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| @@ -3,7 +3,7 @@ · 2 unmodified lines | ||
| 3 | 3 | import numpy as np |
| 4 | 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 | 8 | import warnings |
| 9 | 9 | warnings.filterwarnings('ignore', category=UserWarning, append=True) |
| @@ -56,6 +56,44 @@ class aubio_filterbank_mel_test_case(TestCase): · 46 unmodified lines | ||
| 56 | 56 | assert_equal ( f(cvec(1024)), 0) |
| 57 | 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 | 97 | if __name__ == '__main__': |
| 60 | 98 | import nose2 |
| 61 | 99 | nose2.main() |