source: python/tests/test_slicing.py @ 51b5f9c

feature/autosinkfeature/constantqfeature/pitchshiftfeature/timestretch
Last change on this file since 51b5f9c was d4fae34, checked in by Paul Brossier <piem@piem.org>, 11 months ago

[tests] remove init.py, use absolute imports

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File size: 7.4 KB
Line 
1#! /usr/bin/env python
2
3from numpy.testing import TestCase, assert_equal
4from aubio import slice_source_at_stamps
5from utils import count_files_in_directory, get_default_test_sound
6from utils import count_samples_in_directory, count_samples_in_file
7
8import tempfile
9import shutil
10
11n_slices = 4
12
13class aubio_slicing_test_case(TestCase):
14
15    def setUp(self):
16        self.source_file = get_default_test_sound(self)
17        self.output_dir = tempfile.mkdtemp(suffix = 'aubio_slicing_test_case')
18
19    def test_slice_start_only(self):
20        regions_start = [i*1000 for i in range(n_slices)]
21        slice_source_at_stamps(self.source_file, regions_start, output_dir = self.output_dir)
22
23    def test_slice_start_only_no_zero(self):
24        regions_start = [i*1000 for i in range(1, n_slices)]
25        slice_source_at_stamps(self.source_file, regions_start,
26                output_dir = self.output_dir, create_first=True)
27
28    def test_slice_start_beyond_end(self):
29        regions_start = [i*1000 for i in range(1, n_slices)]
30        regions_start += [count_samples_in_file(self.source_file) + 1000]
31        slice_source_at_stamps(self.source_file, regions_start,
32                output_dir = self.output_dir, create_first=True)
33
34    def test_slice_start_every_blocksize(self):
35        hopsize = 200
36        regions_start = [i*hopsize for i in range(0, n_slices)]
37        slice_source_at_stamps(self.source_file, regions_start, output_dir = self.output_dir,
38                hopsize = 200)
39
40    def test_slice_start_every_half_blocksize(self):
41        hopsize = 200
42        regions_start = [i*hopsize//2 for i in range(0, n_slices)]
43        slice_source_at_stamps(self.source_file, regions_start,
44                output_dir = self.output_dir, hopsize = 200)
45
46    def tearDown(self):
47        original_samples = count_samples_in_file(self.source_file)
48        written_samples = count_samples_in_directory(self.output_dir)
49        total_files = count_files_in_directory(self.output_dir)
50        assert_equal(n_slices, total_files,
51            "number of slices created different from expected")
52        assert_equal(written_samples, original_samples,
53            "number of samples written different from number of original samples")
54        shutil.rmtree(self.output_dir)
55
56class aubio_slicing_with_ends_test_case(TestCase):
57
58    def setUp(self):
59        self.source_file = get_default_test_sound(self)
60        self.output_dir = tempfile.mkdtemp(suffix = 'aubio_slicing_test_case')
61
62    def test_slice_start_and_ends_no_gap(self):
63        regions_start = [i*1000 for i in range(n_slices)]
64        regions_ends = [start - 1 for start in regions_start[1:]] + [1e120]
65        slice_source_at_stamps(self.source_file, regions_start, regions_ends,
66                output_dir = self.output_dir)
67        original_samples = count_samples_in_file(self.source_file)
68        written_samples = count_samples_in_directory(self.output_dir)
69        total_files = count_files_in_directory(self.output_dir)
70        assert_equal(n_slices, total_files,
71            "number of slices created different from expected")
72        assert_equal(written_samples, original_samples,
73            "number of samples written different from number of original samples")
74
75    def test_slice_start_and_ends_200_gap(self):
76        regions_start = [i*1000 for i in range(n_slices)]
77        regions_ends = [start + 199 for start in regions_start]
78        slice_source_at_stamps(self.source_file, regions_start, regions_ends,
79                output_dir = self.output_dir)
80        expected_samples = 200 * n_slices
81        written_samples = count_samples_in_directory(self.output_dir)
82        total_files = count_files_in_directory(self.output_dir)
83        assert_equal(n_slices, total_files,
84            "number of slices created different from expected")
85        assert_equal(written_samples, expected_samples,
86            "number of samples written different from number of original samples")
87
88    def test_slice_start_and_ends_overlaping(self):
89        regions_start = [i*1000 for i in range(n_slices)]
90        regions_ends = [start + 1199 for start in regions_start]
91        slice_source_at_stamps(self.source_file, regions_start, regions_ends,
92                output_dir = self.output_dir)
93        expected_samples = 1200 * n_slices
94        written_samples = count_samples_in_directory(self.output_dir)
95        total_files = count_files_in_directory(self.output_dir)
96        assert_equal(n_slices, total_files,
97            "number of slices created different from expected")
98        assert_equal(written_samples, expected_samples,
99            "number of samples written different from number of original samples")
100
101    def test_slice_start_and_ends_with_missing_end(self):
102        regions_start = [i*1000 for i in range(n_slices)]
103        regions_ends = [r-1 for r in regions_start[1:]]
104        slice_source_at_stamps(self.source_file, regions_start, regions_ends,
105                output_dir = self.output_dir)
106        written_samples = count_samples_in_directory(self.output_dir)
107        original_samples = count_samples_in_file(self.source_file)
108        total_files = count_files_in_directory(self.output_dir)
109        assert_equal(n_slices, total_files,
110            "number of slices created different from expected")
111        assert_equal(written_samples, original_samples,
112            "number of samples written different from number of original samples")
113
114    def tearDown(self):
115        shutil.rmtree(self.output_dir)
116
117
118class aubio_slicing_wrong_starts_test_case(TestCase):
119
120    def setUp(self):
121        self.source_file = get_default_test_sound(self)
122        self.output_dir = tempfile.mkdtemp(suffix = 'aubio_slicing_test_case')
123
124    def test_slice_start_empty(self):
125        regions_start = []
126        self.assertRaises(ValueError,
127                slice_source_at_stamps,
128                self.source_file, regions_start, output_dir = self.output_dir)
129
130    def test_slice_start_none(self):
131        regions_start = None
132        self.assertRaises(ValueError,
133                slice_source_at_stamps,
134                self.source_file, regions_start, output_dir = self.output_dir)
135
136    def tearDown(self):
137        shutil.rmtree(self.output_dir)
138
139class aubio_slicing_wrong_ends_test_case(TestCase):
140
141    def setUp(self):
142        self.source_file = get_default_test_sound(self)
143        self.output_dir = tempfile.mkdtemp(suffix = 'aubio_slicing_test_case')
144
145    def test_slice_wrong_ends(self):
146        regions_start = [i*1000 for i in range(1, n_slices)]
147        regions_end = []
148        self.assertRaises (ValueError,
149            slice_source_at_stamps, self.source_file, regions_start, regions_end,
150                output_dir = self.output_dir)
151
152    def test_slice_no_ends(self):
153        regions_start = [i*1000 for i in range(1, n_slices)]
154        regions_end = None
155        slice_source_at_stamps (self.source_file, regions_start, regions_end,
156                output_dir = self.output_dir, create_first=True)
157        total_files = count_files_in_directory(self.output_dir)
158        assert_equal(n_slices, total_files,
159            "number of slices created different from expected")
160        original_samples = count_samples_in_file(self.source_file)
161        written_samples = count_samples_in_directory(self.output_dir)
162        assert_equal(written_samples, original_samples,
163            "number of samples written different from number of original samples")
164
165    def tearDown(self):
166        shutil.rmtree(self.output_dir)
167
168if __name__ == '__main__':
169    from unittest import main
170    main()
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