def test_list_codecs(self): f = FFMpeg() codecs = f.list_codecs() codec = codecs[0] _codec = { '012v': { 'codec_type': 'video', 'decoding': True, 'description': 'Uncompressed 4:2:2 10-bit', 'intraframe_only': True } } self.assertIsInstance(codecs, list) self.assertIsInstance(codec, dict) self.assertEqual(414, len(codecs)) self.assertDictEqual(codec, _codec)