summaryrefslogtreecommitdiffstats
path: root/python/mozbuild/mozpack/test/test_files.py
blob: 6fd6178288587690b205484aaac0ce644d06a231 (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

from mozbuild.util import ensureParentDir

from mozpack.errors import (
    ErrorMessage,
    errors,
)
from mozpack.files import (
    AbsoluteSymlinkFile,
    ComposedFinder,
    DeflatedFile,
    Dest,
    ExistingFile,
    ExtractedTarFile,
    FileFinder,
    File,
    GeneratedFile,
    JarFinder,
    TarFinder,
    ManifestFile,
    MercurialFile,
    MercurialRevisionFinder,
    MinifiedJavaScript,
    MinifiedProperties,
    PreprocessedFile,
    XPTFile,
)

# We don't have hglib installed everywhere.
try:
    import hglib
except ImportError:
    hglib = None

try:
    from mozpack.hg import MercurialNativeRevisionFinder
except ImportError:
    MercurialNativeRevisionFinder = None

from mozpack.mozjar import (
    JarReader,
    JarWriter,
)
from mozpack.chrome.manifest import (
    ManifestContent,
    ManifestResource,
    ManifestLocale,
    ManifestOverride,
)
import unittest
import mozfile
import mozunit
import os
import random
import string
import sys
import tarfile
import mozpack.path as mozpath
from tempfile import mkdtemp
from io import BytesIO
from StringIO import StringIO
from xpt import Typelib


class TestWithTmpDir(unittest.TestCase):
    def setUp(self):
        self.tmpdir = mkdtemp()

        self.symlink_supported = False

        if not hasattr(os, 'symlink'):
            return

        dummy_path = self.tmppath('dummy_file')
        with open(dummy_path, 'a'):
            pass

        try:
            os.symlink(dummy_path, self.tmppath('dummy_symlink'))
            os.remove(self.tmppath('dummy_symlink'))
        except EnvironmentError:
            pass
        finally:
            os.remove(dummy_path)

        self.symlink_supported = True


    def tearDown(self):
        mozfile.rmtree(self.tmpdir)

    def tmppath(self, relpath):
        return os.path.normpath(os.path.join(self.tmpdir, relpath))


class MockDest(BytesIO, Dest):
    def __init__(self):
        BytesIO.__init__(self)
        self.mode = None

    def read(self, length=-1):
        if self.mode != 'r':
            self.seek(0)
            self.mode = 'r'
        return BytesIO.read(self, length)

    def write(self, data):
        if self.mode != 'w':
            self.seek(0)
            self.truncate(0)
            self.mode = 'w'
        return BytesIO.write(self, data)

    def exists(self):
        return True

    def close(self):
        if self.mode:
            self.mode = None


class DestNoWrite(Dest):
    def write(self, data):
        raise RuntimeError


class TestDest(TestWithTmpDir):
    def test_dest(self):
        dest = Dest(self.tmppath('dest'))
        self.assertFalse(dest.exists())
        dest.write('foo')
        self.assertTrue(dest.exists())
        dest.write('foo')
        self.assertEqual(dest.read(4), 'foof')
        self.assertEqual(dest.read(), 'oo')
        self.assertEqual(dest.read(), '')
        dest.write('bar')
        self.assertEqual(dest.read(4), 'bar')
        dest.close()
        self.assertEqual(dest.read(), 'bar')
        dest.write('foo')
        dest.close()
        dest.write('qux')
        self.assertEqual(dest.read(), 'qux')

rand = ''.join(random.choice(string.letters) for i in xrange(131597))
samples = [
    '',
    'test',
    'fooo',
    'same',
    'same',
    'Different and longer',
    rand,
    rand,
    rand[:-1] + '_',
    'test'
]


class TestFile(TestWithTmpDir):
    def test_file(self):
        '''
        Check that File.copy yields the proper content in the destination file
        in all situations that trigger different code paths:
        - different content
        - different content of the same size
        - same content
        - long content
        '''
        src = self.tmppath('src')
        dest = self.tmppath('dest')

        for content in samples:
            with open(src, 'wb') as tmp:
                tmp.write(content)
            # Ensure the destination file, when it exists, is older than the
            # source
            if os.path.exists(dest):
                time = os.path.getmtime(src) - 1
                os.utime(dest, (time, time))
            f = File(src)
            f.copy(dest)
            self.assertEqual(content, open(dest, 'rb').read())
            self.assertEqual(content, f.open().read())
            self.assertEqual(content, f.open().read())

    def test_file_dest(self):
        '''
        Similar to test_file, but for a destination object instead of
        a destination file. This ensures the destination object is being
        used properly by File.copy, ensuring that other subclasses of Dest
        will work.
        '''
        src = self.tmppath('src')
        dest = MockDest()

        for content in samples:
            with open(src, 'wb') as tmp:
                tmp.write(content)
            f = File(src)
            f.copy(dest)
            self.assertEqual(content, dest.getvalue())

    def test_file_open(self):
        '''
        Test whether File.open returns an appropriately reset file object.
        '''
        src = self.tmppath('src')
        content = ''.join(samples)
        with open(src, 'wb') as tmp:
            tmp.write(content)

        f = File(src)
        self.assertEqual(content[:42], f.open().read(42))
        self.assertEqual(content, f.open().read())

    def test_file_no_write(self):
        '''
        Test various conditions where File.copy is expected not to write
        in the destination file.
        '''
        src = self.tmppath('src')
        dest = self.tmppath('dest')

        with open(src, 'wb') as tmp:
            tmp.write('test')

        # Initial copy
        f = File(src)
        f.copy(dest)

        # Ensure subsequent copies won't trigger writes
        f.copy(DestNoWrite(dest))
        self.assertEqual('test', open(dest, 'rb').read())

        # When the source file is newer, but with the same content, no copy
        # should occur
        time = os.path.getmtime(src) - 1
        os.utime(dest, (time, time))
        f.copy(DestNoWrite(dest))
        self.assertEqual('test', open(dest, 'rb').read())

        # When the source file is older than the destination file, even with
        # different content, no copy should occur.
        with open(src, 'wb') as tmp:
            tmp.write('fooo')
        time = os.path.getmtime(dest) - 1
        os.utime(src, (time, time))
        f.copy(DestNoWrite(dest))
        self.assertEqual('test', open(dest, 'rb').read())

        # Double check that under conditions where a copy occurs, we would get
        # an exception.
        time = os.path.getmtime(src) - 1
        os.utime(dest, (time, time))
        self.assertRaises(RuntimeError, f.copy, DestNoWrite(dest))

        # skip_if_older=False is expected to force a copy in this situation.
        f.copy(dest, skip_if_older=False)
        self.assertEqual('fooo', open(dest, 'rb').read())


class TestAbsoluteSymlinkFile(TestWithTmpDir):
    def test_absolute_relative(self):
        AbsoluteSymlinkFile('/foo')

        with self.assertRaisesRegexp(ValueError, 'Symlink target not absolute'):
            AbsoluteSymlinkFile('./foo')

    def test_symlink_file(self):
        source = self.tmppath('test_path')
        with open(source, 'wt') as fh:
            fh.write('Hello world')

        s = AbsoluteSymlinkFile(source)
        dest = self.tmppath('symlink')
        self.assertTrue(s.copy(dest))

        if self.symlink_supported:
            self.assertTrue(os.path.islink(dest))
            link = os.readlink(dest)
            self.assertEqual(link, source)
        else:
            self.assertTrue(os.path.isfile(dest))
            content = open(dest).read()
            self.assertEqual(content, 'Hello world')

    def test_replace_file_with_symlink(self):
        # If symlinks are supported, an existing file should be replaced by a
        # symlink.
        source = self.tmppath('test_path')
        with open(source, 'wt') as fh:
            fh.write('source')

        dest = self.tmppath('dest')
        with open(dest, 'a'):
            pass

        s = AbsoluteSymlinkFile(source)
        s.copy(dest, skip_if_older=False)

        if self.symlink_supported:
            self.assertTrue(os.path.islink(dest))
            link = os.readlink(dest)
            self.assertEqual(link, source)
        else:
            self.assertTrue(os.path.isfile(dest))
            content = open(dest).read()
            self.assertEqual(content, 'source')

    def test_replace_symlink(self):
        if not self.symlink_supported:
            return

        source = self.tmppath('source')
        with open(source, 'a'):
            pass

        dest = self.tmppath('dest')

        os.symlink(self.tmppath('bad'), dest)
        self.assertTrue(os.path.islink(dest))

        s = AbsoluteSymlinkFile(source)
        self.assertTrue(s.copy(dest))

        self.assertTrue(os.path.islink(dest))
        link = os.readlink(dest)
        self.assertEqual(link, source)

    def test_noop(self):
        if not hasattr(os, 'symlink'):
            return

        source = self.tmppath('source')
        dest = self.tmppath('dest')

        with open(source, 'a'):
            pass

        os.symlink(source, dest)
        link = os.readlink(dest)
        self.assertEqual(link, source)

        s = AbsoluteSymlinkFile(source)
        self.assertFalse(s.copy(dest))

        link = os.readlink(dest)
        self.assertEqual(link, source)

class TestPreprocessedFile(TestWithTmpDir):
    def test_preprocess(self):
        '''
        Test that copying the file invokes the preprocessor
        '''
        src = self.tmppath('src')
        dest = self.tmppath('dest')

        with open(src, 'wb') as tmp:
            tmp.write('#ifdef FOO\ntest\n#endif')

        f = PreprocessedFile(src, depfile_path=None, marker='#', defines={'FOO': True})
        self.assertTrue(f.copy(dest))

        self.assertEqual('test\n', open(dest, 'rb').read())

    def test_preprocess_file_no_write(self):
        '''
        Test various conditions where PreprocessedFile.copy is expected not to
        write in the destination file.
        '''
        src = self.tmppath('src')
        dest = self.tmppath('dest')
        depfile = self.tmppath('depfile')

        with open(src, 'wb') as tmp:
            tmp.write('#ifdef FOO\ntest\n#endif')

        # Initial copy
        f = PreprocessedFile(src, depfile_path=depfile, marker='#', defines={'FOO': True})
        self.assertTrue(f.copy(dest))

        # Ensure subsequent copies won't trigger writes
        self.assertFalse(f.copy(DestNoWrite(dest)))
        self.assertEqual('test\n', open(dest, 'rb').read())

        # When the source file is older than the destination file, even with
        # different content, no copy should occur.
        with open(src, 'wb') as tmp:
            tmp.write('#ifdef FOO\nfooo\n#endif')
        time = os.path.getmtime(dest) - 1
        os.utime(src, (time, time))
        self.assertFalse(f.copy(DestNoWrite(dest)))
        self.assertEqual('test\n', open(dest, 'rb').read())

        # skip_if_older=False is expected to force a copy in this situation.
        self.assertTrue(f.copy(dest, skip_if_older=False))
        self.assertEqual('fooo\n', open(dest, 'rb').read())

    def test_preprocess_file_dependencies(self):
        '''
        Test that the preprocess runs if the dependencies of the source change
        '''
        src = self.tmppath('src')
        dest = self.tmppath('dest')
        incl = self.tmppath('incl')
        deps = self.tmppath('src.pp')

        with open(src, 'wb') as tmp:
            tmp.write('#ifdef FOO\ntest\n#endif')

        with open(incl, 'wb') as tmp:
            tmp.write('foo bar')

        # Initial copy
        f = PreprocessedFile(src, depfile_path=deps, marker='#', defines={'FOO': True})
        self.assertTrue(f.copy(dest))

        # Update the source so it #includes the include file.
        with open(src, 'wb') as tmp:
            tmp.write('#include incl\n')
        time = os.path.getmtime(dest) + 1
        os.utime(src, (time, time))
        self.assertTrue(f.copy(dest))
        self.assertEqual('foo bar', open(dest, 'rb').read())

        # If one of the dependencies changes, the file should be updated. The
        # mtime of the dependency is set after the destination file, to avoid
        # both files having the same time.
        with open(incl, 'wb') as tmp:
            tmp.write('quux')
        time = os.path.getmtime(dest) + 1
        os.utime(incl, (time, time))
        self.assertTrue(f.copy(dest))
        self.assertEqual('quux', open(dest, 'rb').read())

        # Perform one final copy to confirm that we don't run the preprocessor
        # again. We update the mtime of the destination so it's newer than the
        # input files. This would "just work" if we weren't changing
        time = os.path.getmtime(incl) + 1
        os.utime(dest, (time, time))
        self.assertFalse(f.copy(DestNoWrite(dest)))

    def test_replace_symlink(self):
        '''
        Test that if the destination exists, and is a symlink, the target of
        the symlink is not overwritten by the preprocessor output.
        '''
        if not self.symlink_supported:
            return

        source = self.tmppath('source')
        dest = self.tmppath('dest')
        pp_source = self.tmppath('pp_in')
        deps = self.tmppath('deps')

        with open(source, 'a'):
            pass

        os.symlink(source, dest)
        self.assertTrue(os.path.islink(dest))

        with open(pp_source, 'wb') as tmp:
            tmp.write('#define FOO\nPREPROCESSED')

        f = PreprocessedFile(pp_source, depfile_path=deps, marker='#',
            defines={'FOO': True})
        self.assertTrue(f.copy(dest))

        self.assertEqual('PREPROCESSED', open(dest, 'rb').read())
        self.assertFalse(os.path.islink(dest))
        self.assertEqual('', open(source, 'rb').read())

class TestExistingFile(TestWithTmpDir):
    def test_required_missing_dest(self):
        with self.assertRaisesRegexp(ErrorMessage, 'Required existing file'):
            f = ExistingFile(required=True)
            f.copy(self.tmppath('dest'))

    def test_required_existing_dest(self):
        p = self.tmppath('dest')
        with open(p, 'a'):
            pass

        f = ExistingFile(required=True)
        f.copy(p)

    def test_optional_missing_dest(self):
        f = ExistingFile(required=False)
        f.copy(self.tmppath('dest'))

    def test_optional_existing_dest(self):
        p = self.tmppath('dest')
        with open(p, 'a'):
            pass

        f = ExistingFile(required=False)
        f.copy(p)


class TestGeneratedFile(TestWithTmpDir):
    def test_generated_file(self):
        '''
        Check that GeneratedFile.copy yields the proper content in the
        destination file in all situations that trigger different code paths
        (see TestFile.test_file)
        '''
        dest = self.tmppath('dest')

        for content in samples:
            f = GeneratedFile(content)
            f.copy(dest)
            self.assertEqual(content, open(dest, 'rb').read())

    def test_generated_file_open(self):
        '''
        Test whether GeneratedFile.open returns an appropriately reset file
        object.
        '''
        content = ''.join(samples)
        f = GeneratedFile(content)
        self.assertEqual(content[:42], f.open().read(42))
        self.assertEqual(content, f.open().read())

    def test_generated_file_no_write(self):
        '''
        Test various conditions where GeneratedFile.copy is expected not to
        write in the destination file.
        '''
        dest = self.tmppath('dest')

        # Initial copy
        f = GeneratedFile('test')
        f.copy(dest)

        # Ensure subsequent copies won't trigger writes
        f.copy(DestNoWrite(dest))
        self.assertEqual('test', open(dest, 'rb').read())

        # When using a new instance with the same content, no copy should occur
        f = GeneratedFile('test')
        f.copy(DestNoWrite(dest))
        self.assertEqual('test', open(dest, 'rb').read())

        # Double check that under conditions where a copy occurs, we would get
        # an exception.
        f = GeneratedFile('fooo')
        self.assertRaises(RuntimeError, f.copy, DestNoWrite(dest))


class TestDeflatedFile(TestWithTmpDir):
    def test_deflated_file(self):
        '''
        Check that DeflatedFile.copy yields the proper content in the
        destination file in all situations that trigger different code paths
        (see TestFile.test_file)
        '''
        src = self.tmppath('src.jar')
        dest = self.tmppath('dest')

        contents = {}
        with JarWriter(src) as jar:
            for content in samples:
                name = ''.join(random.choice(string.letters)
                               for i in xrange(8))
                jar.add(name, content, compress=True)
                contents[name] = content

        for j in JarReader(src):
            f = DeflatedFile(j)
            f.copy(dest)
            self.assertEqual(contents[j.filename], open(dest, 'rb').read())

    def test_deflated_file_open(self):
        '''
        Test whether DeflatedFile.open returns an appropriately reset file
        object.
        '''
        src = self.tmppath('src.jar')
        content = ''.join(samples)
        with JarWriter(src) as jar:
            jar.add('content', content)

        f = DeflatedFile(JarReader(src)['content'])
        self.assertEqual(content[:42], f.open().read(42))
        self.assertEqual(content, f.open().read())

    def test_deflated_file_no_write(self):
        '''
        Test various conditions where DeflatedFile.copy is expected not to
        write in the destination file.
        '''
        src = self.tmppath('src.jar')
        dest = self.tmppath('dest')

        with JarWriter(src) as jar:
            jar.add('test', 'test')
            jar.add('test2', 'test')
            jar.add('fooo', 'fooo')

        jar = JarReader(src)
        # Initial copy
        f = DeflatedFile(jar['test'])
        f.copy(dest)

        # Ensure subsequent copies won't trigger writes
        f.copy(DestNoWrite(dest))
        self.assertEqual('test', open(dest, 'rb').read())

        # When using a different file with the same content, no copy should
        # occur
        f = DeflatedFile(jar['test2'])
        f.copy(DestNoWrite(dest))
        self.assertEqual('test', open(dest, 'rb').read())

        # Double check that under conditions where a copy occurs, we would get
        # an exception.
        f = DeflatedFile(jar['fooo'])
        self.assertRaises(RuntimeError, f.copy, DestNoWrite(dest))


class TestManifestFile(TestWithTmpDir):
    def test_manifest_file(self):
        f = ManifestFile('chrome')
        f.add(ManifestContent('chrome', 'global', 'toolkit/content/global/'))
        f.add(ManifestResource('chrome', 'gre-resources', 'toolkit/res/'))
        f.add(ManifestResource('chrome/pdfjs', 'pdfjs', './'))
        f.add(ManifestContent('chrome/pdfjs', 'pdfjs', 'pdfjs'))
        f.add(ManifestLocale('chrome', 'browser', 'en-US',
                             'en-US/locale/browser/'))

        f.copy(self.tmppath('chrome.manifest'))
        self.assertEqual(open(self.tmppath('chrome.manifest')).readlines(), [
            'content global toolkit/content/global/\n',
            'resource gre-resources toolkit/res/\n',
            'resource pdfjs pdfjs/\n',
            'content pdfjs pdfjs/pdfjs\n',
            'locale browser en-US en-US/locale/browser/\n',
        ])

        self.assertRaises(
            ValueError,
            f.remove,
            ManifestContent('', 'global', 'toolkit/content/global/')
        )
        self.assertRaises(
            ValueError,
            f.remove,
            ManifestOverride('chrome', 'chrome://global/locale/netError.dtd',
                             'chrome://browser/locale/netError.dtd')
        )

        f.remove(ManifestContent('chrome', 'global',
                                 'toolkit/content/global/'))
        self.assertRaises(
            ValueError,
            f.remove,
            ManifestContent('chrome', 'global', 'toolkit/content/global/')
        )

        f.copy(self.tmppath('chrome.manifest'))
        content = open(self.tmppath('chrome.manifest')).read()
        self.assertEqual(content[:42], f.open().read(42))
        self.assertEqual(content, f.open().read())

# Compiled typelib for the following IDL:
#     interface foo;
#     [scriptable, uuid(5f70da76-519c-4858-b71e-e3c92333e2d6)]
#     interface bar {
#         void bar(in foo f);
#     };
# We need to make this [scriptable] so it doesn't get deleted from the
# typelib.  We don't need to make the foo interfaces below [scriptable],
# because they will be automatically included by virtue of being an
# argument to a method of |bar|.
bar_xpt = GeneratedFile(
    b'\x58\x50\x43\x4F\x4D\x0A\x54\x79\x70\x65\x4C\x69\x62\x0D\x0A\x1A' +
    b'\x01\x02\x00\x02\x00\x00\x00\x7B\x00\x00\x00\x24\x00\x00\x00\x5C' +
    b'\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' +
    b'\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x5F' +
    b'\x70\xDA\x76\x51\x9C\x48\x58\xB7\x1E\xE3\xC9\x23\x33\xE2\xD6\x00' +
    b'\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x0D\x00\x66\x6F\x6F\x00' +
    b'\x62\x61\x72\x00\x62\x61\x72\x00\x00\x00\x00\x01\x00\x00\x00\x00' +
    b'\x09\x01\x80\x92\x00\x01\x80\x06\x00\x00\x80'
)

# Compiled typelib for the following IDL:
#     [uuid(3271bebc-927e-4bef-935e-44e0aaf3c1e5)]
#     interface foo {
#         void foo();
#     };
foo_xpt = GeneratedFile(
    b'\x58\x50\x43\x4F\x4D\x0A\x54\x79\x70\x65\x4C\x69\x62\x0D\x0A\x1A' +
    b'\x01\x02\x00\x01\x00\x00\x00\x57\x00\x00\x00\x24\x00\x00\x00\x40' +
    b'\x80\x00\x00\x32\x71\xBE\xBC\x92\x7E\x4B\xEF\x93\x5E\x44\xE0\xAA' +
    b'\xF3\xC1\xE5\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x09\x00' +
    b'\x66\x6F\x6F\x00\x66\x6F\x6F\x00\x00\x00\x00\x01\x00\x00\x00\x00' +
    b'\x05\x00\x80\x06\x00\x00\x00'
)

# Compiled typelib for the following IDL:
#     [uuid(7057f2aa-fdc2-4559-abde-08d939f7e80d)]
#     interface foo {
#         void foo();
#     };
foo2_xpt = GeneratedFile(
    b'\x58\x50\x43\x4F\x4D\x0A\x54\x79\x70\x65\x4C\x69\x62\x0D\x0A\x1A' +
    b'\x01\x02\x00\x01\x00\x00\x00\x57\x00\x00\x00\x24\x00\x00\x00\x40' +
    b'\x80\x00\x00\x70\x57\xF2\xAA\xFD\xC2\x45\x59\xAB\xDE\x08\xD9\x39' +
    b'\xF7\xE8\x0D\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x09\x00' +
    b'\x66\x6F\x6F\x00\x66\x6F\x6F\x00\x00\x00\x00\x01\x00\x00\x00\x00' +
    b'\x05\x00\x80\x06\x00\x00\x00'
)


def read_interfaces(file):
    return dict((i.name, i) for i in Typelib.read(file).interfaces)


class TestXPTFile(TestWithTmpDir):
    def test_xpt_file(self):
        x = XPTFile()
        x.add(foo_xpt)
        x.add(bar_xpt)
        x.copy(self.tmppath('interfaces.xpt'))

        foo = read_interfaces(foo_xpt.open())
        foo2 = read_interfaces(foo2_xpt.open())
        bar = read_interfaces(bar_xpt.open())
        linked = read_interfaces(self.tmppath('interfaces.xpt'))
        self.assertEqual(foo['foo'], linked['foo'])
        self.assertEqual(bar['bar'], linked['bar'])

        x.remove(foo_xpt)
        x.copy(self.tmppath('interfaces2.xpt'))
        linked = read_interfaces(self.tmppath('interfaces2.xpt'))
        self.assertEqual(bar['foo'], linked['foo'])
        self.assertEqual(bar['bar'], linked['bar'])

        x.add(foo_xpt)
        x.copy(DestNoWrite(self.tmppath('interfaces.xpt')))
        linked = read_interfaces(self.tmppath('interfaces.xpt'))
        self.assertEqual(foo['foo'], linked['foo'])
        self.assertEqual(bar['bar'], linked['bar'])

        x = XPTFile()
        x.add(foo2_xpt)
        x.add(bar_xpt)
        x.copy(self.tmppath('interfaces.xpt'))
        linked = read_interfaces(self.tmppath('interfaces.xpt'))
        self.assertEqual(foo2['foo'], linked['foo'])
        self.assertEqual(bar['bar'], linked['bar'])

        x = XPTFile()
        x.add(foo_xpt)
        x.add(foo2_xpt)
        x.add(bar_xpt)
        from xpt import DataError
        self.assertRaises(DataError, x.copy, self.tmppath('interfaces.xpt'))


class TestMinifiedProperties(TestWithTmpDir):
    def test_minified_properties(self):
        propLines = [
            '# Comments are removed',
            'foo = bar',
            '',
            '# Another comment',
        ]
        prop = GeneratedFile('\n'.join(propLines))
        self.assertEqual(MinifiedProperties(prop).open().readlines(),
                         ['foo = bar\n', '\n'])
        open(self.tmppath('prop'), 'wb').write('\n'.join(propLines))
        MinifiedProperties(File(self.tmppath('prop'))) \
            .copy(self.tmppath('prop2'))
        self.assertEqual(open(self.tmppath('prop2')).readlines(),
                         ['foo = bar\n', '\n'])


class TestMinifiedJavaScript(TestWithTmpDir):
    orig_lines = [
        '// Comment line',
        'let foo = "bar";',
        'var bar = true;',
        '',
        '// Another comment',
    ]

    def test_minified_javascript(self):
        orig_f = GeneratedFile('\n'.join(self.orig_lines))
        min_f = MinifiedJavaScript(orig_f)

        mini_lines = min_f.open().readlines()
        self.assertTrue(mini_lines)
        self.assertTrue(len(mini_lines) < len(self.orig_lines))

    def _verify_command(self, code):
        our_dir = os.path.abspath(os.path.dirname(__file__))
        return [
            sys.executable,
            os.path.join(our_dir, 'support', 'minify_js_verify.py'),
            code,
        ]

    def test_minified_verify_success(self):
        orig_f = GeneratedFile('\n'.join(self.orig_lines))
        min_f = MinifiedJavaScript(orig_f,
            verify_command=self._verify_command('0'))

        mini_lines = min_f.open().readlines()
        self.assertTrue(mini_lines)
        self.assertTrue(len(mini_lines) < len(self.orig_lines))

    def test_minified_verify_failure(self):
        orig_f = GeneratedFile('\n'.join(self.orig_lines))
        errors.out = StringIO()
        min_f = MinifiedJavaScript(orig_f,
            verify_command=self._verify_command('1'))

        mini_lines = min_f.open().readlines()
        output = errors.out.getvalue()
        errors.out = sys.stderr
        self.assertEqual(output,
            'Warning: JS minification verification failed for <unknown>:\n'
            'Warning: Error message\n')
        self.assertEqual(mini_lines, orig_f.open().readlines())


class MatchTestTemplate(object):
    def prepare_match_test(self, with_dotfiles=False):
        self.add('bar')
        self.add('foo/bar')
        self.add('foo/baz')
        self.add('foo/qux/1')
        self.add('foo/qux/bar')
        self.add('foo/qux/2/test')
        self.add('foo/qux/2/test2')
        if with_dotfiles:
            self.add('foo/.foo')
            self.add('foo/.bar/foo')

    def do_match_test(self):
        self.do_check('', [
            'bar', 'foo/bar', 'foo/baz', 'foo/qux/1', 'foo/qux/bar',
            'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('*', [
            'bar', 'foo/bar', 'foo/baz', 'foo/qux/1', 'foo/qux/bar',
            'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('foo/qux', [
            'foo/qux/1', 'foo/qux/bar', 'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('foo/b*', ['foo/bar', 'foo/baz'])
        self.do_check('baz', [])
        self.do_check('foo/foo', [])
        self.do_check('foo/*ar', ['foo/bar'])
        self.do_check('*ar', ['bar'])
        self.do_check('*/bar', ['foo/bar'])
        self.do_check('foo/*ux', [
            'foo/qux/1', 'foo/qux/bar', 'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('foo/q*ux', [
            'foo/qux/1', 'foo/qux/bar', 'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('foo/*/2/test*', ['foo/qux/2/test', 'foo/qux/2/test2'])
        self.do_check('**/bar', ['bar', 'foo/bar', 'foo/qux/bar'])
        self.do_check('foo/**/test', ['foo/qux/2/test'])
        self.do_check('foo', [
            'foo/bar', 'foo/baz', 'foo/qux/1', 'foo/qux/bar',
            'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('foo/**', [
            'foo/bar', 'foo/baz', 'foo/qux/1', 'foo/qux/bar',
            'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('**/2/test*', ['foo/qux/2/test', 'foo/qux/2/test2'])
        self.do_check('**/foo', [
            'foo/bar', 'foo/baz', 'foo/qux/1', 'foo/qux/bar',
            'foo/qux/2/test', 'foo/qux/2/test2'
        ])
        self.do_check('**/barbaz', [])
        self.do_check('f**/bar', ['foo/bar'])

    def do_finder_test(self, finder):
        self.assertTrue(finder.contains('foo/.foo'))
        self.assertTrue(finder.contains('foo/.bar'))
        self.assertTrue('foo/.foo' in [f for f, c in
                                       finder.find('foo/.foo')])
        self.assertTrue('foo/.bar/foo' in [f for f, c in
                                           finder.find('foo/.bar')])
        self.assertEqual(sorted([f for f, c in finder.find('foo/.*')]),
                         ['foo/.bar/foo', 'foo/.foo'])
        for pattern in ['foo', '**', '**/*', '**/foo', 'foo/*']:
            self.assertFalse('foo/.foo' in [f for f, c in
                                            finder.find(pattern)])
            self.assertFalse('foo/.bar/foo' in [f for f, c in
                                                finder.find(pattern)])
            self.assertEqual(sorted([f for f, c in finder.find(pattern)]),
                             sorted([f for f, c in finder
                                     if mozpath.match(f, pattern)]))


def do_check(test, finder, pattern, result):
    if result:
        test.assertTrue(finder.contains(pattern))
    else:
        test.assertFalse(finder.contains(pattern))
    test.assertEqual(sorted(list(f for f, c in finder.find(pattern))),
                     sorted(result))


class TestFileFinder(MatchTestTemplate, TestWithTmpDir):
    def add(self, path):
        ensureParentDir(self.tmppath(path))
        open(self.tmppath(path), 'wb').write(path)

    def do_check(self, pattern, result):
        do_check(self, self.finder, pattern, result)

    def test_file_finder(self):
        self.prepare_match_test(with_dotfiles=True)
        self.finder = FileFinder(self.tmpdir)
        self.do_match_test()
        self.do_finder_test(self.finder)

    def test_get(self):
        self.prepare_match_test()
        finder = FileFinder(self.tmpdir)

        self.assertIsNone(finder.get('does-not-exist'))
        res = finder.get('bar')
        self.assertIsInstance(res, File)
        self.assertEqual(mozpath.normpath(res.path),
                         mozpath.join(self.tmpdir, 'bar'))

    def test_ignored_dirs(self):
        """Ignored directories should not have results returned."""
        self.prepare_match_test()
        self.add('fooz')

        # Present to ensure prefix matching doesn't exclude.
        self.add('foo/quxz')

        self.finder = FileFinder(self.tmpdir, ignore=['foo/qux'])

        self.do_check('**', ['bar', 'foo/bar', 'foo/baz', 'foo/quxz', 'fooz'])
        self.do_check('foo/*', ['foo/bar', 'foo/baz', 'foo/quxz'])
        self.do_check('foo/**', ['foo/bar', 'foo/baz', 'foo/quxz'])
        self.do_check('foo/qux/**', [])
        self.do_check('foo/qux/*', [])
        self.do_check('foo/qux/bar', [])
        self.do_check('foo/quxz', ['foo/quxz'])
        self.do_check('fooz', ['fooz'])

    def test_ignored_files(self):
        """Ignored files should not have results returned."""
        self.prepare_match_test()

        # Be sure prefix match doesn't get ignored.
        self.add('barz')

        self.finder = FileFinder(self.tmpdir, ignore=['foo/bar', 'bar'])
        self.do_check('**', ['barz', 'foo/baz', 'foo/qux/1', 'foo/qux/2/test',
            'foo/qux/2/test2', 'foo/qux/bar'])
        self.do_check('foo/**', ['foo/baz', 'foo/qux/1', 'foo/qux/2/test',
            'foo/qux/2/test2', 'foo/qux/bar'])

    def test_ignored_patterns(self):
        """Ignore entries with patterns should be honored."""
        self.prepare_match_test()

        self.add('foo/quxz')

        self.finder = FileFinder(self.tmpdir, ignore=['foo/qux/*'])
        self.do_check('**', ['foo/bar', 'foo/baz', 'foo/quxz', 'bar'])
        self.do_check('foo/**', ['foo/bar', 'foo/baz', 'foo/quxz'])

    def test_dotfiles(self):
        """Finder can find files beginning with . is configured."""
        self.prepare_match_test(with_dotfiles=True)
        self.finder = FileFinder(self.tmpdir, find_dotfiles=True)
        self.do_check('**', ['bar', 'foo/.foo', 'foo/.bar/foo',
            'foo/bar', 'foo/baz', 'foo/qux/1', 'foo/qux/bar',
            'foo/qux/2/test', 'foo/qux/2/test2'])

    def test_dotfiles_plus_ignore(self):
        self.prepare_match_test(with_dotfiles=True)
        self.finder = FileFinder(self.tmpdir, find_dotfiles=True,
                                 ignore=['foo/.bar/**'])
        self.do_check('foo/**', ['foo/.foo', 'foo/bar', 'foo/baz',
            'foo/qux/1', 'foo/qux/bar', 'foo/qux/2/test', 'foo/qux/2/test2'])


class TestJarFinder(MatchTestTemplate, TestWithTmpDir):
    def add(self, path):
        self.jar.add(path, path, compress=True)

    def do_check(self, pattern, result):
        do_check(self, self.finder, pattern, result)

    def test_jar_finder(self):
        self.jar = JarWriter(file=self.tmppath('test.jar'))
        self.prepare_match_test()
        self.jar.finish()
        reader = JarReader(file=self.tmppath('test.jar'))
        self.finder = JarFinder(self.tmppath('test.jar'), reader)
        self.do_match_test()

        self.assertIsNone(self.finder.get('does-not-exist'))
        self.assertIsInstance(self.finder.get('bar'), DeflatedFile)

class TestTarFinder(MatchTestTemplate, TestWithTmpDir):
    def add(self, path):
        self.tar.addfile(tarfile.TarInfo(name=path))

    def do_check(self, pattern, result):
        do_check(self, self.finder, pattern, result)

    def test_tar_finder(self):
        self.tar = tarfile.open(name=self.tmppath('test.tar.bz2'),
                                mode='w:bz2')
        self.prepare_match_test()
        self.tar.close()
        with tarfile.open(name=self.tmppath('test.tar.bz2'),
                          mode='r:bz2') as tarreader:
            self.finder = TarFinder(self.tmppath('test.tar.bz2'), tarreader)
            self.do_match_test()

            self.assertIsNone(self.finder.get('does-not-exist'))
            self.assertIsInstance(self.finder.get('bar'), ExtractedTarFile)


class TestComposedFinder(MatchTestTemplate, TestWithTmpDir):
    def add(self, path, content=None):
        # Put foo/qux files under $tmp/b.
        if path.startswith('foo/qux/'):
            real_path = mozpath.join('b', path[8:])
        else:
            real_path = mozpath.join('a', path)
        ensureParentDir(self.tmppath(real_path))
        if not content:
            content = path
        open(self.tmppath(real_path), 'wb').write(content)

    def do_check(self, pattern, result):
        if '*' in pattern:
            return
        do_check(self, self.finder, pattern, result)

    def test_composed_finder(self):
        self.prepare_match_test()
        # Also add files in $tmp/a/foo/qux because ComposedFinder is
        # expected to mask foo/qux entirely with content from $tmp/b.
        ensureParentDir(self.tmppath('a/foo/qux/hoge'))
        open(self.tmppath('a/foo/qux/hoge'), 'wb').write('hoge')
        open(self.tmppath('a/foo/qux/bar'), 'wb').write('not the right content')
        self.finder = ComposedFinder({
            '': FileFinder(self.tmppath('a')),
            'foo/qux': FileFinder(self.tmppath('b')),
        })
        self.do_match_test()

        self.assertIsNone(self.finder.get('does-not-exist'))
        self.assertIsInstance(self.finder.get('bar'), File)


@unittest.skipUnless(hglib, 'hglib not available')
class TestMercurialRevisionFinder(MatchTestTemplate, TestWithTmpDir):
    def setUp(self):
        super(TestMercurialRevisionFinder, self).setUp()
        hglib.init(self.tmpdir)

    def add(self, path):
        c = hglib.open(self.tmpdir)
        ensureParentDir(self.tmppath(path))
        with open(self.tmppath(path), 'wb') as fh:
            fh.write(path)
        c.add(self.tmppath(path))

    def do_check(self, pattern, result):
        do_check(self, self.finder, pattern, result)

    def _get_finder(self, *args, **kwargs):
        return MercurialRevisionFinder(*args, **kwargs)

    def test_default_revision(self):
        self.prepare_match_test()
        c = hglib.open(self.tmpdir)
        c.commit('initial commit')
        self.finder = self._get_finder(self.tmpdir)
        self.do_match_test()

        self.assertIsNone(self.finder.get('does-not-exist'))
        self.assertIsInstance(self.finder.get('bar'), MercurialFile)

    def test_old_revision(self):
        c = hglib.open(self.tmpdir)
        with open(self.tmppath('foo'), 'wb') as fh:
            fh.write('foo initial')
        c.add(self.tmppath('foo'))
        c.commit('initial')

        with open(self.tmppath('foo'), 'wb') as fh:
            fh.write('foo second')
        with open(self.tmppath('bar'), 'wb') as fh:
            fh.write('bar second')
        c.add(self.tmppath('bar'))
        c.commit('second')
        # This wipes out the working directory, ensuring the finder isn't
        # finding anything from the filesystem.
        c.rawcommand(['update', 'null'])

        finder = self._get_finder(self.tmpdir, 0)
        f = finder.get('foo')
        self.assertEqual(f.read(), 'foo initial')
        self.assertEqual(f.read(), 'foo initial', 'read again for good measure')
        self.assertIsNone(finder.get('bar'))

        finder = MercurialRevisionFinder(self.tmpdir, rev=1)
        f = finder.get('foo')
        self.assertEqual(f.read(), 'foo second')
        f = finder.get('bar')
        self.assertEqual(f.read(), 'bar second')

    def test_recognize_repo_paths(self):
        c = hglib.open(self.tmpdir)
        with open(self.tmppath('foo'), 'wb') as fh:
            fh.write('initial')
        c.add(self.tmppath('foo'))
        c.commit('initial')
        c.rawcommand(['update', 'null'])

        finder = self._get_finder(self.tmpdir, 0,
                                  recognize_repo_paths=True)
        with self.assertRaises(NotImplementedError):
            list(finder.find(''))

        with self.assertRaises(ValueError):
            finder.get('foo')
        with self.assertRaises(ValueError):
            finder.get('')

        f = finder.get(self.tmppath('foo'))
        self.assertIsInstance(f, MercurialFile)
        self.assertEqual(f.read(), 'initial')


@unittest.skipUnless(MercurialNativeRevisionFinder, 'hgnative not available')
class TestMercurialNativeRevisionFinder(TestMercurialRevisionFinder):
    def _get_finder(self, *args, **kwargs):
        return MercurialNativeRevisionFinder(*args, **kwargs)


if __name__ == '__main__':
    mozunit.main()