from nose.tools import * from airtime_analyzer.replaygain_analyzer import ReplayGainAnalyzer def check_default_metadata(metadata): ''' Check that the values extract by Silan/CuePointAnalyzer on our test audio files match what we expect. :param metadata: a metadata dictionary :return: Nothing ''' ''' # We give python-rgain some leeway here by specifying a tolerance. It's not perfectly consistent across codecs... assert abs(metadata['cuein']) < tolerance_seconds assert abs(metadata['cueout'] - length_seconds) < tolerance_seconds ''' tolerance = 0.30 expected_replaygain = 5.0 print metadata['replay_gain'] assert abs(metadata['replay_gain'] - expected_replaygain) < tolerance def test_missing_replaygain(): old_rg = ReplayGainAnalyzer.REPLAYGAIN_EXECUTABLE ReplayGainAnalyzer.REPLAYGAIN_EXECUTABLE = 'foosdaf' metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-stereo-utf8.mp3', dict()) ReplayGainAnalyzer.REPLAYGAIN_EXECUTABLE = old_rg # Need to put this back def test_invalid_filepath(): metadata = ReplayGainAnalyzer.analyze(u'non-existent-file', dict()) def test_mp3_utf8(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-stereo-utf8.mp3', dict()) check_default_metadata(metadata) def test_mp3_dualmono(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-dualmono.mp3', dict()) check_default_metadata(metadata) def test_mp3_jointstereo(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-jointstereo.mp3', dict()) check_default_metadata(metadata) def test_mp3_simplestereo(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-simplestereo.mp3', dict()) check_default_metadata(metadata) def test_mp3_stereo(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-stereo.mp3', dict()) check_default_metadata(metadata) def test_mp3_mono(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-mono.mp3', dict()) check_default_metadata(metadata) def test_ogg_stereo(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-stereo.ogg', dict()) check_default_metadata(metadata) def test_invalid_wma(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-stereo-invalid.wma', dict()) def test_mp3_missing_id3_header(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-mp3-missingid3header.mp3', dict()) def test_m4a_stereo(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-stereo.m4a', dict()) check_default_metadata(metadata) ''' WAVE is not supported by python-rgain yet def test_wav_stereo(): metadata = ReplayGainAnalyzer.analyze(u'tests/test_data/44100Hz-16bit-stereo.wav', dict()) check_default_metadata(metadata) '''