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| @@ -3,7 +3,7 @@ · 2 unmodified lines | |||
| 3 | import numpy as np | 3 | import numpy as np |
| 4 | from numpy.testing import TestCase, assert_equal, assert_almost_equal | 4 | from numpy.testing import TestCase, assert_equal, assert_almost_equal |
| 5 | 5 | ||
| 6 | from aubio import cvec, filterbank, float_type | 6 | from aubio import fvec, cvec, filterbank, float_type |
| 7 | 7 | ||
| 8 | import warnings | 8 | import warnings |
| 9 | warnings.filterwarnings('ignore', category=UserWarning, append=True) | 9 | warnings.filterwarnings('ignore', category=UserWarning, append=True) |
| @@ -56,6 +56,44 @@ class aubio_filterbank_mel_test_case(TestCase): · 46 unmodified lines | |||
| 56 | assert_equal ( f(cvec(1024)), 0) | 56 | assert_equal ( f(cvec(1024)), 0) |
| 57 | self.assertIsInstance(f.get_coeffs(), np.ndarray) | 57 | self.assertIsInstance(f.get_coeffs(), np.ndarray) |
| 58 | 58 | ||
| 59 | def test_triangle_freqs_with_wrong_negative(self): | ||
| 60 | """make sure set_triangle_bands fails when list contains a negative""" | ||
| 61 | freq_list = [-10, 0, 80] | ||
| 62 | f = filterbank(len(freq_list)-2, 1024) | ||
| 63 | with self.assertRaises(ValueError): | ||
| 64 | f.set_triangle_bands(fvec(freq_list), 48000) | ||
| 65 | |||
| 66 | def test_triangle_freqs_with_wrong_ordering(self): | ||
| 67 | """make sure set_triangle_bands fails when list not ordered""" | ||
| 68 | freq_list = [0, 80, 40] | ||
| 69 | f = filterbank(len(freq_list)-2, 1024) | ||
| 70 | with self.assertRaises(ValueError): | ||
| 71 | f.set_triangle_bands(fvec(freq_list), 48000) | ||
| 72 | |||
| 73 | def test_triangle_freqs_with_large_freq(self): | ||
| 74 | """make sure set_triangle_bands warns when freq > nyquist""" | ||
| 75 | samplerate = 22050 | ||
| 76 | freq_list = [0, samplerate//4, samplerate // 2 + 1] | ||
| 77 | f = filterbank(len(freq_list)-2, 1024) | ||
| 78 | # TODO add assert_warns | ||
| 79 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 80 | |||
| 81 | def test_triangle_freqs_with_not_enough_filters(self): | ||
| 82 | """make sure set_triangle_bands warns when not enough filters""" | ||
| 83 | samplerate = 22050 | ||
| 84 | freq_list = [0, 100, 1000, 4000, 8000, 10000] | ||
| 85 | f = filterbank(len(freq_list)-3, 1024) | ||
| 86 | # TODO add assert_warns | ||
| 87 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 88 | |||
| 89 | def test_triangle_freqs_with_too_many_filters(self): | ||
| 90 | """make sure set_triangle_bands warns when too many filters""" | ||
| 91 | samplerate = 22050 | ||
| 92 | freq_list = [0, 100, 1000, 4000, 8000, 10000] | ||
| 93 | f = filterbank(len(freq_list)-1, 1024) | ||
| 94 | # TODO add assert_warns | ||
| 95 | f.set_triangle_bands(fvec(freq_list), samplerate) | ||
| 96 | |||
| 59 | if __name__ == '__main__': | 97 | if __name__ == '__main__': |
| 60 | import nose2 | 98 | import nose2 |
| 61 | nose2.main() | 99 | nose2.main() |