3 from unittest import main
4 from numpy.testing import TestCase
5 from numpy.testing import assert_equal, assert_almost_equal
9 from aubio import hztomel, meltohz
10 from aubio import hztomel_htk, meltohz_htk
13 class aubio_hztomel_test_case(TestCase):
15 def test_hztomel(self):
16 assert_equal(hztomel(0.), 0.)
17 assert_almost_equal(hztomel(400. / 3.), 2., decimal=5)
18 assert_almost_equal(hztomel(1000. / 3), 5.)
19 assert_equal(hztomel(200.), 3.)
20 assert_almost_equal(hztomel(1000.), 15)
21 assert_almost_equal(hztomel(6400), 42)
22 assert_almost_equal(hztomel(40960), 69)
24 for m in np.linspace(0, 1000, 100):
25 assert_almost_equal(hztomel(meltohz(m)) - m, 0, decimal=3)
27 def test_meltohz(self):
28 assert_equal(meltohz(0.), 0.)
29 assert_almost_equal(meltohz(2), 400. / 3., decimal=4)
30 assert_equal(meltohz(3.), 200.)
31 assert_almost_equal(meltohz(5), 1000. / 3., decimal=4)
32 assert_almost_equal(meltohz(15), 1000., decimal=4)
33 assert_almost_equal(meltohz(42), 6400., decimal=2)
34 assert_almost_equal(meltohz(69), 40960., decimal=1)
36 for f in np.linspace(0, 20000, 1000):
37 assert_almost_equal(meltohz(hztomel(f)) - f, 0, decimal=1)
39 def test_meltohz_negative(self):
40 # TODO add assert_warns
41 assert_equal(meltohz(-1), 0)
43 def test_hztomel_negative(self):
44 # TODO add assert_warns
45 assert_equal(hztomel(-1), 0)
48 class aubio_hztomel_htk_test_case(TestCase):
50 def test_meltohz(self):
51 assert_equal(meltohz(0, htk=True), 0)
52 assert_almost_equal(meltohz(2595, htk=True), 6300., decimal=1)
54 def test_hztomel(self):
55 assert_equal(hztomel(0, htk=True), 0)
56 assert_almost_equal(hztomel(3428.7, htk=True), 2000., decimal=1)
57 assert_almost_equal(hztomel(6300, htk=True), 2595., decimal=1)
59 def test_meltohz_negative(self):
60 # TODO add assert_warns
61 assert_equal(meltohz(-1, htk=True), 0)
62 assert_almost_equal(meltohz(2000, htk=True), 3428.7, decimal=1)
63 assert_almost_equal(meltohz(1000, htk=True), 1000., decimal=1)
65 def test_hztomel_negative(self):
66 # TODO add assert_warns
67 assert_equal(hztomel(-1, htk=True), 0)
68 assert_almost_equal(hztomel(1000, htk=True), 1000., decimal=1)
70 def test_hztomel_htk(self):
71 for f in np.linspace(0, 20000, 1000):
72 assert_almost_equal(meltohz_htk(hztomel_htk(f)) - f, 0, decimal=1)
73 for f in np.linspace(0, 20000, 1000):
74 assert_almost_equal(hztomel_htk(meltohz_htk(f)) - f, 0, decimal=1)
77 class aubio_hztomel_wrong_values(TestCase):
78 """ more tests to cover all branches """
80 def test_hztomel_wrong_values(self):
81 with self.assertRaises(TypeError):
84 def test_meltohz_wrong_values(self):
85 with self.assertRaises(TypeError):
88 def test_meltohz_no_arg(self):
89 with self.assertRaises(TypeError):
92 def test_meltohz_htk_no_arg(self):
93 with self.assertRaises(TypeError):
96 def test_hztomel_htk_wrong_values(self):
97 with self.assertRaises(TypeError):
100 def test_hztomel_htk_false(self):
101 assert hztomel(120, htk=False) == hztomel(120)
103 def test_meltohz_htk_false(self):
104 assert meltohz(12, htk=False) == meltohz(12)
107 if __name__ == '__main__':
108 from unittest import main