Showing the changes to python (2 of 2 files). Show all
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| 1 | +from aubio import fvec, zero_crossing_rate | |
| 2 | + | |
| 3 | +#! /usr/bin/env python | |
| 4 | + | |
| 5 | +from numpy.testing import TestCase | |
| 6 | + | |
| 7 | +buf_size = 2048 | |
| 8 | + | |
| 9 | +class zero_crossing_rate_test_case(TestCase): | |
| 10 | + | |
| 11 | + def setUp(self): | |
| 12 | + self.vector = fvec(buf_size) | |
| 13 | + | |
| 14 | + def test(self): | |
| 15 | + """ create and delete fvec """ | |
| 16 | + pass | |
| 17 | + | |
| 18 | + def test_zeroes(self): | |
| 19 | + """ check zero crossing rate on a buffer of 0. """ | |
| 20 | + self.assertEqual(0., zero_crossing_rate(self.vector)) | |
| 21 | + | |
| 22 | + def test_ones(self): | |
| 23 | + """ check zero crossing rate on a buffer of 1. """ | |
| 24 | + self.vector[:] = 1. | |
| 25 | + self.assertEqual(0., zero_crossing_rate(self.vector)) | |
| 26 | + | |
| 27 | + def test_impulse(self): | |
| 28 | + """ check zero crossing rate on a buffer with an impulse """ | |
| 29 | + self.vector[buf_size / 2] = 1. | |
| 30 | + self.assertEqual(0., zero_crossing_rate(self.vector)) | |
| 31 | + | |
| 32 | + def test_negative_impulse(self): | |
| 33 | + """ check zero crossing rate on a buffer with a negative impulse """ | |
| 34 | + self.vector[buf_size / 2] = -1. | |
| 35 | + self.assertEqual(2./buf_size, zero_crossing_rate(self.vector)) | |
| 36 | + | |
| 37 | + def test_single(self): | |
| 38 | + """ check zero crossing rate on single crossing """ | |
| 39 | + self.vector[buf_size / 2 - 1] = 1. | |
| 40 | + self.vector[buf_size / 2] = -1. | |
| 41 | + self.assertEqual(2./buf_size, zero_crossing_rate(self.vector)) | |
| 42 | + | |
| 43 | + def test_single_with_gap(self): | |
| 44 | + """ check zero crossing rate on single crossing with a gap""" | |
| 45 | + self.vector[buf_size / 2 - 2] = 1. | |
| 46 | + self.vector[buf_size / 2] = -1. | |
| 47 | + self.assertEqual(2./buf_size, zero_crossing_rate(self.vector)) | |
| 48 | + | |
| 49 | +if __name__ == '__main__': | |
| 50 | + from unittest import main | |
| 51 | + main() | |
| @@ -1,56 +0,0 @@ | ||
| 1 | −from aubio import zero_crossing_rate | |
| 2 | − | |
| 3 | −#! /usr/bin/env python | |
| 4 | − | |
| 5 | −from numpy.testing import TestCase | |
| 6 | − | |
| 7 | −buf_size = 2048 | |
| 8 | −channels = 1 | |
| 9 | − | |
| 10 | −class zero_crossing_rate_test_case(TestCase): | |
| 11 | − | |
| 12 | − def setUp(self): | |
| 13 | − self.vector = new_fvec(buf_size, channels) | |
| 14 | − | |
| 15 | − def tearDown(self): | |
| 16 | − del_fvec(self.vector) | |
| 17 | − | |
| 18 | − def test(self): | |
| 19 | − """ create and delete fvec """ | |
| 20 | − pass | |
| 21 | − | |
| 22 | − def test_zeroes(self): | |
| 23 | − """ check zero crossing rate on a buffer of 0. """ | |
| 24 | − self.assertEqual(0., zero_crossing_rate(self.vector)) | |
| 25 | − | |
| 26 | − def test_ones(self): | |
| 27 | − """ check zero crossing rate on a buffer of 1. """ | |
| 28 | − for index in range(buf_size): | |
| 29 | − for channel in range(channels): | |
| 30 | − fvec_write_sample(self.vector, 1., channel, index) | |
| 31 | − self.assertEqual(0., zero_crossing_rate(self.vector)) | |
| 32 | − | |
| 33 | − def test_impulse(self): | |
| 34 | − """ check zero crossing rate on a buffer with an impulse """ | |
| 35 | − fvec_write_sample(self.vector, 1., 0, buf_size / 2) | |
| 36 | − self.assertEqual(0., zero_crossing_rate(self.vector)) | |
| 37 | − | |
| 38 | − def test_negative_impulse(self): | |
| 39 | − """ check zero crossing rate on a buffer with a negative impulse """ | |
| 40 | − fvec_write_sample(self.vector, -1., 0, buf_size / 2) | |
| 41 | − self.assertEqual(2./buf_size, zero_crossing_rate(self.vector)) | |
| 42 | − | |
| 43 | − def test_single(self): | |
| 44 | − """ check zero crossing rate on single crossing """ | |
| 45 | − fvec_write_sample(self.vector, +1., 0, buf_size / 2 - 1) | |
| 46 | − fvec_write_sample(self.vector, -1., 0, buf_size / 2) | |
| 47 | − self.assertEqual(2./buf_size, zero_crossing_rate(self.vector)) | |
| 48 | − | |
| 49 | − def test_single_with_gap(self): | |
| 50 | − """ check zero crossing rate on single crossing with a gap""" | |
| 51 | − fvec_write_sample(self.vector, +1., 0, buf_size / 2 - 2) | |
| 52 | − fvec_write_sample(self.vector, -1., 0, buf_size / 2) | |
| 53 | − self.assertEqual(2./buf_size, zero_crossing_rate(self.vector)) | |
| 54 | − | |
| 55 | −if __name__ == '__main__': | |
| 56 | − unittest.main() | |