def test_image_and_repository_is_replaced(self, monkeypatch):
task = TagImage(image="original", repository="original")
api = MagicMock()
monkeypatch.setattr("docker.APIClient", api)
task.run(image="test", repository="test")
assert api.return_value.tag.call_args[1]["image"] == "test"
assert api.return_value.tag.call_args[1]["repository"] == "test"
def test_image_and_repository_run_value_is_used(self, monkeypatch):
task = TagImage()
api = MagicMock()
monkeypatch.setattr("prefect.tasks.docker.containers.docker.APIClient",
api)
task.run(image="test", repository="test")
assert api.return_value.tag.call_args[1]["image"] == "test"
assert api.return_value.tag.call_args[1]["repository"] == "test"
def test_returns_tag_value(self, monkeypatch, caplog):
image = "an image thats going to get tagged"
task = TagImage(image=image)
expected_docker_output = image
api = MagicMock()
api.return_value.tag = MagicMock(return_value=expected_docker_output)
monkeypatch.setattr("docker.APIClient", api)
with caplog.at_level(logging.DEBUG, logger=task.logger.name):
actual = task.run(image=image, repository="test")
assert actual == expected_docker_output
def test_invalid_image_raises_error(self):
task = TagImage()
with pytest.raises(ValueError):
task.run(image=None)
def test_empty_image_raises_error(self):
task = TagImage()
with pytest.raises(ValueError):
task.run()
