1194 lines
43 KiB
Python
1194 lines
43 KiB
Python
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import sys
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import os
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import unittest
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import pathlib
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import platform
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from pygame.tests.test_utils import example_path
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import pygame
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from pygame import mixer
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IS_PYPY = "PyPy" == platform.python_implementation()
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################################### CONSTANTS ##################################
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FREQUENCIES = [11025, 22050, 44100, 48000]
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SIZES = [-16, -8, 8, 16] # fixme
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# size 32 failed in test_get_init__returns_exact_values_used_for_init
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CHANNELS = [1, 2]
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BUFFERS = [3024]
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CONFIGS = [
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{"frequency": f, "size": s, "channels": c}
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for f in FREQUENCIES
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for s in SIZES
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for c in CHANNELS
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]
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# Using all CONFIGS fails on a Mac; probably older SDL_mixer; we could do:
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# if platform.system() == 'Darwin':
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# But using all CONFIGS is very slow (> 10 sec for example)
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# And probably, we don't need to be so exhaustive, hence:
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CONFIG = {"frequency": 44100, "size": 32, "channels": 2, "allowedchanges": 0}
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class InvalidBool:
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"""To help test invalid bool values."""
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__bool__ = None
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############################## MODULE LEVEL TESTS #############################
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class MixerModuleTest(unittest.TestCase):
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def tearDown(self):
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mixer.quit()
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mixer.pre_init(0, 0, 0, 0)
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def test_init__keyword_args(self):
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# note: this test used to loop over all CONFIGS, but it's very slow..
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mixer.init(**CONFIG)
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mixer_conf = mixer.get_init()
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self.assertEqual(mixer_conf[0], CONFIG["frequency"])
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# Not all "sizes" are supported on all systems, hence "abs".
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self.assertEqual(abs(mixer_conf[1]), abs(CONFIG["size"]))
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self.assertGreaterEqual(mixer_conf[2], CONFIG["channels"])
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def test_pre_init__keyword_args(self):
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# note: this test used to loop over all CONFIGS, but it's very slow..
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mixer.pre_init(**CONFIG)
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mixer.init()
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mixer_conf = mixer.get_init()
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self.assertEqual(mixer_conf[0], CONFIG["frequency"])
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# Not all "sizes" are supported on all systems, hence "abs".
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self.assertEqual(abs(mixer_conf[1]), abs(CONFIG["size"]))
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self.assertGreaterEqual(mixer_conf[2], CONFIG["channels"])
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def test_pre_init__zero_values(self):
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# Ensure that argument values of 0 are replaced with
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# default values. No way to check buffer size though.
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mixer.pre_init(22050, -8, 1) # Non default values
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mixer.pre_init(0, 0, 0) # Should reset to default values
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mixer.init(allowedchanges=0)
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self.assertEqual(mixer.get_init()[0], 44100)
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self.assertEqual(mixer.get_init()[1], -16)
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self.assertGreaterEqual(mixer.get_init()[2], 2)
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def test_init__zero_values(self):
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# Ensure that argument values of 0 are replaced with
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# preset values. No way to check buffer size though.
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mixer.pre_init(44100, 8, 1, allowedchanges=0) # None default values
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mixer.init(0, 0, 0)
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self.assertEqual(mixer.get_init(), (44100, 8, 1))
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def test_get_init__returns_exact_values_used_for_init(self):
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# TODO: size 32 fails in this test (maybe SDL_mixer bug)
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for init_conf in CONFIGS:
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frequency, size, channels = init_conf.values()
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if (frequency, size) == (22050, 16):
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continue
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mixer.init(frequency, size, channels)
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mixer_conf = mixer.get_init()
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self.assertEqual(tuple(init_conf.values()), mixer_conf)
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mixer.quit()
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def test_get_init__returns_None_if_mixer_not_initialized(self):
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self.assertIsNone(mixer.get_init())
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def test_get_num_channels__defaults_eight_after_init(self):
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mixer.init()
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self.assertEqual(mixer.get_num_channels(), 8)
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def test_set_num_channels(self):
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mixer.init()
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default_num_channels = mixer.get_num_channels()
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for i in range(1, default_num_channels + 1):
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mixer.set_num_channels(i)
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self.assertEqual(mixer.get_num_channels(), i)
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def test_quit(self):
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"""get_num_channels() Should throw pygame.error if uninitialized
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after mixer.quit()"""
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mixer.init()
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mixer.quit()
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self.assertRaises(pygame.error, mixer.get_num_channels)
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# TODO: FIXME: appveyor and pypy (on linux) fails here sometimes.
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@unittest.skipIf(sys.platform.startswith("win"), "See github issue 892.")
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@unittest.skipIf(IS_PYPY, "random errors here with pypy")
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def test_sound_args(self):
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def get_bytes(snd):
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return snd.get_raw()
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mixer.init()
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sample = b"\x00\xff" * 24
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wave_path = example_path(os.path.join("data", "house_lo.wav"))
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uwave_path = str(wave_path)
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bwave_path = uwave_path.encode(sys.getfilesystemencoding())
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snd = mixer.Sound(file=wave_path)
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self.assertTrue(snd.get_length() > 0.5)
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snd_bytes = get_bytes(snd)
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self.assertTrue(len(snd_bytes) > 1000)
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self.assertEqual(get_bytes(mixer.Sound(wave_path)), snd_bytes)
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self.assertEqual(get_bytes(mixer.Sound(file=uwave_path)), snd_bytes)
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self.assertEqual(get_bytes(mixer.Sound(uwave_path)), snd_bytes)
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arg_emsg = "Sound takes either 1 positional or 1 keyword argument"
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with self.assertRaises(TypeError) as cm:
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mixer.Sound()
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self.assertEqual(str(cm.exception), arg_emsg)
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with self.assertRaises(TypeError) as cm:
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mixer.Sound(wave_path, buffer=sample)
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self.assertEqual(str(cm.exception), arg_emsg)
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with self.assertRaises(TypeError) as cm:
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mixer.Sound(sample, file=wave_path)
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self.assertEqual(str(cm.exception), arg_emsg)
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with self.assertRaises(TypeError) as cm:
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mixer.Sound(buffer=sample, file=wave_path)
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self.assertEqual(str(cm.exception), arg_emsg)
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with self.assertRaises(TypeError) as cm:
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mixer.Sound(foobar=sample)
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self.assertEqual(str(cm.exception), "Unrecognized keyword argument 'foobar'")
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snd = mixer.Sound(wave_path, **{})
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self.assertEqual(get_bytes(snd), snd_bytes)
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snd = mixer.Sound(*[], **{"file": wave_path})
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with self.assertRaises(TypeError) as cm:
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mixer.Sound([])
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self.assertEqual(str(cm.exception), "Unrecognized argument (type list)")
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with self.assertRaises(TypeError) as cm:
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snd = mixer.Sound(buffer=[])
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emsg = "Expected object with buffer interface: got a list"
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self.assertEqual(str(cm.exception), emsg)
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ufake_path = "12345678"
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self.assertRaises(IOError, mixer.Sound, ufake_path)
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self.assertRaises(IOError, mixer.Sound, "12345678")
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with self.assertRaises(TypeError) as cm:
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mixer.Sound(buffer="something")
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emsg = "Unicode object not allowed as buffer object"
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self.assertEqual(str(cm.exception), emsg)
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self.assertEqual(get_bytes(mixer.Sound(buffer=sample)), sample)
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if type(sample) != str:
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somebytes = get_bytes(mixer.Sound(sample))
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# on python 2 we do not allow using string except as file name.
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self.assertEqual(somebytes, sample)
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self.assertEqual(get_bytes(mixer.Sound(file=bwave_path)), snd_bytes)
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self.assertEqual(get_bytes(mixer.Sound(bwave_path)), snd_bytes)
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snd = mixer.Sound(wave_path)
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with self.assertRaises(TypeError) as cm:
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mixer.Sound(wave_path, array=snd)
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self.assertEqual(str(cm.exception), arg_emsg)
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with self.assertRaises(TypeError) as cm:
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mixer.Sound(buffer=sample, array=snd)
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self.assertEqual(str(cm.exception), arg_emsg)
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snd2 = mixer.Sound(array=snd)
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self.assertEqual(snd.get_raw(), snd2.get_raw())
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def test_sound_unicode(self):
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"""test non-ASCII unicode path"""
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mixer.init()
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import shutil
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ep = example_path("data")
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temp_file = os.path.join(ep, "你好.wav")
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org_file = os.path.join(ep, "house_lo.wav")
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shutil.copy(org_file, temp_file)
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try:
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with open(temp_file, "rb") as f:
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pass
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except OSError:
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raise unittest.SkipTest("the path cannot be opened")
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try:
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sound = mixer.Sound(temp_file)
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del sound
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finally:
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os.remove(temp_file)
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@unittest.skipIf(
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os.environ.get("SDL_AUDIODRIVER") == "disk",
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"this test fails without real sound card",
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)
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def test_array_keyword(self):
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try:
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from numpy import (
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array,
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arange,
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zeros,
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int8,
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uint8,
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int16,
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uint16,
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int32,
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uint32,
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)
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except ImportError:
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self.skipTest("requires numpy")
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freq = 22050
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format_list = [-8, 8, -16, 16]
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channels_list = [1, 2]
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a_lists = {f: [] for f in format_list}
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a32u_mono = arange(0, 256, 1, uint32)
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a16u_mono = a32u_mono.astype(uint16)
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a8u_mono = a32u_mono.astype(uint8)
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au_list_mono = [(1, a) for a in [a8u_mono, a16u_mono, a32u_mono]]
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for format in format_list:
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if format > 0:
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a_lists[format].extend(au_list_mono)
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a32s_mono = arange(-128, 128, 1, int32)
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a16s_mono = a32s_mono.astype(int16)
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a8s_mono = a32s_mono.astype(int8)
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as_list_mono = [(1, a) for a in [a8s_mono, a16s_mono, a32s_mono]]
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for format in format_list:
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if format < 0:
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a_lists[format].extend(as_list_mono)
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a32u_stereo = zeros([a32u_mono.shape[0], 2], uint32)
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a32u_stereo[:, 0] = a32u_mono
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a32u_stereo[:, 1] = 255 - a32u_mono
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a16u_stereo = a32u_stereo.astype(uint16)
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a8u_stereo = a32u_stereo.astype(uint8)
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au_list_stereo = [(2, a) for a in [a8u_stereo, a16u_stereo, a32u_stereo]]
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for format in format_list:
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if format > 0:
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a_lists[format].extend(au_list_stereo)
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a32s_stereo = zeros([a32s_mono.shape[0], 2], int32)
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a32s_stereo[:, 0] = a32s_mono
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a32s_stereo[:, 1] = -1 - a32s_mono
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a16s_stereo = a32s_stereo.astype(int16)
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a8s_stereo = a32s_stereo.astype(int8)
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as_list_stereo = [(2, a) for a in [a8s_stereo, a16s_stereo, a32s_stereo]]
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for format in format_list:
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if format < 0:
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a_lists[format].extend(as_list_stereo)
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for format in format_list:
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for channels in channels_list:
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try:
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mixer.init(freq, format, channels)
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except pygame.error:
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# Some formats (e.g. 16) may not be supported.
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continue
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try:
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__, f, c = mixer.get_init()
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if f != format or c != channels:
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# Some formats (e.g. -8) may not be supported.
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continue
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for c, a in a_lists[format]:
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self._test_array_argument(format, a, c == channels)
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finally:
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mixer.quit()
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def _test_array_argument(self, format, a, test_pass):
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from numpy import array, all as all_
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try:
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snd = mixer.Sound(array=a)
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except ValueError:
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if not test_pass:
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return
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self.fail("Raised ValueError: Format %i, dtype %s" % (format, a.dtype))
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if not test_pass:
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self.fail(
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"Did not raise ValueError: Format %i, dtype %s" % (format, a.dtype)
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)
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a2 = array(snd)
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a3 = a.astype(a2.dtype)
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lshift = abs(format) - 8 * a.itemsize
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if lshift >= 0:
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# This is asymmetric with respect to downcasting.
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a3 <<= lshift
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self.assertTrue(all_(a2 == a3), "Format %i, dtype %s" % (format, a.dtype))
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def _test_array_interface_fail(self, a):
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self.assertRaises(ValueError, mixer.Sound, array=a)
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def test_array_interface(self):
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mixer.init(22050, -16, 1, allowedchanges=0)
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snd = mixer.Sound(buffer=b"\x00\x7f" * 20)
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d = snd.__array_interface__
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self.assertTrue(isinstance(d, dict))
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if pygame.get_sdl_byteorder() == pygame.LIL_ENDIAN:
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typestr = "<i2"
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else:
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typestr = ">i2"
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self.assertEqual(d["typestr"], typestr)
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self.assertEqual(d["shape"], (20,))
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self.assertEqual(d["strides"], (2,))
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self.assertEqual(d["data"], (snd._samples_address, False))
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||
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@unittest.skipIf(not pygame.HAVE_NEWBUF, "newbuf not implemented")
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@unittest.skipIf(IS_PYPY, "pypy no likey")
|
||
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def test_newbuf__one_channel(self):
|
||
|
|
mixer.init(22050, -16, 1)
|
||
|
|
self._NEWBUF_export_check()
|
||
|
|
|
||
|
|
@unittest.skipIf(not pygame.HAVE_NEWBUF, "newbuf not implemented")
|
||
|
|
@unittest.skipIf(IS_PYPY, "pypy no likey")
|
||
|
|
def test_newbuf__twho_channel(self):
|
||
|
|
mixer.init(22050, -16, 2)
|
||
|
|
self._NEWBUF_export_check()
|
||
|
|
|
||
|
|
def _NEWBUF_export_check(self):
|
||
|
|
freq, fmt, channels = mixer.get_init()
|
||
|
|
ndim = 1 if (channels == 1) else 2
|
||
|
|
itemsize = abs(fmt) // 8
|
||
|
|
formats = {
|
||
|
|
8: "B",
|
||
|
|
-8: "b",
|
||
|
|
16: "=H",
|
||
|
|
-16: "=h",
|
||
|
|
32: "=I",
|
||
|
|
-32: "=i", # 32 and 64 for future consideration
|
||
|
|
64: "=Q",
|
||
|
|
-64: "=q",
|
||
|
|
}
|
||
|
|
format = formats[fmt]
|
||
|
|
from pygame.tests.test_utils import buftools
|
||
|
|
|
||
|
|
Exporter = buftools.Exporter
|
||
|
|
Importer = buftools.Importer
|
||
|
|
is_lil_endian = pygame.get_sdl_byteorder() == pygame.LIL_ENDIAN
|
||
|
|
fsys, frev = ("<", ">") if is_lil_endian else (">", "<")
|
||
|
|
shape = (10, channels)[:ndim]
|
||
|
|
strides = (channels * itemsize, itemsize)[2 - ndim :]
|
||
|
|
exp = Exporter(shape, format=frev + "i")
|
||
|
|
snd = mixer.Sound(array=exp)
|
||
|
|
buflen = len(exp) * itemsize * channels
|
||
|
|
imp = Importer(snd, buftools.PyBUF_SIMPLE)
|
||
|
|
self.assertEqual(imp.ndim, 0)
|
||
|
|
self.assertTrue(imp.format is None)
|
||
|
|
self.assertEqual(imp.len, buflen)
|
||
|
|
self.assertEqual(imp.itemsize, itemsize)
|
||
|
|
self.assertTrue(imp.shape is None)
|
||
|
|
self.assertTrue(imp.strides is None)
|
||
|
|
self.assertTrue(imp.suboffsets is None)
|
||
|
|
self.assertFalse(imp.readonly)
|
||
|
|
self.assertEqual(imp.buf, snd._samples_address)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_WRITABLE)
|
||
|
|
self.assertEqual(imp.ndim, 0)
|
||
|
|
self.assertTrue(imp.format is None)
|
||
|
|
self.assertEqual(imp.len, buflen)
|
||
|
|
self.assertEqual(imp.itemsize, itemsize)
|
||
|
|
self.assertTrue(imp.shape is None)
|
||
|
|
self.assertTrue(imp.strides is None)
|
||
|
|
self.assertTrue(imp.suboffsets is None)
|
||
|
|
self.assertFalse(imp.readonly)
|
||
|
|
self.assertEqual(imp.buf, snd._samples_address)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_FORMAT)
|
||
|
|
self.assertEqual(imp.ndim, 0)
|
||
|
|
self.assertEqual(imp.format, format)
|
||
|
|
self.assertEqual(imp.len, buflen)
|
||
|
|
self.assertEqual(imp.itemsize, itemsize)
|
||
|
|
self.assertTrue(imp.shape is None)
|
||
|
|
self.assertTrue(imp.strides is None)
|
||
|
|
self.assertTrue(imp.suboffsets is None)
|
||
|
|
self.assertFalse(imp.readonly)
|
||
|
|
self.assertEqual(imp.buf, snd._samples_address)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_ND)
|
||
|
|
self.assertEqual(imp.ndim, ndim)
|
||
|
|
self.assertTrue(imp.format is None)
|
||
|
|
self.assertEqual(imp.len, buflen)
|
||
|
|
self.assertEqual(imp.itemsize, itemsize)
|
||
|
|
self.assertEqual(imp.shape, shape)
|
||
|
|
self.assertTrue(imp.strides is None)
|
||
|
|
self.assertTrue(imp.suboffsets is None)
|
||
|
|
self.assertFalse(imp.readonly)
|
||
|
|
self.assertEqual(imp.buf, snd._samples_address)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_STRIDES)
|
||
|
|
self.assertEqual(imp.ndim, ndim)
|
||
|
|
self.assertTrue(imp.format is None)
|
||
|
|
self.assertEqual(imp.len, buflen)
|
||
|
|
self.assertEqual(imp.itemsize, itemsize)
|
||
|
|
self.assertEqual(imp.shape, shape)
|
||
|
|
self.assertEqual(imp.strides, strides)
|
||
|
|
self.assertTrue(imp.suboffsets is None)
|
||
|
|
self.assertFalse(imp.readonly)
|
||
|
|
self.assertEqual(imp.buf, snd._samples_address)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_FULL_RO)
|
||
|
|
self.assertEqual(imp.ndim, ndim)
|
||
|
|
self.assertEqual(imp.format, format)
|
||
|
|
self.assertEqual(imp.len, buflen)
|
||
|
|
self.assertEqual(imp.itemsize, 2)
|
||
|
|
self.assertEqual(imp.shape, shape)
|
||
|
|
self.assertEqual(imp.strides, strides)
|
||
|
|
self.assertTrue(imp.suboffsets is None)
|
||
|
|
self.assertFalse(imp.readonly)
|
||
|
|
self.assertEqual(imp.buf, snd._samples_address)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_FULL_RO)
|
||
|
|
self.assertEqual(imp.ndim, ndim)
|
||
|
|
self.assertEqual(imp.format, format)
|
||
|
|
self.assertEqual(imp.len, buflen)
|
||
|
|
self.assertEqual(imp.itemsize, itemsize)
|
||
|
|
self.assertEqual(imp.shape, exp.shape)
|
||
|
|
self.assertEqual(imp.strides, strides)
|
||
|
|
self.assertTrue(imp.suboffsets is None)
|
||
|
|
self.assertFalse(imp.readonly)
|
||
|
|
self.assertEqual(imp.buf, snd._samples_address)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_C_CONTIGUOUS)
|
||
|
|
self.assertEqual(imp.ndim, ndim)
|
||
|
|
self.assertTrue(imp.format is None)
|
||
|
|
self.assertEqual(imp.strides, strides)
|
||
|
|
imp = Importer(snd, buftools.PyBUF_ANY_CONTIGUOUS)
|
||
|
|
self.assertEqual(imp.ndim, ndim)
|
||
|
|
self.assertTrue(imp.format is None)
|
||
|
|
self.assertEqual(imp.strides, strides)
|
||
|
|
if ndim == 1:
|
||
|
|
imp = Importer(snd, buftools.PyBUF_F_CONTIGUOUS)
|
||
|
|
self.assertEqual(imp.ndim, 1)
|
||
|
|
self.assertTrue(imp.format is None)
|
||
|
|
self.assertEqual(imp.strides, strides)
|
||
|
|
else:
|
||
|
|
self.assertRaises(BufferError, Importer, snd, buftools.PyBUF_F_CONTIGUOUS)
|
||
|
|
|
||
|
|
def todo_test_fadeout(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.fadeout:
|
||
|
|
|
||
|
|
# pygame.mixer.fadeout(time): return None
|
||
|
|
# fade out the volume on all sounds before stopping
|
||
|
|
#
|
||
|
|
# This will fade out the volume on all active channels over the time
|
||
|
|
# argument in milliseconds. After the sound is muted the playback will
|
||
|
|
# stop.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def test_find_channel(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.find_channel:
|
||
|
|
|
||
|
|
# pygame.mixer.find_channel(force=False): return Channel
|
||
|
|
# find an unused channel
|
||
|
|
mixer.init()
|
||
|
|
|
||
|
|
filename = example_path(os.path.join("data", "house_lo.wav"))
|
||
|
|
sound = mixer.Sound(file=filename)
|
||
|
|
|
||
|
|
num_channels = mixer.get_num_channels()
|
||
|
|
|
||
|
|
if num_channels > 0:
|
||
|
|
found_channel = mixer.find_channel()
|
||
|
|
self.assertIsNotNone(found_channel)
|
||
|
|
|
||
|
|
# try playing on all channels
|
||
|
|
channels = []
|
||
|
|
for channel_id in range(0, num_channels):
|
||
|
|
channel = mixer.Channel(channel_id)
|
||
|
|
channel.play(sound)
|
||
|
|
channels.append(channel)
|
||
|
|
|
||
|
|
# should fail without being forceful
|
||
|
|
found_channel = mixer.find_channel()
|
||
|
|
self.assertIsNone(found_channel)
|
||
|
|
|
||
|
|
# try forcing without keyword
|
||
|
|
found_channel = mixer.find_channel(True)
|
||
|
|
self.assertIsNotNone(found_channel)
|
||
|
|
|
||
|
|
# try forcing with keyword
|
||
|
|
found_channel = mixer.find_channel(force=True)
|
||
|
|
self.assertIsNotNone(found_channel)
|
||
|
|
|
||
|
|
for channel in channels:
|
||
|
|
channel.stop()
|
||
|
|
found_channel = mixer.find_channel()
|
||
|
|
self.assertIsNotNone(found_channel)
|
||
|
|
|
||
|
|
def todo_test_get_busy(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.get_busy:
|
||
|
|
|
||
|
|
# pygame.mixer.get_busy(): return bool
|
||
|
|
# test if any sound is being mixed
|
||
|
|
#
|
||
|
|
# Returns True if the mixer is busy mixing any channels. If the mixer
|
||
|
|
# is idle then this return False.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_pause(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.pause:
|
||
|
|
|
||
|
|
# pygame.mixer.pause(): return None
|
||
|
|
# temporarily stop playback of all sound channels
|
||
|
|
#
|
||
|
|
# This will temporarily stop all playback on the active mixer
|
||
|
|
# channels. The playback can later be resumed with
|
||
|
|
# pygame.mixer.unpause()
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def test_set_reserved(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.set_reserved:
|
||
|
|
|
||
|
|
# pygame.mixer.set_reserved(count): return count
|
||
|
|
mixer.init()
|
||
|
|
default_num_channels = mixer.get_num_channels()
|
||
|
|
|
||
|
|
# try reserving all the channels
|
||
|
|
result = mixer.set_reserved(default_num_channels)
|
||
|
|
self.assertEqual(result, default_num_channels)
|
||
|
|
|
||
|
|
# try reserving all the channels + 1
|
||
|
|
result = mixer.set_reserved(default_num_channels + 1)
|
||
|
|
# should still be default
|
||
|
|
self.assertEqual(result, default_num_channels)
|
||
|
|
|
||
|
|
# try unreserving all
|
||
|
|
result = mixer.set_reserved(0)
|
||
|
|
# should still be default
|
||
|
|
self.assertEqual(result, 0)
|
||
|
|
|
||
|
|
# try reserving half
|
||
|
|
result = mixer.set_reserved(int(default_num_channels / 2))
|
||
|
|
# should still be default
|
||
|
|
self.assertEqual(result, int(default_num_channels / 2))
|
||
|
|
|
||
|
|
def todo_test_stop(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.stop:
|
||
|
|
|
||
|
|
# pygame.mixer.stop(): return None
|
||
|
|
# stop playback of all sound channels
|
||
|
|
#
|
||
|
|
# This will stop all playback of all active mixer channels.
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_unpause(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.unpause:
|
||
|
|
|
||
|
|
# pygame.mixer.unpause(): return None
|
||
|
|
# resume paused playback of sound channels
|
||
|
|
#
|
||
|
|
# This will resume all active sound channels after they have been paused.
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def test_get_sdl_mixer_version(self):
|
||
|
|
"""Ensures get_sdl_mixer_version works correctly with no args."""
|
||
|
|
expected_length = 3
|
||
|
|
expected_type = tuple
|
||
|
|
expected_item_type = int
|
||
|
|
|
||
|
|
version = pygame.mixer.get_sdl_mixer_version()
|
||
|
|
|
||
|
|
self.assertIsInstance(version, expected_type)
|
||
|
|
self.assertEqual(len(version), expected_length)
|
||
|
|
|
||
|
|
for item in version:
|
||
|
|
self.assertIsInstance(item, expected_item_type)
|
||
|
|
|
||
|
|
def test_get_sdl_mixer_version__args(self):
|
||
|
|
"""Ensures get_sdl_mixer_version works correctly using args."""
|
||
|
|
expected_length = 3
|
||
|
|
expected_type = tuple
|
||
|
|
expected_item_type = int
|
||
|
|
|
||
|
|
for value in (True, False):
|
||
|
|
version = pygame.mixer.get_sdl_mixer_version(value)
|
||
|
|
|
||
|
|
self.assertIsInstance(version, expected_type)
|
||
|
|
self.assertEqual(len(version), expected_length)
|
||
|
|
|
||
|
|
for item in version:
|
||
|
|
self.assertIsInstance(item, expected_item_type)
|
||
|
|
|
||
|
|
def test_get_sdl_mixer_version__kwargs(self):
|
||
|
|
"""Ensures get_sdl_mixer_version works correctly using kwargs."""
|
||
|
|
expected_length = 3
|
||
|
|
expected_type = tuple
|
||
|
|
expected_item_type = int
|
||
|
|
|
||
|
|
for value in (True, False):
|
||
|
|
version = pygame.mixer.get_sdl_mixer_version(linked=value)
|
||
|
|
|
||
|
|
self.assertIsInstance(version, expected_type)
|
||
|
|
self.assertEqual(len(version), expected_length)
|
||
|
|
|
||
|
|
for item in version:
|
||
|
|
self.assertIsInstance(item, expected_item_type)
|
||
|
|
|
||
|
|
def test_get_sdl_mixer_version__invalid_args_kwargs(self):
|
||
|
|
"""Ensures get_sdl_mixer_version handles invalid args and kwargs."""
|
||
|
|
invalid_bool = InvalidBool()
|
||
|
|
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
version = pygame.mixer.get_sdl_mixer_version(invalid_bool)
|
||
|
|
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
version = pygame.mixer.get_sdl_mixer_version(linked=invalid_bool)
|
||
|
|
|
||
|
|
def test_get_sdl_mixer_version__linked_equals_compiled(self):
|
||
|
|
"""Ensures get_sdl_mixer_version's linked/compiled versions are equal."""
|
||
|
|
linked_version = pygame.mixer.get_sdl_mixer_version(linked=True)
|
||
|
|
complied_version = pygame.mixer.get_sdl_mixer_version(linked=False)
|
||
|
|
|
||
|
|
self.assertTupleEqual(linked_version, complied_version)
|
||
|
|
|
||
|
|
|
||
|
|
############################## CHANNEL CLASS TESTS #############################
|
||
|
|
|
||
|
|
|
||
|
|
class ChannelTypeTest(unittest.TestCase):
|
||
|
|
@classmethod
|
||
|
|
def setUpClass(cls):
|
||
|
|
# Initializing the mixer is slow, so minimize the times it is called.
|
||
|
|
mixer.init()
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def tearDownClass(cls):
|
||
|
|
mixer.quit()
|
||
|
|
|
||
|
|
def setUp(cls):
|
||
|
|
# This makes sure the mixer is always initialized before each test (in
|
||
|
|
# case a test calls pygame.mixer.quit()).
|
||
|
|
if mixer.get_init() is None:
|
||
|
|
mixer.init()
|
||
|
|
|
||
|
|
def test_channel(self):
|
||
|
|
"""Ensure Channel() creation works."""
|
||
|
|
channel = mixer.Channel(0)
|
||
|
|
|
||
|
|
self.assertIsInstance(channel, mixer.ChannelType)
|
||
|
|
self.assertEqual(channel.__class__.__name__, "Channel")
|
||
|
|
|
||
|
|
def test_channel__without_arg(self):
|
||
|
|
"""Ensure exception for Channel() creation with no argument."""
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
mixer.Channel()
|
||
|
|
|
||
|
|
def test_channel__invalid_id(self):
|
||
|
|
"""Ensure exception for Channel() creation with an invalid id."""
|
||
|
|
with self.assertRaises(IndexError):
|
||
|
|
mixer.Channel(-1)
|
||
|
|
|
||
|
|
def test_channel__before_init(self):
|
||
|
|
"""Ensure exception for Channel() creation with non-init mixer."""
|
||
|
|
mixer.quit()
|
||
|
|
|
||
|
|
with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
|
||
|
|
mixer.Channel(0)
|
||
|
|
|
||
|
|
def todo_test_fadeout(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.fadeout:
|
||
|
|
|
||
|
|
# Channel.fadeout(time): return None
|
||
|
|
# stop playback after fading channel out
|
||
|
|
#
|
||
|
|
# Stop playback of a channel after fading out the sound over the given
|
||
|
|
# time argument in milliseconds.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def test_get_busy(self):
|
||
|
|
"""Ensure an idle channel's busy state is correct."""
|
||
|
|
expected_busy = False
|
||
|
|
channel = mixer.Channel(0)
|
||
|
|
|
||
|
|
busy = channel.get_busy()
|
||
|
|
|
||
|
|
self.assertEqual(busy, expected_busy)
|
||
|
|
|
||
|
|
def todo_test_get_busy__active(self):
|
||
|
|
"""Ensure an active channel's busy state is correct."""
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_get_endevent(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.get_endevent:
|
||
|
|
|
||
|
|
# Channel.get_endevent(): return type
|
||
|
|
# get the event a channel sends when playback stops
|
||
|
|
#
|
||
|
|
# Returns the event type to be sent every time the Channel finishes
|
||
|
|
# playback of a Sound. If there is no endevent the function returns
|
||
|
|
# pygame.NOEVENT.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_get_queue(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.get_queue:
|
||
|
|
|
||
|
|
# Channel.get_queue(): return Sound
|
||
|
|
# return any Sound that is queued
|
||
|
|
#
|
||
|
|
# If a Sound is already queued on this channel it will be returned.
|
||
|
|
# Once the queued sound begins playback it will no longer be on the
|
||
|
|
# queue.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_get_sound(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.get_sound:
|
||
|
|
|
||
|
|
# Channel.get_sound(): return Sound
|
||
|
|
# get the currently playing Sound
|
||
|
|
#
|
||
|
|
# Return the actual Sound object currently playing on this channel. If
|
||
|
|
# the channel is idle None is returned.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def test_get_volume(self):
|
||
|
|
"""Ensure a channel's volume can be retrieved."""
|
||
|
|
expected_volume = 1.0 # default
|
||
|
|
channel = mixer.Channel(0)
|
||
|
|
|
||
|
|
volume = channel.get_volume()
|
||
|
|
|
||
|
|
self.assertAlmostEqual(volume, expected_volume)
|
||
|
|
|
||
|
|
def todo_test_get_volume__while_playing(self):
|
||
|
|
"""Ensure a channel's volume can be retrieved while playing."""
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_pause(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.pause:
|
||
|
|
|
||
|
|
# Channel.pause(): return None
|
||
|
|
# temporarily stop playback of a channel
|
||
|
|
#
|
||
|
|
# Temporarily stop the playback of sound on a channel. It can be
|
||
|
|
# resumed at a later time with Channel.unpause()
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_play(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.play:
|
||
|
|
|
||
|
|
# Channel.play(Sound, loops=0, maxtime=0, fade_ms=0): return None
|
||
|
|
# play a Sound on a specific Channel
|
||
|
|
#
|
||
|
|
# This will begin playback of a Sound on a specific Channel. If the
|
||
|
|
# Channel is currently playing any other Sound it will be stopped.
|
||
|
|
#
|
||
|
|
# The loops argument has the same meaning as in Sound.play(): it is
|
||
|
|
# the number of times to repeat the sound after the first time. If it
|
||
|
|
# is 3, the sound will be played 4 times (the first time, then three
|
||
|
|
# more). If loops is -1 then the playback will repeat indefinitely.
|
||
|
|
#
|
||
|
|
# As in Sound.play(), the maxtime argument can be used to stop
|
||
|
|
# playback of the Sound after a given number of milliseconds.
|
||
|
|
#
|
||
|
|
# As in Sound.play(), the fade_ms argument can be used fade in the sound.
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_queue(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.queue:
|
||
|
|
|
||
|
|
# Channel.queue(Sound): return None
|
||
|
|
# queue a Sound object to follow the current
|
||
|
|
#
|
||
|
|
# When a Sound is queued on a Channel, it will begin playing
|
||
|
|
# immediately after the current Sound is finished. Each channel can
|
||
|
|
# only have a single Sound queued at a time. The queued Sound will
|
||
|
|
# only play if the current playback finished automatically. It is
|
||
|
|
# cleared on any other call to Channel.stop() or Channel.play().
|
||
|
|
#
|
||
|
|
# If there is no sound actively playing on the Channel then the Sound
|
||
|
|
# will begin playing immediately.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_set_endevent(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.set_endevent:
|
||
|
|
|
||
|
|
# Channel.set_endevent(): return None
|
||
|
|
# Channel.set_endevent(type): return None
|
||
|
|
# have the channel send an event when playback stops
|
||
|
|
#
|
||
|
|
# When an endevent is set for a channel, it will send an event to the
|
||
|
|
# pygame queue every time a sound finishes playing on that channel
|
||
|
|
# (not just the first time). Use pygame.event.get() to retrieve the
|
||
|
|
# endevent once it's sent.
|
||
|
|
#
|
||
|
|
# Note that if you called Sound.play(n) or Channel.play(sound,n), the
|
||
|
|
# end event is sent only once: after the sound has been played "n+1"
|
||
|
|
# times (see the documentation of Sound.play).
|
||
|
|
#
|
||
|
|
# If Channel.stop() or Channel.play() is called while the sound was
|
||
|
|
# still playing, the event will be posted immediately.
|
||
|
|
#
|
||
|
|
# The type argument will be the event id sent to the queue. This can
|
||
|
|
# be any valid event type, but a good choice would be a value between
|
||
|
|
# pygame.locals.USEREVENT and pygame.locals.NUMEVENTS. If no type
|
||
|
|
# argument is given then the Channel will stop sending endevents.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_set_volume(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.set_volume:
|
||
|
|
|
||
|
|
# Channel.set_volume(value): return None
|
||
|
|
# Channel.set_volume(left, right): return None
|
||
|
|
# set the volume of a playing channel
|
||
|
|
#
|
||
|
|
# Set the volume (loudness) of a playing sound. When a channel starts
|
||
|
|
# to play its volume value is reset. This only affects the current
|
||
|
|
# sound. The value argument is between 0.0 and 1.0.
|
||
|
|
#
|
||
|
|
# If one argument is passed, it will be the volume of both speakers.
|
||
|
|
# If two arguments are passed and the mixer is in stereo mode, the
|
||
|
|
# first argument will be the volume of the left speaker and the second
|
||
|
|
# will be the volume of the right speaker. (If the second argument is
|
||
|
|
# None, the first argument will be the volume of both speakers.)
|
||
|
|
#
|
||
|
|
# If the channel is playing a Sound on which set_volume() has also
|
||
|
|
# been called, both calls are taken into account. For example:
|
||
|
|
#
|
||
|
|
# sound = pygame.mixer.Sound("s.wav")
|
||
|
|
# channel = s.play() # Sound plays at full volume by default
|
||
|
|
# sound.set_volume(0.9) # Now plays at 90% of full volume.
|
||
|
|
# sound.set_volume(0.6) # Now plays at 60% (previous value replaced).
|
||
|
|
# channel.set_volume(0.5) # Now plays at 30% (0.6 * 0.5).
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_stop(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.stop:
|
||
|
|
|
||
|
|
# Channel.stop(): return None
|
||
|
|
# stop playback on a Channel
|
||
|
|
#
|
||
|
|
# Stop sound playback on a channel. After playback is stopped the
|
||
|
|
# channel becomes available for new Sounds to play on it.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_unpause(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Channel.unpause:
|
||
|
|
|
||
|
|
# Channel.unpause(): return None
|
||
|
|
# resume pause playback of a channel
|
||
|
|
#
|
||
|
|
# Resume the playback on a paused channel.
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
|
||
|
|
############################### SOUND CLASS TESTS ##############################
|
||
|
|
|
||
|
|
|
||
|
|
class SoundTypeTest(unittest.TestCase):
|
||
|
|
@classmethod
|
||
|
|
def tearDownClass(cls):
|
||
|
|
mixer.quit()
|
||
|
|
|
||
|
|
def setUp(cls):
|
||
|
|
# This makes sure the mixer is always initialized before each test (in
|
||
|
|
# case a test calls pygame.mixer.quit()).
|
||
|
|
if mixer.get_init() is None:
|
||
|
|
mixer.init()
|
||
|
|
|
||
|
|
# See MixerModuleTest's methods test_sound_args(), test_sound_unicode(),
|
||
|
|
# and test_array_keyword() for additional testing of Sound() creation.
|
||
|
|
def test_sound(self):
|
||
|
|
"""Ensure Sound() creation with a filename works."""
|
||
|
|
filename = example_path(os.path.join("data", "house_lo.wav"))
|
||
|
|
sound1 = mixer.Sound(filename)
|
||
|
|
sound2 = mixer.Sound(file=filename)
|
||
|
|
|
||
|
|
self.assertIsInstance(sound1, mixer.Sound)
|
||
|
|
self.assertIsInstance(sound2, mixer.Sound)
|
||
|
|
|
||
|
|
def test_sound__from_file_object(self):
|
||
|
|
"""Ensure Sound() creation with a file object works."""
|
||
|
|
filename = example_path(os.path.join("data", "house_lo.wav"))
|
||
|
|
|
||
|
|
# Using 'with' ensures the file is closed even if test fails.
|
||
|
|
with open(filename, "rb") as file_obj:
|
||
|
|
sound = mixer.Sound(file_obj)
|
||
|
|
|
||
|
|
self.assertIsInstance(sound, mixer.Sound)
|
||
|
|
|
||
|
|
def test_sound__from_sound_object(self):
|
||
|
|
"""Ensure Sound() creation with a Sound() object works."""
|
||
|
|
filename = example_path(os.path.join("data", "house_lo.wav"))
|
||
|
|
sound_obj = mixer.Sound(file=filename)
|
||
|
|
|
||
|
|
sound = mixer.Sound(sound_obj)
|
||
|
|
|
||
|
|
self.assertIsInstance(sound, mixer.Sound)
|
||
|
|
|
||
|
|
def test_sound__from_pathlib(self):
|
||
|
|
"""Ensure Sound() creation with a pathlib.Path object works."""
|
||
|
|
path = pathlib.Path(example_path(os.path.join("data", "house_lo.wav")))
|
||
|
|
sound1 = mixer.Sound(path)
|
||
|
|
sound2 = mixer.Sound(file=path)
|
||
|
|
self.assertIsInstance(sound1, mixer.Sound)
|
||
|
|
self.assertIsInstance(sound2, mixer.Sound)
|
||
|
|
|
||
|
|
def todo_test_sound__from_buffer(self):
|
||
|
|
"""Ensure Sound() creation with a buffer works."""
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_sound__from_array(self):
|
||
|
|
"""Ensure Sound() creation with an array works."""
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def test_sound__without_arg(self):
|
||
|
|
"""Ensure exception raised for Sound() creation with no argument."""
|
||
|
|
with self.assertRaises(TypeError):
|
||
|
|
mixer.Sound()
|
||
|
|
|
||
|
|
def test_sound__before_init(self):
|
||
|
|
"""Ensure exception raised for Sound() creation with non-init mixer."""
|
||
|
|
mixer.quit()
|
||
|
|
filename = example_path(os.path.join("data", "house_lo.wav"))
|
||
|
|
|
||
|
|
with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
|
||
|
|
mixer.Sound(file=filename)
|
||
|
|
|
||
|
|
@unittest.skipIf(IS_PYPY, "pypy skip")
|
||
|
|
def test_samples_address(self):
|
||
|
|
"""Test the _samples_address getter."""
|
||
|
|
try:
|
||
|
|
from ctypes import pythonapi, c_void_p, py_object
|
||
|
|
|
||
|
|
Bytes_FromString = pythonapi.PyBytes_FromString
|
||
|
|
|
||
|
|
Bytes_FromString.restype = c_void_p
|
||
|
|
Bytes_FromString.argtypes = [py_object]
|
||
|
|
samples = b"abcdefgh" # keep byte size a multiple of 4
|
||
|
|
sample_bytes = Bytes_FromString(samples)
|
||
|
|
|
||
|
|
snd = mixer.Sound(buffer=samples)
|
||
|
|
|
||
|
|
self.assertNotEqual(snd._samples_address, sample_bytes)
|
||
|
|
finally:
|
||
|
|
pygame.mixer.quit()
|
||
|
|
with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
|
||
|
|
snd._samples_address
|
||
|
|
|
||
|
|
def todo_test_fadeout(self):
|
||
|
|
# __doc__ (as of 2008-08-02) for pygame.mixer.Sound.fadeout:
|
||
|
|
|
||
|
|
# Sound.fadeout(time): return None
|
||
|
|
# stop sound playback after fading out
|
||
|
|
#
|
||
|
|
# This will stop playback of the sound after fading it out over the
|
||
|
|
# time argument in milliseconds. The Sound will fade and stop on all
|
||
|
|
# actively playing channels.
|
||
|
|
#
|
||
|
|
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def test_get_length(self):
|
||
|
|
"""Tests if get_length returns a correct length."""
|
||
|
|
try:
|
||
|
|
for size in SIZES:
|
||
|
|
pygame.mixer.quit()
|
||
|
|
pygame.mixer.init(size=size)
|
||
|
|
filename = example_path(os.path.join("data", "punch.wav"))
|
||
|
|
sound = mixer.Sound(file=filename)
|
||
|
|
# The sound data is in the mixer output format. So dividing the
|
||
|
|
# length of the raw sound data by the mixer settings gives
|
||
|
|
# the expected length of the sound.
|
||
|
|
sound_bytes = sound.get_raw()
|
||
|
|
mix_freq, mix_bits, mix_channels = pygame.mixer.get_init()
|
||
|
|
mix_bytes = abs(mix_bits) / 8
|
||
|
|
expected_length = (
|
||
|
|
float(len(sound_bytes)) / mix_freq / mix_bytes / mix_channels
|
||
|
|
)
|
||
|
|
self.assertAlmostEqual(expected_length, sound.get_length())
|
||
|
|
finally:
|
||
|
|
pygame.mixer.quit()
|
||
|
|
with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
|
||
|
|
sound.get_length()
|
||
|
|
|
||
|
|
def test_get_num_channels(self):
|
||
|
|
"""
|
||
|
|
Tests if Sound.get_num_channels returns the correct number
|
||
|
|
of channels playing a specific sound.
|
||
|
|
"""
|
||
|
|
try:
|
||
|
|
filename = example_path(os.path.join("data", "house_lo.wav"))
|
||
|
|
sound = mixer.Sound(file=filename)
|
||
|
|
|
||
|
|
self.assertEqual(sound.get_num_channels(), 0)
|
||
|
|
sound.play()
|
||
|
|
self.assertEqual(sound.get_num_channels(), 1)
|
||
|
|
sound.play()
|
||
|
|
self.assertEqual(sound.get_num_channels(), 2)
|
||
|
|
sound.stop()
|
||
|
|
self.assertEqual(sound.get_num_channels(), 0)
|
||
|
|
finally:
|
||
|
|
pygame.mixer.quit()
|
||
|
|
with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
|
||
|
|
sound.get_num_channels()
|
||
|
|
|
||
|
|
def test_get_volume(self):
|
||
|
|
"""Ensure a sound's volume can be retrieved."""
|
||
|
|
try:
|
||
|
|
expected_volume = 1.0 # default
|
||
|
|
filename = example_path(os.path.join("data", "house_lo.wav"))
|
||
|
|
sound = mixer.Sound(file=filename)
|
||
|
|
|
||
|
|
volume = sound.get_volume()
|
||
|
|
|
||
|
|
self.assertAlmostEqual(volume, expected_volume)
|
||
|
|
finally:
|
||
|
|
pygame.mixer.quit()
|
||
|
|
with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
|
||
|
|
sound.get_volume()
|
||
|
|
|
||
|
|
def todo_test_get_volume__while_playing(self):
|
||
|
|
"""Ensure a sound's volume can be retrieved while playing."""
|
||
|
|
self.fail()
|
||
|
|
|
||
|
|
def todo_test_play(self):
|
||
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# __doc__ (as of 2008-08-02) for pygame.mixer.Sound.play:
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# Sound.play(loops=0, maxtime=0, fade_ms=0): return Channel
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# begin sound playback
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#
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# Begin playback of the Sound (i.e., on the computer's speakers) on an
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# available Channel. This will forcibly select a Channel, so playback
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# may cut off a currently playing sound if necessary.
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#
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# The loops argument controls how many times the sample will be
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# repeated after being played the first time. A value of 5 means that
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# the sound will be played once, then repeated five times, and so is
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# played a total of six times. The default value (zero) means the
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# Sound is not repeated, and so is only played once. If loops is set
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# to -1 the Sound will loop indefinitely (though you can still call
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# stop() to stop it).
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#
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# The maxtime argument can be used to stop playback after a given
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# number of milliseconds.
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#
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# The fade_ms argument will make the sound start playing at 0 volume
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# and fade up to full volume over the time given. The sample may end
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# before the fade-in is complete.
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#
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# This returns the Channel object for the channel that was selected.
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self.fail()
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def test_set_volume(self):
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"""Ensure a sound's volume can be set."""
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try:
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float_delta = 1.0 / 128 # SDL volume range is 0 to 128
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filename = example_path(os.path.join("data", "house_lo.wav"))
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sound = mixer.Sound(file=filename)
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current_volume = sound.get_volume()
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# (volume_set_value : expected_volume)
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volumes = (
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(-1, current_volume), # value < 0 won't change volume
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(0, 0.0),
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(0.01, 0.01),
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(0.1, 0.1),
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(0.5, 0.5),
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(0.9, 0.9),
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(0.99, 0.99),
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(1, 1.0),
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(1.1, 1.0),
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(2.0, 1.0),
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)
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for volume_set_value, expected_volume in volumes:
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sound.set_volume(volume_set_value)
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self.assertAlmostEqual(
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sound.get_volume(), expected_volume, delta=float_delta
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)
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finally:
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pygame.mixer.quit()
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with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
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sound.set_volume(1)
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def todo_test_set_volume__while_playing(self):
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"""Ensure a sound's volume can be set while playing."""
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self.fail()
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def test_stop(self):
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"""Ensure stop can be called while not playing a sound."""
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try:
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expected_channels = 0
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filename = example_path(os.path.join("data", "house_lo.wav"))
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sound = mixer.Sound(file=filename)
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sound.stop()
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self.assertEqual(sound.get_num_channels(), expected_channels)
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finally:
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pygame.mixer.quit()
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with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
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sound.stop()
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def todo_test_stop__while_playing(self):
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"""Ensure stop stops a playing sound."""
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self.fail()
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def test_get_raw(self):
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"""Ensure get_raw returns the correct bytestring."""
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try:
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samples = b"abcdefgh" # keep byte size a multiple of 4
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snd = mixer.Sound(buffer=samples)
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raw = snd.get_raw()
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self.assertIsInstance(raw, bytes)
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self.assertEqual(raw, samples)
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finally:
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pygame.mixer.quit()
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with self.assertRaisesRegex(pygame.error, "mixer not initialized"):
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snd.get_raw()
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def test_correct_subclassing(self):
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class CorrectSublass(mixer.Sound):
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def __init__(self, file):
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super().__init__(file=file)
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filename = example_path(os.path.join("data", "house_lo.wav"))
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correct = CorrectSublass(filename)
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try:
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correct.get_volume()
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except Exception:
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self.fail("This should not raise an exception.")
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def test_incorrect_subclassing(self):
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class IncorrectSuclass(mixer.Sound):
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def __init__(self):
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pass
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incorrect = IncorrectSuclass()
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self.assertRaises(RuntimeError, incorrect.get_volume)
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##################################### MAIN #####################################
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if __name__ == "__main__":
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unittest.main()
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