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//usr/local/lib/python3.9/test/test_winsound.py
# 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) # embedded null character self.assertRaises(ValueError, winsound.PlaySound, 'bad\0', 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()