python-2.5.2/win32/Lib/test/test_winsound.py
changeset 0 ae805ac0140d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/test_winsound.py	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,209 @@
+# Ridiculously simple test of the winsound module for Windows.
+
+import unittest
+from test import test_support
+import winsound, time
+import os
+import subprocess
+
+
+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):
+        winsound.Beep(37, 75)
+        winsound.Beep(32767, 75)
+
+    def test_increasingfrequency(self):
+        for i in xrange(100, 2000, 100):
+            winsound.Beep(i, 75)
+
+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
+        )
+
+    def test_alias_asterisk(self):
+        if _have_soundcard():
+            winsound.PlaySound('SystemAsterisk', winsound.SND_ALIAS)
+        else:
+            self.assertRaises(
+                RuntimeError,
+                winsound.PlaySound,
+                'SystemAsterisk', winsound.SND_ALIAS
+            )
+
+    def test_alias_exclamation(self):
+        if _have_soundcard():
+            winsound.PlaySound('SystemExclamation', winsound.SND_ALIAS)
+        else:
+            self.assertRaises(
+                RuntimeError,
+                winsound.PlaySound,
+                'SystemExclamation', winsound.SND_ALIAS
+            )
+
+    def test_alias_exit(self):
+        if _have_soundcard():
+            winsound.PlaySound('SystemExit', winsound.SND_ALIAS)
+        else:
+            self.assertRaises(
+                RuntimeError,
+                winsound.PlaySound,
+                'SystemExit', winsound.SND_ALIAS
+            )
+
+    def test_alias_hand(self):
+        if _have_soundcard():
+            winsound.PlaySound('SystemHand', winsound.SND_ALIAS)
+        else:
+            self.assertRaises(
+                RuntimeError,
+                winsound.PlaySound,
+                'SystemHand', winsound.SND_ALIAS
+            )
+
+    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:
+            self.assertRaises(
+                RuntimeError,
+                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)
+
+if __name__=="__main__":
+    test_main()