| 1 | from numpy.testing import TestCase, run_module_suite |
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| 2 | from numpy.testing import assert_equal |
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| 3 | from _aubio import * |
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| 4 | from numpy import array |
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| 5 | |
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| 6 | AUBIO_DO_CASTING = 0 |
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| 7 | |
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| 8 | class aubiomodule_test_case(TestCase): |
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| 9 | |
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| 10 | def setUp(self): |
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| 11 | """ try importing aubio """ |
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| 12 | |
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| 13 | def test_vector(self): |
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| 14 | a = fvec() |
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| 15 | a.length, a.channels |
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| 16 | a[0] |
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| 17 | array(a) |
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| 18 | a = fvec(10) |
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| 19 | a = fvec(1, 2) |
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| 20 | array(a).T |
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| 21 | a[0] = range(a.length) |
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| 22 | a[1][0] = 2 |
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| 23 | |
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| 24 | def test_wrong_values(self): |
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| 25 | self.assertRaises (ValueError, fvec, -10) |
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| 26 | self.assertRaises (ValueError, fvec, 1, -1) |
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| 27 | |
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| 28 | a = fvec(2, 3) |
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| 29 | self.assertRaises (IndexError, a.__getitem__, 3) |
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| 30 | self.assertRaises (IndexError, a[0].__getitem__, 2) |
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| 31 | |
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| 32 | def test_alpha_norm_of_fvec(self): |
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| 33 | a = fvec(2, 2) |
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| 34 | self.assertEquals (alpha_norm(a, 1), 0) |
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| 35 | a[0] = [1, 2] |
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| 36 | self.assertEquals (alpha_norm(a, 1), 1.5) |
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| 37 | a[1] = [1, 2] |
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| 38 | self.assertEquals (alpha_norm(a, 1), 3) |
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| 39 | a[0] = [0, 1]; a[1] = [1, 0] |
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| 40 | self.assertEquals (alpha_norm(a, 2), 1) |
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| 41 | |
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| 42 | def test_alpha_norm_of_array_of_float32(self): |
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| 43 | # check scalar fails |
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| 44 | a = array(1, dtype = 'float32') |
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| 45 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 46 | # check 3d array fails |
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| 47 | a = array([[[1,2],[3,4]]], dtype = 'float32') |
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| 48 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 49 | # check 1d array |
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| 50 | a = array(range(10), dtype = 'float32') |
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| 51 | self.assertEquals (alpha_norm(a, 1), 4.5) |
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| 52 | # check 2d array |
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| 53 | a = array([range(10), range(10)], dtype = 'float32') |
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| 54 | self.assertEquals (alpha_norm(a, 1), 9) |
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| 55 | |
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| 56 | def test_alpha_norm_of_array_of_int(self): |
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| 57 | a = array(1, dtype = 'int') |
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| 58 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 59 | a = array([[[1,2],[3,4]]], dtype = 'int') |
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| 60 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 61 | a = array(range(10), dtype = 'int') |
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| 62 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 63 | |
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| 64 | def test_alpha_norm_of_array_of_string (self): |
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| 65 | a = "hello" |
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| 66 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 67 | |
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| 68 | def test_zero_crossing_rate(self): |
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| 69 | a = array([0,1,-1], dtype='float32') |
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| 70 | self.assertEquals (zero_crossing_rate(a), 1./3 ) |
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| 71 | a = array([0.]*100, dtype='float32') |
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| 72 | self.assertEquals (zero_crossing_rate(a), 0 ) |
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| 73 | a = array([-1.]*100, dtype='float32') |
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| 74 | self.assertEquals (zero_crossing_rate(a), 0 ) |
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| 75 | a = array([1.]*100, dtype='float32') |
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| 76 | self.assertEquals (zero_crossing_rate(a), 0 ) |
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| 77 | |
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| 78 | def test_alpha_norm_of_array_of_float64(self): |
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| 79 | # check scalar fail |
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| 80 | a = array(1, dtype = 'float64') |
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| 81 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 82 | # check 3d array fail |
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| 83 | a = array([[[1,2],[3,4]]], dtype = 'float64') |
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| 84 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 85 | if AUBIO_DO_CASTING: |
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| 86 | # check float64 1d array fail |
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| 87 | a = array(range(10), dtype = 'float64') |
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| 88 | self.assertEquals (alpha_norm(a, 1), 4.5) |
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| 89 | # check float64 2d array fail |
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| 90 | a = array([range(10), range(10)], dtype = 'float64') |
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| 91 | self.assertEquals (alpha_norm(a, 1), 9) |
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| 92 | else: |
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| 93 | # check float64 1d array fail |
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| 94 | a = array(range(10), dtype = 'float64') |
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| 95 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 96 | # check float64 2d array fail |
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| 97 | a = array([range(10), range(10)], dtype = 'float64') |
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| 98 | self.assertRaises (ValueError, alpha_norm, a, 1) |
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| 99 | |
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| 100 | def test_fvec_min_removal_of_array(self): |
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| 101 | a = array([20,1,19], dtype='float32') |
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| 102 | b = min_removal(a) |
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| 103 | assert_equal (array(b), [19, 0, 18]) |
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| 104 | assert_equal (b, [19, 0, 18]) |
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| 105 | assert_equal (a, b) |
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| 106 | a[0] = 0 |
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| 107 | assert_equal (a, b) |
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| 108 | |
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| 109 | def test_fvec_min_removal_of_array_float64(self): |
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| 110 | a = array([20,1,19], dtype='float64') |
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| 111 | if AUBIO_DO_CASTING: |
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| 112 | b = min_removal(a) |
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| 113 | assert_equal (array(b), [19, 0, 18]) |
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| 114 | assert_equal (b, [19, 0, 18]) |
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| 115 | #assert_equal (a, b) |
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| 116 | else: |
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| 117 | self.assertRaises (ValueError, min_removal, a) |
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| 118 | |
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| 119 | def test_fvec_min_removal_of_fvec(self): |
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| 120 | a = fvec(3, 1) |
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| 121 | a[0] = [20, 1, 19] |
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| 122 | b = min_removal(a) |
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| 123 | assert_equal (array(b), [19, 0, 18]) |
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| 124 | assert_equal (b, [19, 0, 18]) |
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| 125 | assert_equal (a, b) |
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| 126 | |
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| 127 | if __name__ == '__main__': |
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| 128 | from unittest import main |
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| 129 | main() |
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| 130 | |
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