summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_zipfile.py
blob: ef3987ab39632551d4ab8698e224ef75073c6503 (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
# We can test part of the module without zlib.
try:
    import zlib
except ImportError:
    zlib = None
import zipfile, os, unittest, sys, shutil, struct, io

from tempfile import TemporaryFile
from random import randint, random

import test.test_support as support
from test.test_support import TESTFN, run_unittest

TESTFN2 = TESTFN + "2"
FIXEDTEST_SIZE = 1000

class TestsWithSourceFile(unittest.TestCase):
    def setUp(self):
        self.line_gen = (bytes("Zipfile test line %d. random float: %f" %
                               (i, random()))
                         for i in range(FIXEDTEST_SIZE))
        self.data = b'\n'.join(self.line_gen) + b'\n'

        # Make a source file with some lines
        fp = open(TESTFN, "wb")
        fp.write(self.data)
        fp.close()

    def makeTestArchive(self, f, compression):
        # Create the ZIP archive
        zipfp = zipfile.ZipFile(f, "w", compression)
        zipfp.write(TESTFN, "another.name")
        zipfp.write(TESTFN, TESTFN)
        zipfp.writestr("strfile", self.data)
        zipfp.close()

    def zipTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r", compression)
        self.assertEqual(zipfp.read(TESTFN), self.data)
        self.assertEqual(zipfp.read("another.name"), self.data)
        self.assertEqual(zipfp.read("strfile"), self.data)

        # Print the ZIP directory
        fp = io.StringIO()
        zipfp.printdir(file=fp)

        directory = fp.getvalue()
        lines = directory.splitlines()
        self.assertEquals(len(lines), 4) # Number of files + header

        self.assert_('File Name' in lines[0])
        self.assert_('Modified' in lines[0])
        self.assert_('Size' in lines[0])

        fn, date, time, size = lines[1].split()
        self.assertEquals(fn, 'another.name')
        # XXX: timestamp is not tested
        self.assertEquals(size, str(len(self.data)))

        # Check the namelist
        names = zipfp.namelist()
        self.assertEquals(len(names), 3)
        self.assert_(TESTFN in names)
        self.assert_("another.name" in names)
        self.assert_("strfile" in names)

        # Check infolist
        infos = zipfp.infolist()
        names = [ i.filename for i in infos ]
        self.assertEquals(len(names), 3)
        self.assert_(TESTFN in names)
        self.assert_("another.name" in names)
        self.assert_("strfile" in names)
        for i in infos:
            self.assertEquals(i.file_size, len(self.data))

        # check getinfo
        for nm in (TESTFN, "another.name", "strfile"):
            info = zipfp.getinfo(nm)
            self.assertEquals(info.filename, nm)
            self.assertEquals(info.file_size, len(self.data))

        # Check that testzip doesn't raise an exception
        zipfp.testzip()
        zipfp.close()

    def testStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipTest(f, zipfile.ZIP_STORED)

    def zipOpenTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r", compression)
        zipdata1 = []
        zipopen1 = zipfp.open(TESTFN)
        while 1:
            read_data = zipopen1.read(256)
            if not read_data:
                break
            zipdata1.append(read_data)

        zipdata2 = []
        zipopen2 = zipfp.open("another.name")
        while 1:
            read_data = zipopen2.read(256)
            if not read_data:
                break
            zipdata2.append(read_data)

        self.assertEqual(b''.join(zipdata1), self.data)
        self.assertEqual(b''.join(zipdata2), self.data)
        zipfp.close()

    def testOpenStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipOpenTest(f, zipfile.ZIP_STORED)

    def zipRandomOpenTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r", compression)
        zipdata1 = []
        zipopen1 = zipfp.open(TESTFN)
        while 1:
            read_data = zipopen1.read(randint(1, 1024))
            if not read_data:
                break
            zipdata1.append(read_data)

        self.assertEqual(b''.join(zipdata1), self.data)
        zipfp.close()

    def testRandomOpenStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipRandomOpenTest(f, zipfile.ZIP_STORED)

    def zipReadlineTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r")
        zipopen = zipfp.open(TESTFN)
        for line in self.line_gen:
            linedata = zipopen.readline()
            self.assertEqual(linedata, line + '\n')

        zipfp.close()

    def zipReadlinesTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r")
        ziplines = zipfp.open(TESTFN).readlines()
        for line, zipline in zip(self.line_gen, ziplines):
            self.assertEqual(zipline, line + '\n')

        zipfp.close()

    def zipIterlinesTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r")
        for line, zipline in zip(self.line_gen, zipfp.open(TESTFN)):
            self.assertEqual(zipline, line + '\n')

        zipfp.close()

    def testReadlineStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipReadlineTest(f, zipfile.ZIP_STORED)

    def testReadlinesStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipReadlinesTest(f, zipfile.ZIP_STORED)

    def testIterlinesStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipIterlinesTest(f, zipfile.ZIP_STORED)

    if zlib:
        def testDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.zipTest(f, zipfile.ZIP_DEFLATED)

        def testOpenDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.zipOpenTest(f, zipfile.ZIP_DEFLATED)

        def testRandomOpenDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.zipRandomOpenTest(f, zipfile.ZIP_DEFLATED)

        def testReadlineDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.zipReadlineTest(f, zipfile.ZIP_DEFLATED)

        def testReadlinesDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.zipReadlinesTest(f, zipfile.ZIP_DEFLATED)

        def testIterlinesDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.zipIterlinesTest(f, zipfile.ZIP_DEFLATED)

        def testLowCompression(self):
            # Checks for cases where compressed data is larger than original
            # Create the ZIP archive
            zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_DEFLATED)
            zipfp.writestr("strfile", '12')
            zipfp.close()

            # Get an open object for strfile
            zipfp = zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_DEFLATED)
            openobj = zipfp.open("strfile")
            self.assertEqual(openobj.read(1), b'1')
            self.assertEqual(openobj.read(1), b'2')

    def testAbsoluteArcnames(self):
        zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED)
        zipfp.write(TESTFN, "/absolute")
        zipfp.close()

        zipfp = zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED)
        self.assertEqual(zipfp.namelist(), ["absolute"])
        zipfp.close()

    def testAppendToZipFile(self):
        # Test appending to an existing zipfile
        zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED)
        zipfp.write(TESTFN, TESTFN)
        zipfp.close()
        zipfp = zipfile.ZipFile(TESTFN2, "a", zipfile.ZIP_STORED)
        zipfp.writestr("strfile", self.data)
        self.assertEqual(zipfp.namelist(), [TESTFN, "strfile"])
        zipfp.close()

    def testAppendToNonZipFile(self):
        # Test appending to an existing file that is not a zipfile
        # NOTE: this test fails if len(d) < 22 because of the first
        # line "fpin.seek(-22, 2)" in _EndRecData
        d = 'I am not a ZipFile!'*10
        f = open(TESTFN2, 'wb')
        f.write(d)
        f.close()
        zipfp = zipfile.ZipFile(TESTFN2, "a", zipfile.ZIP_STORED)
        zipfp.write(TESTFN, TESTFN)
        zipfp.close()

        f = open(TESTFN2, 'rb')
        f.seek(len(d))
        zipfp = zipfile.ZipFile(f, "r")
        self.assertEqual(zipfp.namelist(), [TESTFN])
        zipfp.close()
        f.close()

    def test_WriteDefaultName(self):
        # Check that calling ZipFile.write without arcname specified produces the expected result
        zipfp = zipfile.ZipFile(TESTFN2, "w")
        zipfp.write(TESTFN)
        self.assertEqual(zipfp.read(TESTFN), open(TESTFN, "rb").read())
        zipfp.close()

    def test_PerFileCompression(self):
        # Check that files within a Zip archive can have different compression options
        zipfp = zipfile.ZipFile(TESTFN2, "w")
        zipfp.write(TESTFN, 'storeme', zipfile.ZIP_STORED)
        zipfp.write(TESTFN, 'deflateme', zipfile.ZIP_DEFLATED)
        sinfo = zipfp.getinfo('storeme')
        dinfo = zipfp.getinfo('deflateme')
        self.assertEqual(sinfo.compress_type, zipfile.ZIP_STORED)
        self.assertEqual(dinfo.compress_type, zipfile.ZIP_DEFLATED)
        zipfp.close()

    def test_WriteToReadonly(self):
        # Check that trying to call write() on a readonly ZipFile object
        # raises a RuntimeError
        zipf = zipfile.ZipFile(TESTFN2, mode="w")
        zipf.writestr("somefile.txt", "bogus")
        zipf.close()
        zipf = zipfile.ZipFile(TESTFN2, mode="r")
        self.assertRaises(RuntimeError, zipf.write, TESTFN)
        zipf.close()

    def tearDown(self):
        os.remove(TESTFN)
        os.remove(TESTFN2)

class TestZip64InSmallFiles(unittest.TestCase):
    # These tests test the ZIP64 functionality without using large files,
    # see test_zipfile64 for proper tests.

    def setUp(self):
        self._limit = zipfile.ZIP64_LIMIT
        zipfile.ZIP64_LIMIT = 5

        line_gen = (bytes("Test of zipfile line %d." % i)
                    for i in range(0, FIXEDTEST_SIZE))
        self.data = b'\n'.join(line_gen)

        # Make a source file with some lines
        fp = open(TESTFN, "wb")
        fp.write(self.data)
        fp.close()

    def largeFileExceptionTest(self, f, compression):
        zipfp = zipfile.ZipFile(f, "w", compression)
        self.assertRaises(zipfile.LargeZipFile,
                zipfp.write, TESTFN, "another.name")
        zipfp.close()

    def largeFileExceptionTest2(self, f, compression):
        zipfp = zipfile.ZipFile(f, "w", compression)
        self.assertRaises(zipfile.LargeZipFile,
                zipfp.writestr, "another.name", self.data)
        zipfp.close()

    def testLargeFileException(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.largeFileExceptionTest(f, zipfile.ZIP_STORED)
            self.largeFileExceptionTest2(f, zipfile.ZIP_STORED)

    def zipTest(self, f, compression):
        # Create the ZIP archive
        zipfp = zipfile.ZipFile(f, "w", compression, allowZip64=True)
        zipfp.write(TESTFN, "another.name")
        zipfp.write(TESTFN, TESTFN)
        zipfp.writestr("strfile", self.data)
        zipfp.close()

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r", compression)
        self.assertEqual(zipfp.read(TESTFN), self.data)
        self.assertEqual(zipfp.read("another.name"), self.data)
        self.assertEqual(zipfp.read("strfile"), self.data)

        # Print the ZIP directory
        fp = io.StringIO()
        zipfp.printdir(fp)

        directory = fp.getvalue()
        lines = directory.splitlines()
        self.assertEquals(len(lines), 4) # Number of files + header

        self.assert_('File Name' in lines[0])
        self.assert_('Modified' in lines[0])
        self.assert_('Size' in lines[0])

        fn, date, time, size = lines[1].split()
        self.assertEquals(fn, 'another.name')
        # XXX: timestamp is not tested
        self.assertEquals(size, str(len(self.data)))

        # Check the namelist
        names = zipfp.namelist()
        self.assertEquals(len(names), 3)
        self.assert_(TESTFN in names)
        self.assert_("another.name" in names)
        self.assert_("strfile" in names)

        # Check infolist
        infos = zipfp.infolist()
        names = [ i.filename for i in infos ]
        self.assertEquals(len(names), 3)
        self.assert_(TESTFN in names)
        self.assert_("another.name" in names)
        self.assert_("strfile" in names)
        for i in infos:
            self.assertEquals(i.file_size, len(self.data))

        # check getinfo
        for nm in (TESTFN, "another.name", "strfile"):
            info = zipfp.getinfo(nm)
            self.assertEquals(info.filename, nm)
            self.assertEquals(info.file_size, len(self.data))

        # Check that testzip doesn't raise an exception
        zipfp.testzip()


        zipfp.close()

    def testStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipTest(f, zipfile.ZIP_STORED)


    if zlib:
        def testDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.zipTest(f, zipfile.ZIP_DEFLATED)

    def testAbsoluteArcnames(self):
        zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_STORED, allowZip64=True)
        zipfp.write(TESTFN, "/absolute")
        zipfp.close()

        zipfp = zipfile.ZipFile(TESTFN2, "r", zipfile.ZIP_STORED)
        self.assertEqual(zipfp.namelist(), ["absolute"])
        zipfp.close()

    def tearDown(self):
        zipfile.ZIP64_LIMIT = self._limit
        os.remove(TESTFN)
        os.remove(TESTFN2)

class PyZipFileTests(unittest.TestCase):
    def testWritePyfile(self):
        zipfp  = zipfile.PyZipFile(TemporaryFile(), "w")
        fn = __file__
        if fn.endswith('.pyc') or fn.endswith('.pyo'):
            fn = fn[:-1]

        zipfp.writepy(fn)

        bn = os.path.basename(fn)
        self.assert_(bn not in zipfp.namelist())
        self.assert_(bn + 'o' in zipfp.namelist() or bn + 'c' in zipfp.namelist())
        zipfp.close()


        zipfp  = zipfile.PyZipFile(TemporaryFile(), "w")
        fn = __file__
        if fn.endswith('.pyc') or fn.endswith('.pyo'):
            fn = fn[:-1]

        zipfp.writepy(fn, "testpackage")

        bn = "%s/%s"%("testpackage", os.path.basename(fn))
        self.assert_(bn not in zipfp.namelist())
        self.assert_(bn + 'o' in zipfp.namelist() or bn + 'c' in zipfp.namelist())
        zipfp.close()

    def testWritePythonPackage(self):
        import email
        packagedir = os.path.dirname(email.__file__)

        zipfp  = zipfile.PyZipFile(TemporaryFile(), "w")
        zipfp.writepy(packagedir)

        # Check for a couple of modules at different levels of the hieararchy
        names = zipfp.namelist()
        self.assert_('email/__init__.pyo' in names or 'email/__init__.pyc' in names)
        self.assert_('email/mime/text.pyo' in names or 'email/mime/text.pyc' in names)

    def testWritePythonDirectory(self):
        os.mkdir(TESTFN2)
        try:
            fp = open(os.path.join(TESTFN2, "mod1.py"), "w")
            fp.write("print(42)\n")
            fp.close()

            fp = open(os.path.join(TESTFN2, "mod2.py"), "w")
            fp.write("print(42 * 42)\n")
            fp.close()

            fp = open(os.path.join(TESTFN2, "mod2.txt"), "w")
            fp.write("bla bla bla\n")
            fp.close()

            zipfp  = zipfile.PyZipFile(TemporaryFile(), "w")
            zipfp.writepy(TESTFN2)

            names = zipfp.namelist()
            self.assert_('mod1.pyc' in names or 'mod1.pyo' in names)
            self.assert_('mod2.pyc' in names or 'mod2.pyo' in names)
            self.assert_('mod2.txt' not in names)

        finally:
            shutil.rmtree(TESTFN2)

    def testWriteNonPyfile(self):
        zipfp  = zipfile.PyZipFile(TemporaryFile(), "w")
        open(TESTFN, 'w').write('most definitely not a python file')
        self.assertRaises(RuntimeError, zipfp.writepy, TESTFN)
        os.remove(TESTFN)


class OtherTests(unittest.TestCase):
    def testCreateNonExistentFileForAppend(self):
        if os.path.exists(TESTFN):
            os.unlink(TESTFN)

        filename = 'testfile.txt'
        content = b'hello, world. this is some content.'

        try:
            zf = zipfile.ZipFile(TESTFN, 'a')
            zf.writestr(filename, content)
            zf.close()
        except IOError:
            self.fail('Could not append data to a non-existent zip file.')

        self.assert_(os.path.exists(TESTFN))

        zf = zipfile.ZipFile(TESTFN, 'r')
        self.assertEqual(zf.read(filename), content)
        zf.close()

    def testCloseErroneousFile(self):
        # This test checks that the ZipFile constructor closes the file object
        # it opens if there's an error in the file.  If it doesn't, the traceback
        # holds a reference to the ZipFile object and, indirectly, the file object.
        # On Windows, this causes the os.unlink() call to fail because the
        # underlying file is still open.  This is SF bug #412214.
        #
        fp = open(TESTFN, "w")
        fp.write("this is not a legal zip file\n")
        fp.close()
        try:
            zf = zipfile.ZipFile(TESTFN)
        except zipfile.BadZipfile:
            pass

    def testIsZipErroneousFile(self):
        # This test checks that the is_zipfile function correctly identifies
        # a file that is not a zip file
        fp = open(TESTFN, "w")
        fp.write("this is not a legal zip file\n")
        fp.close()
        chk = zipfile.is_zipfile(TESTFN)
        self.assert_(chk is False)

    def testIsZipValidFile(self):
        # This test checks that the is_zipfile function correctly identifies
        # a file that is a zip file
        zipf = zipfile.ZipFile(TESTFN, mode="w")
        zipf.writestr("foo.txt", b"O, for a Muse of Fire!")
        zipf.close()
        chk = zipfile.is_zipfile(TESTFN)
        self.assert_(chk is True)

    def testNonExistentFileRaisesIOError(self):
        # make sure we don't raise an AttributeError when a partially-constructed
        # ZipFile instance is finalized; this tests for regression on SF tracker
        # bug #403871.

        # The bug we're testing for caused an AttributeError to be raised
        # when a ZipFile instance was created for a file that did not
        # exist; the .fp member was not initialized but was needed by the
        # __del__() method.  Since the AttributeError is in the __del__(),
        # it is ignored, but the user should be sufficiently annoyed by
        # the message on the output that regression will be noticed
        # quickly.
        self.assertRaises(IOError, zipfile.ZipFile, TESTFN)

    def testClosedZipRaisesRuntimeError(self):
        # Verify that testzip() doesn't swallow inappropriate exceptions.
        data = io.BytesIO()
        zipf = zipfile.ZipFile(data, mode="w")
        zipf.writestr("foo.txt", "O, for a Muse of Fire!")
        zipf.close()

        # This is correct; calling .read on a closed ZipFile should throw
        # a RuntimeError, and so should calling .testzip.  An earlier
        # version of .testzip would swallow this exception (and any other)
        # and report that the first file in the archive was corrupt.
        self.assertRaises(RuntimeError, zipf.read, "foo.txt")
        self.assertRaises(RuntimeError, zipf.open, "foo.txt")
        self.assertRaises(RuntimeError, zipf.testzip)
        self.assertRaises(RuntimeError, zipf.writestr, "bogus.txt", "bogus")
        open(TESTFN, 'w').write('zipfile test data')
        self.assertRaises(RuntimeError, zipf.write, TESTFN)

    def test_BadConstructorMode(self):
        # Check that bad modes passed to ZipFile constructor are caught
        self.assertRaises(RuntimeError, zipfile.ZipFile, TESTFN, "q")

    def test_BadOpenMode(self):
        # Check that bad modes passed to ZipFile.open are caught
        zipf = zipfile.ZipFile(TESTFN, mode="w")
        zipf.writestr("foo.txt", "O, for a Muse of Fire!")
        zipf.close()
        zipf = zipfile.ZipFile(TESTFN, mode="r")
        # read the data to make sure the file is there
        zipf.read("foo.txt")
        self.assertRaises(RuntimeError, zipf.open, "foo.txt", "q")
        zipf.close()

    def test_Read0(self):
        # Check that calling read(0) on a ZipExtFile object returns an empty
        # string and doesn't advance file pointer
        zipf = zipfile.ZipFile(TESTFN, mode="w")
        zipf.writestr("foo.txt", "O, for a Muse of Fire!")
        # read the data to make sure the file is there
        f = zipf.open("foo.txt")
        for i in range(FIXEDTEST_SIZE):
            self.assertEqual(f.read(0), b'')

        self.assertEqual(f.read(), b"O, for a Muse of Fire!")
        zipf.close()

    def test_OpenNonexistentItem(self):
        # Check that attempting to call open() for an item that doesn't
        # exist in the archive raises a RuntimeError
        zipf = zipfile.ZipFile(TESTFN, mode="w")
        self.assertRaises(KeyError, zipf.open, "foo.txt", "r")

    def test_BadCompressionMode(self):
        # Check that bad compression methods passed to ZipFile.open are caught
        self.assertRaises(RuntimeError, zipfile.ZipFile, TESTFN, "w", -1)

    def test_NullByteInFilename(self):
        # Check that a filename containing a null byte is properly terminated
        zipf = zipfile.ZipFile(TESTFN, mode="w")
        zipf.writestr("foo.txt\x00qqq", b"O, for a Muse of Fire!")
        self.assertEqual(zipf.namelist(), ['foo.txt'])

    def tearDown(self):
        support.unlink(TESTFN)
        support.unlink(TESTFN2)

class DecryptionTests(unittest.TestCase):
    # This test checks that ZIP decryption works. Since the library does not
    # support encryption at the moment, we use a pre-generated encrypted
    # ZIP file

    data = (
    b'PK\x03\x04\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00\x1a\x00'
    b'\x00\x00\x08\x00\x00\x00test.txt\xfa\x10\xa0gly|\xfa-\xc5\xc0=\xf9y'
    b'\x18\xe0\xa8r\xb3Z}Lg\xbc\xae\xf9|\x9b\x19\xe4\x8b\xba\xbb)\x8c\xb0\xdbl'
    b'PK\x01\x02\x14\x00\x14\x00\x01\x00\x00\x00n\x92i.#y\xef?&\x00\x00\x00'
    b'\x1a\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x01\x00 \x00\xb6\x81'
    b'\x00\x00\x00\x00test.txtPK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x006\x00'
    b'\x00\x00L\x00\x00\x00\x00\x00' )

    plain = b'zipfile.py encryption test'

    def setUp(self):
        fp = open(TESTFN, "wb")
        fp.write(self.data)
        fp.close()
        self.zip = zipfile.ZipFile(TESTFN, "r")

    def tearDown(self):
        self.zip.close()
        os.unlink(TESTFN)

    def testNoPassword(self):
        # Reading the encrypted file without password
        # must generate a RunTime exception
        self.assertRaises(RuntimeError, self.zip.read, "test.txt")

    def testBadPassword(self):
        self.zip.setpassword(b"perl")
        self.assertRaises(RuntimeError, self.zip.read, "test.txt")

    def testGoodPassword(self):
        self.zip.setpassword(b"python")
        self.assertEquals(self.zip.read("test.txt"), self.plain)


class TestsWithRandomBinaryFiles(unittest.TestCase):
    def setUp(self):
        datacount = randint(16, 64)*1024 + randint(1, 1024)
        self.data = b''.join(struct.pack('<f', random()*randint(-1000, 1000))
                             for i in range(datacount))

        # Make a source file with some lines
        fp = open(TESTFN, "wb")
        fp.write(self.data)
        fp.close()

    def tearDown(self):
        support.unlink(TESTFN)
        support.unlink(TESTFN2)

    def makeTestArchive(self, f, compression):
        # Create the ZIP archive
        zipfp = zipfile.ZipFile(f, "w", compression)
        zipfp.write(TESTFN, "another.name")
        zipfp.write(TESTFN, TESTFN)
        zipfp.close()

    def zipTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r", compression)
        testdata = zipfp.read(TESTFN)
        self.assertEqual(len(testdata), len(self.data))
        self.assertEqual(testdata, self.data)
        self.assertEqual(zipfp.read("another.name"), self.data)
        zipfp.close()

    def testStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipTest(f, zipfile.ZIP_STORED)

    def zipOpenTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r", compression)
        zipdata1 = []
        zipopen1 = zipfp.open(TESTFN)
        while 1:
            read_data = zipopen1.read(256)
            if not read_data:
                break
            zipdata1.append(read_data)

        zipdata2 = []
        zipopen2 = zipfp.open("another.name")
        while 1:
            read_data = zipopen2.read(256)
            if not read_data:
                break
            zipdata2.append(read_data)

        testdata1 = b''.join(zipdata1)
        self.assertEqual(len(testdata1), len(self.data))
        self.assertEqual(testdata1, self.data)

        testdata2 = b''.join(zipdata2)
        self.assertEqual(len(testdata1), len(self.data))
        self.assertEqual(testdata1, self.data)
        zipfp.close()

    def testOpenStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipOpenTest(f, zipfile.ZIP_STORED)

    def zipRandomOpenTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r", compression)
        zipdata1 = []
        zipopen1 = zipfp.open(TESTFN)
        while 1:
            read_data = zipopen1.read(randint(1, 1024))
            if not read_data:
                break
            zipdata1.append(read_data)

        testdata = b''.join(zipdata1)
        self.assertEqual(len(testdata), len(self.data))
        self.assertEqual(testdata, self.data)
        zipfp.close()

    def testRandomOpenStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.zipRandomOpenTest(f, zipfile.ZIP_STORED)

class TestsWithMultipleOpens(unittest.TestCase):
    def setUp(self):
        # Create the ZIP archive
        zipfp = zipfile.ZipFile(TESTFN2, "w", zipfile.ZIP_DEFLATED)
        zipfp.writestr('ones', '1'*FIXEDTEST_SIZE)
        zipfp.writestr('twos', '2'*FIXEDTEST_SIZE)
        zipfp.close()

    def testSameFile(self):
        # Verify that (when the ZipFile is in control of creating file objects)
        # multiple open() calls can be made without interfering with each other.
        zipf = zipfile.ZipFile(TESTFN2, mode="r")
        zopen1 = zipf.open('ones')
        zopen2 = zipf.open('ones')
        data1 = zopen1.read(500)
        data2 = zopen2.read(500)
        data1 += zopen1.read(500)
        data2 += zopen2.read(500)
        self.assertEqual(data1, data2)
        zipf.close()

    def testDifferentFile(self):
        # Verify that (when the ZipFile is in control of creating file objects)
        # multiple open() calls can be made without interfering with each other.
        zipf = zipfile.ZipFile(TESTFN2, mode="r")
        zopen1 = zipf.open('ones')
        zopen2 = zipf.open('twos')
        data1 = zopen1.read(500)
        data2 = zopen2.read(500)
        data1 += zopen1.read(500)
        data2 += zopen2.read(500)
        self.assertEqual(data1, b'1'*FIXEDTEST_SIZE)
        self.assertEqual(data2, b'2'*FIXEDTEST_SIZE)
        zipf.close()

    def testInterleaved(self):
        # Verify that (when the ZipFile is in control of creating file objects)
        # multiple open() calls can be made without interfering with each other.
        zipf = zipfile.ZipFile(TESTFN2, mode="r")
        zopen1 = zipf.open('ones')
        data1 = zopen1.read(500)
        zopen2 = zipf.open('twos')
        data2 = zopen2.read(500)
        data1 += zopen1.read(500)
        data2 += zopen2.read(500)
        self.assertEqual(data1, b'1'*FIXEDTEST_SIZE)
        self.assertEqual(data2, b'2'*FIXEDTEST_SIZE)
        zipf.close()

    def tearDown(self):
        os.remove(TESTFN2)


class UniversalNewlineTests(unittest.TestCase):
    def setUp(self):
        self.line_gen = [bytes("Test of zipfile line %d." % i)
                         for i in range(FIXEDTEST_SIZE)]
        self.seps = ('\r', '\r\n', '\n')
        self.arcdata, self.arcfiles = {}, {}
        for n, s in enumerate(self.seps):
            b = s.encode("ascii")
            self.arcdata[s] = b.join(self.line_gen) + b
            self.arcfiles[s] = '%s-%d' % (TESTFN, n)
            f = open(self.arcfiles[s], "wb")
            try:
                f.write(self.arcdata[s])
            finally:
                f.close()

    def makeTestArchive(self, f, compression):
        # Create the ZIP archive
        zipfp = zipfile.ZipFile(f, "w", compression)
        for fn in self.arcfiles.values():
            zipfp.write(fn, fn)
        zipfp.close()

    def readTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r")
        for sep, fn in self.arcfiles.items():
            zipdata = zipfp.open(fn, "rU").read()
            self.assertEqual(self.arcdata[sep], zipdata)

        zipfp.close()

    def readlineTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r")
        for sep, fn in self.arcfiles.items():
            zipopen = zipfp.open(fn, "rU")
            for line in self.line_gen:
                linedata = zipopen.readline()
                self.assertEqual(linedata, line + b'\n')

        zipfp.close()

    def readlinesTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r")
        for sep, fn in self.arcfiles.items():
            ziplines = zipfp.open(fn, "rU").readlines()
            for line, zipline in zip(self.line_gen, ziplines):
                self.assertEqual(zipline, line + b'\n')

        zipfp.close()

    def iterlinesTest(self, f, compression):
        self.makeTestArchive(f, compression)

        # Read the ZIP archive
        zipfp = zipfile.ZipFile(f, "r")
        for sep, fn in self.arcfiles.items():
            for line, zipline in zip(self.line_gen, zipfp.open(fn, "rU")):
                self.assertEqual(zipline, line + b'\n')

        zipfp.close()

    def testReadStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.readTest(f, zipfile.ZIP_STORED)

    def testReadlineStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.readlineTest(f, zipfile.ZIP_STORED)

    def testReadlinesStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.readlinesTest(f, zipfile.ZIP_STORED)

    def testIterlinesStored(self):
        for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
            self.iterlinesTest(f, zipfile.ZIP_STORED)

    if zlib:
        def testReadDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.readTest(f, zipfile.ZIP_DEFLATED)

        def testReadlineDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.readlineTest(f, zipfile.ZIP_DEFLATED)

        def testReadlinesDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.readlinesTest(f, zipfile.ZIP_DEFLATED)

        def testIterlinesDeflated(self):
            for f in (TESTFN2, TemporaryFile(), io.BytesIO()):
                self.iterlinesTest(f, zipfile.ZIP_DEFLATED)

    def tearDown(self):
        for sep, fn in self.arcfiles.items():
            os.remove(fn)
        support.unlink(TESTFN)
        support.unlink(TESTFN2)


def test_main():
    run_unittest(TestsWithSourceFile, TestZip64InSmallFiles, OtherTests,
                 PyZipFileTests, DecryptionTests, TestsWithMultipleOpens,
                 UniversalNewlineTests, TestsWithRandomBinaryFiles)

if __name__ == "__main__":
    test_main()