-
-
Notifications
You must be signed in to change notification settings - Fork 176
/
Copy pathmixer_test.py
1378 lines (1131 loc) · 48.9 KB
/
mixer_test.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
import sys
import os
import unittest
import time
import pathlib
import platform
from pygame.tests.test_utils import example_path, prompt, question
import pygame
from pygame import mixer
IS_PYPY = "PyPy" == platform.python_implementation()
################################### CONSTANTS ##################################
FREQUENCIES = [11025, 22050, 44100, 48000]
SIZES = [-16, -8, 8, 16] # fixme
# size 32 failed in test_get_init__returns_exact_values_used_for_init
CHANNELS = [1, 2]
BUFFERS = [3024]
CONFIGS = [
{"frequency": f, "size": s, "channels": c}
for f in FREQUENCIES
for s in SIZES
for c in CHANNELS
]
# Using all CONFIGS fails on a Mac; probably older SDL_mixer; we could do:
# if platform.system() == 'Darwin':
# But using all CONFIGS is very slow (> 10 sec for example)
# And probably, we don't need to be so exhaustive, hence:
CONFIG = {"frequency": 44100, "size": 32, "channels": 2, "allowedchanges": 0}
class InvalidBool:
"""To help test invalid bool values."""
__bool__ = None
############################## MODULE LEVEL TESTS #############################
class MixerModuleTest(unittest.TestCase):
def tearDown(self):
mixer.quit()
mixer.pre_init(0, 0, 0, 0)
def test_get_driver(self):
mixer.init()
drivers = [
pygame.NULL_VIDEODRIVER,
"pipewire",
"pulseaudio",
"alsa",
"jack",
"sndio",
"netbsd",
"dsp",
"qsa",
"audio",
"arts",
"esd",
"nacl",
"nas",
"wasapi",
"directsound",
"winmm",
"paud",
"haiku",
"coreaudio",
"disk",
"fusionsound",
"AAudio",
"openslES",
"android",
"ps2",
"psp",
"vita",
"n3ds",
"emscripten",
"DART",
]
driver = mixer.get_driver()
self.assertIn(driver, drivers)
mixer.quit()
with self.assertRaises(pygame.error):
mixer.get_driver()
def test_init__keyword_args(self):
# note: this test used to loop over all CONFIGS, but it's very slow..
mixer.init(**CONFIG)
mixer_conf = mixer.get_init()
self.assertEqual(mixer_conf[0], CONFIG["frequency"])
# Not all "sizes" are supported on all systems, hence "abs".
self.assertEqual(abs(mixer_conf[1]), abs(CONFIG["size"]))
self.assertGreaterEqual(mixer_conf[2], CONFIG["channels"])
def test_pre_init__keyword_args(self):
# note: this test used to loop over all CONFIGS, but it's very slow..
mixer.pre_init(**CONFIG)
mixer.init()
mixer_conf = mixer.get_init()
self.assertEqual(mixer_conf[0], CONFIG["frequency"])
# Not all "sizes" are supported on all systems, hence "abs".
self.assertEqual(abs(mixer_conf[1]), abs(CONFIG["size"]))
self.assertGreaterEqual(mixer_conf[2], CONFIG["channels"])
def test_pre_init__zero_values(self):
# Ensure that argument values of 0 are replaced with
# default values. No way to check buffer size though.
mixer.pre_init(22050, -8, 1) # Non default values
mixer.pre_init(0, 0, 0) # Should reset to default values
mixer.init(allowedchanges=0)
self.assertEqual(mixer.get_init()[0], 44100)
self.assertEqual(mixer.get_init()[1], -16)
self.assertGreaterEqual(mixer.get_init()[2], 2)
def test_init__zero_values(self):
# Ensure that argument values of 0 are replaced with
# preset values. No way to check buffer size though.
mixer.pre_init(44100, 8, 1, allowedchanges=0) # None default values
mixer.init(0, 0, 0)
self.assertEqual(mixer.get_init(), (44100, 8, 1))
def test_get_init__returns_exact_values_used_for_init(self):
# TODO: size 32 fails in this test (maybe SDL_mixer bug)
for init_conf in CONFIGS:
frequency, size, channels = init_conf.values()
if (frequency, size) == (22050, 16):
continue
mixer.init(frequency, size, channels, allowedchanges=0)
mixer_conf = mixer.get_init()
self.assertEqual(tuple(init_conf.values()), mixer_conf)
mixer.quit()
def test_get_init__returns_None_if_mixer_not_initialized(self):
self.assertIsNone(mixer.get_init())
def test_get_num_channels__defaults_eight_after_init(self):
mixer.init()
self.assertEqual(mixer.get_num_channels(), 8)
def test_set_num_channels(self):
mixer.init()
default_num_channels = mixer.get_num_channels()
for i in range(1, default_num_channels + 1):
mixer.set_num_channels(i)
self.assertEqual(mixer.get_num_channels(), i)
def test_set_soundfont(self):
"""Ensure soundfonts can be set, cleared, and retrieved"""
mixer.init()
# test that initially, get_soundfont returns only real files
if (initial_sf := mixer.get_soundfont()) is not None:
for i in initial_sf.split(";"):
os.path.exists(i)
mixer.set_soundfont()
self.assertEqual(mixer.get_soundfont(), None)
mixer.set_soundfont(None)
self.assertEqual(mixer.get_soundfont(), None)
mixer.set_soundfont("test1.sf2;test2.sf2")
self.assertEqual(mixer.get_soundfont(), "test1.sf2;test2.sf2")
mixer.set_soundfont("")
self.assertEqual(mixer.get_soundfont(), None)
self.assertRaises(TypeError, mixer.set_soundfont, 0)
self.assertRaises(TypeError, mixer.set_soundfont, ["one", "two"])
def test_quit(self):
"""get_num_channels() Should throw pygame.error if uninitialized
after mixer.quit()"""
mixer.init()
mixer.quit()
self.assertRaises(pygame.error, mixer.get_num_channels)
# TODO: FIXME: pypy (on linux) fails here sometimes.
@unittest.skipIf(
sys.maxsize <= 2**32,
"randomly fails on comparing bytes",
)
@unittest.skipIf(IS_PYPY, "random errors here with pypy")
def test_sound_args(self):
def get_bytes(snd):
return snd.get_raw()
mixer.init()
sample = b"\x00\xff" * 24
wave_path = example_path(os.path.join("data", "house_lo.wav"))
uwave_path = str(wave_path)
bwave_path = uwave_path.encode(sys.getfilesystemencoding())
snd = mixer.Sound(file=wave_path)
self.assertTrue(snd.get_length() > 0.5)
snd_bytes = get_bytes(snd)
self.assertTrue(len(snd_bytes) > 1000)
self.assertEqual(get_bytes(mixer.Sound(wave_path)), snd_bytes)
self.assertEqual(get_bytes(mixer.Sound(file=uwave_path)), snd_bytes)
self.assertEqual(get_bytes(mixer.Sound(uwave_path)), snd_bytes)
arg_emsg = "Sound takes either 1 positional or 1 keyword argument"
with self.assertRaises(TypeError) as cm:
mixer.Sound()
self.assertEqual(str(cm.exception), arg_emsg)
with self.assertRaises(TypeError) as cm:
mixer.Sound(wave_path, buffer=sample)
self.assertEqual(str(cm.exception), arg_emsg)
with self.assertRaises(TypeError) as cm:
mixer.Sound(sample, file=wave_path)
self.assertEqual(str(cm.exception), arg_emsg)
with self.assertRaises(TypeError) as cm:
mixer.Sound(buffer=sample, file=wave_path)
self.assertEqual(str(cm.exception), arg_emsg)
with self.assertRaises(TypeError) as cm:
mixer.Sound(foobar=sample)
self.assertEqual(str(cm.exception), "Unrecognized keyword argument 'foobar'")
snd = mixer.Sound(wave_path, **{})
self.assertEqual(get_bytes(snd), snd_bytes)
snd = mixer.Sound(*[], **{"file": wave_path})
with self.assertRaises(TypeError) as cm:
mixer.Sound([])
self.assertEqual(str(cm.exception), "Unrecognized argument (type list)")
with self.assertRaises(TypeError) as cm:
snd = mixer.Sound(buffer=[])
emsg = "Expected object with buffer interface: got a list"
self.assertEqual(str(cm.exception), emsg)
ufake_path = "12345678"
self.assertRaises(IOError, mixer.Sound, ufake_path)
self.assertRaises(IOError, mixer.Sound, "12345678")
with self.assertRaises(TypeError) as cm:
mixer.Sound(buffer="something")
emsg = "Unicode object not allowed as buffer object"
self.assertEqual(str(cm.exception), emsg)
self.assertEqual(get_bytes(mixer.Sound(buffer=sample)), sample)
if type(sample) != str:
somebytes = get_bytes(mixer.Sound(sample))
# on python 2 we do not allow using string except as file name.
self.assertEqual(somebytes, sample)
self.assertEqual(get_bytes(mixer.Sound(file=bwave_path)), snd_bytes)
self.assertEqual(get_bytes(mixer.Sound(bwave_path)), snd_bytes)
snd = mixer.Sound(wave_path)
with self.assertRaises(TypeError) as cm:
mixer.Sound(wave_path, array=snd)
self.assertEqual(str(cm.exception), arg_emsg)
with self.assertRaises(TypeError) as cm:
mixer.Sound(buffer=sample, array=snd)
self.assertEqual(str(cm.exception), arg_emsg)
snd2 = mixer.Sound(array=snd)
self.assertEqual(snd.get_raw(), snd2.get_raw())
def test_sound_unicode(self):
"""test non-ASCII unicode path"""
mixer.init()
import shutil
ep = example_path("data")
temp_file = os.path.join(ep, "你好.wav")
org_file = os.path.join(ep, "house_lo.wav")
shutil.copy(org_file, temp_file)
try:
with open(temp_file, "rb") as f:
pass
except OSError:
raise unittest.SkipTest("the path cannot be opened")
try:
sound = mixer.Sound(temp_file)
del sound
finally:
os.remove(temp_file)
@unittest.skipIf(
os.environ.get("SDL_AUDIODRIVER") == "disk",
"this test fails without real sound card",
)
def test_array_keyword(self):
try:
from numpy import (
array,
arange,
zeros,
int8,
uint8,
int16,
uint16,
int32,
uint32,
)
except ImportError:
self.skipTest("requires numpy")
freq = 22050
format_list = [-8, 8, -16, 16]
channels_list = [1, 2]
a_lists = {f: [] for f in format_list}
a32u_mono = arange(0, 256, 1, uint32)
a16u_mono = a32u_mono.astype(uint16)
a8u_mono = a32u_mono.astype(uint8)
au_list_mono = [(1, a) for a in [a8u_mono, a16u_mono, a32u_mono]]
for format in format_list:
if format > 0:
a_lists[format].extend(au_list_mono)
a32s_mono = arange(-128, 128, 1, int32)
a16s_mono = a32s_mono.astype(int16)
a8s_mono = a32s_mono.astype(int8)
as_list_mono = [(1, a) for a in [a8s_mono, a16s_mono, a32s_mono]]
for format in format_list:
if format < 0:
a_lists[format].extend(as_list_mono)
a32u_stereo = zeros([a32u_mono.shape[0], 2], uint32)
a32u_stereo[:, 0] = a32u_mono
a32u_stereo[:, 1] = 255 - a32u_mono
a16u_stereo = a32u_stereo.astype(uint16)
a8u_stereo = a32u_stereo.astype(uint8)
au_list_stereo = [(2, a) for a in [a8u_stereo, a16u_stereo, a32u_stereo]]
for format in format_list:
if format > 0:
a_lists[format].extend(au_list_stereo)
a32s_stereo = zeros([a32s_mono.shape[0], 2], int32)
a32s_stereo[:, 0] = a32s_mono
a32s_stereo[:, 1] = -1 - a32s_mono
a16s_stereo = a32s_stereo.astype(int16)
a8s_stereo = a32s_stereo.astype(int8)
as_list_stereo = [(2, a) for a in [a8s_stereo, a16s_stereo, a32s_stereo]]
for format in format_list:
if format < 0:
a_lists[format].extend(as_list_stereo)
for format in format_list:
for channels in channels_list:
try:
mixer.init(freq, format, channels)
except pygame.error:
# Some formats (e.g. 16) may not be supported.
continue
try:
__, f, c = mixer.get_init()
if f != format or c != channels:
# Some formats (e.g. -8) may not be supported.
continue
for c, a in a_lists[format]:
self._test_array_argument(format, a, c == channels)
finally:
mixer.quit()
def _test_array_argument(self, format, a, test_pass):
from numpy import array, all as all_
try:
snd = mixer.Sound(array=a)
except ValueError:
if not test_pass:
return
self.fail("Raised ValueError: Format %i, dtype %s" % (format, a.dtype))
if not test_pass:
self.fail(
"Did not raise ValueError: Format %i, dtype %s" % (format, a.dtype)
)
a2 = array(snd)
a3 = a.astype(a2.dtype)
lshift = abs(format) - 8 * a.itemsize
if lshift >= 0:
# This is asymmetric with respect to downcasting.
a3 <<= lshift
self.assertTrue(all_(a2 == a3), "Format %i, dtype %s" % (format, a.dtype))
def _test_array_interface_fail(self, a):
self.assertRaises(ValueError, mixer.Sound, array=a)
def test_array_interface(self):
mixer.init(22050, -16, 1, allowedchanges=0)
snd = mixer.Sound(buffer=b"\x00\x7f" * 20)
d = snd.__array_interface__
self.assertTrue(isinstance(d, dict))
if pygame.get_sdl_byteorder() == pygame.LIL_ENDIAN:
typestr = "<i2"
else:
typestr = ">i2"
self.assertEqual(d["typestr"], typestr)
self.assertEqual(d["shape"], (20,))
self.assertEqual(d["strides"], (2,))
self.assertEqual(d["data"], (snd._samples_address, False))
@unittest.skipIf(IS_PYPY, "pypy no likey")
def test_newbuf__one_channel(self):
mixer.init(22050, -16, 1)
self._NEWBUF_export_check()
@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)
if (num_channels := mixer.get_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)
compiled_version = pygame.mixer.get_sdl_mixer_version(linked=False)
self.assertTupleEqual(linked_version, compiled_version)
def test_snd_copy(self):
mixer.init()
filenames = [
"house_lo.ogg",
"house_lo.wav",
"house_lo.flac",
"house_lo.opus",
"surfonasinewave.xm",
]
if pygame.mixer.get_sdl_mixer_version() >= (2, 6, 0):
filenames.append("house_lo.mp3")
for f in filenames:
filename = example_path(os.path.join("data", f))
try:
sound = mixer.Sound(file=filename)
except pygame.error as e:
continue
sound_copy = sound.copy()
self.assertEqual(sound.get_length(), sound_copy.get_length())
self.assertEqual(sound.get_num_channels(), sound_copy.get_num_channels())
self.assertEqual(sound.get_volume(), sound_copy.get_volume())
self.assertEqual(sound.get_raw(), sound_copy.get_raw())
sound.set_volume(0.5)
self.assertNotEqual(sound.get_volume(), sound_copy.get_volume())
del sound
# Test on the copy for playable sounds
channel = sound_copy.play()
if channel is None:
continue
self.assertTrue(channel.get_busy())
sound_copy.stop()
self.assertFalse(channel.get_busy())
sound_copy.play()
self.assertEqual(sound_copy.get_num_channels(), 1)
############################## 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_alias(self):
"""Check if pygame.Channel is present and the correct type."""
self.assertIs(pygame.Channel, pygame.mixer.Channel)
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