File size: 6,331 Bytes
c7e47b2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | """ Tests for utils.py """
import unittest
import medleydb
from medleydb import utils
from medleydb import multitrack
class TestLoadTrackList(unittest.TestCase):
def setUp(self):
self.track_list = medleydb.TRACK_LIST_V1
def test_length(self):
self.assertEqual(len(self.track_list), 122)
def test_inclusion(self):
self.assertTrue('MusicDelta_SwingJazz' in set(self.track_list))
def test_inclusion2(self):
self.assertTrue('Grants_PunchDrunk' in set(self.track_list))
class TestLoadMelodyMultitracks(unittest.TestCase):
def setUp(self):
self.melody_mtracks = utils.load_melody_multitracks()
self.first_track = next(self.melody_mtracks)
def test_object_type(self):
self.assertTrue(isinstance(self.first_track, multitrack.MultiTrack))
def test_id(self):
self.assertEqual(
self.first_track.track_id, 'AClassicEducation_NightOwl'
)
class TestLoadAllMultitracks(unittest.TestCase):
def test_object_type(self):
mtracks = utils.load_all_multitracks()
first_track = next(mtracks)
self.assertTrue(isinstance(first_track, multitrack.MultiTrack))
def test_id(self):
mtracks = utils.load_all_multitracks()
first_track = next(mtracks)
self.assertEqual(
first_track.track_id, 'AClassicEducation_NightOwl'
)
def test_load_version2(self):
mtracks = utils.load_all_multitracks(dataset_version=['V2'])
first_track = next(mtracks)
self.assertEqual(
first_track.track_id, 'Allegria_MendelssohnMovement1'
)
def test_load_version_extra(self):
mtracks = utils.load_all_multitracks(dataset_version=['EXTRA'])
first_track = next(mtracks)
self.assertEqual(
first_track.track_id, 'AHa_TakeOnMe'
)
def test_load_bach10(self):
mtracks = utils.load_all_multitracks(dataset_version=['BACH10'])
first_track = next(mtracks)
self.assertEqual(
first_track.track_id, 'Bach10_01AchGottundHerr'
)
class TestLoadMultitracks(unittest.TestCase):
def test_single_track(self):
res = utils.load_multitracks(['MusicDelta_SwingJazz'])
track = next(res)
self.assertEqual(track.track_id, 'MusicDelta_SwingJazz')
def test_two_tracks(self):
res = utils.load_multitracks(['AmarLal_Rest', 'AmarLal_SpringDay1'])
res_list = list(res)
self.assertEqual(len(res_list), 2)
def test_bad_id(self):
res = utils.load_multitracks(
['MusicDelta_Reggae', 'RickAstley_NeverGonnaGiveYouUp']
)
with self.assertRaises(IOError):
list(res)
class TestGetFilesForInstrument(unittest.TestCase):
def setUp(self):
self.files = ['AimeeNorwich_Flying', 'MusicDelta_Reggae']
self.mtrack_list = utils.load_multitracks(self.files)
def test_defaults(self):
erhu_files = utils.get_files_for_instrument('erhu')
self.assertEqual(len(list(erhu_files)), 6)
def test_subset(self):
trombone_files = utils.get_files_for_instrument(
'trombone', self.mtrack_list
)
self.assertEqual(len(list(trombone_files)), 2)
def test_subset2(self):
male_singer_files = utils.get_files_for_instrument(
'male singer', self.mtrack_list
)
self.assertEqual(len(list(male_singer_files)), 1)
def test_invalid_inst(self):
with self.assertRaises(ValueError):
list(utils.get_files_for_instrument('mayonnaise'))
class TestTrainTestSplit(unittest.TestCase):
def test_defaults(self):
splits = utils.artist_conditional_split()
expected_len = 5
actual_len = len(splits)
self.assertEqual(expected_len, actual_len)
expected_keys = ['test', 'train']
actual_keys = sorted(splits[0].keys())
self.assertEqual(expected_keys, actual_keys)
def test_trackid_list(self):
trackid_list = [
'EthanHein_BluesForNofi',
'EthanHein_GirlOnABridge',
'CroqueMadame_Oil',
'CroqueMadame_Pilot',
'Meaxic_TakeAStep',
'Meaxic_YouListen'
]
splits = utils.artist_conditional_split(
trackid_list=trackid_list, num_splits=1
)
# Verify that the number of splits is correct
self.assertEqual(1, len(splits))
# Verify that the splits span the entire track list
self.assertEqual(
sorted(trackid_list),
sorted(splits[0]['train'] + splits[0]['test'])
)
# Verify that sets don't intersect, and that neither is empty
self.assertEqual(set(splits[0]['train']) & set(splits[0]['test']),
set())
self.assertNotEqual(len(splits[0]['train']), 0)
self.assertNotEqual(len(splits[0]['test']), 0)
def test_artist_index(self):
trackid_list = [
'EthanHein_BluesForNofi',
'EthanHein_GirlOnABridge',
'CroqueMadame_Oil',
'CroqueMadame_Pilot',
'Meaxic_TakeAStep',
'Meaxic_YouListen'
]
artist_index = {
'EthanHein_BluesForNofi': 'E',
'EthanHein_GirlOnABridge': 'E',
'CroqueMadame_Oil': 'C1',
'CroqueMadame_Pilot': 'C2',
'Meaxic_TakeAStep': 'M',
'Meaxic_YouListen': 'M'
}
splits = utils.artist_conditional_split(
trackid_list=trackid_list, artist_index=artist_index, num_splits=1
)
self.assertEqual(1, len(splits))
self.assertEqual(
sorted(trackid_list),
sorted(splits[0]['train'] + splits[0]['test'])
)
# Same tests as above
self.assertEqual(set(splits[0]['train']) & set(splits[0]['test']),
set())
self.assertNotEqual(len(splits[0]['train']), 0)
self.assertNotEqual(len(splits[0]['test']), 0)
# Also make sure that artists are partitioned properly
train_artists = set([artist_index[t] for t in splits[0]['train']])
test_artists = set([artist_index[t] for t in splits[0]['test']])
self.assertEqual(train_artists & test_artists, set())
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