[Python-checkins] r43079 - python/trunk/Lib/test/check_soundcard.vbs python/trunk/Lib/test/test_winsound.py
trent.mick
python-checkins at python.org
Thu Mar 16 18:34:42 CET 2006
Author: trent.mick
Date: Thu Mar 16 18:34:41 2006
New Revision: 43079
Added:
python/trunk/Lib/test/check_soundcard.vbs
Modified:
python/trunk/Lib/test/test_winsound.py
Log:
Update test_winsound to check for a configured sound card (using a VBScript
helper written by Roger Upole and Mark Hammond) and adjust the expected
PlaySoundTest case results accordingly.
Added: python/trunk/Lib/test/check_soundcard.vbs
==============================================================================
--- (empty file)
+++ python/trunk/Lib/test/check_soundcard.vbs Thu Mar 16 18:34:41 2006
@@ -0,0 +1,13 @@
+rem Check for a working sound-card - exit with 0 if OK, 1 otherwise.
+set wmi = GetObject("winmgmts:")
+set scs = wmi.InstancesOf("win32_sounddevice")
+for each sc in scs
+ set status = sc.Properties_("Status")
+ wscript.Echo(sc.Properties_("Name") + "/" + status)
+ if status = "OK" then
+ wscript.Quit 0 rem normal exit
+ end if
+next
+rem No sound card found - exit with status code of 1
+wscript.Quit 1
+
Modified: python/trunk/Lib/test/test_winsound.py
==============================================================================
--- python/trunk/Lib/test/test_winsound.py (original)
+++ python/trunk/Lib/test/test_winsound.py Thu Mar 16 18:34:41 2006
@@ -3,6 +3,9 @@
import unittest
from test import test_support
import winsound, time
+import os
+import subprocess
+
class BeepTest(unittest.TestCase):
@@ -44,6 +47,7 @@
def test_question(self):
winsound.MessageBeep(winsound.MB_ICONQUESTION)
+
class PlaySoundTest(unittest.TestCase):
def test_errors(self):
@@ -56,19 +60,54 @@
)
def test_alias_asterisk(self):
- winsound.PlaySound('SystemAsterisk', winsound.SND_ALIAS)
+ if _have_soundcard():
+ winsound.PlaySound('SystemAsterisk', winsound.SND_ALIAS)
+ else:
+ self.assertRaises(
+ RuntimeError,
+ winsound.PlaySound,
+ 'SystemAsterisk', winsound.SND_ALIAS
+ )
def test_alias_exclamation(self):
- winsound.PlaySound('SystemExclamation', winsound.SND_ALIAS)
+ if _have_soundcard():
+ winsound.PlaySound('SystemExclamation', winsound.SND_ALIAS)
+ else:
+ self.assertRaises(
+ RuntimeError,
+ winsound.PlaySound,
+ 'SystemExclamation', winsound.SND_ALIAS
+ )
def test_alias_exit(self):
- winsound.PlaySound('SystemExit', winsound.SND_ALIAS)
+ if _have_soundcard():
+ winsound.PlaySound('SystemExit', winsound.SND_ALIAS)
+ else:
+ self.assertRaises(
+ RuntimeError,
+ winsound.PlaySound,
+ 'SystemExit', winsound.SND_ALIAS
+ )
def test_alias_hand(self):
- winsound.PlaySound('SystemHand', winsound.SND_ALIAS)
+ if _have_soundcard():
+ winsound.PlaySound('SystemHand', winsound.SND_ALIAS)
+ else:
+ self.assertRaises(
+ RuntimeError,
+ winsound.PlaySound,
+ 'SystemHand', winsound.SND_ALIAS
+ )
def test_alias_question(self):
- winsound.PlaySound('SystemQuestion', winsound.SND_ALIAS)
+ 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
@@ -85,41 +124,83 @@
return
def test_alias_nofallback(self):
- # 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(
- '!"$%&/(#+*',
- winsound.SND_ALIAS | winsound.SND_NODEFAULT
+ if _have_soundcard():
+ # Note that this is not the same as asserting RuntimeError
+ # will get raised: you cannot convert this to
+ # self.assertRaises(...) form. The attempt may or may not
+ # raise RuntimeError, but it shouldn't raise anything other
+ # than RuntimeError, and that's all we're trying to test
+ # here. The MS docs aren't clear about whether the SDK
+ # PlaySound() with SND_ALIAS and SND_NODEFAULT will return
+ # True or False when the alias is unknown. On Tim's WinXP
+ # box today, it returns True (no exception is raised). What
+ # we'd really like to test is that no sound is played, but
+ # that requires first wiring an eardrum class into unittest
+ # <wink>.
+ try:
+ winsound.PlaySound(
+ '!"$%&/(#+*',
+ winsound.SND_ALIAS | winsound.SND_NODEFAULT
+ )
+ except RuntimeError:
+ pass
+ else:
+ self.assertRaises(
+ RuntimeError,
+ winsound.PlaySound,
+ '!"$%&/(#+*', winsound.SND_ALIAS | winsound.SND_NODEFAULT
)
- except RuntimeError:
- pass
def test_stopasync(self):
- winsound.PlaySound(
- 'SystemQuestion',
- winsound.SND_ALIAS | winsound.SND_ASYNC | winsound.SND_LOOP
- )
- time.sleep(0.5)
- try:
+ if _have_soundcard():
winsound.PlaySound(
'SystemQuestion',
- winsound.SND_ALIAS | winsound.SND_NOSTOP
+ 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:
+ self.assertRaises(
+ RuntimeError,
+ winsound.PlaySound,
+ None, winsound.SND_PURGE
)
- except RuntimeError:
- pass
- else: # the first sound might already be finished
- pass
- winsound.PlaySound(None, winsound.SND_PURGE)
+
+
+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()
+ return __have_soundcard_cache
+
def test_main():
test_support.run_unittest(BeepTest, MessageBeepTest, PlaySoundTest)
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