Showing the changes to python/tests (1 of 2 files). Show all
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| @@ -4,7 +4,7 @@ import numpy as np · 3 unmodified lines | |||
| 4 | from numpy.testing import TestCase, assert_equal, assert_almost_equal | 4 | from numpy.testing import TestCase, assert_equal, assert_almost_equal |
| 5 | from _tools import assert_warns | 5 | from _tools import assert_warns |
| 6 | 6 | ||
| 7 | from aubio import cvec, filterbank, float_type | 7 | from aubio import fvec, cvec, filterbank, float_type |
| 8 | 8 | ||
| 9 | class aubio_filterbank_mel_test_case(TestCase): | 9 | class aubio_filterbank_mel_test_case(TestCase): |
| 10 | 10 | ||
| @@ -78,6 +78,70 @@ class aubio_filterbank_mel_test_case(TestCase): · 67 unmodified lines | |||
| 78 | with assert_warns(UserWarning): | 78 | with assert_warns(UserWarning): |
| 79 | f.set_triangle_bands(freqs, 44100) | 79 | f.set_triangle_bands(freqs, 44100) |
| 80 | 80 | ||
| 81 | def test_triangle_freqs_with_zeros(self): | ||
| 82 | """make sure set_triangle_bands works when list starts with 0""" | ||
| 83 | freq_list = [0, 40, 80] | ||
| 84 | freqs = np.array(freq_list, dtype = float_type) | ||
| 85 | f = filterbank(len(freqs)-2, 1024) | ||
| 86 | f.set_triangle_bands(freqs, 48000) | ||
| 87 | assert_equal ( f(cvec(1024)), 0) | ||
| 88 | self.assertIsInstance(f.get_coeffs(), np.ndarray) | ||
| 89 | |||
| 90 | def test_triangle_freqs_with_wrong_negative(self): | ||
| 91 | """make sure set_triangle_bands fails when list contains a negative""" | ||
| 92 | freq_list = [-10, 0, 80] | ||
| 93 | f = filterbank(len(freq_list)-2, 1024) | ||
| 94 | with self.assertRaises(ValueError): | ||
| 95 | f.set_triangle_bands(fvec(freq_list), 48000) | ||
| 96 | |||
| 97 | def test_triangle_freqs_with_wrong_ordering(self): | ||
| 98 | """make sure set_triangle_bands fails when list not ordered""" | ||
| 99 | freq_list = [0, 80, 40] | ||
| 100 | f = filterbank(len(freq_list)-2, 1024) | ||
| 101 | with self.assertRaises(ValueError): | ||
| 102 | f.set_triangle_bands(fvec(freq_list), 48000) | ||
| 103 | |||
| 104 | def test_triangle_freqs_with_large_freq(self): | ||
| 105 | """make sure set_triangle_bands warns when freq > nyquist""" | ||
| 106 | samplerate = 22050 | ||
| 107 | freq_list = [0, samplerate//4, samplerate // 2 + 1] | ||
| 108 | f = filterbank(len(freq_list)-2, 1024) | ||
| 109 | # TODO add assert_warns | ||
| 110 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 111 | |||
| 112 | def test_triangle_freqs_with_not_enough_filters(self): | ||
| 113 | """make sure set_triangle_bands warns when not enough filters""" | ||
| 114 | samplerate = 22050 | ||
| 115 | freq_list = [0, 100, 1000, 4000, 8000, 10000] | ||
| 116 | f = filterbank(len(freq_list)-3, 1024) | ||
| 117 | # TODO add assert_warns | ||
| 118 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 119 | |||
| 120 | def test_triangle_freqs_with_too_many_filters(self): | ||
| 121 | """make sure set_triangle_bands warns when too many filters""" | ||
| 122 | samplerate = 22050 | ||
| 123 | freq_list = [0, 100, 1000, 4000, 8000, 10000] | ||
| 124 | f = filterbank(len(freq_list)-1, 1024) | ||
| 125 | # TODO add assert_warns | ||
| 126 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 127 | |||
| 128 | def test_triangle_freqs_with_double_value(self): | ||
| 129 | """make sure set_triangle_bands works with 2 duplicate freqs""" | ||
| 130 | samplerate = 22050 | ||
| 131 | freq_list = [0, 100, 1000, 4000, 4000, 4000, 10000] | ||
| 132 | f = filterbank(len(freq_list)-2, 1024) | ||
| 133 | # TODO add assert_warns | ||
| 134 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 135 | |||
| 136 | def test_triangle_freqs_with_triple(self): | ||
| 137 | """make sure set_triangle_bands works with 3 duplicate freqs""" | ||
| 138 | samplerate = 22050 | ||
| 139 | freq_list = [0, 100, 1000, 4000, 4000, 4000, 10000] | ||
| 140 | f = filterbank(len(freq_list)-2, 1024) | ||
| 141 | # TODO add assert_warns | ||
| 142 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 143 | |||
| 144 | |||
| 81 | if __name__ == '__main__': | 145 | if __name__ == '__main__': |
| 82 | from unittest import main | 146 | from unittest import main |
| 83 | main() | 147 | main() |