1 | #! /usr/bin/env python |
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2 | |
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3 | from numpy.testing import TestCase, assert_equal, assert_almost_equal |
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4 | from aubio import fvec, source |
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5 | from numpy import array |
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6 | from utils import list_all_sounds |
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7 | from nose2.tools import params |
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8 | |
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9 | list_of_sounds = list_all_sounds('sounds') |
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10 | default_test_sound = None |
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11 | samplerates = [0, 44100, 8000, 32000] |
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12 | hop_sizes = [512, 1024, 64] |
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13 | |
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14 | path = None |
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15 | |
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16 | all_params = [] |
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17 | for soundfile in list_of_sounds: |
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18 | for hop_size in hop_sizes: |
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19 | for samplerate in samplerates: |
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20 | all_params.append((hop_size, samplerate, soundfile)) |
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21 | |
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22 | |
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23 | class aubio_source_test_case_base(TestCase): |
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24 | |
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25 | def setUp(self): |
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26 | if not len(list_of_sounds): self.skipTest('add some sound files in \'python/tests/sounds\'') |
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27 | default_test_sound = list_of_sounds[0] |
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28 | |
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29 | class aubio_source_test_case(aubio_source_test_case_base): |
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30 | |
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31 | def test_close_file(self): |
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32 | samplerate = 0 # use native samplerate |
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33 | hop_size = 256 |
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34 | for p in list_of_sounds: |
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35 | f = source(p, samplerate, hop_size) |
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36 | f.close() |
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37 | |
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38 | def test_close_file_twice(self): |
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39 | samplerate = 0 # use native samplerate |
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40 | hop_size = 256 |
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41 | for p in list_of_sounds: |
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42 | f = source(p, samplerate, hop_size) |
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43 | f.close() |
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44 | f.close() |
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45 | |
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46 | class aubio_source_read_test_case(aubio_source_test_case_base): |
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47 | |
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48 | def read_from_source(self, f): |
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49 | total_frames = 0 |
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50 | while True: |
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51 | vec, read = f() |
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52 | total_frames += read |
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53 | if read < f.hop_size: break |
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54 | result_str = "read {:.2f}s ({:d} frames in {:d} blocks at {:d}Hz) from {:s}" |
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55 | result_params = total_frames / float(f.samplerate), total_frames, total_frames//f.hop_size, f.samplerate, f.uri |
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56 | #print (result_str.format(*result_params)) |
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57 | return total_frames |
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58 | |
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59 | @params(*all_params) |
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60 | def test_samplerate_hopsize(self, hop_size, samplerate, soundfile): |
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61 | try: |
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62 | f = source(soundfile, samplerate, hop_size) |
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63 | except RuntimeError as e: |
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64 | self.skipTest('failed opening with hop_s = {:d}, samplerate = {:d} ({:s})'.format(hop_size, samplerate, str(e))) |
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65 | assert f.samplerate != 0 |
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66 | self.read_from_source(f) |
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67 | |
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68 | @params(*list_of_sounds) |
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69 | def test_samplerate_none(self, p): |
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70 | f = source(p) |
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71 | assert f.samplerate != 0 |
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72 | self.read_from_source(f) |
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73 | |
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74 | @params(*list_of_sounds) |
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75 | def test_samplerate_0(self, p): |
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76 | f = source(p, 0) |
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77 | assert f.samplerate != 0 |
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78 | self.read_from_source(f) |
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79 | |
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80 | @params(*list_of_sounds) |
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81 | def test_zero_hop_size(self, p): |
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82 | f = source(p, 0, 0) |
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83 | assert f.samplerate != 0 |
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84 | assert f.hop_size != 0 |
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85 | self.read_from_source(f) |
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86 | |
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87 | @params(*list_of_sounds) |
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88 | def test_seek_to_half(self, p): |
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89 | from random import randint |
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90 | f = source(p, 0, 0) |
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91 | assert f.samplerate != 0 |
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92 | assert f.hop_size != 0 |
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93 | a = self.read_from_source(f) |
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94 | c = randint(0, a) |
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95 | f.seek(c) |
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96 | b = self.read_from_source(f) |
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97 | assert a == b + c |
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98 | |
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99 | @params(*list_of_sounds) |
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100 | def test_duration(self, p): |
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101 | total_frames = 0 |
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102 | f = source(p) |
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103 | duration = f.duration |
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104 | while True: |
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105 | vec, read = f() |
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106 | total_frames += read |
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107 | if read < f.hop_size: break |
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108 | self.assertEqual(duration, total_frames) |
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109 | |
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110 | |
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111 | class aubio_source_test_wrong_params(TestCase): |
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112 | |
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113 | def test_wrong_file(self): |
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114 | with self.assertRaises(RuntimeError): |
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115 | f = source('path_to/unexisting file.mp3') |
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116 | |
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117 | class aubio_source_test_wrong_params(aubio_source_test_case_base): |
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118 | |
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119 | def test_wrong_samplerate(self): |
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120 | with self.assertRaises(ValueError): |
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121 | f = source(default_test_sound, -1) |
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122 | |
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123 | def test_wrong_hop_size(self): |
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124 | with self.assertRaises(ValueError): |
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125 | f = source(default_test_sound, 0, -1) |
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126 | |
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127 | def test_wrong_channels(self): |
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128 | with self.assertRaises(ValueError): |
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129 | f = source(default_test_sound, 0, 0, -1) |
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130 | |
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131 | def test_wrong_seek(self): |
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132 | f = source(default_test_sound) |
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133 | with self.assertRaises(ValueError): |
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134 | f.seek(-1) |
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135 | |
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136 | def test_wrong_seek_too_large(self): |
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137 | f = source(default_test_sound) |
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138 | try: |
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139 | with self.assertRaises(ValueError): |
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140 | f.seek(f.duration + f.samplerate * 10) |
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141 | except AssertionError as e: |
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142 | self.skipTest('seeking after end of stream failed raising ValueError') |
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143 | |
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144 | class aubio_source_readmulti_test_case(aubio_source_read_test_case): |
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145 | |
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146 | def read_from_source(self, f): |
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147 | total_frames = 0 |
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148 | while True: |
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149 | vec, read = f.do_multi() |
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150 | total_frames += read |
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151 | if read < f.hop_size: break |
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152 | result_str = "read {:.2f}s ({:d} frames in {:d} channels and {:d} blocks at {:d}Hz) from {:s}" |
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153 | result_params = total_frames / float(f.samplerate), total_frames, f.channels, int(total_frames/f.hop_size), f.samplerate, f.uri |
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154 | #print (result_str.format(*result_params)) |
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155 | return total_frames |
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156 | |
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157 | if __name__ == '__main__': |
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158 | from nose2 import main |
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159 | main() |
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