Changeset e33d960


Ignore:
Timestamp:
Nov 9, 2018, 7:05:40 PM (13 months ago)
Author:
Paul Brossier <piem@piem.org>
Branches:
feature/autosink, feature/constantq, feature/pitchshift, feature/pydocstrings, feature/timestretch, master
Children:
693de50
Parents:
edd3dac
Message:

[filterbank] improve unit tests

File:
1 edited

Legend:

Unmodified
Added
Removed
  • python/tests/test_filterbank_mel.py

    redd3dac re33d960  
    44from numpy.testing import TestCase, assert_equal, assert_almost_equal
    55
    6 from aubio import cvec, filterbank, float_type
     6from aubio import fvec, cvec, filterbank, float_type
    77
    88import warnings
     
    5757        self.assertIsInstance(f.get_coeffs(), np.ndarray)
    5858
     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
    5997if __name__ == '__main__':
    6098    import nose2
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