Traktor/myenv/Lib/site-packages/pygame/tests/mixer_music_test.py
2024-05-23 01:57:24 +02:00

440 lines
15 KiB
Python

import os
import sys
import platform
import unittest
import time
from pygame.tests.test_utils import example_path
import pygame
class MixerMusicModuleTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
# Initializing the mixer is slow, so minimize the times it is called.
pygame.mixer.init()
@classmethod
def tearDownClass(cls):
pygame.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 pygame.mixer.get_init() is None:
pygame.mixer.init()
def test_load_mp3(self):
"|tags:music|"
self.music_load("mp3")
def test_load_ogg(self):
"|tags:music|"
self.music_load("ogg")
def test_load_wav(self):
"|tags:music|"
self.music_load("wav")
def music_load(self, format):
data_fname = example_path("data")
path = os.path.join(data_fname, f"house_lo.{format}")
if os.sep == "\\":
path = path.replace("\\", "\\\\")
umusfn = str(path)
bmusfn = umusfn.encode()
pygame.mixer.music.load(umusfn)
pygame.mixer.music.load(bmusfn)
def test_load_object(self):
"""test loading music from file-like objects."""
formats = ["ogg", "wav"]
data_fname = example_path("data")
for f in formats:
path = os.path.join(data_fname, f"house_lo.{f}")
if os.sep == "\\":
path = path.replace("\\", "\\\\")
bmusfn = path.encode()
with open(bmusfn, "rb") as musf:
pygame.mixer.music.load(musf)
def test_object_namehint(self):
"""test loading & queuing music from file-like objects with namehint argument."""
formats = ["wav", "ogg"]
data_fname = example_path("data")
for f in formats:
path = os.path.join(data_fname, f"house_lo.{f}")
if os.sep == "\\":
path = path.replace("\\", "\\\\")
bmusfn = path.encode()
# these two "with open" blocks need to be separate, which is kinda weird
with open(bmusfn, "rb") as musf:
pygame.mixer.music.load(musf, f)
with open(bmusfn, "rb") as musf:
pygame.mixer.music.queue(musf, f)
with open(bmusfn, "rb") as musf:
pygame.mixer.music.load(musf, namehint=f)
with open(bmusfn, "rb") as musf:
pygame.mixer.music.queue(musf, namehint=f)
def test_load_unicode(self):
"""test non-ASCII unicode path"""
import shutil
ep = example_path("data")
temp_file = os.path.join(ep, "你好.wav")
org_file = os.path.join(ep, "house_lo.wav")
try:
with open(temp_file, "w") as f:
pass
os.remove(temp_file)
except OSError:
raise unittest.SkipTest("the path cannot be opened")
shutil.copy(org_file, temp_file)
try:
pygame.mixer.music.load(temp_file)
pygame.mixer.music.load(org_file) # unload
finally:
os.remove(temp_file)
def test_unload(self):
import shutil
import tempfile
ep = example_path("data")
org_file = os.path.join(ep, "house_lo.wav")
tmpfd, tmppath = tempfile.mkstemp(".wav")
os.close(tmpfd)
shutil.copy(org_file, tmppath)
try:
pygame.mixer.music.load(tmppath)
pygame.mixer.music.unload()
finally:
os.remove(tmppath)
def test_queue_mp3(self):
"""Ensures queue() accepts mp3 files.
|tags:music|
"""
filename = example_path(os.path.join("data", "house_lo.mp3"))
pygame.mixer.music.queue(filename)
def test_queue_ogg(self):
"""Ensures queue() accepts ogg files.
|tags:music|
"""
filename = example_path(os.path.join("data", "house_lo.ogg"))
pygame.mixer.music.queue(filename)
def test_queue_wav(self):
"""Ensures queue() accepts wav files.
|tags:music|
"""
filename = example_path(os.path.join("data", "house_lo.wav"))
pygame.mixer.music.queue(filename)
def test_queue__multiple_calls(self):
"""Ensures queue() can be called multiple times."""
ogg_file = example_path(os.path.join("data", "house_lo.ogg"))
wav_file = example_path(os.path.join("data", "house_lo.wav"))
pygame.mixer.music.queue(ogg_file)
pygame.mixer.music.queue(wav_file)
def test_queue__arguments(self):
"""Ensures queue() can be called with proper arguments."""
wav_file = example_path(os.path.join("data", "house_lo.wav"))
pygame.mixer.music.queue(wav_file, loops=2)
pygame.mixer.music.queue(wav_file, namehint="")
pygame.mixer.music.queue(wav_file, "")
pygame.mixer.music.queue(wav_file, "", 2)
def test_queue__no_file(self):
"""Ensures queue() correctly handles missing the file argument."""
with self.assertRaises(TypeError):
pygame.mixer.music.queue()
def test_queue__invalid_sound_type(self):
"""Ensures queue() correctly handles invalid file types."""
not_a_sound_file = example_path(os.path.join("data", "city.png"))
with self.assertRaises(pygame.error):
pygame.mixer.music.queue(not_a_sound_file)
def test_queue__invalid_filename(self):
"""Ensures queue() correctly handles invalid filenames."""
with self.assertRaises(pygame.error):
pygame.mixer.music.queue("")
def test_music_pause__unpause(self):
"""Ensure music has the correct position immediately after unpausing
|tags:music|
"""
filename = example_path(os.path.join("data", "house_lo.mp3"))
pygame.mixer.music.load(filename)
pygame.mixer.music.play()
# Wait 0.05s, then pause
time.sleep(0.05)
pygame.mixer.music.pause()
# Wait 0.05s, get position, unpause, then get position again
time.sleep(0.05)
before_unpause = pygame.mixer.music.get_pos()
pygame.mixer.music.unpause()
after_unpause = pygame.mixer.music.get_pos()
self.assertEqual(before_unpause, after_unpause)
def test_stop(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.stop:
# Stops the music playback if it is currently playing.
filename = example_path(os.path.join("data", "house_lo.mp3"))
pygame.mixer.music.load(filename)
pygame.mixer.music.play()
pygame.mixer.music.stop()
self.assertEqual(pygame.mixer.music.get_busy(), False)
def todo_test_rewind(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.rewind:
# Resets playback of the current music to the beginning.
self.fail()
def todo_test_get_pos(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.get_pos:
# This gets the number of milliseconds that the music has been playing
# for. The returned time only represents how long the music has been
# playing; it does not take into account any starting position
# offsets.
#
self.fail()
# def test_fadeout(self):
# filename = example_path(os.path.join("data", "house_lo.mp3"))
# pygame.mixer.music.load(filename)
# pygame.mixer.music.play()
# pygame.mixer.music.fadeout(50)
# time.sleep(0.3)
# self.assertEqual(pygame.mixer.music.get_busy(), False)
@unittest.skipIf(
os.environ.get("SDL_AUDIODRIVER") == "disk",
'disk audio driver "playback" writing to disk is slow',
)
def test_play__start_time(self):
pygame.display.init()
# music file is 7 seconds long
filename = example_path(os.path.join("data", "house_lo.ogg"))
pygame.mixer.music.load(filename)
start_time_in_seconds = 6.0 # 6 seconds
music_finished = False
clock = pygame.time.Clock()
start_time_in_ms = clock.tick()
# should play the last 1 second
pygame.mixer.music.play(0, start=start_time_in_seconds)
running = True
while running:
pygame.event.pump()
if not (pygame.mixer.music.get_busy() or music_finished):
music_finished = True
time_to_finish = (clock.tick() - start_time_in_ms) // 1000
self.assertEqual(time_to_finish, 1)
running = False
def test_play(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.play:
# This will play the loaded music stream. If the music is already
# playing it will be restarted.
#
# The loops argument controls the number of repeats a music will play.
# play(5) will cause the music to played once, then repeated five
# times, for a total of six. If the loops is -1 then the music will
# repeat indefinitely.
#
# The starting position argument controls where in the music the song
# starts playing. The starting position is dependent on the format of
# music playing. MP3 and OGG use the position as time (in seconds).
# MOD music it is the pattern order number. Passing a startpos will
# raise a NotImplementedError if it cannot set the start position
#
filename = example_path(os.path.join("data", "house_lo.mp3"))
pygame.mixer.music.load(filename)
pygame.mixer.music.play()
self.assertTrue(pygame.mixer.music.get_busy())
pygame.mixer.music.stop()
def todo_test_load(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.load:
# This will load a music file and prepare it for playback. If a music
# stream is already playing it will be stopped. This does not start
# the music playing.
#
# Music can only be loaded from filenames, not python file objects
# like the other pygame loading functions.
#
self.fail()
def test_get_volume(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.get_volume:
# Returns the current volume for the mixer. The value will be between
# 0.0 and 1.0.
#
filename = example_path(os.path.join("data", "house_lo.mp3"))
pygame.mixer.music.load(filename)
pygame.mixer.music.play()
vol = pygame.mixer.music.get_volume()
self.assertGreaterEqual(vol, 0)
self.assertLessEqual(vol, 1)
pygame.mixer.music.stop()
def todo_test_set_endevent(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.set_endevent:
# This causes Pygame to signal (by means of the event queue) when the
# music is done playing. The argument determines the type of event
# that will be queued.
#
# The event will be queued every time the music finishes, not just the
# first time. To stop the event from being queued, call this method
# with no argument.
#
self.fail()
def test_pause(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.pause:
# Temporarily stop playback of the music stream. It can be resumed
# with the pygame.mixer.music.unpause() function.
#
self.music_load("ogg")
self.assertFalse(pygame.mixer.music.get_busy())
pygame.mixer.music.play()
self.assertTrue(pygame.mixer.music.get_busy())
pygame.mixer.music.pause()
self.assertFalse(pygame.mixer.music.get_busy())
def test_get_busy(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.get_busy:
# Returns True when the music stream is actively playing. When the
# music is idle this returns False.
#
self.music_load("ogg")
self.assertFalse(pygame.mixer.music.get_busy())
pygame.mixer.music.play()
self.assertTrue(pygame.mixer.music.get_busy())
pygame.mixer.music.pause()
self.assertFalse(pygame.mixer.music.get_busy())
def todo_test_get_endevent(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.get_endevent:
# Returns the event type to be sent every time the music finishes
# playback. If there is no endevent the function returns
# pygame.NOEVENT.
#
self.fail()
def test_unpause(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.unpause:
# This will resume the playback of a music stream after it has been paused.
filename = example_path(os.path.join("data", "house_lo.mp3"))
pygame.mixer.music.load(filename)
pygame.mixer.music.play()
self.assertTrue(pygame.mixer.music.get_busy())
time.sleep(0.1)
pygame.mixer.music.pause()
self.assertFalse(pygame.mixer.music.get_busy())
before = pygame.mixer.music.get_pos()
pygame.mixer.music.unpause()
after = pygame.mixer.music.get_pos()
self.assertTrue(pygame.mixer.music.get_busy())
# It could rarely be that it is +/- 1 different
# But mostly, after should equal before.
self.assertTrue(before - 1 <= after <= before + 1)
pygame.mixer.music.stop()
def test_set_volume(self):
# __doc__ (as of 2008-08-02) for pygame.mixer_music.set_volume:
# Set the volume of the music playback. The value argument is between
# 0.0 and 1.0. When new music is loaded the volume is reset.
#
filename = example_path(os.path.join("data", "house_lo.mp3"))
pygame.mixer.music.load(filename)
pygame.mixer.music.play()
pygame.mixer.music.set_volume(0.5)
vol = pygame.mixer.music.get_volume()
self.assertEqual(vol, 0.5)
pygame.mixer.music.stop()
def todo_test_set_pos(self):
# __doc__ (as of 2010-24-05) for pygame.mixer_music.set_pos:
# This sets the position in the music file where playback will start. The
# meaning of "pos", a float (or a number that can be converted to a float),
# depends on the music format. Newer versions of SDL_mixer have better
# positioning support than earlier. An SDLError is raised if a particular
# format does not support positioning.
#
self.fail()
def test_init(self):
"""issue #955. unload music whenever mixer.quit() is called"""
import tempfile
import shutil
testfile = example_path(os.path.join("data", "house_lo.wav"))
tempcopy = os.path.join(tempfile.gettempdir(), "tempfile.wav")
for i in range(10):
pygame.mixer.init()
try:
shutil.copy2(testfile, tempcopy)
pygame.mixer.music.load(tempcopy)
pygame.mixer.quit()
finally:
os.remove(tempcopy)
if __name__ == "__main__":
unittest.main()