def test_replace_original(self, ecmd):
processor = FileProcessor('another-input.mkv', None, 'roku')
# Replace original, make sure output is updated
processor.replace_original()
cmd = ['mv', 'tmp.mkv', 'another-input.mkv']
ecmd.assert_called_once_with(cmd)
self.assertEqual(processor.output, 'another-input.mkv')
