-
-
Notifications
You must be signed in to change notification settings - Fork 34.2k
Expand file tree
/
Copy pathtest_regrtest.py
More file actions
2669 lines (2237 loc) · 99.5 KB
/
test_regrtest.py
File metadata and controls
2669 lines (2237 loc) · 99.5 KB
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
"""
Tests of regrtest.py.
Note: test_regrtest cannot be run twice in parallel.
"""
import _colorize
import contextlib
import dataclasses
import glob
import io
import locale
import os.path
import platform
import random
import re
import shlex
import signal
import subprocess
import sys
import sysconfig
import tempfile
import textwrap
import unittest
import unittest.mock
from xml.etree import ElementTree
from test import support
from test.support import import_helper
from test.support import os_helper
from test.libregrtest import cmdline
from test.libregrtest import main
from test.libregrtest import setup
from test.libregrtest import utils
from test.libregrtest.filter import get_match_tests, set_match_tests, match_test
from test.libregrtest.result import TestStats
from test.libregrtest.utils import normalize_test_name
if not support.has_subprocess_support:
raise unittest.SkipTest("test module requires subprocess")
ROOT_DIR = os.path.join(os.path.dirname(__file__), '..', '..')
ROOT_DIR = os.path.abspath(os.path.normpath(ROOT_DIR))
LOG_PREFIX = r'[0-9]+:[0-9]+:[0-9]+ (?:load avg: [0-9]+\.[0-9]{2} )?'
RESULT_REGEX = (
'passed',
'failed',
'skipped',
'interrupted',
'env changed',
'timed out',
'ran no tests',
'worker non-zero exit code',
)
RESULT_REGEX = fr'(?:{"|".join(RESULT_REGEX)})'
EXITCODE_BAD_TEST = 2
EXITCODE_ENV_CHANGED = 3
EXITCODE_NO_TESTS_RAN = 4
EXITCODE_RERUN_FAIL = 5
EXITCODE_INTERRUPTED = 130
TEST_INTERRUPTED = textwrap.dedent("""
from signal import SIGINT, raise_signal
try:
raise_signal(SIGINT)
except ImportError:
import os
os.kill(os.getpid(), SIGINT)
""")
class ParseArgsTestCase(unittest.TestCase):
"""
Test regrtest's argument parsing, function _parse_args().
"""
@staticmethod
def parse_args(args):
return cmdline._parse_args(args)
def checkError(self, args, msg):
with support.captured_stderr() as err, self.assertRaises(SystemExit):
self.parse_args(args)
self.assertIn(msg, err.getvalue())
def test_help(self):
for opt in '-h', '--help':
with self.subTest(opt=opt):
with support.captured_stdout() as out, \
self.assertRaises(SystemExit):
self.parse_args([opt])
self.assertIn('Run Python regression tests.', out.getvalue())
def test_timeout(self):
ns = self.parse_args(['--timeout', '4.2'])
self.assertEqual(ns.timeout, 4.2)
# negative, zero and empty string are treated as "no timeout"
for value in ('-1', '0', ''):
with self.subTest(value=value):
ns = self.parse_args([f'--timeout={value}'])
self.assertEqual(ns.timeout, None)
self.checkError(['--timeout'], 'expected one argument')
self.checkError(['--timeout', 'foo'], 'invalid timeout value:')
def test_wait(self):
ns = self.parse_args(['--wait'])
self.assertTrue(ns.wait)
def test_start(self):
for opt in '-S', '--start':
with self.subTest(opt=opt):
ns = self.parse_args([opt, 'foo'])
self.assertEqual(ns.start, 'foo')
self.checkError([opt], 'expected one argument')
def test_verbose(self):
ns = self.parse_args(['-v'])
self.assertEqual(ns.verbose, 1)
ns = self.parse_args(['-vvv'])
self.assertEqual(ns.verbose, 3)
ns = self.parse_args(['--verbose'])
self.assertEqual(ns.verbose, 1)
ns = self.parse_args(['--verbose'] * 3)
self.assertEqual(ns.verbose, 3)
ns = self.parse_args([])
self.assertEqual(ns.verbose, 0)
def test_rerun(self):
for opt in '-w', '--rerun', '--verbose2':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.rerun)
def test_verbose3(self):
for opt in '-W', '--verbose3':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.verbose3)
def test_quiet(self):
for opt in '-q', '--quiet':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
def test_slowest(self):
for opt in '-o', '--slowest':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.print_slow)
def test_header(self):
ns = self.parse_args(['--header'])
self.assertTrue(ns.header)
ns = self.parse_args(['--verbose'])
self.assertTrue(ns.header)
def test_randomize(self):
for opt in ('-r', '--randomize'):
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.randomize)
with os_helper.EnvironmentVarGuard() as env:
# with SOURCE_DATE_EPOCH
env['SOURCE_DATE_EPOCH'] = '1697839080'
ns = self.parse_args(['--randomize'])
regrtest = main.Regrtest(ns)
self.assertFalse(regrtest.randomize)
self.assertIsInstance(regrtest.random_seed, str)
self.assertEqual(regrtest.random_seed, '1697839080')
# without SOURCE_DATE_EPOCH
del env['SOURCE_DATE_EPOCH']
ns = self.parse_args(['--randomize'])
regrtest = main.Regrtest(ns)
self.assertTrue(regrtest.randomize)
self.assertIsInstance(regrtest.random_seed, int)
def test_no_randomize(self):
ns = self.parse_args([])
self.assertIs(ns.randomize, False)
ns = self.parse_args(["--randomize"])
self.assertIs(ns.randomize, True)
ns = self.parse_args(["--no-randomize"])
self.assertIs(ns.randomize, False)
ns = self.parse_args(["--randomize", "--no-randomize"])
self.assertIs(ns.randomize, False)
ns = self.parse_args(["--no-randomize", "--randomize"])
self.assertIs(ns.randomize, False)
def test_randseed(self):
ns = self.parse_args(['--randseed', '12345'])
self.assertEqual(ns.random_seed, 12345)
self.assertTrue(ns.randomize)
self.checkError(['--randseed'], 'expected one argument')
self.checkError(['--randseed', 'foo'], 'invalid int value')
ns = self.parse_args(['--randseed', '12345', '--no-randomize'])
self.assertEqual(ns.random_seed, 12345)
self.assertFalse(ns.randomize)
def test_fromfile(self):
for opt in '-f', '--fromfile':
with self.subTest(opt=opt):
ns = self.parse_args([opt, 'foo'])
self.assertEqual(ns.fromfile, 'foo')
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo', '-s'], "don't go together")
def test_exclude(self):
for opt in '-x', '--exclude':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.exclude)
def test_single(self):
for opt in '-s', '--single':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.single)
self.checkError([opt, '-f', 'foo'], "don't go together")
def test_match(self):
for opt in '-m', '--match':
with self.subTest(opt=opt):
ns = self.parse_args([opt, 'pattern'])
self.assertEqual(ns.match_tests, [('pattern', True)])
self.checkError([opt], 'expected one argument')
for opt in '-i', '--ignore':
with self.subTest(opt=opt):
ns = self.parse_args([opt, 'pattern'])
self.assertEqual(ns.match_tests, [('pattern', False)])
self.checkError([opt], 'expected one argument')
ns = self.parse_args(['-m', 'pattern1', '-m', 'pattern2'])
self.assertEqual(ns.match_tests, [('pattern1', True), ('pattern2', True)])
ns = self.parse_args(['-m', 'pattern1', '-i', 'pattern2'])
self.assertEqual(ns.match_tests, [('pattern1', True), ('pattern2', False)])
ns = self.parse_args(['-i', 'pattern1', '-m', 'pattern2'])
self.assertEqual(ns.match_tests, [('pattern1', False), ('pattern2', True)])
self.addCleanup(os_helper.unlink, os_helper.TESTFN)
with open(os_helper.TESTFN, "w") as fp:
print('matchfile1', file=fp)
print('matchfile2', file=fp)
filename = os.path.abspath(os_helper.TESTFN)
ns = self.parse_args(['-m', 'match', '--matchfile', filename])
self.assertEqual(ns.match_tests,
[('match', True), ('matchfile1', True), ('matchfile2', True)])
ns = self.parse_args(['-i', 'match', '--ignorefile', filename])
self.assertEqual(ns.match_tests,
[('match', False), ('matchfile1', False), ('matchfile2', False)])
def test_failfast(self):
for opt in '-G', '--failfast':
with self.subTest(opt=opt):
ns = self.parse_args([opt, '-v'])
self.assertTrue(ns.failfast)
ns = self.parse_args([opt, '-W'])
self.assertTrue(ns.failfast)
self.checkError([opt], '-G/--failfast needs either -v or -W')
def test_use(self):
for opt in '-u', '--use':
with self.subTest(opt=opt):
ns = self.parse_args([opt, 'gui,network'])
self.assertEqual(ns.use_resources, {'gui': None, 'network': None})
ns = self.parse_args([opt, 'gui', opt, 'network'])
self.assertEqual(ns.use_resources, {'gui': None, 'network': None})
ns = self.parse_args([opt, 'gui,none,network'])
self.assertEqual(ns.use_resources, {'network': None})
ns = self.parse_args([opt, 'gui', opt, 'none', opt, 'network'])
self.assertEqual(ns.use_resources, {'network': None})
expected = dict.fromkeys(cmdline.ALL_RESOURCES)
del expected['gui']
ns = self.parse_args([opt, 'all,-gui'])
self.assertEqual(ns.use_resources, expected)
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo'], 'invalid resource')
# all + a resource not part of "all"
expected = dict.fromkeys(cmdline.ALL_RESOURCES)
expected['tzdata'] = None
ns = self.parse_args([opt, 'all,tzdata'])
self.assertEqual(ns.use_resources, expected)
ns = self.parse_args([opt, 'all', opt, 'tzdata'])
self.assertEqual(ns.use_resources, expected)
# test another resource which is not part of "all"
ns = self.parse_args([opt, 'extralargefile'])
self.assertEqual(ns.use_resources, {'extralargefile': None})
# test resource with value
ns = self.parse_args([opt, 'xpickle=2.7'])
self.assertEqual(ns.use_resources, {'xpickle': '2.7'})
ns = self.parse_args([opt, 'xpickle=2.7,xpickle=3.3'])
self.assertEqual(ns.use_resources, {'xpickle': '3.3'})
ns = self.parse_args([opt, 'xpickle=2.7,none'])
self.assertEqual(ns.use_resources, {})
ns = self.parse_args([opt, 'xpickle=2.7,-xpickle'])
self.assertEqual(ns.use_resources, {})
expected = dict.fromkeys(cmdline.ALL_RESOURCES)
expected['xpickle'] = '2.7'
ns = self.parse_args([opt, 'all,xpickle=2.7'])
self.assertEqual(ns.use_resources, expected)
ns = self.parse_args([opt, 'all', opt, 'xpickle=2.7'])
self.assertEqual(ns.use_resources, expected)
# test invalid resources with value
self.checkError([opt, 'all=0'], 'invalid resource: all=0')
self.checkError([opt, 'none=0'], 'invalid resource: none=0')
self.checkError([opt, 'all,-gui=0'], 'invalid resource: -gui=0')
def test_memlimit(self):
for opt in '-M', '--memlimit':
with self.subTest(opt=opt):
ns = self.parse_args([opt, '4G'])
self.assertEqual(ns.memlimit, '4G')
self.checkError([opt], 'expected one argument')
def test_testdir(self):
ns = self.parse_args(['--testdir', 'foo'])
self.assertEqual(ns.testdir, os.path.join(os_helper.SAVEDCWD, 'foo'))
self.checkError(['--testdir'], 'expected one argument')
def test_runleaks(self):
for opt in '-L', '--runleaks':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.runleaks)
def test_huntrleaks(self):
for opt in '-R', '--huntrleaks':
with self.subTest(opt=opt):
ns = self.parse_args([opt, ':'])
self.assertEqual(ns.huntrleaks, (5, 4, 'reflog.txt'))
ns = self.parse_args([opt, '6:'])
self.assertEqual(ns.huntrleaks, (6, 4, 'reflog.txt'))
ns = self.parse_args([opt, ':3'])
self.assertEqual(ns.huntrleaks, (5, 3, 'reflog.txt'))
ns = self.parse_args([opt, '6:3:leaks.log'])
self.assertEqual(ns.huntrleaks, (6, 3, 'leaks.log'))
self.checkError([opt], 'expected one argument')
self.checkError([opt, '6'],
'needs 2 or 3 colon-separated arguments')
self.checkError([opt, 'foo:'], 'invalid huntrleaks value')
self.checkError([opt, '6:foo'], 'invalid huntrleaks value')
def test_multiprocess(self):
for opt in '-j', '--multiprocess':
with self.subTest(opt=opt):
ns = self.parse_args([opt, '2'])
self.assertEqual(ns.use_mp, 2)
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo'], 'invalid int value')
def test_coverage_sequential(self):
for opt in '-T', '--coverage':
with self.subTest(opt=opt):
with support.captured_stderr() as stderr:
ns = self.parse_args([opt])
self.assertTrue(ns.trace)
self.assertIn(
"collecting coverage without -j is imprecise",
stderr.getvalue(),
)
@unittest.skipUnless(support.Py_DEBUG, 'need a debug build')
def test_coverage_mp(self):
for opt in '-T', '--coverage':
with self.subTest(opt=opt):
ns = self.parse_args([opt, '-j1'])
self.assertTrue(ns.trace)
def test_coverdir(self):
for opt in '-D', '--coverdir':
with self.subTest(opt=opt):
ns = self.parse_args([opt, 'foo'])
self.assertEqual(ns.coverdir,
os.path.join(os_helper.SAVEDCWD, 'foo'))
self.checkError([opt], 'expected one argument')
def test_nocoverdir(self):
for opt in '-N', '--nocoverdir':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertIsNone(ns.coverdir)
def test_threshold(self):
for opt in '-t', '--threshold':
with self.subTest(opt=opt):
ns = self.parse_args([opt, '1000'])
self.assertEqual(ns.threshold, 1000)
self.checkError([opt], 'expected one argument')
self.checkError([opt, 'foo'], 'invalid int value')
def test_nowindows(self):
for opt in '-n', '--nowindows':
with self.subTest(opt=opt):
with contextlib.redirect_stderr(io.StringIO()) as stderr:
ns = self.parse_args([opt])
self.assertTrue(ns.nowindows)
err = stderr.getvalue()
self.assertIn('the --nowindows (-n) option is deprecated', err)
def test_forever(self):
for opt in '-F', '--forever':
with self.subTest(opt=opt):
ns = self.parse_args([opt])
self.assertTrue(ns.forever)
def test_unrecognized_argument(self):
self.checkError(['--xxx'], 'usage:')
def test_long_option__partial(self):
ns = self.parse_args(['--qui'])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
def test_two_options(self):
ns = self.parse_args(['--quiet', '--exclude'])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
self.assertTrue(ns.exclude)
def test_option_with_empty_string_value(self):
ns = self.parse_args(['--start', ''])
self.assertEqual(ns.start, '')
def test_arg(self):
ns = self.parse_args(['foo'])
self.assertEqual(ns.args, ['foo'])
def test_option_and_arg(self):
ns = self.parse_args(['--quiet', 'foo'])
self.assertTrue(ns.quiet)
self.assertEqual(ns.verbose, 0)
self.assertEqual(ns.args, ['foo'])
def test_arg_option_arg(self):
ns = self.parse_args(['test_unaryop', '-v', 'test_binop'])
self.assertEqual(ns.verbose, 1)
self.assertEqual(ns.args, ['test_unaryop', 'test_binop'])
def test_unknown_option(self):
self.checkError(['--unknown-option'],
'unrecognized arguments: --unknown-option')
def create_regrtest(self, args):
ns = cmdline._parse_args(args)
# Check Regrtest attributes which are more reliable than Namespace
# which has an unclear API
with os_helper.EnvironmentVarGuard() as env:
# Ignore SOURCE_DATE_EPOCH env var if it's set
del env['SOURCE_DATE_EPOCH']
regrtest = main.Regrtest(ns)
return regrtest
def check_ci_mode(self, args, use_resources,
*, rerun=True, randomize=True, output_on_failure=True):
regrtest = self.create_regrtest(args)
self.assertEqual(regrtest.num_workers, -1)
self.assertEqual(regrtest.want_rerun, rerun)
self.assertEqual(regrtest.fail_rerun, False)
self.assertEqual(regrtest.randomize, randomize)
self.assertIsInstance(regrtest.random_seed, int)
self.assertTrue(regrtest.fail_env_changed)
self.assertTrue(regrtest.print_slowest)
self.assertEqual(regrtest.output_on_failure, output_on_failure)
self.assertEqual(regrtest.use_resources, use_resources)
return regrtest
def test_fast_ci(self):
args = ['--fast-ci']
use_resources = dict.fromkeys(cmdline.ALL_RESOURCES)
del use_resources['cpu']
regrtest = self.check_ci_mode(args, use_resources)
self.assertEqual(regrtest.timeout, 10 * 60)
def test_fast_ci_python_cmd(self):
args = ['--fast-ci', '--python', 'python -X dev']
use_resources = dict.fromkeys(cmdline.ALL_RESOURCES)
del use_resources['cpu']
regrtest = self.check_ci_mode(args, use_resources, rerun=False)
self.assertEqual(regrtest.timeout, 10 * 60)
self.assertEqual(regrtest.python_cmd, ('python', '-X', 'dev'))
def test_fast_ci_resource(self):
# it should be possible to override resources individually
args = ['--fast-ci', '-u-network']
use_resources = dict.fromkeys(cmdline.ALL_RESOURCES)
del use_resources['cpu']
del use_resources['network']
self.check_ci_mode(args, use_resources)
def test_fast_ci_verbose(self):
args = ['--fast-ci', '--verbose']
use_resources = dict.fromkeys(cmdline.ALL_RESOURCES)
del use_resources['cpu']
regrtest = self.check_ci_mode(args, use_resources,
output_on_failure=False)
self.assertEqual(regrtest.verbose, True)
def test_slow_ci(self):
args = ['--slow-ci']
use_resources = dict.fromkeys(cmdline.ALL_RESOURCES)
regrtest = self.check_ci_mode(args, use_resources)
self.assertEqual(regrtest.timeout, 20 * 60)
def test_ci_no_randomize(self):
use_resources = dict.fromkeys(cmdline.ALL_RESOURCES)
self.check_ci_mode(
["--slow-ci", "--no-randomize"], use_resources, randomize=False
)
del use_resources['cpu']
self.check_ci_mode(
["--fast-ci", "--no-randomize"], use_resources, randomize=False
)
def test_dont_add_python_opts(self):
args = ['--dont-add-python-opts']
ns = cmdline._parse_args(args)
self.assertFalse(ns._add_python_opts)
def test_bisect(self):
args = ['--bisect']
regrtest = self.create_regrtest(args)
self.assertTrue(regrtest.want_bisect)
def test_verbose3_huntrleaks(self):
args = ['-R', '3:10', '--verbose3']
with support.captured_stderr():
regrtest = self.create_regrtest(args)
self.assertIsNotNone(regrtest.hunt_refleak)
self.assertEqual(regrtest.hunt_refleak.warmups, 3)
self.assertEqual(regrtest.hunt_refleak.runs, 10)
self.assertFalse(regrtest.output_on_failure)
def test_single_process(self):
args = ['-j2', '--single-process']
with support.captured_stderr():
regrtest = self.create_regrtest(args)
self.assertEqual(regrtest.num_workers, 0)
self.assertTrue(regrtest.single_process)
args = ['--fast-ci', '--single-process']
with support.captured_stderr():
regrtest = self.create_regrtest(args)
self.assertEqual(regrtest.num_workers, 0)
self.assertTrue(regrtest.single_process)
@dataclasses.dataclass(slots=True)
class Rerun:
name: str
match: str | None
success: bool
class BaseTestCase(unittest.TestCase):
TEST_UNIQUE_ID = 1
TESTNAME_PREFIX = 'test_regrtest_'
TESTNAME_REGEX = r'test_[a-zA-Z0-9_]+'
def setUp(self):
self.testdir = os.path.realpath(os.path.dirname(__file__))
self.tmptestdir = tempfile.mkdtemp()
self.addCleanup(os_helper.rmtree, self.tmptestdir)
def create_test(self, name=None, code=None):
if not name:
name = 'noop%s' % BaseTestCase.TEST_UNIQUE_ID
BaseTestCase.TEST_UNIQUE_ID += 1
if code is None:
code = textwrap.dedent("""
import unittest
class Tests(unittest.TestCase):
def test_empty_test(self):
pass
""")
# test_regrtest cannot be run twice in parallel because
# of setUp() and create_test()
name = self.TESTNAME_PREFIX + name
path = os.path.join(self.tmptestdir, name + '.py')
self.addCleanup(os_helper.unlink, path)
# Use 'x' mode to ensure that we do not override existing tests
try:
with open(path, 'x', encoding='utf-8') as fp:
fp.write(code)
except PermissionError as exc:
if not sysconfig.is_python_build():
self.skipTest("cannot write %s: %s" % (path, exc))
raise
return name
def regex_search(self, regex, output):
match = re.search(regex, output, re.MULTILINE)
if not match:
self.fail("%r not found in %r" % (regex, output))
return match
def check_line(self, output, pattern, full=False, regex=True):
if not regex:
pattern = re.escape(pattern)
if full:
pattern += '\n'
regex = re.compile(r'^' + pattern, re.MULTILINE)
self.assertRegex(output, regex)
def parse_executed_tests(self, output):
regex = (fr'^{LOG_PREFIX}\[ *[0-9]+(?:/ *[0-9]+)*\] '
fr'({self.TESTNAME_REGEX}) {RESULT_REGEX}')
parser = re.finditer(regex, output, re.MULTILINE)
return list(match.group(1) for match in parser)
def check_executed_tests(self, output, tests, *, stats,
skipped=(), failed=(),
env_changed=(), omitted=(),
rerun=None, run_no_tests=(),
resource_denied=(),
randomize=False, parallel=False, interrupted=False,
fail_env_changed=False,
forever=False, filtered=False):
if isinstance(tests, str):
tests = [tests]
if isinstance(skipped, str):
skipped = [skipped]
if isinstance(resource_denied, str):
resource_denied = [resource_denied]
if isinstance(failed, str):
failed = [failed]
if isinstance(env_changed, str):
env_changed = [env_changed]
if isinstance(omitted, str):
omitted = [omitted]
if isinstance(run_no_tests, str):
run_no_tests = [run_no_tests]
if isinstance(stats, int):
stats = TestStats(stats)
if parallel:
randomize = True
rerun_failed = []
if rerun is not None and not env_changed:
failed = [rerun.name]
if not rerun.success:
rerun_failed.append(rerun.name)
executed = self.parse_executed_tests(output)
total_tests = list(tests)
if rerun is not None:
total_tests.append(rerun.name)
if randomize:
self.assertEqual(set(executed), set(total_tests), output)
else:
self.assertEqual(executed, total_tests, output)
def plural(count):
return 's' if count != 1 else ''
def list_regex(line_format, tests):
count = len(tests)
names = ' '.join(sorted(tests))
regex = line_format % (count, plural(count))
regex = r'%s:\n %s$' % (regex, names)
return regex
if skipped:
regex = list_regex('%s test%s skipped', skipped)
self.check_line(output, regex)
if resource_denied:
regex = list_regex(r'%s test%s skipped \(resource denied\)', resource_denied)
self.check_line(output, regex)
if failed:
regex = list_regex('%s test%s failed', failed)
self.check_line(output, regex)
if env_changed:
regex = list_regex(r'%s test%s altered the execution environment '
r'\(env changed\)',
env_changed)
self.check_line(output, regex)
if omitted:
regex = list_regex('%s test%s omitted', omitted)
self.check_line(output, regex)
if rerun is not None:
regex = list_regex('%s re-run test%s', [rerun.name])
self.check_line(output, regex)
regex = LOG_PREFIX + r"Re-running 1 failed tests in verbose mode"
self.check_line(output, regex)
regex = fr"Re-running {rerun.name} in verbose mode"
if rerun.match:
regex = fr"{regex} \(matching: {rerun.match}\)"
self.check_line(output, regex)
if run_no_tests:
regex = list_regex('%s test%s run no tests', run_no_tests)
self.check_line(output, regex)
good = (len(tests) - len(skipped) - len(resource_denied) - len(failed)
- len(omitted) - len(env_changed) - len(run_no_tests))
if good:
regex = r'%s test%s OK\.' % (good, plural(good))
if not skipped and not failed and (rerun is None or rerun.success) and good > 1:
regex = 'All %s' % regex
self.check_line(output, regex, full=True)
if interrupted:
self.check_line(output, 'Test suite interrupted by signal SIGINT.')
# Total tests
text = f'run={stats.tests_run:,}'
if filtered:
text = fr'{text} \(filtered\)'
parts = [text]
if stats.failures:
parts.append(f'failures={stats.failures:,}')
if stats.skipped:
parts.append(f'skipped={stats.skipped:,}')
line = fr'Total tests: {" ".join(parts)}'
self.check_line(output, line, full=True)
# Total test files
run = len(total_tests) - len(resource_denied)
if rerun is not None:
total_failed = len(rerun_failed)
total_rerun = 1
else:
total_failed = len(failed)
total_rerun = 0
if interrupted:
run = 0
text = f'run={run}'
if not forever:
text = f'{text}/{len(tests)}'
if filtered:
text = fr'{text} \(filtered\)'
report = [text]
for name, ntest in (
('failed', total_failed),
('env_changed', len(env_changed)),
('skipped', len(skipped)),
('resource_denied', len(resource_denied)),
('rerun', total_rerun),
('run_no_tests', len(run_no_tests)),
):
if ntest:
report.append(f'{name}={ntest}')
line = fr'Total test files: {" ".join(report)}'
self.check_line(output, line, full=True)
# Result
state = []
if failed:
state.append('FAILURE')
elif fail_env_changed and env_changed:
state.append('ENV CHANGED')
if interrupted:
state.append('INTERRUPTED')
if not any((good, failed, interrupted, skipped,
env_changed, fail_env_changed)):
state.append("NO TESTS RAN")
elif not state:
state.append('SUCCESS')
state = ', '.join(state)
if rerun is not None:
new_state = 'SUCCESS' if rerun.success else 'FAILURE'
state = f'{state} then {new_state}'
self.check_line(output, f'Result: {state}', full=True)
def parse_random_seed(self, output: str) -> str:
match = self.regex_search(r'Using random seed: (.*)', output)
return match.group(1)
def run_command(self, args, input=None, exitcode=0, **kw):
if not input:
input = ''
if 'stderr' not in kw:
kw['stderr'] = subprocess.STDOUT
env = kw.pop('env', None)
if env is None:
env = dict(os.environ)
env.pop('SOURCE_DATE_EPOCH', None)
proc = subprocess.run(args,
text=True,
input=input,
stdout=subprocess.PIPE,
env=env,
**kw)
if proc.returncode != exitcode:
msg = ("Command %s failed with exit code %s, but exit code %s expected!\n"
"\n"
"stdout:\n"
"---\n"
"%s\n"
"---\n"
% (str(args), proc.returncode, exitcode, proc.stdout))
if proc.stderr:
msg += ("\n"
"stderr:\n"
"---\n"
"%s"
"---\n"
% proc.stderr)
self.fail(msg)
return proc
def run_python(self, args, isolated=True, **kw):
extraargs = []
if 'uops' in sys._xoptions:
# Pass -X uops along
extraargs.extend(['-X', 'uops'])
cmd = [sys.executable, *extraargs, '-X', 'faulthandler']
if isolated:
cmd.append('-I')
cmd.extend(args)
proc = self.run_command(cmd, **kw)
return proc.stdout
class CheckActualTests(BaseTestCase):
def test_finds_expected_number_of_tests(self):
"""
Check that regrtest appears to find the expected set of tests.
"""
args = ['-Wd', '-E', '-bb', '-m', 'test.regrtest', '--list-tests']
output = self.run_python(args)
rough_number_of_tests_found = len(output.splitlines())
actual_testsuite_glob = os.path.join(glob.escape(os.path.dirname(__file__)),
'test*.py')
rough_counted_test_py_files = len(glob.glob(actual_testsuite_glob))
# We're not trying to duplicate test finding logic in here,
# just give a rough estimate of how many there should be and
# be near that. This is a regression test to prevent mishaps
# such as https://bugs.python.org/issue37667 in the future.
# If you need to change the values in here during some
# mythical future test suite reorganization, don't go
# overboard with logic and keep that goal in mind.
self.assertGreater(rough_number_of_tests_found,
rough_counted_test_py_files*9//10,
msg='Unexpectedly low number of tests found in:\n'
f'{", ".join(output.splitlines())}')
@support.force_not_colorized_test_class
class ProgramsTestCase(BaseTestCase):
"""
Test various ways to run the Python test suite. Use options close
to options used on the buildbot.
"""
NTEST = 4
def setUp(self):
super().setUp()
# Create NTEST tests doing nothing
self.tests = [self.create_test() for index in range(self.NTEST)]
self.python_args = ['-Wd', '-E', '-bb']
self.regrtest_args = ['-uall', '-rwW',
'--testdir=%s' % self.tmptestdir]
self.regrtest_args.extend(('--timeout', '3600', '-j4'))
if sys.platform == 'win32':
self.regrtest_args.append('-n')
def check_output(self, output):
randseed = self.parse_random_seed(output)
self.assertTrue(randseed.isdigit(), randseed)
self.check_executed_tests(output, self.tests,
randomize=True, stats=len(self.tests))
def run_tests(self, args, env=None, isolated=True):
output = self.run_python(args, env=env, isolated=isolated)
self.check_output(output)
def test_script_regrtest(self):
# Lib/test/regrtest.py
script = os.path.join(self.testdir, 'regrtest.py')
args = [*self.python_args, script, *self.regrtest_args, *self.tests]
self.run_tests(args)
def test_module_test(self):
# -m test
args = [*self.python_args, '-m', 'test',
*self.regrtest_args, *self.tests]
self.run_tests(args)
def test_module_regrtest(self):
# -m test.regrtest
args = [*self.python_args, '-m', 'test.regrtest',
*self.regrtest_args, *self.tests]
self.run_tests(args)
def test_module_autotest(self):
# -m test.autotest
args = [*self.python_args, '-m', 'test.autotest',
*self.regrtest_args, *self.tests]
self.run_tests(args)
def test_module_from_test_autotest(self):
# from test import autotest
code = 'from test import autotest'
args = [*self.python_args, '-c', code,
*self.regrtest_args, *self.tests]
self.run_tests(args)
def test_script_autotest(self):
# Lib/test/autotest.py
script = os.path.join(self.testdir, 'autotest.py')
args = [*self.python_args, script, *self.regrtest_args, *self.tests]
self.run_tests(args)
def run_batch(self, *args):
proc = self.run_command(args,
# gh-133711: cmd.exe uses the OEM code page
# to display the non-ASCII current directory
errors="backslashreplace")
self.check_output(proc.stdout)
@unittest.skipUnless(sysconfig.is_python_build(),
'test.bat script is not installed')
@unittest.skipUnless(sys.platform == 'win32', 'Windows only')
def test_tools_buildbot_test(self):
# Tools\buildbot\test.bat
script = os.path.join(ROOT_DIR, 'Tools', 'buildbot', 'test.bat')
test_args = ['--testdir=%s' % self.tmptestdir]
if platform.machine() == 'ARM64':
test_args.append('-arm64') # ARM 64-bit build
elif platform.machine() == 'ARM':
test_args.append('-arm32') # 32-bit ARM build
elif platform.architecture()[0] == '64bit':
test_args.append('-x64') # 64-bit build
if not support.Py_DEBUG:
test_args.append('+d') # Release build, use python.exe
if sysconfig.get_config_var("Py_GIL_DISABLED"):
test_args.append('--disable-gil')
self.run_batch(script, *test_args, *self.tests)
@unittest.skipUnless(sys.platform == 'win32', 'Windows only')
def test_pcbuild_rt(self):
# PCbuild\rt.bat
script = os.path.join(ROOT_DIR, r'PCbuild\rt.bat')
if not os.path.isfile(script):
self.skipTest(f'File "{script}" does not exist')
rt_args = ["-q"] # Quick, don't run tests twice
if platform.machine() == 'ARM64':
rt_args.append('-arm64') # ARM 64-bit build
elif platform.machine() == 'ARM':
rt_args.append('-arm32') # 32-bit ARM build
elif platform.architecture()[0] == '64bit':
rt_args.append('-x64') # 64-bit build
if support.Py_DEBUG:
rt_args.append('-d') # Debug build, use python_d.exe
if sysconfig.get_config_var("Py_GIL_DISABLED"):
rt_args.append('--disable-gil')
self.run_batch(script, *rt_args, *self.regrtest_args, *self.tests)
@support.force_not_colorized_test_class
class ArgsTestCase(BaseTestCase):
"""
Test arguments of the Python test suite.
"""