From: Paul Brossier <piem@piem.org>
Date: Sat, 17 Nov 2018 15:38:29 +0000 (+0100)
Subject: Merge branch 'master' into feature/pytest
X-Git-Tag: 0.4.9~71^2~11
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=a95b3861bc9d28a6f0b6ba313a29b2cdc3562ecf;p=aubio.git

Merge branch 'master' into feature/pytest
---

a95b3861bc9d28a6f0b6ba313a29b2cdc3562ecf
diff --cc python/tests/test_filterbank_mel.py
index 90161faf,4f9f7ec9..07712647
--- a/python/tests/test_filterbank_mel.py
+++ b/python/tests/test_filterbank_mel.py
@@@ -105,10 -107,66 +105,67 @@@ class aubio_filterbank_mel_test_case(Te
          samplerate = 22050
          freq_list = [0, 100, 1000, 4000, 4000, 4000, 10000]
          f = filterbank(len(freq_list)-2, 1024)
 -        # TODO add assert_warns
 -        f.set_triangle_bands(fvec(freq_list), samplerate)
 +        with assert_warns(UserWarning):
 +            f.set_triangle_bands(fvec(freq_list), samplerate)
 +
  
+     def test_triangle_freqs_without_norm(self):
+         """make sure set_triangle_bands works without """
+         samplerate = 22050
+         freq_list = fvec([0, 100, 1000, 10000])
+         f = filterbank(len(freq_list) - 2, 1024)
+         f.set_norm(0)
+         f.set_triangle_bands(freq_list, samplerate)
+         expected = f.get_coeffs()
+         f.set_norm(1)
+         f.set_triangle_bands(fvec(freq_list), samplerate)
+         assert_almost_equal(f.get_coeffs().T,
+                 expected.T * 2. / (freq_list[2:] - freq_list[:-2]))
+ 
+     def test_triangle_freqs_wrong_norm(self):
+         f = filterbank(10, 1024)
+         with self.assertRaises(ValueError):
+             f.set_norm(-1)
+ 
+     def test_triangle_freqs_with_power(self):
+         f = filterbank(9, 1024)
+         freqs = fvec([40, 80, 200, 400, 800, 1600, 3200, 6400, 12800, 15000,
+             24000])
+         f.set_power(2)
+         f.set_triangle_bands(freqs, 48000)
+         spec = cvec(1024)
+         spec.norm[:] = .1
+         expected = fvec([0.02070313, 0.02138672, 0.02127604, 0.02135417,
+             0.02133301, 0.02133301, 0.02133311, 0.02133334, 0.02133345])
+         expected /= 100.
+         assert_almost_equal(f(spec), expected)
+ 
+     def test_mel_coeffs(self):
+         f = filterbank(40, 1024)
+         f.set_mel_coeffs(44100, 0, 44100 / 2)
+ 
+     def test_zero_fmax(self):
+         f = filterbank(40, 1024)
+         f.set_mel_coeffs(44100, 0, 0)
+ 
+     def test_wrong_mel_coeffs(self):
+         f = filterbank(40, 1024)
+         with self.assertRaises(ValueError):
+             f.set_mel_coeffs_slaney(0)
+         with self.assertRaises(ValueError):
+             f.set_mel_coeffs(44100, 0, -44100 / 2)
+         with self.assertRaises(ValueError):
+             f.set_mel_coeffs(44100, -0.1, 44100 / 2)
+         with self.assertRaises(ValueError):
+             f.set_mel_coeffs(-44100, 0.1, 44100 / 2)
+         with self.assertRaises(ValueError):
+             f.set_mel_coeffs_htk(-1, 0, 0)
+ 
+     def test_mel_coeffs_htk(self):
+         f = filterbank(40, 1024)
+         f.set_mel_coeffs_htk(44100, 0, 44100 / 2)
+ 
+ 
  if __name__ == '__main__':
 -    import nose2
 -    nose2.main()
 +    from unittest import main
 +    main()