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
|
#!/usr/bin/python
import unittest
from cStringIO import StringIO
import os
import popen2
import tempfile
from bz2 import *
from test import test_support
class BaseTest(unittest.TestCase):
"Base for other testcases."
TEXT = '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'
DATA = '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`'
DATA_CRLF = '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'
def decompress(self, data):
pop = popen2.Popen3("bunzip2", capturestderr=1)
pop.tochild.write(data)
pop.tochild.close()
ret = pop.fromchild.read()
pop.fromchild.close()
if pop.wait() != 0:
ret = decompress(data)
return ret
class BZ2FileTest(BaseTest):
"Test MCRYPT type miscelaneous methods."
def setUp(self):
self.filename = tempfile.mktemp("bz2")
def tearDown(self):
if os.path.isfile(self.filename):
os.unlink(self.filename)
def createTempFile(self, crlf=0):
f = open(self.filename, "w")
if crlf:
data = self.DATA_CRLF
else:
data = self.DATA
f.write(data)
f.close()
def testRead(self):
"Test BZ2File.read()"
self.createTempFile()
bz2f = BZ2File(self.filename)
self.assertEqual(bz2f.read(), self.TEXT)
bz2f.close()
def testReadChunk10(self):
"Test BZ2File.read() in chunks of 10 bytes"
self.createTempFile()
bz2f = BZ2File(self.filename)
text = ''
while 1:
str = bz2f.read(10)
if not str:
break
text += str
self.assertEqual(text, text)
bz2f.close()
def testRead100(self):
"Test BZ2File.read(100)"
self.createTempFile()
bz2f = BZ2File(self.filename)
self.assertEqual(bz2f.read(100), self.TEXT[:100])
bz2f.close()
def testReadLine(self):
"Test BZ2File.readline()"
self.createTempFile()
bz2f = BZ2File(self.filename)
sio = StringIO(self.TEXT)
for line in sio.readlines():
self.assertEqual(bz2f.readline(), line)
bz2f.close()
def testReadLines(self):
"Test BZ2File.readlines()"
self.createTempFile()
bz2f = BZ2File(self.filename)
sio = StringIO(self.TEXT)
self.assertEqual(bz2f.readlines(), sio.readlines())
bz2f.close()
def testIterator(self):
"Test iter(BZ2File)"
self.createTempFile()
bz2f = BZ2File(self.filename)
sio = StringIO(self.TEXT)
self.assertEqual(list(iter(bz2f)), sio.readlines())
bz2f.close()
def testXReadLines(self):
"Test BZ2File.xreadlines()"
self.createTempFile()
bz2f = BZ2File(self.filename)
sio = StringIO(self.TEXT)
self.assertEqual(list(bz2f.xreadlines()), sio.readlines())
bz2f.close()
def testUniversalNewlinesLF(self):
"Test BZ2File.read() with universal newlines (\\n)"
self.createTempFile()
bz2f = BZ2File(self.filename, "rU")
self.assertEqual(bz2f.read(), self.TEXT)
self.assertEqual(bz2f.newlines, "\n")
bz2f.close()
def testUniversalNewlinesCRLF(self):
"Test BZ2File.read() with universal newlines (\\r\\n)"
self.createTempFile(crlf=1)
bz2f = BZ2File(self.filename, "rU")
self.assertEqual(bz2f.read(), self.TEXT)
self.assertEqual(bz2f.newlines, "\r\n")
bz2f.close()
def testWrite(self):
"Test BZ2File.write()"
bz2f = BZ2File(self.filename, "w")
bz2f.write(self.TEXT)
bz2f.close()
f = open(self.filename)
self.assertEqual(self.decompress(f.read()), self.TEXT)
f.close()
def testWriteChunks10(self):
"Test BZ2File.write() with chunks of 10 bytes"
bz2f = BZ2File(self.filename, "w")
n = 0
while 1:
str = self.TEXT[n*10:(n+1)*10]
if not str:
break
bz2f.write(str)
n += 1
bz2f.close()
f = open(self.filename)
self.assertEqual(self.decompress(f.read()), self.TEXT)
f.close()
def testWriteLines(self):
"Test BZ2File.writelines()"
bz2f = BZ2File(self.filename, "w")
sio = StringIO(self.TEXT)
bz2f.writelines(sio.readlines())
bz2f.close()
f = open(self.filename)
self.assertEqual(self.decompress(f.read()), self.TEXT)
f.close()
def testSeekForward(self):
"Test BZ2File.seek(150, 0)"
self.createTempFile()
bz2f = BZ2File(self.filename)
bz2f.seek(150)
self.assertEqual(bz2f.read(), self.TEXT[150:])
def testSeekBackwards(self):
"Test BZ2File.seek(-150, 1)"
self.createTempFile()
bz2f = BZ2File(self.filename)
bz2f.read(500)
bz2f.seek(-150, 1)
self.assertEqual(bz2f.read(), self.TEXT[500-150:])
def testSeekBackwardsFromEnd(self):
"Test BZ2File.seek(-150, 2)"
self.createTempFile()
bz2f = BZ2File(self.filename)
bz2f.seek(-150, 2)
self.assertEqual(bz2f.read(), self.TEXT[len(self.TEXT)-150:])
def testSeekPostEnd(self):
"Test BZ2File.seek(150000)"
self.createTempFile()
bz2f = BZ2File(self.filename)
bz2f.seek(150000)
self.assertEqual(bz2f.tell(), len(self.TEXT))
self.assertEqual(bz2f.read(), "")
def testSeekPostEndTwice(self):
"Test BZ2File.seek(150000) twice"
self.createTempFile()
bz2f = BZ2File(self.filename)
bz2f.seek(150000)
bz2f.seek(150000)
self.assertEqual(bz2f.tell(), len(self.TEXT))
self.assertEqual(bz2f.read(), "")
def testSeekPreStart(self):
"Test BZ2File.seek(-150, 0)"
self.createTempFile()
bz2f = BZ2File(self.filename)
bz2f.seek(-150)
self.assertEqual(bz2f.tell(), 0)
self.assertEqual(bz2f.read(), self.TEXT)
class BZ2CompressorTest(BaseTest):
def testCompress(self):
"Test BZ2Compressor.compress()/flush()"
bz2c = BZ2Compressor()
data = bz2c.compress(self.TEXT)
data += bz2c.flush()
self.assertEqual(self.decompress(data), self.TEXT)
def testCompressChunks10(self):
"Test BZ2Compressor.compress()/flush() with chunks of 10 bytes"
bz2c = BZ2Compressor()
n = 0
data = ''
while 1:
str = self.TEXT[n*10:(n+1)*10]
if not str:
break
data += bz2c.compress(str)
n += 1
data += bz2c.flush()
self.assertEqual(self.decompress(data), self.TEXT)
class BZ2DecompressorTest(BaseTest):
def testDecompress(self):
"Test BZ2Decompressor.decompress()"
bz2d = BZ2Decompressor()
text = bz2d.decompress(self.DATA)
self.assertEqual(text, self.TEXT)
def testDecompressChunks10(self):
"Test BZ2Decompressor.decompress() with chunks of 10 bytes"
bz2d = BZ2Decompressor()
text = ''
n = 0
while 1:
str = self.DATA[n*10:(n+1)*10]
if not str:
break
text += bz2d.decompress(str)
n += 1
self.assertEqual(text, self.TEXT)
def testDecompressUnusedData(self):
"Test BZ2Decompressor.decompress() with unused data"
bz2d = BZ2Decompressor()
unused_data = "this is unused data"
text = bz2d.decompress(self.DATA+unused_data)
self.assertEqual(text, self.TEXT)
self.assertEqual(bz2d.unused_data, unused_data)
def testEOFError(self):
"Calling BZ2Decompressor.decompress() after EOS must raise EOFError"
bz2d = BZ2Decompressor()
text = bz2d.decompress(self.DATA)
self.assertRaises(EOFError, bz2d.decompress, "anything")
class FuncTest(BaseTest):
"Test module functions"
def testCompress(self):
"Test compress() function"
data = compress(self.TEXT)
self.assertEqual(self.decompress(data), self.TEXT)
def testDecompress(self):
"Test decompress() function"
text = decompress(self.DATA)
self.assertEqual(text, self.TEXT)
def testDecompressEmpty(self):
"Test decompress() function with empty string"
text = decompress("")
self.assertEqual(text, "")
def testDecompressIncomplete(self):
"Test decompress() function with incomplete data"
self.assertRaises(ValueError, decompress, self.DATA[:-10])
def test_main():
test_support.run_unittest(BZ2FileTest)
test_support.run_unittest(BZ2CompressorTest)
test_support.run_unittest(BZ2DecompressorTest)
test_support.run_unittest(FuncTest)
if __name__ == '__main__':
test_main()
# vim:ts=4:sw=4
|
