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