1 from numpy.testing import TestCase, run_module_suite
2 from numpy.testing import assert_equal, assert_almost_equal
4 from numpy import array
6 def array_from_text_file(filename, dtype = 'float'):
7 return array([line.split() for line in open(filename).readlines()],
10 class aubio_filter_test_case(TestCase):
12 def test_members(self):
14 assert_equal ([f.channels, f.order], [1, 7])
15 f = digital_filter(5, 2)
16 assert_equal ([f.channels, f.order], [2, 5])
19 def test_cweighting_error(self):
20 f = digital_filter (2, 1)
21 self.assertRaises ( ValueError, f.set_c_weighting, 44100 )
22 f = digital_filter (8, 1)
23 self.assertRaises ( ValueError, f.set_c_weighting, 44100 )
24 f = digital_filter (5, 1)
25 self.assertRaises ( ValueError, f.set_c_weighting, 4000 )
26 f = digital_filter (5, 1)
27 self.assertRaises ( ValueError, f.set_c_weighting, 193000 )
28 f = digital_filter (7, 1)
29 self.assertRaises ( ValueError, f.set_a_weighting, 193000 )
30 f = digital_filter (5, 1)
31 self.assertRaises ( ValueError, f.set_a_weighting, 192000 )
33 def test_c_weighting(self):
34 expected = array_from_text_file('c_weighting_test_simple.expected')
35 f = digital_filter(5, 1)
36 f.set_c_weighting(44100)
40 assert_almost_equal (expected[1], u)
42 def test_a_weighting(self):
43 expected = array_from_text_file('a_weighting_test_simple.expected')
44 f = digital_filter(7, 1)
45 f.set_a_weighting(44100)
49 assert_almost_equal (expected[1], u)
51 def test_a_weighting_parted(self):
52 expected = array_from_text_file('a_weighting_test_simple.expected')
53 f = digital_filter(7, 1)
54 f.set_a_weighting(44100)
58 assert_almost_equal (expected[1][:16], u)
62 assert_almost_equal (expected[1][16:], u)
64 if __name__ == '__main__':
65 from unittest import main