Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 1 | #!/usr/bin/python |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 2 | from test import support |
| 3 | from test.support import TESTFN |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 4 | |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 5 | import unittest |
Guido van Rossum | 34d1928 | 2007-08-09 01:03:29 +0000 | [diff] [blame] | 6 | from io import BytesIO |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 7 | import os |
Guido van Rossum | 360e4b8 | 2007-05-14 22:51:27 +0000 | [diff] [blame] | 8 | import subprocess |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 9 | import sys |
| 10 | |
| 11 | import bz2 |
| 12 | from bz2 import BZ2File, BZ2Compressor, BZ2Decompressor |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 13 | |
Skip Montanaro | 289bc05 | 2007-08-17 02:30:27 +0000 | [diff] [blame] | 14 | has_cmdline_bunzip2 = sys.platform not in ("win32", "os2emx") |
Tim Peters | 9de06bd | 2002-11-09 06:45:31 +0000 | [diff] [blame] | 15 | |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 16 | class BaseTest(unittest.TestCase): |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 17 | "Base for other testcases." |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 18 | TEXT = b'root:x:0:0:root:/root:/bin/bash\nbin:x:1:1:bin:/bin:\ndaemon:x:2:2:daemon:/sbin:\nadm:x:3:4:adm:/var/adm:\nlp:x:4:7:lp:/var/spool/lpd:\nsync:x:5:0:sync:/sbin:/bin/sync\nshutdown:x:6:0:shutdown:/sbin:/sbin/shutdown\nhalt:x:7:0:halt:/sbin:/sbin/halt\nmail:x:8:12:mail:/var/spool/mail:\nnews:x:9:13:news:/var/spool/news:\nuucp:x:10:14:uucp:/var/spool/uucp:\noperator:x:11:0:operator:/root:\ngames:x:12:100:games:/usr/games:\ngopher:x:13:30:gopher:/usr/lib/gopher-data:\nftp:x:14:50:FTP User:/var/ftp:/bin/bash\nnobody:x:65534:65534:Nobody:/home:\npostfix:x:100:101:postfix:/var/spool/postfix:\nniemeyer:x:500:500::/home/niemeyer:/bin/bash\npostgres:x:101:102:PostgreSQL Server:/var/lib/pgsql:/bin/bash\nmysql:x:102:103:MySQL server:/var/lib/mysql:/bin/bash\nwww:x:103:104::/var/www:/bin/false\n' |
| 19 | DATA = b'BZh91AY&SY.\xc8N\x18\x00\x01>_\x80\x00\x10@\x02\xff\xf0\x01\x07n\x00?\xe7\xff\xe00\x01\x99\xaa\x00\xc0\x03F\x86\x8c#&\x83F\x9a\x03\x06\xa6\xd0\xa6\x93M\x0fQ\xa7\xa8\x06\x804hh\x12$\x11\xa4i4\xf14S\xd2<Q\xb5\x0fH\xd3\xd4\xdd\xd5\x87\xbb\xf8\x94\r\x8f\xafI\x12\xe1\xc9\xf8/E\x00pu\x89\x12]\xc9\xbbDL\nQ\x0e\t1\x12\xdf\xa0\xc0\x97\xac2O9\x89\x13\x94\x0e\x1c7\x0ed\x95I\x0c\xaaJ\xa4\x18L\x10\x05#\x9c\xaf\xba\xbc/\x97\x8a#C\xc8\xe1\x8cW\xf9\xe2\xd0\xd6M\xa7\x8bXa<e\x84t\xcbL\xb3\xa7\xd9\xcd\xd1\xcb\x84.\xaf\xb3\xab\xab\xad`n}\xa0lh\tE,\x8eZ\x15\x17VH>\x88\xe5\xcd9gd6\x0b\n\xe9\x9b\xd5\x8a\x99\xf7\x08.K\x8ev\xfb\xf7xw\xbb\xdf\xa1\x92\xf1\xdd|/";\xa2\xba\x9f\xd5\xb1#A\xb6\xf6\xb3o\xc9\xc5y\\\xebO\xe7\x85\x9a\xbc\xb6f8\x952\xd5\xd7"%\x89>V,\xf7\xa6z\xe2\x9f\xa3\xdf\x11\x11"\xd6E)I\xa9\x13^\xca\xf3r\xd0\x03U\x922\xf26\xec\xb6\xed\x8b\xc3U\x13\x9d\xc5\x170\xa4\xfa^\x92\xacDF\x8a\x97\xd6\x19\xfe\xdd\xb8\xbd\x1a\x9a\x19\xa3\x80ankR\x8b\xe5\xd83]\xa9\xc6\x08\x82f\xf6\xb9"6l$\xb8j@\xc0\x8a\xb0l1..\xbak\x83ls\x15\xbc\xf4\xc1\x13\xbe\xf8E\xb8\x9d\r\xa8\x9dk\x84\xd3n\xfa\xacQ\x07\xb1%y\xaav\xb4\x08\xe0z\x1b\x16\xf5\x04\xe9\xcc\xb9\x08z\x1en7.G\xfc]\xc9\x14\xe1B@\xbb!8`' |
| 20 | DATA_CRLF = b'BZh91AY&SY\xaez\xbbN\x00\x01H\xdf\x80\x00\x12@\x02\xff\xf0\x01\x07n\x00?\xe7\xff\xe0@\x01\xbc\xc6`\x86*\x8d=M\xa9\x9a\x86\xd0L@\x0fI\xa6!\xa1\x13\xc8\x88jdi\x8d@\x03@\x1a\x1a\x0c\x0c\x83 \x00\xc4h2\x19\x01\x82D\x84e\t\xe8\x99\x89\x19\x1ah\x00\r\x1a\x11\xaf\x9b\x0fG\xf5(\x1b\x1f?\t\x12\xcf\xb5\xfc\x95E\x00ps\x89\x12^\xa4\xdd\xa2&\x05(\x87\x04\x98\x89u\xe40%\xb6\x19\'\x8c\xc4\x89\xca\x07\x0e\x1b!\x91UIFU%C\x994!DI\xd2\xfa\xf0\xf1N8W\xde\x13A\xf5\x9cr%?\x9f3;I45A\xd1\x8bT\xb1<l\xba\xcb_\xc00xY\x17r\x17\x88\x08\x08@\xa0\ry@\x10\x04$)`\xf2\xce\x89z\xb0s\xec\x9b.iW\x9d\x81\xb5-+t\x9f\x1a\'\x97dB\xf5x\xb5\xbe.[.\xd7\x0e\x81\xe7\x08\x1cN`\x88\x10\xca\x87\xc3!"\x80\x92R\xa1/\xd1\xc0\xe6mf\xac\xbd\x99\xcca\xb3\x8780>\xa4\xc7\x8d\x1a\\"\xad\xa1\xabyBg\x15\xb9l\x88\x88\x91k"\x94\xa4\xd4\x89\xae*\xa6\x0b\x10\x0c\xd6\xd4m\xe86\xec\xb5j\x8a\x86j\';\xca.\x01I\xf2\xaaJ\xe8\x88\x8cU+t3\xfb\x0c\n\xa33\x13r2\r\x16\xe0\xb3(\xbf\x1d\x83r\xe7M\xf0D\x1365\xd8\x88\xd3\xa4\x92\xcb2\x06\x04\\\xc1\xb0\xea//\xbek&\xd8\xe6+t\xe5\xa1\x13\xada\x16\xder5"w]\xa2i\xb7[\x97R \xe2IT\xcd;Z\x04dk4\xad\x8a\t\xd3\x81z\x10\xf1:^`\xab\x1f\xc5\xdc\x91N\x14$+\x9e\xae\xd3\x80' |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 21 | |
Tim Peters | 9de06bd | 2002-11-09 06:45:31 +0000 | [diff] [blame] | 22 | if has_cmdline_bunzip2: |
| 23 | def decompress(self, data): |
Guido van Rossum | 360e4b8 | 2007-05-14 22:51:27 +0000 | [diff] [blame] | 24 | pop = subprocess.Popen("bunzip2", shell=True, |
| 25 | stdin=subprocess.PIPE, |
| 26 | stdout=subprocess.PIPE, |
| 27 | stderr=subprocess.STDOUT) |
| 28 | pop.stdin.write(data) |
| 29 | pop.stdin.close() |
| 30 | ret = pop.stdout.read() |
| 31 | pop.stdout.close() |
Tim Peters | 9de06bd | 2002-11-09 06:45:31 +0000 | [diff] [blame] | 32 | if pop.wait() != 0: |
| 33 | ret = bz2.decompress(data) |
| 34 | return ret |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 35 | |
Tim Peters | 9de06bd | 2002-11-09 06:45:31 +0000 | [diff] [blame] | 36 | else: |
Guido van Rossum | 360e4b8 | 2007-05-14 22:51:27 +0000 | [diff] [blame] | 37 | # bunzip2 isn't available to run on Windows. |
Tim Peters | 9de06bd | 2002-11-09 06:45:31 +0000 | [diff] [blame] | 38 | def decompress(self, data): |
| 39 | return bz2.decompress(data) |
| 40 | |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 41 | class BZ2FileTest(BaseTest): |
Georg Brandl | 33a5f2a | 2005-08-21 14:16:04 +0000 | [diff] [blame] | 42 | "Test BZ2File type miscellaneous methods." |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 43 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 44 | def setUp(self): |
Tim Peters | c293704 | 2002-11-14 16:23:29 +0000 | [diff] [blame] | 45 | self.filename = TESTFN |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 46 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 47 | def tearDown(self): |
| 48 | if os.path.isfile(self.filename): |
| 49 | os.unlink(self.filename) |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 50 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 51 | def createTempFile(self, crlf=0): |
| 52 | f = open(self.filename, "wb") |
| 53 | if crlf: |
| 54 | data = self.DATA_CRLF |
| 55 | else: |
| 56 | data = self.DATA |
| 57 | f.write(data) |
| 58 | f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 59 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 60 | def testRead(self): |
| 61 | # "Test BZ2File.read()" |
| 62 | self.createTempFile() |
| 63 | bz2f = BZ2File(self.filename) |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 64 | self.assertRaises(TypeError, bz2f.read, None) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 65 | self.assertEqual(bz2f.read(), self.TEXT) |
| 66 | bz2f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 67 | |
Guido van Rossum | 75c26bc | 2007-08-07 23:29:20 +0000 | [diff] [blame] | 68 | def testRead0(self): |
| 69 | # Test BBZ2File.read(0)" |
| 70 | self.createTempFile() |
| 71 | bz2f = BZ2File(self.filename) |
| 72 | self.assertRaises(TypeError, bz2f.read, None) |
| 73 | self.assertEqual(bz2f.read(0), b"") |
| 74 | bz2f.close() |
| 75 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 76 | def testReadChunk10(self): |
| 77 | # "Test BZ2File.read() in chunks of 10 bytes" |
| 78 | self.createTempFile() |
| 79 | bz2f = BZ2File(self.filename) |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 80 | text = b'' |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 81 | while 1: |
| 82 | str = bz2f.read(10) |
| 83 | if not str: |
| 84 | break |
| 85 | text += str |
| 86 | self.assertEqual(text, text) |
| 87 | bz2f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 88 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 89 | def testRead100(self): |
| 90 | # "Test BZ2File.read(100)" |
| 91 | self.createTempFile() |
| 92 | bz2f = BZ2File(self.filename) |
| 93 | self.assertEqual(bz2f.read(100), self.TEXT[:100]) |
| 94 | bz2f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 95 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 96 | def testReadLine(self): |
| 97 | # "Test BZ2File.readline()" |
| 98 | self.createTempFile() |
| 99 | bz2f = BZ2File(self.filename) |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 100 | self.assertRaises(TypeError, bz2f.readline, None) |
Guido van Rossum | 34d1928 | 2007-08-09 01:03:29 +0000 | [diff] [blame] | 101 | sio = BytesIO(self.TEXT) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 102 | for line in sio.readlines(): |
| 103 | self.assertEqual(bz2f.readline(), line) |
| 104 | bz2f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 105 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 106 | def testReadLines(self): |
| 107 | # "Test BZ2File.readlines()" |
| 108 | self.createTempFile() |
| 109 | bz2f = BZ2File(self.filename) |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 110 | self.assertRaises(TypeError, bz2f.readlines, None) |
Guido van Rossum | 34d1928 | 2007-08-09 01:03:29 +0000 | [diff] [blame] | 111 | sio = BytesIO(self.TEXT) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 112 | self.assertEqual(bz2f.readlines(), sio.readlines()) |
| 113 | bz2f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 114 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 115 | def testIterator(self): |
| 116 | # "Test iter(BZ2File)" |
| 117 | self.createTempFile() |
| 118 | bz2f = BZ2File(self.filename) |
Guido van Rossum | 34d1928 | 2007-08-09 01:03:29 +0000 | [diff] [blame] | 119 | sio = BytesIO(self.TEXT) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 120 | self.assertEqual(list(iter(bz2f)), sio.readlines()) |
| 121 | bz2f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 122 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 123 | def testWrite(self): |
| 124 | # "Test BZ2File.write()" |
| 125 | bz2f = BZ2File(self.filename, "w") |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 126 | self.assertRaises(TypeError, bz2f.write) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 127 | bz2f.write(self.TEXT) |
| 128 | bz2f.close() |
Tim Peters | 63c1081 | 2002-11-09 06:49:43 +0000 | [diff] [blame] | 129 | f = open(self.filename, 'rb') |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 130 | self.assertEqual(self.decompress(f.read()), self.TEXT) |
| 131 | f.close() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 132 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 133 | def testWriteChunks10(self): |
| 134 | # "Test BZ2File.write() with chunks of 10 bytes" |
| 135 | bz2f = BZ2File(self.filename, "w") |
| 136 | n = 0 |
| 137 | while 1: |
| 138 | str = self.TEXT[n*10:(n+1)*10] |
| 139 | if not str: |
| 140 | break |
| 141 | bz2f.write(str) |
| 142 | n += 1 |
| 143 | bz2f.close() |
Tim Peters | 63c1081 | 2002-11-09 06:49:43 +0000 | [diff] [blame] | 144 | f = open(self.filename, 'rb') |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 145 | self.assertEqual(self.decompress(f.read()), self.TEXT) |
| 146 | f.close() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 147 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 148 | def testWriteLines(self): |
| 149 | # "Test BZ2File.writelines()" |
| 150 | bz2f = BZ2File(self.filename, "w") |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 151 | self.assertRaises(TypeError, bz2f.writelines) |
Guido van Rossum | 34d1928 | 2007-08-09 01:03:29 +0000 | [diff] [blame] | 152 | sio = BytesIO(self.TEXT) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 153 | bz2f.writelines(sio.readlines()) |
| 154 | bz2f.close() |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 155 | # patch #1535500 |
| 156 | self.assertRaises(ValueError, bz2f.writelines, ["a"]) |
Tim Peters | 63c1081 | 2002-11-09 06:49:43 +0000 | [diff] [blame] | 157 | f = open(self.filename, 'rb') |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 158 | self.assertEqual(self.decompress(f.read()), self.TEXT) |
| 159 | f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 160 | |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 161 | def testWriteMethodsOnReadOnlyFile(self): |
| 162 | bz2f = BZ2File(self.filename, "w") |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 163 | bz2f.write(b"abc") |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 164 | bz2f.close() |
| 165 | |
| 166 | bz2f = BZ2File(self.filename, "r") |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 167 | self.assertRaises(IOError, bz2f.write, b"a") |
| 168 | self.assertRaises(IOError, bz2f.writelines, [b"a"]) |
Thomas Wouters | 00ee7ba | 2006-08-21 19:07:27 +0000 | [diff] [blame] | 169 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 170 | def testSeekForward(self): |
| 171 | # "Test BZ2File.seek(150, 0)" |
| 172 | self.createTempFile() |
| 173 | bz2f = BZ2File(self.filename) |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 174 | self.assertRaises(TypeError, bz2f.seek) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 175 | bz2f.seek(150) |
| 176 | self.assertEqual(bz2f.read(), self.TEXT[150:]) |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 177 | bz2f.close() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 178 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 179 | def testSeekBackwards(self): |
| 180 | # "Test BZ2File.seek(-150, 1)" |
| 181 | self.createTempFile() |
| 182 | bz2f = BZ2File(self.filename) |
| 183 | bz2f.read(500) |
| 184 | bz2f.seek(-150, 1) |
| 185 | self.assertEqual(bz2f.read(), self.TEXT[500-150:]) |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 186 | bz2f.close() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 187 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 188 | def testSeekBackwardsFromEnd(self): |
| 189 | # "Test BZ2File.seek(-150, 2)" |
| 190 | self.createTempFile() |
Tim Peters | e8889c5 | 2005-08-26 14:33:57 +0000 | [diff] [blame] | 191 | bz2f = BZ2File(self.filename) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 192 | bz2f.seek(-150, 2) |
| 193 | self.assertEqual(bz2f.read(), self.TEXT[len(self.TEXT)-150:]) |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 194 | bz2f.close() |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 195 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 196 | def testSeekPostEnd(self): |
| 197 | # "Test BZ2File.seek(150000)" |
| 198 | self.createTempFile() |
| 199 | bz2f = BZ2File(self.filename) |
| 200 | bz2f.seek(150000) |
| 201 | self.assertEqual(bz2f.tell(), len(self.TEXT)) |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 202 | self.assertEqual(bz2f.read(), b"") |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 203 | bz2f.close() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 204 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 205 | def testSeekPostEndTwice(self): |
| 206 | # "Test BZ2File.seek(150000) twice" |
| 207 | self.createTempFile() |
| 208 | bz2f = BZ2File(self.filename) |
| 209 | bz2f.seek(150000) |
| 210 | bz2f.seek(150000) |
| 211 | self.assertEqual(bz2f.tell(), len(self.TEXT)) |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 212 | self.assertEqual(bz2f.read(), b"") |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 213 | bz2f.close() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 214 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 215 | def testSeekPreStart(self): |
| 216 | # "Test BZ2File.seek(-150, 0)" |
| 217 | self.createTempFile() |
| 218 | bz2f = BZ2File(self.filename) |
| 219 | bz2f.seek(-150) |
| 220 | self.assertEqual(bz2f.tell(), 0) |
| 221 | self.assertEqual(bz2f.read(), self.TEXT) |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 222 | bz2f.close() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 223 | |
Neal Norwitz | 7cbd247 | 2003-02-12 23:09:53 +0000 | [diff] [blame] | 224 | def testOpenDel(self): |
Gustavo Niemeyer | 572f523 | 2003-04-29 14:53:08 +0000 | [diff] [blame] | 225 | # "Test opening and deleting a file many times" |
Neal Norwitz | 7cbd247 | 2003-02-12 23:09:53 +0000 | [diff] [blame] | 226 | self.createTempFile() |
Guido van Rossum | 805365e | 2007-05-07 22:24:25 +0000 | [diff] [blame] | 227 | for i in range(10000): |
Neal Norwitz | 7cbd247 | 2003-02-12 23:09:53 +0000 | [diff] [blame] | 228 | o = BZ2File(self.filename) |
| 229 | del o |
| 230 | |
Gustavo Niemeyer | 572f523 | 2003-04-29 14:53:08 +0000 | [diff] [blame] | 231 | def testOpenNonexistent(self): |
| 232 | # "Test opening a nonexistent file" |
| 233 | self.assertRaises(IOError, BZ2File, "/non/existent") |
| 234 | |
Georg Brandl | 33a5f2a | 2005-08-21 14:16:04 +0000 | [diff] [blame] | 235 | def testBug1191043(self): |
| 236 | # readlines() for files containing no newline |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 237 | data = b'BZh91AY&SY\xd9b\x89]\x00\x00\x00\x03\x80\x04\x00\x02\x00\x0c\x00 \x00!\x9ah3M\x13<]\xc9\x14\xe1BCe\x8a%t' |
Georg Brandl | 33a5f2a | 2005-08-21 14:16:04 +0000 | [diff] [blame] | 238 | f = open(self.filename, "wb") |
| 239 | f.write(data) |
| 240 | f.close() |
| 241 | bz2f = BZ2File(self.filename) |
| 242 | lines = bz2f.readlines() |
| 243 | bz2f.close() |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 244 | self.assertEqual(lines, [b'Test']) |
Georg Brandl | 33a5f2a | 2005-08-21 14:16:04 +0000 | [diff] [blame] | 245 | bz2f = BZ2File(self.filename) |
Neal Norwitz | 7096760 | 2006-03-17 08:29:44 +0000 | [diff] [blame] | 246 | xlines = list(bz2f.readlines()) |
Georg Brandl | 33a5f2a | 2005-08-21 14:16:04 +0000 | [diff] [blame] | 247 | bz2f.close() |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 248 | self.assertEqual(xlines, [b'Test']) |
Georg Brandl | 33a5f2a | 2005-08-21 14:16:04 +0000 | [diff] [blame] | 249 | |
| 250 | |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 251 | class BZ2CompressorTest(BaseTest): |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 252 | def testCompress(self): |
| 253 | # "Test BZ2Compressor.compress()/flush()" |
| 254 | bz2c = BZ2Compressor() |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 255 | self.assertRaises(TypeError, bz2c.compress) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 256 | data = bz2c.compress(self.TEXT) |
| 257 | data += bz2c.flush() |
| 258 | self.assertEqual(self.decompress(data), self.TEXT) |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 259 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 260 | def testCompressChunks10(self): |
| 261 | # "Test BZ2Compressor.compress()/flush() with chunks of 10 bytes" |
| 262 | bz2c = BZ2Compressor() |
| 263 | n = 0 |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 264 | data = b'' |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 265 | while 1: |
| 266 | str = self.TEXT[n*10:(n+1)*10] |
| 267 | if not str: |
| 268 | break |
| 269 | data += bz2c.compress(str) |
| 270 | n += 1 |
| 271 | data += bz2c.flush() |
| 272 | self.assertEqual(self.decompress(data), self.TEXT) |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 273 | |
| 274 | class BZ2DecompressorTest(BaseTest): |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 275 | def test_Constructor(self): |
| 276 | self.assertRaises(TypeError, BZ2Decompressor, 42) |
| 277 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 278 | def testDecompress(self): |
| 279 | # "Test BZ2Decompressor.decompress()" |
| 280 | bz2d = BZ2Decompressor() |
Walter Dörwald | bb9c739 | 2004-11-01 17:10:19 +0000 | [diff] [blame] | 281 | self.assertRaises(TypeError, bz2d.decompress) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 282 | text = bz2d.decompress(self.DATA) |
| 283 | self.assertEqual(text, self.TEXT) |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 284 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 285 | def testDecompressChunks10(self): |
| 286 | # "Test BZ2Decompressor.decompress() with chunks of 10 bytes" |
| 287 | bz2d = BZ2Decompressor() |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 288 | text = b'' |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 289 | n = 0 |
| 290 | while 1: |
| 291 | str = self.DATA[n*10:(n+1)*10] |
| 292 | if not str: |
| 293 | break |
| 294 | text += bz2d.decompress(str) |
| 295 | n += 1 |
| 296 | self.assertEqual(text, self.TEXT) |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 297 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 298 | def testDecompressUnusedData(self): |
| 299 | # "Test BZ2Decompressor.decompress() with unused data" |
| 300 | bz2d = BZ2Decompressor() |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 301 | unused_data = b"this is unused data" |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 302 | text = bz2d.decompress(self.DATA+unused_data) |
| 303 | self.assertEqual(text, self.TEXT) |
| 304 | self.assertEqual(bz2d.unused_data, unused_data) |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 305 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 306 | def testEOFError(self): |
| 307 | # "Calling BZ2Decompressor.decompress() after EOS must raise EOFError" |
| 308 | bz2d = BZ2Decompressor() |
| 309 | text = bz2d.decompress(self.DATA) |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 310 | self.assertRaises(EOFError, bz2d.decompress, b"anything") |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 311 | |
| 312 | |
| 313 | class FuncTest(BaseTest): |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 314 | "Test module functions" |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 315 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 316 | def testCompress(self): |
| 317 | # "Test compress() function" |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 318 | data = bz2.compress(self.TEXT) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 319 | self.assertEqual(self.decompress(data), self.TEXT) |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 320 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 321 | def testDecompress(self): |
| 322 | # "Test decompress() function" |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 323 | text = bz2.decompress(self.DATA) |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 324 | self.assertEqual(text, self.TEXT) |
Tim Peters | 230a60c | 2002-11-09 05:08:07 +0000 | [diff] [blame] | 325 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 326 | def testDecompressEmpty(self): |
| 327 | # "Test decompress() function with empty string" |
Guido van Rossum | 522a6c6 | 2007-05-22 23:13:45 +0000 | [diff] [blame] | 328 | text = bz2.decompress(b"") |
| 329 | self.assertEqual(text, b"") |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 330 | |
Tim Peters | 3de7526 | 2002-11-09 05:26:15 +0000 | [diff] [blame] | 331 | def testDecompressIncomplete(self): |
| 332 | # "Test decompress() function with incomplete data" |
Tim Peters | 499d09a | 2002-11-09 06:31:56 +0000 | [diff] [blame] | 333 | self.assertRaises(ValueError, bz2.decompress, self.DATA[:-10]) |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 334 | |
| 335 | def test_main(): |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 336 | support.run_unittest( |
Walter Dörwald | 21d3a32 | 2003-05-01 17:45:56 +0000 | [diff] [blame] | 337 | BZ2FileTest, |
| 338 | BZ2CompressorTest, |
| 339 | BZ2DecompressorTest, |
| 340 | FuncTest |
| 341 | ) |
Benjamin Peterson | ee8712c | 2008-05-20 21:35:26 +0000 | [diff] [blame] | 342 | support.reap_children() |
Gustavo Niemeyer | f8ca836 | 2002-11-05 16:50:05 +0000 | [diff] [blame] | 343 | |
| 344 | if __name__ == '__main__': |
| 345 | test_main() |
| 346 | |
| 347 | # vim:ts=4:sw=4 |