151 lines
4.6 KiB
Python
151 lines
4.6 KiB
Python
# Ridiculously simple test of the winsound module for Windows.
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import functools
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import time
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import unittest
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from test import support
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from test.support import import_helper
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support.requires('audio')
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winsound = import_helper.import_module('winsound')
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# Unless we actually have an ear in the room, we have no idea whether a sound
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# actually plays, and it's incredibly flaky trying to figure out if a sound
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# even *should* play. Instead of guessing, just call the function and assume
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# it either passed or raised the RuntimeError we expect in case of failure.
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def sound_func(func):
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@functools.wraps(func)
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def wrapper(*args, **kwargs):
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try:
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ret = func(*args, **kwargs)
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except RuntimeError as e:
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if support.verbose:
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print(func.__name__, 'failed:', e)
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else:
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if support.verbose:
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print(func.__name__, 'returned')
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return ret
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return wrapper
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safe_Beep = sound_func(winsound.Beep)
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safe_MessageBeep = sound_func(winsound.MessageBeep)
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safe_PlaySound = sound_func(winsound.PlaySound)
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class BeepTest(unittest.TestCase):
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def test_errors(self):
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self.assertRaises(TypeError, winsound.Beep)
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self.assertRaises(ValueError, winsound.Beep, 36, 75)
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self.assertRaises(ValueError, winsound.Beep, 32768, 75)
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def test_extremes(self):
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safe_Beep(37, 75)
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safe_Beep(32767, 75)
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def test_increasingfrequency(self):
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for i in range(100, 2000, 100):
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safe_Beep(i, 75)
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def test_keyword_args(self):
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safe_Beep(duration=75, frequency=2000)
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class MessageBeepTest(unittest.TestCase):
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def tearDown(self):
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time.sleep(0.5)
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def test_default(self):
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self.assertRaises(TypeError, winsound.MessageBeep, "bad")
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self.assertRaises(TypeError, winsound.MessageBeep, 42, 42)
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safe_MessageBeep()
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def test_ok(self):
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safe_MessageBeep(winsound.MB_OK)
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def test_asterisk(self):
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safe_MessageBeep(winsound.MB_ICONASTERISK)
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def test_exclamation(self):
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safe_MessageBeep(winsound.MB_ICONEXCLAMATION)
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def test_hand(self):
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safe_MessageBeep(winsound.MB_ICONHAND)
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def test_question(self):
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safe_MessageBeep(winsound.MB_ICONQUESTION)
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def test_keyword_args(self):
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safe_MessageBeep(type=winsound.MB_OK)
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class PlaySoundTest(unittest.TestCase):
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def test_errors(self):
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self.assertRaises(TypeError, winsound.PlaySound)
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self.assertRaises(TypeError, winsound.PlaySound, "bad", "bad")
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self.assertRaises(
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RuntimeError,
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winsound.PlaySound,
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"none", winsound.SND_ASYNC | winsound.SND_MEMORY
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)
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self.assertRaises(TypeError, winsound.PlaySound, b"bad", 0)
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self.assertRaises(TypeError, winsound.PlaySound, "bad",
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winsound.SND_MEMORY)
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self.assertRaises(TypeError, winsound.PlaySound, 1, 0)
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# embedded null character
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self.assertRaises(ValueError, winsound.PlaySound, 'bad\0', 0)
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def test_keyword_args(self):
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safe_PlaySound(flags=winsound.SND_ALIAS, sound="SystemExit")
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def test_snd_memory(self):
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with open(support.findfile('pluck-pcm8.wav',
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subdir='audiodata'), 'rb') as f:
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audio_data = f.read()
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safe_PlaySound(audio_data, winsound.SND_MEMORY)
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audio_data = bytearray(audio_data)
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safe_PlaySound(audio_data, winsound.SND_MEMORY)
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def test_snd_filename(self):
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fn = support.findfile('pluck-pcm8.wav', subdir='audiodata')
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safe_PlaySound(fn, winsound.SND_FILENAME | winsound.SND_NODEFAULT)
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def test_aliases(self):
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aliases = [
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"SystemAsterisk",
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"SystemExclamation",
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"SystemExit",
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"SystemHand",
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"SystemQuestion",
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]
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for alias in aliases:
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with self.subTest(alias=alias):
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safe_PlaySound(alias, winsound.SND_ALIAS)
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def test_alias_fallback(self):
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safe_PlaySound('!"$%&/(#+*', winsound.SND_ALIAS)
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def test_alias_nofallback(self):
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safe_PlaySound('!"$%&/(#+*', winsound.SND_ALIAS | winsound.SND_NODEFAULT)
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def test_stopasync(self):
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safe_PlaySound(
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'SystemQuestion',
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winsound.SND_ALIAS | winsound.SND_ASYNC | winsound.SND_LOOP
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)
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time.sleep(0.5)
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safe_PlaySound('SystemQuestion', winsound.SND_ALIAS | winsound.SND_NOSTOP)
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# Issue 8367: PlaySound(None, winsound.SND_PURGE)
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# does not raise on systems without a sound card.
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winsound.PlaySound(None, winsound.SND_PURGE)
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if __name__ == "__main__":
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unittest.main()
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