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Text File  |  2005-10-18  |  4KB  |  129 lines
  1. # Ridiculously simple test of the winsound module for Windows.
  2.  
  3. import unittest
  4. from test import test_support
  5. import winsound, time
  6.  
  7. class BeepTest(unittest.TestCase):
  8.  
  9.     def test_errors(self):
  10.         self.assertRaises(TypeError, winsound.Beep)
  11.         self.assertRaises(ValueError, winsound.Beep, 36, 75)
  12.         self.assertRaises(ValueError, winsound.Beep, 32768, 75)
  13.  
  14.     def test_extremes(self):
  15.         winsound.Beep(37, 75)
  16.         winsound.Beep(32767, 75)
  17.  
  18.     def test_increasingfrequency(self):
  19.         for i in xrange(100, 2000, 100):
  20.             winsound.Beep(i, 75)
  21.  
  22. class MessageBeepTest(unittest.TestCase):
  23.  
  24.     def tearDown(self):
  25.         time.sleep(0.5)
  26.  
  27.     def test_default(self):
  28.         self.assertRaises(TypeError, winsound.MessageBeep, "bad")
  29.         self.assertRaises(TypeError, winsound.MessageBeep, 42, 42)
  30.         winsound.MessageBeep()
  31.  
  32.     def test_ok(self):
  33.         winsound.MessageBeep(winsound.MB_OK)
  34.  
  35.     def test_asterisk(self):
  36.         winsound.MessageBeep(winsound.MB_ICONASTERISK)
  37.  
  38.     def test_exclamation(self):
  39.         winsound.MessageBeep(winsound.MB_ICONEXCLAMATION)
  40.  
  41.     def test_hand(self):
  42.         winsound.MessageBeep(winsound.MB_ICONHAND)
  43.  
  44.     def test_question(self):
  45.         winsound.MessageBeep(winsound.MB_ICONQUESTION)
  46.  
  47. class PlaySoundTest(unittest.TestCase):
  48.  
  49.     def test_errors(self):
  50.         self.assertRaises(TypeError, winsound.PlaySound)
  51.         self.assertRaises(TypeError, winsound.PlaySound, "bad", "bad")
  52.         self.assertRaises(
  53.             RuntimeError,
  54.             winsound.PlaySound,
  55.             "none", winsound.SND_ASYNC | winsound.SND_MEMORY
  56.         )
  57.  
  58.     def test_alias_asterisk(self):
  59.         winsound.PlaySound('SystemAsterisk', winsound.SND_ALIAS)
  60.  
  61.     def test_alias_exclamation(self):
  62.         winsound.PlaySound('SystemExclamation', winsound.SND_ALIAS)
  63.  
  64.     def test_alias_exit(self):
  65.         winsound.PlaySound('SystemExit', winsound.SND_ALIAS)
  66.  
  67.     def test_alias_hand(self):
  68.         winsound.PlaySound('SystemHand', winsound.SND_ALIAS)
  69.  
  70.     def test_alias_question(self):
  71.         winsound.PlaySound('SystemQuestion', winsound.SND_ALIAS)
  72.  
  73.     def test_alias_fallback(self):
  74.         # This test can't be expected to work on all systems.  The MS
  75.         # PlaySound() docs say:
  76.         #
  77.         #     If it cannot find the specified sound, PlaySound uses the
  78.         #     default system event sound entry instead.  If the function
  79.         #     can find neither the system default entry nor the default
  80.         #     sound, it makes no sound and returns FALSE.
  81.         #
  82.         # It's known to return FALSE on some real systems.
  83.  
  84.         # winsound.PlaySound('!"$%&/(#+*', winsound.SND_ALIAS)
  85.         return
  86.  
  87.     def test_alias_nofallback(self):
  88.         # Note that this is not the same as asserting RuntimeError
  89.         # will get raised:  you cannot convert this to
  90.         # self.assertRaises(...) form.  The attempt may or may not
  91.         # raise RuntimeError, but it shouldn't raise anything other
  92.         # than RuntimeError, and that's all we're trying to test here.
  93.         # The MS docs aren't clear about whether the SDK PlaySound()
  94.         # with SND_ALIAS and SND_NODEFAULT will return True or False when
  95.         # the alias is unknown.  On Tim's WinXP box today, it returns
  96.         # True (no exception is raised).  What we'd really like to test
  97.         # is that no sound is played, but that requires first wiring an
  98.         # eardrum class into unittest <wink>.
  99.         try:
  100.             winsound.PlaySound(
  101.                 '!"$%&/(#+*',
  102.                 winsound.SND_ALIAS | winsound.SND_NODEFAULT
  103.             )
  104.         except RuntimeError:
  105.             pass
  106.  
  107.     def test_stopasync(self):
  108.         winsound.PlaySound(
  109.             'SystemQuestion',
  110.             winsound.SND_ALIAS | winsound.SND_ASYNC | winsound.SND_LOOP
  111.         )
  112.         time.sleep(0.5)
  113.         try:
  114.             winsound.PlaySound(
  115.                 'SystemQuestion',
  116.                 winsound.SND_ALIAS | winsound.SND_NOSTOP
  117.             )
  118.         except RuntimeError:
  119.             pass
  120.         else: # the first sound might already be finished
  121.             pass
  122.         winsound.PlaySound(None, winsound.SND_PURGE)
  123.  
  124. def test_main():
  125.     test_support.run_unittest(BeepTest, MessageBeepTest, PlaySoundTest)
  126.  
  127. if __name__=="__main__":
  128.     test_main()
  129.