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annotate Lib/test/test_linuxaudiodev.py @ 58925:eecf1bef052d 2.6

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Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents 1e427bc0f818
children 30086aa33123 e6009b9cd908
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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2 test_support.requires('audio')
4e31e4086849 - The audio driver tests (test_ossaudiodev.py and
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3
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4 from test.test_support import findfile, TestSkipped, run_unittest
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675748378c81 test_linuxaudio:
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5
675748378c81 test_linuxaudio:
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parents: 13860
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6 import errno
46851
1e427bc0f818 The linuxaudidev module has been deprecated for removal in Python 3.0.
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7 linuxaudiodev = test_support.import_module('linuxaudiodev', deprecated=True)
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1b34c475da87 It seems our sound cards can't play mulaw data. Use native-format
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8 import sys
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675748378c81 test_linuxaudio:
Jeremy Hylton <jeremy@alum.mit.edu>
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9 import sunaudio
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1b34c475da87 It seems our sound cards can't play mulaw data. Use native-format
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10 import audioop
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48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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11 import unittest
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675748378c81 test_linuxaudio:
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12
675748378c81 test_linuxaudio:
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13 SND_FORMAT_MULAW_8 = 1
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1e784b879039 Added test for linnuxaudiodev module; directly adapted from sunaudiodev
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14
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48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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15 class LinuxAudioDevTests(unittest.TestCase):
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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16
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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17 def setUp(self):
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18 self.dev = linuxaudiodev.open('w')
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19
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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20 def tearDown(self):
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21 self.dev.close()
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22
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23 def test_methods(self):
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24 # at least check that these methods can be invoked
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25 self.dev.bufsize()
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26 self.dev.obufcount()
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27 self.dev.obuffree()
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28 self.dev.getptr()
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29 self.dev.fileno()
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30
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31 def test_play_sound_file(self):
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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32 path = findfile("audiotest.au")
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33 fp = open(path, 'r')
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34 size, enc, rate, nchannels, extra = sunaudio.gethdr(fp)
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35 data = fp.read()
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36 fp.close()
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37
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38 if enc != SND_FORMAT_MULAW_8:
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39 self.fail("Expect .au file with 8-bit mu-law samples")
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40
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41 # convert the data to 16-bit signed
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42 data = audioop.ulaw2lin(data, 2)
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43
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44 # set the data format
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45 if sys.byteorder == 'little':
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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46 fmt = linuxaudiodev.AFMT_S16_LE
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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47 else:
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48 fmt = linuxaudiodev.AFMT_S16_BE
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49
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parents: 36200
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50 # set parameters based on .au file headers
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51 self.dev.setparameters(rate, 16, nchannels, fmt)
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52 self.dev.write(data)
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53 self.dev.flush()
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54
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55 def test_errors(self):
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56 size = 8
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57 fmt = linuxaudiodev.AFMT_U8
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58 rate = 8000
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59 nchannels = 1
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60 try:
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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61 self.dev.setparameters(-1, size, nchannels, fmt)
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62 except ValueError, err:
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parents: 36200
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63 self.assertEquals(err.args[0], "expected rate >= 0, not -1")
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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parents: 36200
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64 try:
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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65 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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66 except ValueError, err:
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67 self.assertEquals(err.args[0], "expected sample size >= 0, not -2")
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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68 try:
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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69 self.dev.setparameters(rate, size, 3, fmt)
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70 except ValueError, err:
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71 self.assertEquals(err.args[0], "nchannels must be 1 or 2, not 3")
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72 try:
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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73 self.dev.setparameters(rate, size, nchannels, 177)
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parents: 36200
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74 except ValueError, err:
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75 self.assertEquals(err.args[0], "unknown audio encoding: 177")
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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diff changeset
76 try:
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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77 self.dev.setparameters(rate, size, nchannels, linuxaudiodev.AFMT_U16_LE)
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78 except ValueError, err:
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79 self.assertEquals(err.args[0], "for linear unsigned 16-bit little-endian "
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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80 "audio, expected sample size 16, not 8")
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diff changeset
81 try:
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82 self.dev.setparameters(rate, 16, nchannels, fmt)
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diff changeset
83 except ValueError, err:
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84 self.assertEquals(err.args[0], "for linear unsigned 8-bit audio, expected "
48d91f1558a0 Convert test_linuxaudiodev to unittest. Fix a wrong finally clause in test_ossaudiodev.
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diff changeset
85 "sample size 8, not 16")
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86
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87 def test_main():
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88 try:
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89 dsp = linuxaudiodev.open('w')
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a6e5b3868f3d Catch the correct errors.
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90 except linuxaudiodev.error, msg:
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91 if msg.args[0] in (errno.EACCES, errno.ENOENT, errno.ENODEV, errno.EBUSY):
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92 raise TestSkipped(msg)
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93 raise
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94 dsp.close()
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95 run_unittest(LinuxAudioDevTests)
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1e784b879039 Added test for linnuxaudiodev module; directly adapted from sunaudiodev
Fred Drake <fdrake@acm.org>
parents:
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96
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97 if __name__ == '__main__':
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98 test_main()