Showing the changes to python/tests/test_fvec.py (1 of 1 file). Show all
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| @@ -1,10 +1,9 @@ | ||
| 1 | 1 | #! /usr/bin/env python |
| 2 | 2 | |
| 3 | −from numpy.testing import TestCase, run_module_suite | |
| 4 | −from numpy.testing import assert_equal, assert_almost_equal | |
| 3 | +import numpy as np | |
| 4 | +from numpy.testing import TestCase, assert_equal, assert_almost_equal | |
| 5 | 5 | from aubio import fvec, zero_crossing_rate, alpha_norm, min_removal |
| 6 | 6 | from aubio import float_type |
| 7 | −from numpy import array, shape | |
| 8 | 7 | |
| 9 | 8 | wrong_type = 'float32' if float_type == 'float64' else 'float64' |
| 10 | 9 | |
| @@ -16,13 +15,13 @@ class aubio_fvec_test_case(TestCase): · 5 unmodified lines | ||
| 16 | 15 | a = fvec(10) |
| 17 | 16 | assert a.dtype == float_type |
| 18 | 17 | assert a.shape == (10,) |
| 19 | − assert_equal (a, 0) | |
| 18 | + assert_equal(a, 0) | |
| 20 | 19 | |
| 21 | 20 | def test_vector_create_with_list(self): |
| 22 | − a = fvec([0,1,2,3]) | |
| 21 | + a = fvec([0, 1, 2, 3]) | |
| 23 | 22 | assert a.dtype == float_type |
| 24 | 23 | assert a.shape == (4,) |
| 25 | − assert_equal (list(range(4)), a) | |
| 24 | + assert_equal(list(range(4)), a) | |
| 26 | 25 | |
| 27 | 26 | def test_vector_assign_element(self): |
| 28 | 27 | a = fvec(default_size) |
| @@ -37,113 +36,106 @@ class aubio_fvec_test_case(TestCase): · 8 unmodified lines | ||
| 37 | 36 | |
| 38 | 37 | def test_vector(self): |
| 39 | 38 | a = fvec() |
| 40 | − a, len(a) #a.length | |
| 41 | − a[0] | |
| 42 | − array(a) | |
| 43 | − a = fvec(10) | |
| 39 | + len(a) | |
| 40 | + _ = a[0] | |
| 41 | + np.array(a) | |
| 44 | 42 | a = fvec(1) |
| 45 | − a.T | |
| 46 | − array(a).T | |
| 47 | − a = list(range(len(a))) | |
| 43 | + a = fvec(10) | |
| 44 | + _ = a.T | |
| 48 | 45 | |
| 49 | − def test_wrong_values(self): | |
| 50 | − self.assertRaises (ValueError, fvec, -10) | |
| 51 | − | |
| 52 | − a = fvec(2) | |
| 53 | − self.assertRaises (IndexError, a.__getitem__, 3) | |
| 54 | − self.assertRaises (IndexError, a.__getitem__, 2) | |
| 46 | +class aubio_fvec_wrong_values(TestCase): | |
| 55 | 47 | |
| 56 | − def test_alpha_norm_of_fvec(self): | |
| 48 | + def test_negative_length(self): | |
| 49 | + """ test creating fvec with negative length fails (pure python) """ | |
| 50 | + self.assertRaises(ValueError, fvec, -10) | |
| 51 | + | |
| 52 | + def test_negative_length(self): | |
| 53 | + """ test creating fvec with zero length fails (pure python) """ | |
| 54 | + self.assertRaises(ValueError, fvec, 0) | |
| 55 | + | |
| 56 | + def test_out_of_bound(self): | |
| 57 | + """ test assiging fvec out of bounds fails (pure python) """ | |
| 57 | 58 | a = fvec(2) |
| 58 | − self.assertEqual (alpha_norm(a, 1), 0) | |
| 59 | − a[0] = 1 | |
| 60 | − self.assertEqual (alpha_norm(a, 1), 0.5) | |
| 61 | − a[1] = 1 | |
| 62 | − self.assertEqual (alpha_norm(a, 1), 1) | |
| 63 | − a = array([0, 1], dtype=float_type) | |
| 64 | − assert_almost_equal (alpha_norm(a, 2), .5*2.**.5) | |
| 65 | − | |
| 66 | − def test_alpha_norm_of_none(self): | |
| 67 | − self.assertRaises (ValueError, alpha_norm, None, 1) | |
| 68 | − | |
| 69 | − def test_alpha_norm_of_array_of_float32(self): | |
| 70 | − # check scalar fails | |
| 71 | − a = array(1, dtype = float_type) | |
| 72 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 73 | − # check 2d array fails | |
| 74 | − a = array([[2],[4]], dtype = float_type) | |
| 75 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 76 | − # check 1d array | |
| 77 | − a = array(range(10), dtype = float_type) | |
| 78 | − self.assertEqual (alpha_norm(a, 1), 4.5) | |
| 79 | − | |
| 80 | − def test_alpha_norm_of_array_of_int(self): | |
| 81 | − a = array(1, dtype = 'int') | |
| 82 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 83 | − a = array([[[1,2],[3,4]]], dtype = 'int') | |
| 84 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 85 | − a = array(range(10), dtype = 'int') | |
| 86 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 87 | − | |
| 88 | − def test_alpha_norm_of_array_of_string (self): | |
| 89 | − a = "hello" | |
| 90 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 59 | + self.assertRaises(IndexError, a.__getitem__, 3) | |
| 60 | + self.assertRaises(IndexError, a.__getitem__, 2) | |
| 61 | + | |
| 62 | +class aubio_wrong_fvec_input(TestCase): | |
| 63 | + """ uses min_removal to test PyAubio_IsValidVector """ | |
| 64 | + | |
| 65 | + def test_no_input(self): | |
| 66 | + self.assertRaises(TypeError, min_removal) | |
| 67 | + | |
| 68 | + def test_none(self): | |
| 69 | + self.assertRaises(ValueError, min_removal, None) | |
| 70 | + | |
| 71 | + def test_wrong_scalar(self): | |
| 72 | + a = np.array(10, dtype=float_type) | |
| 73 | + self.assertRaises(ValueError, min_removal, a) | |
| 74 | + | |
| 75 | + def test_wrong_dimensions(self): | |
| 76 | + a = np.array([[[1, 2], [3, 4]]], dtype=float_type) | |
| 77 | + self.assertRaises(ValueError, min_removal, a) | |
| 78 | + | |
| 79 | + def test_wrong_array_size(self): | |
| 80 | + x = np.array([], dtype=float_type) | |
| 81 | + self.assertRaises(ValueError, min_removal, x) | |
| 82 | + | |
| 83 | + def test_wrong_type(self): | |
| 84 | + a = np.zeros(10, dtype=wrong_type) | |
| 85 | + self.assertRaises(ValueError, min_removal, a) | |
| 86 | + | |
| 87 | + def test_wrong_list_input(self): | |
| 88 | + self.assertRaises(ValueError, min_removal, [0., 1.]) | |
| 89 | + | |
| 90 | + def test_good_input(self): | |
| 91 | + a = np.zeros(10, dtype=float_type) | |
| 92 | + assert_equal(np.zeros(10, dtype=float_type), min_removal(a)) | |
| 93 | + | |
| 94 | +class aubio_alpha_norm(TestCase): | |
| 95 | + | |
| 96 | + def test_alpha_norm_of_random(self): | |
| 97 | + x = np.random.rand(1024).astype(float_type) | |
| 98 | + alpha = np.random.rand() * 5. | |
| 99 | + x_alpha_norm = (np.sum(np.abs(x)**alpha)/len(x))**(1/alpha) | |
| 100 | + assert_almost_equal(alpha_norm(x, alpha), x_alpha_norm) | |
| 101 | + | |
| 102 | +class aubio_zero_crossing_rate_test(TestCase): | |
| 91 | 103 | |
| 92 | 104 | def test_zero_crossing_rate(self): |
| 93 | − a = array([0,1,-1], dtype=float_type) | |
| 94 | − assert_almost_equal (zero_crossing_rate(a), 1./3. ) | |
| 95 | − a = array([0.]*100, dtype=float_type) | |
| 96 | − self.assertEqual (zero_crossing_rate(a), 0 ) | |
| 97 | − a = array([-1.]*100, dtype=float_type) | |
| 98 | − self.assertEqual (zero_crossing_rate(a), 0 ) | |
| 99 | − a = array([1.]*100, dtype=float_type) | |
| 100 | − self.assertEqual (zero_crossing_rate(a), 0 ) | |
| 101 | − | |
| 102 | − def test_alpha_norm_of_array_of_float64(self): | |
| 103 | − # check scalar fail | |
| 104 | − a = array(1, dtype = wrong_type) | |
| 105 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 106 | − # check 3d array fail | |
| 107 | − a = array([[[1,2],[3,4]]], dtype = wrong_type) | |
| 108 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 109 | − # check float64 1d array fail | |
| 110 | − a = array(list(range(10)), dtype = wrong_type) | |
| 111 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 112 | − # check float64 2d array fail | |
| 113 | − a = array([list(range(10)), list(range(10))], dtype = wrong_type) | |
| 114 | − self.assertRaises (ValueError, alpha_norm, a, 1) | |
| 105 | + a = np.array([0, 1, -1], dtype=float_type) | |
| 106 | + assert_almost_equal(zero_crossing_rate(a), 1./3.) | |
| 107 | + | |
| 108 | + def test_zero_crossing_rate_zeros(self): | |
| 109 | + a = np.zeros(100, dtype=float_type) | |
| 110 | + self.assertEqual(zero_crossing_rate(a), 0) | |
| 111 | + | |
| 112 | + def test_zero_crossing_rate_minus_ones(self): | |
| 113 | + a = np.ones(100, dtype=float_type) | |
| 114 | + self.assertEqual(zero_crossing_rate(a), 0) | |
| 115 | + | |
| 116 | + def test_zero_crossing_rate_plus_ones(self): | |
| 117 | + a = np.ones(100, dtype=float_type) | |
| 118 | + self.assertEqual(zero_crossing_rate(a), 0) | |
| 119 | + | |
| 120 | +class aubio_fvec_min_removal(TestCase): | |
| 115 | 121 | |
| 116 | 122 | def test_fvec_min_removal_of_array(self): |
| 117 | − a = array([20,1,19], dtype=float_type) | |
| 118 | − b = min_removal(a) | |
| 119 | − assert_equal (array(b), [19, 0, 18]) | |
| 120 | − assert_equal (b, [19, 0, 18]) | |
| 121 | − assert_equal (a, b) | |
| 122 | − a[0] = 0 | |
| 123 | − assert_equal (a, b) | |
| 124 | − | |
| 125 | − def test_fvec_min_removal_of_array_float64(self): | |
| 126 | − a = array([20,1,19], dtype=wrong_type) | |
| 127 | − self.assertRaises (ValueError, min_removal, a) | |
| 128 | − | |
| 129 | − def test_fvec_min_removal_of_fvec(self): | |
| 130 | − a = fvec(3) | |
| 131 | − a = array([20, 1, 19], dtype = float_type) | |
| 123 | + a = np.array([20, 1, 19], dtype=float_type) | |
| 132 | 124 | b = min_removal(a) |
| 133 | − assert_equal (array(b), [19, 0, 18]) | |
| 134 | − assert_equal (b, [19, 0, 18]) | |
| 135 | − assert_equal (a, b) | |
| 125 | + assert_equal(b, [19, 0, 18]) | |
| 126 | + | |
| 127 | +class aubio_fvec_test_memory(TestCase): | |
| 136 | 128 | |
| 137 | 129 | def test_pass_to_numpy(self): |
| 138 | 130 | a = fvec(10) |
| 139 | 131 | a = 1. |
| 140 | 132 | b = a |
| 141 | 133 | del a |
| 142 | − assert_equal (b, 1.) | |
| 134 | + assert_equal(b, 1.) | |
| 143 | 135 | c = fvec(10) |
| 144 | 136 | c = b |
| 145 | 137 | del b |
| 146 | − assert_equal (c, 1.) | |
| 138 | + assert_equal(c, 1.) | |
| 147 | 139 | del c |
| 148 | 140 | |
| 149 | 141 | if __name__ == '__main__': |