image="test")
assert api.return_value.remove_image.call_args[1]["image"] == "test"
def test_image_run_value_is_used(self, monkeypatch):
task = RemoveImage()
api = MagicMock()
monkeypatch.setattr("prefect.tasks.docker.containers.docker.APIClient",
api)
task.run(image="test")
assert api.return_value.remove_image.call_args[1]["image"] == "test"
def test_doesnt_log_on_param_failure(self, monkeypatch, caplog):
task = RemoveImage()
api = MagicMock()
monkeypatch.setattr("docker.APIClient", api)
self.assert_doesnt_log_on_param_failure(task, caplog)
def test_logs_twice_on_success(self, monkeypatch, caplog):
image = "test image"
task = RemoveImage(image=image)
api = MagicMock()
monkeypatch.setattr("docker.APIClient", api)
self.assert_logs_twice_on_success(task, caplog)
def test_logs_once_on_docker_api_failure(self, monkeypatch, caplog):
task = RemoveImage(image="test")
api = MagicMock()
remove_mock = MagicMock(
side_effect=docker.errors.DockerException("Docker specific error"))
api.return_value.remove_image = remove_mock
monkeypatch.setattr("docker.APIClient", api)
self.assert_logs_once_on_docker_api_failure(task, caplog)
def test_invalid_image_raises_error(self):
task = RemoveImage()
with pytest.raises(ValueError):
task.run(image=None)
def test_empty_image_raises_error(self):
task = RemoveImage()
with pytest.raises(ValueError):
task.run()
def test_filled_initialization(self):
task = RemoveImage(image="test", force=True, docker_server_url="test")
assert task.image == "test"
assert task.force is True
assert task.docker_server_url == "test"
def test_empty_initialization(self):
task = RemoveImage()
assert not task.image
assert not task.force
assert task.docker_server_url == "unix:///var/run/docker.sock"