3 from numpy.testing import TestCase, assert_equal, assert_almost_equal
4 from aubio import fvec, source
5 from numpy import array
6 from utils import list_all_sounds
7 from nose2.tools import params
9 list_of_sounds = list_all_sounds('sounds')
10 samplerates = [0, 44100, 8000, 32000]
11 hop_sizes = [512, 1024, 64]
16 for soundfile in list_of_sounds:
17 for hop_size in hop_sizes:
18 for samplerate in samplerates:
19 all_params.append((hop_size, samplerate, soundfile))
22 class aubio_source_test_case_base(TestCase):
25 if not len(list_of_sounds): self.skipTest('add some sound files in \'python/tests/sounds\'')
27 class aubio_source_test_case(aubio_source_test_case_base):
29 def test_close_file(self):
30 samplerate = 0 # use native samplerate
32 for p in list_of_sounds:
33 f = source(p, samplerate, hop_size)
36 def test_close_file_twice(self):
37 samplerate = 0 # use native samplerate
39 for p in list_of_sounds:
40 f = source(p, samplerate, hop_size)
44 class aubio_source_read_test_case(aubio_source_test_case_base):
46 def read_from_source(self, f):
51 if read < f.hop_size: break
52 result_str = "read {:.2f}s ({:d} frames in {:d} blocks at {:d}Hz) from {:s}"
53 result_params = total_frames / float(f.samplerate), total_frames, int(total_frames/f.hop_size), f.samplerate, f.uri
54 print (result_str.format(*result_params))
58 def test_samplerate_hopsize(self, hop_size, samplerate, soundfile):
60 f = source(soundfile, samplerate, hop_size)
61 except RuntimeError as e:
62 self.skipTest('failed opening with hop_s = {:d}, samplerate = {:d} ({:s})'.format(hop_size, samplerate, str(e)))
63 assert f.samplerate != 0
64 self.read_from_source(f)
66 @params(*list_of_sounds)
67 def test_samplerate_none(self, p):
69 assert f.samplerate != 0
70 self.read_from_source(f)
72 @params(*list_of_sounds)
73 def test_samplerate_0(self, p):
75 assert f.samplerate != 0
76 self.read_from_source(f)
78 @params(*list_of_sounds)
79 def test_wrong_samplerate(self, p):
82 except ValueError as e:
85 self.fail('negative samplerate does not raise ValueError')
87 @params(*list_of_sounds)
88 def test_wrong_hop_size(self, p):
91 except ValueError as e:
94 self.fail('negative hop_size does not raise ValueError')
96 @params(*list_of_sounds)
97 def test_zero_hop_size(self, p):
99 assert f.samplerate != 0
100 assert f.hop_size != 0
101 self.read_from_source(f)
103 @params(*list_of_sounds)
104 def test_seek_to_half(self, p):
105 from random import randint
107 assert f.samplerate != 0
108 assert f.hop_size != 0
109 a = self.read_from_source(f)
112 b = self.read_from_source(f)
115 @params(*list_of_sounds)
116 def test_duration(self, p):
119 duration = f.duration
123 if read < f.hop_size: break
124 self.assertEqual(duration, total_frames)
126 class aubio_source_readmulti_test_case(aubio_source_read_test_case):
128 def read_from_source(self, f):
131 vec, read = f.do_multi()
133 if read < f.hop_size: break
134 result_str = "read {:.2f}s ({:d} frames in {:d} channels and {:d} blocks at {:d}Hz) from {:s}"
135 result_params = total_frames / float(f.samplerate), total_frames, f.channels, int(total_frames/f.hop_size), f.samplerate, f.uri
136 print (result_str.format(*result_params))
139 if __name__ == '__main__':
140 from nose2 import main