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      1 # Ridiculously simple test of the winsound module for Windows.
      2 
      3 from __future__ import print_function
      4 
      5 import functools
      6 import os
      7 import subprocess
      8 import time
      9 import unittest
     10 
     11 from test import test_support as support
     12 
     13 support.requires('audio')
     14 winsound = support.import_module('winsound')
     15 
     16 # Unless we actually have an ear in the room, we have no idea whether a sound
     17 # actually plays, and it's incredibly flaky trying to figure out if a sound
     18 # even *should* play.  Instead of guessing, just call the function and assume
     19 # it either passed or raised the RuntimeError we expect in case of failure.
     20 def sound_func(func):
     21     @functools.wraps(func)
     22     def wrapper(*args, **kwargs):
     23         try:
     24             ret = func(*args, **kwargs)
     25         except RuntimeError as e:
     26             if support.verbose:
     27                 print(func.__name__, 'failed:', e)
     28         else:
     29             if support.verbose:
     30                 print(func.__name__, 'returned')
     31             return ret
     32     return wrapper
     33 
     34 safe_Beep = sound_func(winsound.Beep)
     35 safe_MessageBeep = sound_func(winsound.MessageBeep)
     36 safe_PlaySound = sound_func(winsound.PlaySound)
     37 
     38 class BeepTest(unittest.TestCase):
     39 
     40     def test_errors(self):
     41         self.assertRaises(TypeError, winsound.Beep)
     42         self.assertRaises(ValueError, winsound.Beep, 36, 75)
     43         self.assertRaises(ValueError, winsound.Beep, 32768, 75)
     44 
     45     def test_extremes(self):
     46         safe_Beep(37, 75)
     47         safe_Beep(32767, 75)
     48 
     49     def test_increasingfrequency(self):
     50         for i in xrange(100, 2000, 100):
     51             safe_Beep(i, 75)
     52 
     53 
     54 class MessageBeepTest(unittest.TestCase):
     55 
     56     def tearDown(self):
     57         time.sleep(0.5)
     58 
     59     def test_default(self):
     60         self.assertRaises(TypeError, winsound.MessageBeep, "bad")
     61         self.assertRaises(TypeError, winsound.MessageBeep, 42, 42)
     62         safe_MessageBeep()
     63 
     64     def test_ok(self):
     65         safe_MessageBeep(winsound.MB_OK)
     66 
     67     def test_asterisk(self):
     68         safe_MessageBeep(winsound.MB_ICONASTERISK)
     69 
     70     def test_exclamation(self):
     71         safe_MessageBeep(winsound.MB_ICONEXCLAMATION)
     72 
     73     def test_hand(self):
     74         safe_MessageBeep(winsound.MB_ICONHAND)
     75 
     76     def test_question(self):
     77         safe_MessageBeep(winsound.MB_ICONQUESTION)
     78 
     79 
     80 class PlaySoundTest(unittest.TestCase):
     81 
     82     def test_errors(self):
     83         self.assertRaises(TypeError, winsound.PlaySound)
     84         self.assertRaises(TypeError, winsound.PlaySound, "bad", "bad")
     85         self.assertRaises(
     86             RuntimeError,
     87             winsound.PlaySound,
     88             "none", winsound.SND_ASYNC | winsound.SND_MEMORY
     89         )
     90 
     91     def test_aliases(self):
     92         aliases = [
     93             "SystemAsterisk",
     94             "SystemExclamation",
     95             "SystemExit",
     96             "SystemHand",
     97             "SystemQuestion",
     98         ]
     99         for alias in aliases:
    100             safe_PlaySound(alias, winsound.SND_ALIAS)
    101 
    102     def test_alias_fallback(self):
    103         safe_PlaySound('!"$%&/(#+*', winsound.SND_ALIAS)
    104 
    105     def test_alias_nofallback(self):
    106         safe_PlaySound('!"$%&/(#+*', winsound.SND_ALIAS | winsound.SND_NODEFAULT)
    107 
    108     def test_stopasync(self):
    109         safe_PlaySound(
    110             'SystemQuestion',
    111             winsound.SND_ALIAS | winsound.SND_ASYNC | winsound.SND_LOOP
    112         )
    113         time.sleep(0.5)
    114         safe_PlaySound('SystemQuestion', winsound.SND_ALIAS | winsound.SND_NOSTOP)
    115         # Issue 8367: PlaySound(None, winsound.SND_PURGE)
    116         # does not raise on systems without a sound card.
    117         winsound.PlaySound(None, winsound.SND_PURGE)
    118 
    119 
    120 def test_main():
    121     support.run_unittest(BeepTest, MessageBeepTest, PlaySoundTest)
    122 
    123 
    124 if __name__=="__main__":
    125     test_main()
    126