source: python/tests/test_source.py @ 980a4f4

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 980a4f4 was 980a4f4, checked in by Paul Brossier <piem@piem.org>, 8 years ago

python/tests/test_source.py: use nose2 params to process one sound file per test

  • Property mode set to 100755
File size: 4.9 KB
Line 
1#! /usr/bin/env python
2
3from nose2 import main
4from nose2.tools import params
5from numpy.testing import TestCase
6from aubio import source
7from utils import list_all_sounds
8
9list_of_sounds = list_all_sounds('sounds')
10samplerates = [0, 44100, 8000, 32000]
11hop_sizes = [512, 1024, 64]
12
13path = None
14
15all_params = []
16for soundfile in list_of_sounds:
17    for hop_size in hop_sizes:
18        for samplerate in samplerates:
19            all_params.append((hop_size, samplerate, soundfile))
20
21
22class aubio_source_test_case_base(TestCase):
23
24    def setUp(self):
25        if not len(list_of_sounds): self.skipTest('add some sound files in \'python/tests/sounds\'')
26        self.default_test_sound = list_of_sounds[0]
27
28class aubio_source_test_case(aubio_source_test_case_base):
29
30    @params(*list_of_sounds)
31    def test_close_file(self, filename):
32        samplerate = 0 # use native samplerate
33        hop_size = 256
34        f = source(filename, samplerate, hop_size)
35        f.close()
36
37    @params(*list_of_sounds)
38    def test_close_file_twice(self, filename):
39        samplerate = 0 # use native samplerate
40        hop_size = 256
41        f = source(filename, samplerate, hop_size)
42        f.close()
43        f.close()
44
45class aubio_source_read_test_case(aubio_source_test_case_base):
46
47    def read_from_source(self, f):
48        total_frames = 0
49        while True:
50            _ , read = f()
51            total_frames += read
52            if read < f.hop_size: break
53        #result_str = "read {:.2f}s ({:d} frames in {:d} blocks at {:d}Hz) from {:s}"
54        #result_params = total_frames / float(f.samplerate), total_frames, total_frames//f.hop_size, f.samplerate, f.uri
55        #print (result_str.format(*result_params))
56        return total_frames
57
58    @params(*all_params)
59    def test_samplerate_hopsize(self, hop_size, samplerate, soundfile):
60        try:
61            f = source(soundfile, samplerate, hop_size)
62        except RuntimeError as e:
63            self.skipTest('failed opening with hop_s = {:d}, samplerate = {:d} ({:s})'.format(hop_size, samplerate, str(e)))
64        assert f.samplerate != 0
65        self.read_from_source(f)
66
67    @params(*list_of_sounds)
68    def test_samplerate_none(self, p):
69        f = source(p)
70        assert f.samplerate != 0
71        self.read_from_source(f)
72
73    @params(*list_of_sounds)
74    def test_samplerate_0(self, p):
75        f = source(p, 0)
76        assert f.samplerate != 0
77        self.read_from_source(f)
78
79    @params(*list_of_sounds)
80    def test_zero_hop_size(self, p):
81        f = source(p, 0, 0)
82        assert f.samplerate != 0
83        assert f.hop_size != 0
84        self.read_from_source(f)
85
86    @params(*list_of_sounds)
87    def test_seek_to_half(self, p):
88        from random import randint
89        f = source(p, 0, 0)
90        assert f.samplerate != 0
91        assert f.hop_size != 0
92        a = self.read_from_source(f)
93        c = randint(0, a)
94        f.seek(c)
95        b = self.read_from_source(f)
96        assert a == b + c
97
98    @params(*list_of_sounds)
99    def test_duration(self, p):
100        total_frames = 0
101        f = source(p)
102        duration = f.duration
103        while True:
104            _, read = f()
105            total_frames += read
106            if read < f.hop_size: break
107        self.assertEqual(duration, total_frames)
108
109
110class aubio_source_test_wrong_params(TestCase):
111
112    def test_wrong_file(self):
113        with self.assertRaises(RuntimeError):
114            source('path_to/unexisting file.mp3')
115
116class aubio_source_test_wrong_params_with_file(aubio_source_test_case_base):
117
118    def test_wrong_samplerate(self):
119        with self.assertRaises(ValueError):
120            source(self.default_test_sound, -1)
121
122    def test_wrong_hop_size(self):
123        with self.assertRaises(ValueError):
124            source(self.default_test_sound, 0, -1)
125
126    def test_wrong_channels(self):
127        with self.assertRaises(ValueError):
128            source(self.default_test_sound, 0, 0, -1)
129
130    def test_wrong_seek(self):
131        f = source(self.default_test_sound)
132        with self.assertRaises(ValueError):
133            f.seek(-1)
134
135    def test_wrong_seek_too_large(self):
136        f = source(self.default_test_sound)
137        try:
138            with self.assertRaises(ValueError):
139                f.seek(f.duration + f.samplerate * 10)
140        except AssertionError:
141            self.skipTest('seeking after end of stream failed raising ValueError')
142
143class aubio_source_readmulti_test_case(aubio_source_read_test_case):
144
145    def read_from_source(self, f):
146        total_frames = 0
147        while True:
148            _, read = f.do_multi()
149            total_frames += read
150            if read < f.hop_size: break
151        #result_str = "read {:.2f}s ({:d} frames in {:d} channels and {:d} blocks at {:d}Hz) from {:s}"
152        #result_params = total_frames / float(f.samplerate), total_frames, f.channels, int(total_frames/f.hop_size), f.samplerate, f.uri
153        #print (result_str.format(*result_params))
154        return total_frames
155
156if __name__ == '__main__':
157    main()
Note: See TracBrowser for help on using the repository browser.