257 lines
8.9 KiB
Python
257 lines
8.9 KiB
Python
# Ridiculously simple test of the winsound module for Windows.
|
|
|
|
import unittest
|
|
from test import support
|
|
support.requires('audio')
|
|
import time
|
|
import os
|
|
import subprocess
|
|
|
|
winsound = support.import_module('winsound')
|
|
ctypes = support.import_module('ctypes')
|
|
import winreg
|
|
|
|
def has_sound(sound):
|
|
"""Find out if a particular event is configured with a default sound"""
|
|
try:
|
|
# Ask the mixer API for the number of devices it knows about.
|
|
# When there are no devices, PlaySound will fail.
|
|
if ctypes.windll.winmm.mixerGetNumDevs() == 0:
|
|
return False
|
|
|
|
key = winreg.OpenKeyEx(winreg.HKEY_CURRENT_USER,
|
|
"AppEvents\Schemes\Apps\.Default\{0}\.Default".format(sound))
|
|
return winreg.EnumValue(key, 0)[1] != ""
|
|
except WindowsError:
|
|
return False
|
|
|
|
class BeepTest(unittest.TestCase):
|
|
# As with PlaySoundTest, incorporate the _have_soundcard() check
|
|
# into our test methods. If there's no audio device present,
|
|
# winsound.Beep returns 0 and GetLastError() returns 127, which
|
|
# is: ERROR_PROC_NOT_FOUND ("The specified procedure could not
|
|
# be found"). (FWIW, virtual/Hyper-V systems fall under this
|
|
# scenario as they have no sound devices whatsoever (not even
|
|
# a legacy Beep device).)
|
|
|
|
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):
|
|
self._beep(37, 75)
|
|
self._beep(32767, 75)
|
|
|
|
def test_increasingfrequency(self):
|
|
for i in range(100, 2000, 100):
|
|
self._beep(i, 75)
|
|
|
|
def _beep(self, *args):
|
|
# these tests used to use _have_soundcard(), but it's quite
|
|
# possible to have a soundcard, and yet have the beep driver
|
|
# disabled. So basically, we have no way of knowing whether
|
|
# a beep should be produced or not, so currently if these
|
|
# tests fail we're ignoring them
|
|
#
|
|
# XXX the right fix for this is to define something like
|
|
# _have_enabled_beep_driver() and use that instead of the
|
|
# try/except below
|
|
try:
|
|
winsound.Beep(*args)
|
|
except RuntimeError:
|
|
pass
|
|
|
|
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)
|
|
winsound.MessageBeep()
|
|
|
|
def test_ok(self):
|
|
winsound.MessageBeep(winsound.MB_OK)
|
|
|
|
def test_asterisk(self):
|
|
winsound.MessageBeep(winsound.MB_ICONASTERISK)
|
|
|
|
def test_exclamation(self):
|
|
winsound.MessageBeep(winsound.MB_ICONEXCLAMATION)
|
|
|
|
def test_hand(self):
|
|
winsound.MessageBeep(winsound.MB_ICONHAND)
|
|
|
|
def test_question(self):
|
|
winsound.MessageBeep(winsound.MB_ICONQUESTION)
|
|
|
|
|
|
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
|
|
)
|
|
|
|
@unittest.skipUnless(has_sound("SystemAsterisk"),
|
|
"No default SystemAsterisk")
|
|
def test_alias_asterisk(self):
|
|
if _have_soundcard():
|
|
winsound.PlaySound('SystemAsterisk', winsound.SND_ALIAS)
|
|
else:
|
|
self.assertRaises(
|
|
RuntimeError,
|
|
winsound.PlaySound,
|
|
'SystemAsterisk', winsound.SND_ALIAS
|
|
)
|
|
|
|
@unittest.skipUnless(has_sound("SystemExclamation"),
|
|
"No default SystemExclamation")
|
|
def test_alias_exclamation(self):
|
|
if _have_soundcard():
|
|
winsound.PlaySound('SystemExclamation', winsound.SND_ALIAS)
|
|
else:
|
|
self.assertRaises(
|
|
RuntimeError,
|
|
winsound.PlaySound,
|
|
'SystemExclamation', winsound.SND_ALIAS
|
|
)
|
|
|
|
@unittest.skipUnless(has_sound("SystemExit"), "No default SystemExit")
|
|
def test_alias_exit(self):
|
|
if _have_soundcard():
|
|
winsound.PlaySound('SystemExit', winsound.SND_ALIAS)
|
|
else:
|
|
self.assertRaises(
|
|
RuntimeError,
|
|
winsound.PlaySound,
|
|
'SystemExit', winsound.SND_ALIAS
|
|
)
|
|
|
|
@unittest.skipUnless(has_sound("SystemHand"), "No default SystemHand")
|
|
def test_alias_hand(self):
|
|
if _have_soundcard():
|
|
winsound.PlaySound('SystemHand', winsound.SND_ALIAS)
|
|
else:
|
|
self.assertRaises(
|
|
RuntimeError,
|
|
winsound.PlaySound,
|
|
'SystemHand', winsound.SND_ALIAS
|
|
)
|
|
|
|
@unittest.skipUnless(has_sound("SystemQuestion"),
|
|
"No default SystemQuestion")
|
|
def test_alias_question(self):
|
|
if _have_soundcard():
|
|
winsound.PlaySound('SystemQuestion', winsound.SND_ALIAS)
|
|
else:
|
|
self.assertRaises(
|
|
RuntimeError,
|
|
winsound.PlaySound,
|
|
'SystemQuestion', winsound.SND_ALIAS
|
|
)
|
|
|
|
def test_alias_fallback(self):
|
|
# This test can't be expected to work on all systems. The MS
|
|
# PlaySound() docs say:
|
|
#
|
|
# If it cannot find the specified sound, PlaySound uses the
|
|
# default system event sound entry instead. If the function
|
|
# can find neither the system default entry nor the default
|
|
# sound, it makes no sound and returns FALSE.
|
|
#
|
|
# It's known to return FALSE on some real systems.
|
|
|
|
# winsound.PlaySound('!"$%&/(#+*', winsound.SND_ALIAS)
|
|
return
|
|
|
|
def test_alias_nofallback(self):
|
|
if _have_soundcard():
|
|
# Note that this is not the same as asserting RuntimeError
|
|
# will get raised: you cannot convert this to
|
|
# self.assertRaises(...) form. The attempt may or may not
|
|
# raise RuntimeError, but it shouldn't raise anything other
|
|
# than RuntimeError, and that's all we're trying to test
|
|
# here. The MS docs aren't clear about whether the SDK
|
|
# PlaySound() with SND_ALIAS and SND_NODEFAULT will return
|
|
# True or False when the alias is unknown. On Tim's WinXP
|
|
# box today, it returns True (no exception is raised). What
|
|
# we'd really like to test is that no sound is played, but
|
|
# that requires first wiring an eardrum class into unittest
|
|
# <wink>.
|
|
try:
|
|
winsound.PlaySound(
|
|
'!"$%&/(#+*',
|
|
winsound.SND_ALIAS | winsound.SND_NODEFAULT
|
|
)
|
|
except RuntimeError:
|
|
pass
|
|
else:
|
|
self.assertRaises(
|
|
RuntimeError,
|
|
winsound.PlaySound,
|
|
'!"$%&/(#+*', winsound.SND_ALIAS | winsound.SND_NODEFAULT
|
|
)
|
|
|
|
def test_stopasync(self):
|
|
if _have_soundcard():
|
|
winsound.PlaySound(
|
|
'SystemQuestion',
|
|
winsound.SND_ALIAS | winsound.SND_ASYNC | winsound.SND_LOOP
|
|
)
|
|
time.sleep(0.5)
|
|
try:
|
|
winsound.PlaySound(
|
|
'SystemQuestion',
|
|
winsound.SND_ALIAS | winsound.SND_NOSTOP
|
|
)
|
|
except RuntimeError:
|
|
pass
|
|
else: # the first sound might already be finished
|
|
pass
|
|
winsound.PlaySound(None, winsound.SND_PURGE)
|
|
else:
|
|
# Issue 8367: PlaySound(None, winsound.SND_PURGE)
|
|
# does not raise on systems without a sound card.
|
|
pass
|
|
|
|
|
|
def _get_cscript_path():
|
|
"""Return the full path to cscript.exe or None."""
|
|
for dir in os.environ.get("PATH", "").split(os.pathsep):
|
|
cscript_path = os.path.join(dir, "cscript.exe")
|
|
if os.path.exists(cscript_path):
|
|
return cscript_path
|
|
|
|
__have_soundcard_cache = None
|
|
def _have_soundcard():
|
|
"""Return True iff this computer has a soundcard."""
|
|
global __have_soundcard_cache
|
|
if __have_soundcard_cache is None:
|
|
cscript_path = _get_cscript_path()
|
|
if cscript_path is None:
|
|
# Could not find cscript.exe to run our VBScript helper. Default
|
|
# to True: most computers these days *do* have a soundcard.
|
|
return True
|
|
|
|
check_script = os.path.join(os.path.dirname(__file__),
|
|
"check_soundcard.vbs")
|
|
p = subprocess.Popen([cscript_path, check_script],
|
|
stdout=subprocess.PIPE)
|
|
__have_soundcard_cache = not p.wait()
|
|
p.stdout.close()
|
|
return __have_soundcard_cache
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(BeepTest, MessageBeepTest, PlaySoundTest)
|
|
|
|
if __name__=="__main__":
|
|
test_main()
|