medleydb_sample / tests /test_annotations.py
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"""Tests to check annotation consistency
"""
from __future__ import print_function
import unittest
import csv
import os
import glob
import numpy as np
from medleydb import AUDIO_AVAILABLE
from medleydb import ANNOT_PATH
from medleydb import MultiTrack
from medleydb import TRACK_LIST_V1
from medleydb.annotate import melody as G
from medleydb import multitrack
def array_almost_equal(array1, array2, tolerance=1e-7):
diff = np.abs(array1 - array2)
num_not_equal = diff > tolerance
print("number of unequal elements: %s" % np.sum(num_not_equal))
return np.sum(num_not_equal) == 0
class TestFileNames(unittest.TestCase):
def setUp(self):
self.track_list = TRACK_LIST_V1
def test_annotation_folders_exist(self):
self.assertTrue(os.path.exists(ANNOT_PATH))
self.assertTrue(os.path.exists(multitrack._ACTIVATION_CONF_PATH))
self.assertTrue(os.path.exists(multitrack._MELODY_PATH))
self.assertTrue(os.path.exists(multitrack._INTERVALS_PATH))
self.assertTrue(os.path.exists(multitrack._MELODY1_PATH))
self.assertTrue(os.path.exists(multitrack._MELODY2_PATH))
self.assertTrue(os.path.exists(multitrack._MELODY3_PATH))
self.assertTrue(os.path.exists(multitrack._RANKING_PATH))
self.assertTrue(os.path.exists(multitrack._PITCH_PATH))
self.assertTrue(os.path.exists(multitrack._PITCH_PYIN_PATH))
self.assertTrue(os.path.exists(multitrack._SOURCEID_PATH))
def test_activation_conf_names(self):
for track in self.track_list:
mtrack = MultiTrack(track)
if not mtrack.has_bleed:
self.assertTrue(os.path.exists(mtrack.activation_conf_fpath))
def test_sourceid_names(self):
for track in self.track_list:
mtrack = MultiTrack(track)
print(mtrack.source_id_fpath)
self.assertTrue(os.path.exists(mtrack.source_id_fpath))
@unittest.skipIf(not AUDIO_AVAILABLE, "requires audio access")
class TestMelodyAnnotations(unittest.TestCase):
def setUp(self):
self.track_list = TRACK_LIST_V1
def test_melody_annotations(self):
for track in self.track_list:
mtrack = MultiTrack(track)
if not mtrack.has_melody or mtrack.duration is None:
continue
generated_melody1 = G.create_melody1_annotation(mtrack)
actual_melody1 = mtrack.melody1_annotation
self.assertTrue(
array_almost_equal(actual_melody1, generated_melody1)
)
generated_melody2 = G.create_melody2_annotation(mtrack)
actual_melody2 = mtrack.melody2_annotation
self.assertTrue(
array_almost_equal(actual_melody2, generated_melody2)
)
generated_melody3 = G.create_melody3_annotation(mtrack)
actual_melody3 = mtrack.melody3_annotation
self.assertTrue(
array_almost_equal(actual_melody3, generated_melody3)
)
class TestRankingAnnotations(unittest.TestCase):
def setUp(self):
self.track_list = TRACK_LIST_V1
def test_rankings(self):
for track in self.track_list:
mtrack = MultiTrack(track)
rankings = list(mtrack.melody_rankings.values())
# test that there are no duplicate rankings
self.assertTrue(len(rankings) == len(set(rankings)))
# test that rankings start at 1 and go up by step
self.assertTrue(
sorted(rankings) == list(range(1, len(rankings) + 1))
)
class TestPitchAnnotations(unittest.TestCase):
def setUp(self):
pitch_path = multitrack._PITCH_PATH
self.pitch_files = glob.glob(os.path.join(pitch_path, '*.*'))
def test_extension(self):
for fpath in self.pitch_files:
ext = os.path.basename(fpath).split('.')[-1]
self.assertEqual(ext, 'csv')
def test_delimiter(self):
for fpath in self.pitch_files:
with open(fpath, 'r') as fhandle:
reader = csv.reader(fhandle, delimiter=',')
for line in reader:
self.assertTrue(len(line) > 1)
break