class TestVideoConverter(unittest.TestCase):
def setUp(self):
self.mock_executor = MagicMock(spec=Executor)
self.mock_executor.execute.return_value = 0
self.test_model = VideoConverter(self.mock_executor)
def __run_test(self):
self.test_model.convert_to_mp4(PATH_TO_INPUT, PATH_TO_OUTPUT, CREATE_TIME)
def test_it_should_properly_form_the_shell_command(self):
self.__run_test()
self.mock_executor.execute.assert_called_once_with(
[
"ffmpeg",
"-y",
"-i",
PATH_TO_INPUT,
"-threads",
"16",
"-f",
"mp4",
"-metadata",
"creation_time=2015-11-18 00:00:00",
PATH_TO_OUTPUT,
]
)
def test_it_should_raise_an_error_if_the_conversion_failed(self):
self.mock_executor.execute.side_effect = CalledProcessError(1, "cmd")
with self.assertRaises(RuntimeError):
self.__run_test()
