Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_linuxaudiodev.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents b36cb4602e21
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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4e31e4086849 - The audio driver tests (test_ossaudiodev.py and
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
1 from test import test_support
4e31e4086849 - The audio driver tests (test_ossaudiodev.py and
Guido van Rossum <guido@python.org>
parents: 24364
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2 test_support.requires('audio')
4e31e4086849 - The audio driver tests (test_ossaudiodev.py and
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parents: 24364
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3
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228cfb6e2900 fix incorrect auto-translation of TestSkipped -> unittest.SkipTest
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parents: 52353
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4 from test.test_support import findfile, run_unittest
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675748378c81 test_linuxaudio:
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parents: 13860
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5
675748378c81 test_linuxaudio:
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parents: 13860
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6 import errno
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1b34c475da87 It seems our sound cards can't play mulaw data. Use native-format
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parents: 15062
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7 import sys
1b34c475da87 It seems our sound cards can't play mulaw data. Use native-format
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parents: 15062
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8 import audioop
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parents: 36200
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9 import unittest
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675748378c81 test_linuxaudio:
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parents: 13860
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10
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Ezio Melotti <ezio.melotti@gmail.com>
parents: 46851
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11 linuxaudiodev = test_support.import_module('linuxaudiodev', deprecated=True)
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parents: 46851
diff changeset
12 sunaudio = test_support.import_module('sunaudio', deprecated=True)
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13
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14 SND_FORMAT_MULAW_8 = 1
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1e784b879039 Added test for linnuxaudiodev module; directly adapted from sunaudiodev
Fred Drake <fdrake@acm.org>
parents:
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15
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16 class LinuxAudioDevTests(unittest.TestCase):
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17
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18 def setUp(self):
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19 self.dev = linuxaudiodev.open('w')
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20
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21 def tearDown(self):
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22 self.dev.close()
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23
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24 def test_methods(self):
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25 # at least check that these methods can be invoked
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26 self.dev.bufsize()
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27 self.dev.obufcount()
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28 self.dev.obuffree()
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29 self.dev.getptr()
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30 self.dev.fileno()
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31
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32 def test_play_sound_file(self):
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33 path = findfile("audiotest.au")
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34 fp = open(path, 'r')
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35 size, enc, rate, nchannels, extra = sunaudio.gethdr(fp)
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36 data = fp.read()
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37 fp.close()
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38
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diff changeset
39 if enc != SND_FORMAT_MULAW_8:
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40 self.fail("Expect .au file with 8-bit mu-law samples")
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41
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42 # convert the data to 16-bit signed
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43 data = audioop.ulaw2lin(data, 2)
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parents: 15062
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44
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parents: 36200
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45 # set the data format
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parents: 36200
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46 if sys.byteorder == 'little':
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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parents: 36200
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47 fmt = linuxaudiodev.AFMT_S16_LE
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48 else:
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49 fmt = linuxaudiodev.AFMT_S16_BE
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50
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parents: 36200
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51 # set parameters based on .au file headers
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parents: 36200
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52 self.dev.setparameters(rate, 16, nchannels, fmt)
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parents: 36200
diff changeset
53 self.dev.write(data)
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54 self.dev.flush()
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parents: 13860
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55
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56 def test_errors(self):
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57 size = 8
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58 fmt = linuxaudiodev.AFMT_U8
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59 rate = 8000
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60 nchannels = 1
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61 try:
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62 self.dev.setparameters(-1, size, nchannels, fmt)
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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parents: 36200
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63 except ValueError, err:
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parents: 58580
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64 self.assertEqual(err.args[0], "expected rate >= 0, not -1")
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65 try:
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parents: 36200
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66 self.dev.setparameters(rate, -2, nchannels, fmt)
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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parents: 36200
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67 except ValueError, err:
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parents: 58580
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68 self.assertEqual(err.args[0], "expected sample size >= 0, not -2")
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parents: 36200
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69 try:
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parents: 36200
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70 self.dev.setparameters(rate, size, 3, fmt)
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parents: 36200
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71 except ValueError, err:
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parents: 58580
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72 self.assertEqual(err.args[0], "nchannels must be 1 or 2, not 3")
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parents: 36200
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73 try:
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parents: 36200
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74 self.dev.setparameters(rate, size, nchannels, 177)
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parents: 36200
diff changeset
75 except ValueError, err:
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parents: 58580
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76 self.assertEqual(err.args[0], "unknown audio encoding: 177")
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parents: 36200
diff changeset
77 try:
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parents: 36200
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78 self.dev.setparameters(rate, size, nchannels, linuxaudiodev.AFMT_U16_LE)
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parents: 36200
diff changeset
79 except ValueError, err:
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parents: 58580
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80 self.assertEqual(err.args[0], "for linear unsigned 16-bit little-endian "
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parents: 58580
diff changeset
81 "audio, expected sample size 16, not 8")
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82 try:
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83 self.dev.setparameters(rate, 16, nchannels, fmt)
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parents: 36200
diff changeset
84 except ValueError, err:
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Ezio Melotti <ezio.melotti@gmail.com>
parents: 58580
diff changeset
85 self.assertEqual(err.args[0], "for linear unsigned 8-bit audio, expected "
614c84670c63 Merged revisions 86596 via svnmerge from
Ezio Melotti <ezio.melotti@gmail.com>
parents: 58580
diff changeset
86 "sample size 8, not 16")
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 13860
diff changeset
87
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88 def test_main():
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parents: 13860
diff changeset
89 try:
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90 dsp = linuxaudiodev.open('w')
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a6e5b3868f3d Catch the correct errors.
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91 except linuxaudiodev.error, msg:
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diff changeset
92 if msg.args[0] in (errno.EACCES, errno.ENOENT, errno.ENODEV, errno.EBUSY):
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93 raise unittest.SkipTest(msg)
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94 raise
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95 dsp.close()
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96 run_unittest(LinuxAudioDevTests)
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Fred Drake <fdrake@acm.org>
parents:
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97
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98 if __name__ == '__main__':
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99 test_main()