python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_ossaudiodev.py

@@ -0,0 +1,202 @@
+from test import support
+support.requires('audio')
+
+from test.support import findfile
+
+ossaudiodev = support.import_module('ossaudiodev')
+
+import errno
+import sys
+import sunau
+import time
+import audioop
+import unittest
+
+# Arggh, AFMT_S16_NE not defined on all platforms -- seems to be a
+# fairly recent addition to OSS.
+try:
+    from ossaudiodev import AFMT_S16_NE
+except ImportError:
+    if sys.byteorder == "little":
+        AFMT_S16_NE = ossaudiodev.AFMT_S16_LE
+    else:
+        AFMT_S16_NE = ossaudiodev.AFMT_S16_BE
+
+
+def read_sound_file(path):
+    with open(path, 'rb') as fp:
+        au = sunau.open(fp)
+        rate = au.getframerate()
+        nchannels = au.getnchannels()
+        encoding = au._encoding
+        fp.seek(0)
+        data = fp.read()
+
+    if encoding != sunau.AUDIO_FILE_ENCODING_MULAW_8:
+        raise RuntimeError("Expect .au file with 8-bit mu-law samples")
+
+    # Convert the data to 16-bit signed.
+    data = audioop.ulaw2lin(data, 2)
+    return (data, rate, 16, nchannels)
+
+class OSSAudioDevTests(unittest.TestCase):
+
+    def play_sound_file(self, data, rate, ssize, nchannels):
+        try:
+            dsp = ossaudiodev.open('w')
+        except OSError as msg:
+            if msg.args[0] in (errno.EACCES, errno.ENOENT,
+                               errno.ENODEV, errno.EBUSY):
+                raise unittest.SkipTest(msg)
+            raise
+
+        # at least check that these methods can be invoked
+        dsp.bufsize()
+        dsp.obufcount()
+        dsp.obuffree()
+        dsp.getptr()
+        dsp.fileno()
+
+        # Make sure the read-only attributes work.
+        self.assertFalse(dsp.closed)
+        self.assertEqual(dsp.name, "/dev/dsp")
+        self.assertEqual(dsp.mode, "w", "bad dsp.mode: %r" % dsp.mode)
+
+        # And make sure they're really read-only.
+        for attr in ('closed', 'name', 'mode'):
+            try:
+                setattr(dsp, attr, 42)
+            except (TypeError, AttributeError):
+                pass
+            else:
+                self.fail("dsp.%s not read-only" % attr)
+
+        # Compute expected running time of sound sample (in seconds).
+        expected_time = float(len(data)) / (ssize/8) / nchannels / rate
+
+        # set parameters based on .au file headers
+        dsp.setparameters(AFMT_S16_NE, nchannels, rate)
+        self.assertTrue(abs(expected_time - 3.51) < 1e-2, expected_time)
+        t1 = time.time()
+        dsp.write(data)
+        dsp.close()
+        t2 = time.time()
+        elapsed_time = t2 - t1
+
+        percent_diff = (abs(elapsed_time - expected_time) / expected_time) * 100
+        self.assertTrue(percent_diff <= 10.0,
+                        "elapsed time (%s) > 10%% off of expected time (%s)" %
+                        (elapsed_time, expected_time))
+
+    def set_parameters(self, dsp):
+        # Two configurations for testing:
+        #   config1 (8-bit, mono, 8 kHz) should work on even the most
+        #      ancient and crufty sound card, but maybe not on special-
+        #      purpose high-end hardware
+        #   config2 (16-bit, stereo, 44.1kHz) should work on all but the
+        #      most ancient and crufty hardware
+        config1 = (ossaudiodev.AFMT_U8, 1, 8000)
+        config2 = (AFMT_S16_NE, 2, 44100)
+
+        for config in [config1, config2]:
+            (fmt, channels, rate) = config
+            if (dsp.setfmt(fmt) == fmt and
+                dsp.channels(channels) == channels and
+                dsp.speed(rate) == rate):
+                break
+        else:
+            raise RuntimeError("unable to set audio sampling parameters: "
+                               "you must have really weird audio hardware")
+
+        # setparameters() should be able to set this configuration in
+        # either strict or non-strict mode.
+        result = dsp.setparameters(fmt, channels, rate, False)
+        self.assertEqual(result, (fmt, channels, rate),
+                         "setparameters%r: returned %r" % (config, result))
+
+        result = dsp.setparameters(fmt, channels, rate, True)
+        self.assertEqual(result, (fmt, channels, rate),
+                         "setparameters%r: returned %r" % (config, result))
+
+    def set_bad_parameters(self, dsp):
+        # Now try some configurations that are presumably bogus: eg. 300
+        # channels currently exceeds even Hollywood's ambitions, and
+        # negative sampling rate is utter nonsense.  setparameters() should
+        # accept these in non-strict mode, returning something other than
+        # was requested, but should barf in strict mode.
+        fmt = AFMT_S16_NE
+        rate = 44100
+        channels = 2
+        for config in [(fmt, 300, rate),       # ridiculous nchannels
+                       (fmt, -5, rate),        # impossible nchannels
+                       (fmt, channels, -50),   # impossible rate
+                      ]:
+            (fmt, channels, rate) = config
+            result = dsp.setparameters(fmt, channels, rate, False)
+            self.assertNotEqual(result, config,
+                             "unexpectedly got requested configuration")
+
+            try:
+                result = dsp.setparameters(fmt, channels, rate, True)
+            except ossaudiodev.OSSAudioError as err:
+                pass
+            else:
+                self.fail("expected OSSAudioError")
+
+    def test_playback(self):
+        sound_info = read_sound_file(findfile('audiotest.au'))
+        self.play_sound_file(*sound_info)
+
+    def test_set_parameters(self):
+        dsp = ossaudiodev.open("w")
+        try:
+            self.set_parameters(dsp)
+
+            # Disabled because it fails under Linux 2.6 with ALSA's OSS
+            # emulation layer.
+            #self.set_bad_parameters(dsp)
+        finally:
+            dsp.close()
+            self.assertTrue(dsp.closed)
+
+    def test_mixer_methods(self):
+        # Issue #8139: ossaudiodev didn't initialize its types properly,
+        # therefore some methods were unavailable.
+        with ossaudiodev.openmixer() as mixer:
+            self.assertGreaterEqual(mixer.fileno(), 0)
+
+    def test_with(self):
+        with ossaudiodev.open('w') as dsp:
+            pass
+        self.assertTrue(dsp.closed)
+
+    def test_on_closed(self):
+        dsp = ossaudiodev.open('w')
+        dsp.close()
+        self.assertRaises(ValueError, dsp.fileno)
+        self.assertRaises(ValueError, dsp.read, 1)
+        self.assertRaises(ValueError, dsp.write, b'x')
+        self.assertRaises(ValueError, dsp.writeall, b'x')
+        self.assertRaises(ValueError, dsp.bufsize)
+        self.assertRaises(ValueError, dsp.obufcount)
+        self.assertRaises(ValueError, dsp.obufcount)
+        self.assertRaises(ValueError, dsp.obuffree)
+        self.assertRaises(ValueError, dsp.getptr)
+
+        mixer = ossaudiodev.openmixer()
+        mixer.close()
+        self.assertRaises(ValueError, mixer.fileno)
+
+def test_main():
+    try:
+        dsp = ossaudiodev.open('w')
+    except (ossaudiodev.error, OSError) as msg:
+        if msg.args[0] in (errno.EACCES, errno.ENOENT,
+                           errno.ENODEV, errno.EBUSY):
+            raise unittest.SkipTest(msg)
+        raise
+    dsp.close()
+    support.run_unittest(__name__)
+
+if __name__ == "__main__":
+    test_main()