def test_track():
# test data home None
track_default = rwc_jazz.Track('RM-J004')
assert track_default._data_home == os.path.join(DEFAULT_DATA_HOME,
'RWC-Jazz')
# test data_home where the test data lives
data_home = 'tests/resources/mir_datasets/RWC-Jazz'
with pytest.raises(ValueError):
rwc_jazz.Track('asdfasdf', data_home=data_home)
track = rwc_jazz.Track('RM-J004', data_home=data_home)
# test attributes are loaded as expected
assert track.track_id == 'RM-J004'
assert track._data_home == data_home
assert track._track_paths == {
'audio': ['audio/rwc-j-m01/4.wav', '7887ad17b7e4dcad9aa4605482e36cfa'],
'sections': [
'annotations/AIST.RWC-MDB-J-2001.CHORUS/RM-J004.CHORUS.TXT',
'59cd67199cce9da16283b85338e5a9af',
],
'beats': [
'annotations/AIST.RWC-MDB-J-2001.BEAT/RM-J004.BEAT.TXT',
'f3159206ae2f0aa86901248148f4021f',
],
}
assert (track.audio_path == 'tests/resources/mir_datasets/RWC-Jazz/' +
'audio/rwc-j-m01/4.wav')
assert track.piece_number == 'No. 4'
assert track.suffix == 'M01'
assert track.track_number == 'Tr. 04'
assert track.title == 'Crescent Serenade (Piano Solo)'
assert track.artist == 'Makoto Nakamura'
assert track.duration == 167
assert track.variation == 'Instrumentation 1'
assert track.instruments == 'Pf'
# test that cached properties don't fail and have the expected type
assert type(track.sections) is utils.SectionData
assert type(track.beats) is utils.BeatData
# test audio loading functions
y, sr = track.audio
assert sr == 44100
assert y.shape == (44100 * 2, )
repr_string = (
"RWC-Jazz Track(track_id=RM-J004, " +
"audio_path=tests/resources/mir_datasets/RWC-Jazz/audio/rwc-j-m01/4.wav, "
+ "piece_number=No. 4, suffix=M01, track_number=Tr. 04, " +
"title=Crescent Serenade (Piano Solo), artist=Makoto Nakamura, " +
"duration=167.0, variation=Instrumentation 1, instruments=Pf, " +
"sections=SectionData('intervals', 'labels'), " +
"beats=BeatData('beat_times', 'beat_positions'))")
assert track.__repr__() == repr_string
print(track.to_jams())
def test_track():
default_trackid = 'RM-J004'
data_home = 'tests/resources/mir_datasets/RWC-Jazz'
track = rwc_jazz.Track(default_trackid, data_home=data_home)
expected_attributes = {
'track_id': 'RM-J004',
'audio_path':
'tests/resources/mir_datasets/RWC-Jazz/' + 'audio/rwc-j-m01/4.wav',
'sections_path': 'tests/resources/mir_datasets/RWC-Jazz/' +
'annotations/AIST.RWC-MDB-J-2001.CHORUS/RM-J004.CHORUS.TXT',
'beats_path': 'tests/resources/mir_datasets/RWC-Jazz/' +
'annotations/AIST.RWC-MDB-J-2001.BEAT/RM-J004.BEAT.TXT',
'piece_number': 'No. 4',
'suffix': 'M01',
'track_number': 'Tr. 04',
'title': 'Crescent Serenade (Piano Solo)',
'artist': 'Makoto Nakamura',
'duration': 167,
'variation': 'Instrumentation 1',
'instruments': 'Pf',
}
expected_property_types = {
'beats': utils.BeatData,
'sections': utils.SectionData
}
run_track_tests(track, expected_attributes, expected_property_types)
# test audio loading functions
y, sr = track.audio
assert sr == 44100
assert y.shape == (44100 * 2, )
def test_to_jams():
data_home = 'tests/resources/mir_datasets/RWC-Jazz'
track = rwc_jazz.Track('RM-J004', data_home=data_home)
jam = track.to_jams()
beats = jam.search(namespace='beat')[0]['data']
assert [beat.time for beat in beats] == [
0.05,
0.86,
1.67,
2.48,
3.29,
4.1,
4.91,
5.72,
6.53,
7.34,
]
assert [beat.duration for beat in beats] == [
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
0.0,
]
assert [beat.value for beat in beats] == [1, 2, 1, 2, 1, 2, 1, 2, 1, 2]
assert [beat.confidence for beat in beats] == [
None,
None,
None,
None,
None,
None,
None,
None,
None,
None,
]
segments = jam.search(namespace='segment')[0]['data']
assert [segment.time for segment in segments] == [0.05, 6.53, 152.06]
assert [segment.duration for segment in segments] == [
6.48,
13.099999999999998,
13.319999999999993,
]
assert [segment.value for segment in segments] == [
'nothing',
'chorus A',
'chorus B',
]
assert [segment.confidence for segment in segments] == [None, None, None]
assert jam['file_metadata']['title'] == 'Crescent Serenade (Piano Solo)'
assert jam['file_metadata']['artist'] == 'Makoto Nakamura'