forked from python/cpython
-
Notifications
You must be signed in to change notification settings - Fork 0
/
test_configparser.py
2101 lines (1886 loc) · 83.4 KB
/
test_configparser.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 collections
import configparser
import io
import os
import pathlib
import textwrap
import unittest
from test import support
from test.support import os_helper
class SortedDict(collections.UserDict):
def items(self):
return sorted(self.data.items())
def keys(self):
return sorted(self.data.keys())
def values(self):
return [i[1] for i in self.items()]
def iteritems(self):
return iter(self.items())
def iterkeys(self):
return iter(self.keys())
def itervalues(self):
return iter(self.values())
__iter__ = iterkeys
class CfgParserTestCaseClass:
allow_no_value = False
delimiters = ('=', ':')
comment_prefixes = (';', '#')
inline_comment_prefixes = (';', '#')
empty_lines_in_values = True
dict_type = configparser._default_dict
strict = False
default_section = configparser.DEFAULTSECT
interpolation = configparser._UNSET
def newconfig(self, defaults=None):
arguments = dict(
defaults=defaults,
allow_no_value=self.allow_no_value,
delimiters=self.delimiters,
comment_prefixes=self.comment_prefixes,
inline_comment_prefixes=self.inline_comment_prefixes,
empty_lines_in_values=self.empty_lines_in_values,
dict_type=self.dict_type,
strict=self.strict,
default_section=self.default_section,
interpolation=self.interpolation,
)
instance = self.config_class(**arguments)
return instance
def fromstring(self, string, defaults=None):
cf = self.newconfig(defaults)
cf.read_string(string)
return cf
class BasicTestCase(CfgParserTestCaseClass):
def basic_test(self, cf):
E = ['Commented Bar',
'Foo Bar',
'Internationalized Stuff',
'Long Line',
'Section\\with$weird%characters[\t',
'Spaces',
'Spacey Bar',
'Spacey Bar From The Beginning',
'Types',
'This One Has A ] In It',
]
if self.allow_no_value:
E.append('NoValue')
E.sort()
F = [('baz', 'qwe'), ('foo', 'bar3')]
# API access
L = cf.sections()
L.sort()
eq = self.assertEqual
eq(L, E)
L = cf.items('Spacey Bar From The Beginning')
L.sort()
eq(L, F)
# mapping access
L = [section for section in cf]
L.sort()
E.append(self.default_section)
E.sort()
eq(L, E)
L = cf['Spacey Bar From The Beginning'].items()
L = sorted(list(L))
eq(L, F)
L = cf.items()
L = sorted(list(L))
self.assertEqual(len(L), len(E))
for name, section in L:
eq(name, section.name)
eq(cf.defaults(), cf[self.default_section])
# The use of spaces in the section names serves as a
# regression test for SourceForge bug #583248:
# https://bugs.python.org/issue583248
# API access
eq(cf.get('Foo Bar', 'foo'), 'bar1')
eq(cf.get('Spacey Bar', 'foo'), 'bar2')
eq(cf.get('Spacey Bar From The Beginning', 'foo'), 'bar3')
eq(cf.get('Spacey Bar From The Beginning', 'baz'), 'qwe')
eq(cf.get('Commented Bar', 'foo'), 'bar4')
eq(cf.get('Commented Bar', 'baz'), 'qwe')
eq(cf.get('Spaces', 'key with spaces'), 'value')
eq(cf.get('Spaces', 'another with spaces'), 'splat!')
eq(cf.getint('Types', 'int'), 42)
eq(cf.get('Types', 'int'), "42")
self.assertAlmostEqual(cf.getfloat('Types', 'float'), 0.44)
eq(cf.get('Types', 'float'), "0.44")
eq(cf.getboolean('Types', 'boolean'), False)
eq(cf.get('Types', '123'), 'strange but acceptable')
eq(cf.get('This One Has A ] In It', 'forks'), 'spoons')
if self.allow_no_value:
eq(cf.get('NoValue', 'option-without-value'), None)
# test vars= and fallback=
eq(cf.get('Foo Bar', 'foo', fallback='baz'), 'bar1')
eq(cf.get('Foo Bar', 'foo', vars={'foo': 'baz'}), 'baz')
with self.assertRaises(configparser.NoSectionError):
cf.get('No Such Foo Bar', 'foo')
with self.assertRaises(configparser.NoOptionError):
cf.get('Foo Bar', 'no-such-foo')
eq(cf.get('No Such Foo Bar', 'foo', fallback='baz'), 'baz')
eq(cf.get('Foo Bar', 'no-such-foo', fallback='baz'), 'baz')
eq(cf.get('Spacey Bar', 'foo', fallback=None), 'bar2')
eq(cf.get('No Such Spacey Bar', 'foo', fallback=None), None)
eq(cf.getint('Types', 'int', fallback=18), 42)
eq(cf.getint('Types', 'no-such-int', fallback=18), 18)
eq(cf.getint('Types', 'no-such-int', fallback="18"), "18") # sic!
with self.assertRaises(configparser.NoOptionError):
cf.getint('Types', 'no-such-int')
self.assertAlmostEqual(cf.getfloat('Types', 'float',
fallback=0.0), 0.44)
self.assertAlmostEqual(cf.getfloat('Types', 'no-such-float',
fallback=0.0), 0.0)
eq(cf.getfloat('Types', 'no-such-float', fallback="0.0"), "0.0") # sic!
with self.assertRaises(configparser.NoOptionError):
cf.getfloat('Types', 'no-such-float')
eq(cf.getboolean('Types', 'boolean', fallback=True), False)
eq(cf.getboolean('Types', 'no-such-boolean', fallback="yes"),
"yes") # sic!
eq(cf.getboolean('Types', 'no-such-boolean', fallback=True), True)
with self.assertRaises(configparser.NoOptionError):
cf.getboolean('Types', 'no-such-boolean')
eq(cf.getboolean('No Such Types', 'boolean', fallback=True), True)
if self.allow_no_value:
eq(cf.get('NoValue', 'option-without-value', fallback=False), None)
eq(cf.get('NoValue', 'no-such-option-without-value',
fallback=False), False)
# mapping access
eq(cf['Foo Bar']['foo'], 'bar1')
eq(cf['Spacey Bar']['foo'], 'bar2')
section = cf['Spacey Bar From The Beginning']
eq(section.name, 'Spacey Bar From The Beginning')
self.assertIs(section.parser, cf)
with self.assertRaises(AttributeError):
section.name = 'Name is read-only'
with self.assertRaises(AttributeError):
section.parser = 'Parser is read-only'
eq(section['foo'], 'bar3')
eq(section['baz'], 'qwe')
eq(cf['Commented Bar']['foo'], 'bar4')
eq(cf['Commented Bar']['baz'], 'qwe')
eq(cf['Spaces']['key with spaces'], 'value')
eq(cf['Spaces']['another with spaces'], 'splat!')
eq(cf['Long Line']['foo'],
'this line is much, much longer than my editor\nlikes it.')
if self.allow_no_value:
eq(cf['NoValue']['option-without-value'], None)
# test vars= and fallback=
eq(cf['Foo Bar'].get('foo', 'baz'), 'bar1')
eq(cf['Foo Bar'].get('foo', fallback='baz'), 'bar1')
eq(cf['Foo Bar'].get('foo', vars={'foo': 'baz'}), 'baz')
with self.assertRaises(KeyError):
cf['No Such Foo Bar']['foo']
with self.assertRaises(KeyError):
cf['Foo Bar']['no-such-foo']
with self.assertRaises(KeyError):
cf['No Such Foo Bar'].get('foo', fallback='baz')
eq(cf['Foo Bar'].get('no-such-foo', 'baz'), 'baz')
eq(cf['Foo Bar'].get('no-such-foo', fallback='baz'), 'baz')
eq(cf['Foo Bar'].get('no-such-foo'), None)
eq(cf['Spacey Bar'].get('foo', None), 'bar2')
eq(cf['Spacey Bar'].get('foo', fallback=None), 'bar2')
with self.assertRaises(KeyError):
cf['No Such Spacey Bar'].get('foo', None)
eq(cf['Types'].getint('int', 18), 42)
eq(cf['Types'].getint('int', fallback=18), 42)
eq(cf['Types'].getint('no-such-int', 18), 18)
eq(cf['Types'].getint('no-such-int', fallback=18), 18)
eq(cf['Types'].getint('no-such-int', "18"), "18") # sic!
eq(cf['Types'].getint('no-such-int', fallback="18"), "18") # sic!
eq(cf['Types'].getint('no-such-int'), None)
self.assertAlmostEqual(cf['Types'].getfloat('float', 0.0), 0.44)
self.assertAlmostEqual(cf['Types'].getfloat('float',
fallback=0.0), 0.44)
self.assertAlmostEqual(cf['Types'].getfloat('no-such-float', 0.0), 0.0)
self.assertAlmostEqual(cf['Types'].getfloat('no-such-float',
fallback=0.0), 0.0)
eq(cf['Types'].getfloat('no-such-float', "0.0"), "0.0") # sic!
eq(cf['Types'].getfloat('no-such-float', fallback="0.0"), "0.0") # sic!
eq(cf['Types'].getfloat('no-such-float'), None)
eq(cf['Types'].getboolean('boolean', True), False)
eq(cf['Types'].getboolean('boolean', fallback=True), False)
eq(cf['Types'].getboolean('no-such-boolean', "yes"), "yes") # sic!
eq(cf['Types'].getboolean('no-such-boolean', fallback="yes"),
"yes") # sic!
eq(cf['Types'].getboolean('no-such-boolean', True), True)
eq(cf['Types'].getboolean('no-such-boolean', fallback=True), True)
eq(cf['Types'].getboolean('no-such-boolean'), None)
if self.allow_no_value:
eq(cf['NoValue'].get('option-without-value', False), None)
eq(cf['NoValue'].get('option-without-value', fallback=False), None)
eq(cf['NoValue'].get('no-such-option-without-value', False), False)
eq(cf['NoValue'].get('no-such-option-without-value',
fallback=False), False)
# Make sure the right things happen for remove_section() and
# remove_option(); added to include check for SourceForge bug #123324.
cf[self.default_section]['this_value'] = '1'
cf[self.default_section]['that_value'] = '2'
# API access
self.assertTrue(cf.remove_section('Spaces'))
self.assertFalse(cf.has_option('Spaces', 'key with spaces'))
self.assertFalse(cf.remove_section('Spaces'))
self.assertFalse(cf.remove_section(self.default_section))
self.assertTrue(cf.remove_option('Foo Bar', 'foo'),
"remove_option() failed to report existence of option")
self.assertFalse(cf.has_option('Foo Bar', 'foo'),
"remove_option() failed to remove option")
self.assertFalse(cf.remove_option('Foo Bar', 'foo'),
"remove_option() failed to report non-existence of option"
" that was removed")
self.assertTrue(cf.has_option('Foo Bar', 'this_value'))
self.assertFalse(cf.remove_option('Foo Bar', 'this_value'))
self.assertTrue(cf.remove_option(self.default_section, 'this_value'))
self.assertFalse(cf.has_option('Foo Bar', 'this_value'))
self.assertFalse(cf.remove_option(self.default_section, 'this_value'))
with self.assertRaises(configparser.NoSectionError) as cm:
cf.remove_option('No Such Section', 'foo')
self.assertEqual(cm.exception.args, ('No Such Section',))
eq(cf.get('Long Line', 'foo'),
'this line is much, much longer than my editor\nlikes it.')
# mapping access
del cf['Types']
self.assertFalse('Types' in cf)
with self.assertRaises(KeyError):
del cf['Types']
with self.assertRaises(ValueError):
del cf[self.default_section]
del cf['Spacey Bar']['foo']
self.assertFalse('foo' in cf['Spacey Bar'])
with self.assertRaises(KeyError):
del cf['Spacey Bar']['foo']
self.assertTrue('that_value' in cf['Spacey Bar'])
with self.assertRaises(KeyError):
del cf['Spacey Bar']['that_value']
del cf[self.default_section]['that_value']
self.assertFalse('that_value' in cf['Spacey Bar'])
with self.assertRaises(KeyError):
del cf[self.default_section]['that_value']
with self.assertRaises(KeyError):
del cf['No Such Section']['foo']
# Don't add new asserts below in this method as most of the options
# and sections are now removed.
def test_basic(self):
config_string = """\
[Foo Bar]
foo{0[0]}bar1
[Spacey Bar]
foo {0[0]} bar2
[Spacey Bar From The Beginning]
foo {0[0]} bar3
baz {0[0]} qwe
[Commented Bar]
foo{0[1]} bar4 {1[1]} comment
baz{0[0]}qwe {1[0]}another one
[Long Line]
foo{0[1]} this line is much, much longer than my editor
likes it.
[Section\\with$weird%characters[\t]
[Internationalized Stuff]
foo[bg]{0[1]} Bulgarian
foo{0[0]}Default
foo[en]{0[0]}English
foo[de]{0[0]}Deutsch
[Spaces]
key with spaces {0[1]} value
another with spaces {0[0]} splat!
[Types]
int {0[1]} 42
float {0[0]} 0.44
boolean {0[0]} NO
123 {0[1]} strange but acceptable
[This One Has A ] In It]
forks {0[0]} spoons
""".format(self.delimiters, self.comment_prefixes)
if self.allow_no_value:
config_string += (
"[NoValue]\n"
"option-without-value\n"
)
cf = self.fromstring(config_string)
self.basic_test(cf)
if self.strict:
with self.assertRaises(configparser.DuplicateOptionError):
cf.read_string(textwrap.dedent("""\
[Duplicate Options Here]
option {0[0]} with a value
option {0[1]} with another value
""".format(self.delimiters)))
with self.assertRaises(configparser.DuplicateSectionError):
cf.read_string(textwrap.dedent("""\
[And Now For Something]
completely different {0[0]} True
[And Now For Something]
the larch {0[1]} 1
""".format(self.delimiters)))
else:
cf.read_string(textwrap.dedent("""\
[Duplicate Options Here]
option {0[0]} with a value
option {0[1]} with another value
""".format(self.delimiters)))
cf.read_string(textwrap.dedent("""\
[And Now For Something]
completely different {0[0]} True
[And Now For Something]
the larch {0[1]} 1
""".format(self.delimiters)))
def test_basic_from_dict(self):
config = {
"Foo Bar": {
"foo": "bar1",
},
"Spacey Bar": {
"foo": "bar2",
},
"Spacey Bar From The Beginning": {
"foo": "bar3",
"baz": "qwe",
},
"Commented Bar": {
"foo": "bar4",
"baz": "qwe",
},
"Long Line": {
"foo": "this line is much, much longer than my editor\nlikes "
"it.",
},
"Section\\with$weird%characters[\t": {
},
"Internationalized Stuff": {
"foo[bg]": "Bulgarian",
"foo": "Default",
"foo[en]": "English",
"foo[de]": "Deutsch",
},
"Spaces": {
"key with spaces": "value",
"another with spaces": "splat!",
},
"Types": {
"int": 42,
"float": 0.44,
"boolean": False,
123: "strange but acceptable",
},
"This One Has A ] In It": {
"forks": "spoons"
},
}
if self.allow_no_value:
config.update({
"NoValue": {
"option-without-value": None,
}
})
cf = self.newconfig()
cf.read_dict(config)
self.basic_test(cf)
if self.strict:
with self.assertRaises(configparser.DuplicateSectionError):
cf.read_dict({
'1': {'key': 'value'},
1: {'key2': 'value2'},
})
with self.assertRaises(configparser.DuplicateOptionError):
cf.read_dict({
"Duplicate Options Here": {
'option': 'with a value',
'OPTION': 'with another value',
},
})
else:
cf.read_dict({
'section': {'key': 'value'},
'SECTION': {'key2': 'value2'},
})
cf.read_dict({
"Duplicate Options Here": {
'option': 'with a value',
'OPTION': 'with another value',
},
})
def test_case_sensitivity(self):
cf = self.newconfig()
cf.add_section("A")
cf.add_section("a")
cf.add_section("B")
L = cf.sections()
L.sort()
eq = self.assertEqual
eq(L, ["A", "B", "a"])
cf.set("a", "B", "value")
eq(cf.options("a"), ["b"])
eq(cf.get("a", "b"), "value",
"could not locate option, expecting case-insensitive option names")
with self.assertRaises(configparser.NoSectionError):
# section names are case-sensitive
cf.set("b", "A", "value")
self.assertTrue(cf.has_option("a", "b"))
self.assertFalse(cf.has_option("b", "b"))
cf.set("A", "A-B", "A-B value")
for opt in ("a-b", "A-b", "a-B", "A-B"):
self.assertTrue(
cf.has_option("A", opt),
"has_option() returned false for option which should exist")
eq(cf.options("A"), ["a-b"])
eq(cf.options("a"), ["b"])
cf.remove_option("a", "B")
eq(cf.options("a"), [])
# SF bug #432369:
cf = self.fromstring(
"[MySection]\nOption{} first line \n\tsecond line \n".format(
self.delimiters[0]))
eq(cf.options("MySection"), ["option"])
eq(cf.get("MySection", "Option"), "first line\nsecond line")
# SF bug #561822:
cf = self.fromstring("[section]\n"
"nekey{}nevalue\n".format(self.delimiters[0]),
defaults={"key":"value"})
self.assertTrue(cf.has_option("section", "Key"))
def test_case_sensitivity_mapping_access(self):
cf = self.newconfig()
cf["A"] = {}
cf["a"] = {"B": "value"}
cf["B"] = {}
L = [section for section in cf]
L.sort()
eq = self.assertEqual
elem_eq = self.assertCountEqual
eq(L, sorted(["A", "B", self.default_section, "a"]))
eq(cf["a"].keys(), {"b"})
eq(cf["a"]["b"], "value",
"could not locate option, expecting case-insensitive option names")
with self.assertRaises(KeyError):
# section names are case-sensitive
cf["b"]["A"] = "value"
self.assertTrue("b" in cf["a"])
cf["A"]["A-B"] = "A-B value"
for opt in ("a-b", "A-b", "a-B", "A-B"):
self.assertTrue(
opt in cf["A"],
"has_option() returned false for option which should exist")
eq(cf["A"].keys(), {"a-b"})
eq(cf["a"].keys(), {"b"})
del cf["a"]["B"]
elem_eq(cf["a"].keys(), {})
# SF bug #432369:
cf = self.fromstring(
"[MySection]\nOption{} first line \n\tsecond line \n".format(
self.delimiters[0]))
eq(cf["MySection"].keys(), {"option"})
eq(cf["MySection"]["Option"], "first line\nsecond line")
# SF bug #561822:
cf = self.fromstring("[section]\n"
"nekey{}nevalue\n".format(self.delimiters[0]),
defaults={"key":"value"})
self.assertTrue("Key" in cf["section"])
def test_default_case_sensitivity(self):
cf = self.newconfig({"foo": "Bar"})
self.assertEqual(
cf.get(self.default_section, "Foo"), "Bar",
"could not locate option, expecting case-insensitive option names")
cf = self.newconfig({"Foo": "Bar"})
self.assertEqual(
cf.get(self.default_section, "Foo"), "Bar",
"could not locate option, expecting case-insensitive defaults")
def test_parse_errors(self):
cf = self.newconfig()
self.parse_error(cf, configparser.ParsingError,
"[Foo]\n"
"{}val-without-opt-name\n".format(self.delimiters[0]))
self.parse_error(cf, configparser.ParsingError,
"[Foo]\n"
"{}val-without-opt-name\n".format(self.delimiters[1]))
e = self.parse_error(cf, configparser.MissingSectionHeaderError,
"No Section!\n")
self.assertEqual(e.args, ('<???>', 1, "No Section!\n"))
if not self.allow_no_value:
e = self.parse_error(cf, configparser.ParsingError,
"[Foo]\n wrong-indent\n")
self.assertEqual(e.args, ('<???>',))
# read_file on a real file
tricky = support.findfile("cfgparser.3")
if self.delimiters[0] == '=':
error = configparser.ParsingError
expected = (tricky,)
else:
error = configparser.MissingSectionHeaderError
expected = (tricky, 1,
' # INI with as many tricky parts as possible\n')
with open(tricky, encoding='utf-8') as f:
e = self.parse_error(cf, error, f)
self.assertEqual(e.args, expected)
def parse_error(self, cf, exc, src):
if hasattr(src, 'readline'):
sio = src
else:
sio = io.StringIO(src)
with self.assertRaises(exc) as cm:
cf.read_file(sio)
return cm.exception
def test_query_errors(self):
cf = self.newconfig()
self.assertEqual(cf.sections(), [],
"new ConfigParser should have no defined sections")
self.assertFalse(cf.has_section("Foo"),
"new ConfigParser should have no acknowledged "
"sections")
with self.assertRaises(configparser.NoSectionError):
cf.options("Foo")
with self.assertRaises(configparser.NoSectionError):
cf.set("foo", "bar", "value")
e = self.get_error(cf, configparser.NoSectionError, "foo", "bar")
self.assertEqual(e.args, ("foo",))
cf.add_section("foo")
e = self.get_error(cf, configparser.NoOptionError, "foo", "bar")
self.assertEqual(e.args, ("bar", "foo"))
def get_error(self, cf, exc, section, option):
try:
cf.get(section, option)
except exc as e:
return e
else:
self.fail("expected exception type %s.%s"
% (exc.__module__, exc.__qualname__))
def test_boolean(self):
cf = self.fromstring(
"[BOOLTEST]\n"
"T1{equals}1\n"
"T2{equals}TRUE\n"
"T3{equals}True\n"
"T4{equals}oN\n"
"T5{equals}yes\n"
"F1{equals}0\n"
"F2{equals}FALSE\n"
"F3{equals}False\n"
"F4{equals}oFF\n"
"F5{equals}nO\n"
"E1{equals}2\n"
"E2{equals}foo\n"
"E3{equals}-1\n"
"E4{equals}0.1\n"
"E5{equals}FALSE AND MORE".format(equals=self.delimiters[0])
)
for x in range(1, 5):
self.assertTrue(cf.getboolean('BOOLTEST', 't%d' % x))
self.assertFalse(cf.getboolean('BOOLTEST', 'f%d' % x))
self.assertRaises(ValueError,
cf.getboolean, 'BOOLTEST', 'e%d' % x)
def test_weird_errors(self):
cf = self.newconfig()
cf.add_section("Foo")
with self.assertRaises(configparser.DuplicateSectionError) as cm:
cf.add_section("Foo")
e = cm.exception
self.assertEqual(str(e), "Section 'Foo' already exists")
self.assertEqual(e.args, ("Foo", None, None))
if self.strict:
with self.assertRaises(configparser.DuplicateSectionError) as cm:
cf.read_string(textwrap.dedent("""\
[Foo]
will this be added{equals}True
[Bar]
what about this{equals}True
[Foo]
oops{equals}this won't
""".format(equals=self.delimiters[0])), source='<foo-bar>')
e = cm.exception
self.assertEqual(str(e), "While reading from '<foo-bar>' "
"[line 5]: section 'Foo' already exists")
self.assertEqual(e.args, ("Foo", '<foo-bar>', 5))
with self.assertRaises(configparser.DuplicateOptionError) as cm:
cf.read_dict({'Bar': {'opt': 'val', 'OPT': 'is really `opt`'}})
e = cm.exception
self.assertEqual(str(e), "While reading from '<dict>': option "
"'opt' in section 'Bar' already exists")
self.assertEqual(e.args, ("Bar", "opt", "<dict>", None))
def test_write(self):
config_string = (
"[Long Line]\n"
"foo{0[0]} this line is much, much longer than my editor\n"
" likes it.\n"
"[{default_section}]\n"
"foo{0[1]} another very\n"
" long line\n"
"[Long Line - With Comments!]\n"
"test {0[1]} we {comment} can\n"
" also {comment} place\n"
" comments {comment} in\n"
" multiline {comment} values"
"\n".format(self.delimiters, comment=self.comment_prefixes[0],
default_section=self.default_section)
)
if self.allow_no_value:
config_string += (
"[Valueless]\n"
"option-without-value\n"
)
cf = self.fromstring(config_string)
for space_around_delimiters in (True, False):
output = io.StringIO()
cf.write(output, space_around_delimiters=space_around_delimiters)
delimiter = self.delimiters[0]
if space_around_delimiters:
delimiter = " {} ".format(delimiter)
expect_string = (
"[{default_section}]\n"
"foo{equals}another very\n"
"\tlong line\n"
"\n"
"[Long Line]\n"
"foo{equals}this line is much, much longer than my editor\n"
"\tlikes it.\n"
"\n"
"[Long Line - With Comments!]\n"
"test{equals}we\n"
"\talso\n"
"\tcomments\n"
"\tmultiline\n"
"\n".format(equals=delimiter,
default_section=self.default_section)
)
if self.allow_no_value:
expect_string += (
"[Valueless]\n"
"option-without-value\n"
"\n"
)
self.assertEqual(output.getvalue(), expect_string)
def test_set_string_types(self):
cf = self.fromstring("[sect]\n"
"option1{eq}foo\n".format(eq=self.delimiters[0]))
# Check that we don't get an exception when setting values in
# an existing section using strings:
class mystr(str):
pass
cf.set("sect", "option1", "splat")
cf.set("sect", "option1", mystr("splat"))
cf.set("sect", "option2", "splat")
cf.set("sect", "option2", mystr("splat"))
cf.set("sect", "option1", "splat")
cf.set("sect", "option2", "splat")
def test_read_returns_file_list(self):
if self.delimiters[0] != '=':
self.skipTest('incompatible format')
file1 = support.findfile("cfgparser.1")
# check when we pass a mix of readable and non-readable files:
cf = self.newconfig()
parsed_files = cf.read([file1, "nonexistent-file"], encoding="utf-8")
self.assertEqual(parsed_files, [file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we pass only a filename:
cf = self.newconfig()
parsed_files = cf.read(file1, encoding="utf-8")
self.assertEqual(parsed_files, [file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we pass only a Path object:
cf = self.newconfig()
parsed_files = cf.read(pathlib.Path(file1), encoding="utf-8")
self.assertEqual(parsed_files, [file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we passed both a filename and a Path object:
cf = self.newconfig()
parsed_files = cf.read([pathlib.Path(file1), file1], encoding="utf-8")
self.assertEqual(parsed_files, [file1, file1])
self.assertEqual(cf.get("Foo Bar", "foo"), "newbar")
# check when we pass only missing files:
cf = self.newconfig()
parsed_files = cf.read(["nonexistent-file"], encoding="utf-8")
self.assertEqual(parsed_files, [])
# check when we pass no files:
cf = self.newconfig()
parsed_files = cf.read([], encoding="utf-8")
self.assertEqual(parsed_files, [])
def test_read_returns_file_list_with_bytestring_path(self):
if self.delimiters[0] != '=':
self.skipTest('incompatible format')
file1_bytestring = support.findfile("cfgparser.1").encode()
# check when passing an existing bytestring path
cf = self.newconfig()
parsed_files = cf.read(file1_bytestring, encoding="utf-8")
self.assertEqual(parsed_files, [file1_bytestring])
# check when passing an non-existing bytestring path
cf = self.newconfig()
parsed_files = cf.read(b'nonexistent-file', encoding="utf-8")
self.assertEqual(parsed_files, [])
# check when passing both an existing and non-existing bytestring path
cf = self.newconfig()
parsed_files = cf.read([file1_bytestring, b'nonexistent-file'], encoding="utf-8")
self.assertEqual(parsed_files, [file1_bytestring])
# shared by subclasses
def get_interpolation_config(self):
return self.fromstring(
"[Foo]\n"
"bar{equals}something %(with1)s interpolation (1 step)\n"
"bar9{equals}something %(with9)s lots of interpolation (9 steps)\n"
"bar10{equals}something %(with10)s lots of interpolation (10 steps)\n"
"bar11{equals}something %(with11)s lots of interpolation (11 steps)\n"
"with11{equals}%(with10)s\n"
"with10{equals}%(with9)s\n"
"with9{equals}%(with8)s\n"
"with8{equals}%(With7)s\n"
"with7{equals}%(WITH6)s\n"
"with6{equals}%(with5)s\n"
"With5{equals}%(with4)s\n"
"WITH4{equals}%(with3)s\n"
"with3{equals}%(with2)s\n"
"with2{equals}%(with1)s\n"
"with1{equals}with\n"
"\n"
"[Mutual Recursion]\n"
"foo{equals}%(bar)s\n"
"bar{equals}%(foo)s\n"
"\n"
"[Interpolation Error]\n"
# no definition for 'reference'
"name{equals}%(reference)s\n".format(equals=self.delimiters[0]))
def check_items_config(self, expected):
cf = self.fromstring("""
[section]
name {0[0]} %(value)s
key{0[1]} |%(name)s|
getdefault{0[1]} |%(default)s|
""".format(self.delimiters), defaults={"default": "<default>"})
L = list(cf.items("section", vars={'value': 'value'}))
L.sort()
self.assertEqual(L, expected)
with self.assertRaises(configparser.NoSectionError):
cf.items("no such section")
def test_popitem(self):
cf = self.fromstring("""
[section1]
name1 {0[0]} value1
[section2]
name2 {0[0]} value2
[section3]
name3 {0[0]} value3
""".format(self.delimiters), defaults={"default": "<default>"})
self.assertEqual(cf.popitem()[0], 'section1')
self.assertEqual(cf.popitem()[0], 'section2')
self.assertEqual(cf.popitem()[0], 'section3')
with self.assertRaises(KeyError):
cf.popitem()
def test_clear(self):
cf = self.newconfig({"foo": "Bar"})
self.assertEqual(
cf.get(self.default_section, "Foo"), "Bar",
"could not locate option, expecting case-insensitive option names")
cf['zing'] = {'option1': 'value1', 'option2': 'value2'}
self.assertEqual(cf.sections(), ['zing'])
self.assertEqual(set(cf['zing'].keys()), {'option1', 'option2', 'foo'})
cf.clear()
self.assertEqual(set(cf.sections()), set())
self.assertEqual(set(cf[self.default_section].keys()), {'foo'})
def test_setitem(self):
cf = self.fromstring("""
[section1]
name1 {0[0]} value1
[section2]
name2 {0[0]} value2
[section3]
name3 {0[0]} value3
""".format(self.delimiters), defaults={"nameD": "valueD"})
self.assertEqual(set(cf['section1'].keys()), {'name1', 'named'})
self.assertEqual(set(cf['section2'].keys()), {'name2', 'named'})
self.assertEqual(set(cf['section3'].keys()), {'name3', 'named'})
self.assertEqual(cf['section1']['name1'], 'value1')
self.assertEqual(cf['section2']['name2'], 'value2')
self.assertEqual(cf['section3']['name3'], 'value3')
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
cf['section2'] = {'name22': 'value22'}
self.assertEqual(set(cf['section2'].keys()), {'name22', 'named'})
self.assertEqual(cf['section2']['name22'], 'value22')
self.assertNotIn('name2', cf['section2'])
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
cf['section3'] = {}
self.assertEqual(set(cf['section3'].keys()), {'named'})
self.assertNotIn('name3', cf['section3'])
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
# For bpo-32108, assigning default_section to itself.
cf[self.default_section] = cf[self.default_section]
self.assertNotEqual(set(cf[self.default_section].keys()), set())
cf[self.default_section] = {}
self.assertEqual(set(cf[self.default_section].keys()), set())
self.assertEqual(set(cf['section1'].keys()), {'name1'})
self.assertEqual(set(cf['section2'].keys()), {'name22'})
self.assertEqual(set(cf['section3'].keys()), set())
self.assertEqual(cf.sections(), ['section1', 'section2', 'section3'])
# For bpo-32108, assigning section to itself.
cf['section2'] = cf['section2']
self.assertEqual(set(cf['section2'].keys()), {'name22'})
def test_invalid_multiline_value(self):
if self.allow_no_value:
self.skipTest('if no_value is allowed, ParsingError is not raised')
invalid = textwrap.dedent("""\
[DEFAULT]
test {0} test
invalid""".format(self.delimiters[0])
)
cf = self.newconfig()
with self.assertRaises(configparser.ParsingError):
cf.read_string(invalid)
self.assertEqual(cf.get('DEFAULT', 'test'), 'test')
self.assertEqual(cf['DEFAULT']['test'], 'test')
class StrictTestCase(BasicTestCase, unittest.TestCase):
config_class = configparser.RawConfigParser
strict = True
class ConfigParserTestCase(BasicTestCase, unittest.TestCase):
config_class = configparser.ConfigParser
def test_interpolation(self):
cf = self.get_interpolation_config()
eq = self.assertEqual
eq(cf.get("Foo", "bar"), "something with interpolation (1 step)")
eq(cf.get("Foo", "bar9"),
"something with lots of interpolation (9 steps)")
eq(cf.get("Foo", "bar10"),
"something with lots of interpolation (10 steps)")
e = self.get_error(cf, configparser.InterpolationDepthError, "Foo", "bar11")
if self.interpolation == configparser._UNSET:
self.assertEqual(e.args, ("bar11", "Foo",
"something %(with11)s lots of interpolation (11 steps)"))
def test_interpolation_missing_value(self):
cf = self.get_interpolation_config()
e = self.get_error(cf, configparser.InterpolationMissingOptionError,
"Interpolation Error", "name")
self.assertEqual(e.reference, "reference")
self.assertEqual(e.section, "Interpolation Error")
self.assertEqual(e.option, "name")
if self.interpolation == configparser._UNSET:
self.assertEqual(e.args, ('name', 'Interpolation Error',
'%(reference)s', 'reference'))
def test_items(self):
self.check_items_config([('default', '<default>'),
('getdefault', '|<default>|'),
('key', '|value|'),
('name', 'value')])
def test_safe_interpolation(self):
# See https://bugs.python.org/issue511737
cf = self.fromstring("[section]\n"
"option1{eq}xxx\n"
"option2{eq}%(option1)s/xxx\n"
"ok{eq}%(option1)s/%%s\n"
"not_ok{eq}%(option2)s/%%s".format(
eq=self.delimiters[0]))
self.assertEqual(cf.get("section", "ok"), "xxx/%s")
if self.interpolation == configparser._UNSET:
self.assertEqual(cf.get("section", "not_ok"), "xxx/xxx/%s")
def test_set_malformatted_interpolation(self):
cf = self.fromstring("[sect]\n"
"option1{eq}foo\n".format(eq=self.delimiters[0]))
self.assertEqual(cf.get('sect', "option1"), "foo")
self.assertRaises(ValueError, cf.set, "sect", "option1", "%foo")
self.assertRaises(ValueError, cf.set, "sect", "option1", "foo%")
self.assertRaises(ValueError, cf.set, "sect", "option1", "f%oo")
self.assertEqual(cf.get('sect', "option1"), "foo")
# bug #5741: double percents are *not* malformed
cf.set("sect", "option2", "foo%%bar")
self.assertEqual(cf.get("sect", "option2"), "foo%bar")
def test_set_nonstring_types(self):
cf = self.fromstring("[sect]\n"
"option1{eq}foo\n".format(eq=self.delimiters[0]))
# Check that we get a TypeError when setting non-string values
# in an existing section:
self.assertRaises(TypeError, cf.set, "sect", "option1", 1)
self.assertRaises(TypeError, cf.set, "sect", "option1", 1.0)
self.assertRaises(TypeError, cf.set, "sect", "option1", object())
self.assertRaises(TypeError, cf.set, "sect", "option2", 1)
self.assertRaises(TypeError, cf.set, "sect", "option2", 1.0)
self.assertRaises(TypeError, cf.set, "sect", "option2", object())
self.assertRaises(TypeError, cf.set, "sect", 123, "invalid opt name!")
self.assertRaises(TypeError, cf.add_section, 123)
def test_add_section_default(self):
cf = self.newconfig()
self.assertRaises(ValueError, cf.add_section, self.default_section)
def test_defaults_keyword(self):
"""bpo-23835 fix for ConfigParser"""
cf = self.newconfig(defaults={1: 2.4})
self.assertEqual(cf[self.default_section]['1'], '2.4')
self.assertAlmostEqual(cf[self.default_section].getfloat('1'), 2.4)
cf = self.newconfig(defaults={"A": 5.2})
self.assertEqual(cf[self.default_section]['a'], '5.2')
self.assertAlmostEqual(cf[self.default_section].getfloat('a'), 5.2)
class ConfigParserTestCaseNoInterpolation(BasicTestCase, unittest.TestCase):
config_class = configparser.ConfigParser
interpolation = None
ini = textwrap.dedent("""
[numbers]
one = 1
two = %(one)s * 2
three = ${common:one} * 3
[hexen]
sixteen = ${numbers:two} * 8
""").strip()
def assertMatchesIni(self, cf):
self.assertEqual(cf['numbers']['one'], '1')
self.assertEqual(cf['numbers']['two'], '%(one)s * 2')
self.assertEqual(cf['numbers']['three'], '${common:one} * 3')
self.assertEqual(cf['hexen']['sixteen'], '${numbers:two} * 8')