2
from pypy.conftest import gettestobjspace
6
from py.test import skip
7
skip("bz2 module is not available on Windows")
10
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`'
11
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'
13
def create_temp_file(crlf=False):
14
f = py.test.ensuretemp("bz2").join("foo")
16
data = (DATA, DATA_CRLF)[crlf]
22
pop = popen2.Popen3("bunzip2", capturestderr=1)
23
pop.tochild.write(data)
25
res = pop.fromchild.read()
28
res = bz2.decompress(data)
31
mod.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'
33
mod.DATA_CRLF = DATA_CRLF
34
mod.create_temp_file = create_temp_file
35
mod.decompress = decompress
39
space = gettestobjspace(usemodules=('bz2',))
41
cls.w_TEXT = space.wrap(TEXT)
42
cls.w_DATA = space.wrap(DATA)
43
cls.w_DATA_CRLF = space.wrap(DATA_CRLF)
44
cls.w_temppath = space.wrap(str(py.test.ensuretemp("bz2").join("foo")))
45
cls.w_create_temp_file = space.wrap(create_temp_file)
46
cls.w_decompress = space.wrap(decompress)
48
def test_attributes(self):
49
from bz2 import BZ2File
51
bz2f = BZ2File(self.temppath, mode="w")
52
assert bz2f.name == self.temppath
53
assert bz2f.newlines == None
54
assert bz2f.mode == "wb"
55
assert bz2f.softspace == False
56
assert bz2f.closed == False
58
assert bz2f.closed == True
60
def test_creation(self):
61
from bz2 import BZ2File
63
raises(ValueError, BZ2File, self.temppath, mode='w', compresslevel=10)
64
raises(IOError, BZ2File, self.temppath, mode='XYZ')
65
# XXX the following is fine, currently:
66
#raises(ValueError, BZ2File, self.temppath, mode='ww')
68
BZ2File(self.temppath, mode='wU', buffering=0, compresslevel=8)
69
BZ2File(self.temppath, mode='wb')
71
BZ2File(self.temppath, mode='w', buffering=4096)
74
from bz2 import BZ2File
77
bz2f = BZ2File(self.temppath, mode='w')
79
# since we use fclose() internally you can't close it twice
83
bz2f = BZ2File(self.temppath, mode='r')
87
from bz2 import BZ2File
89
bz2f = BZ2File(self.temppath, mode='w')
91
raises(ValueError, bz2f.tell)
93
bz2f = BZ2File(self.temppath, mode='w')
98
from bz2 import BZ2File
100
# hack to create a foo file
101
open(self.temppath, "w").close()
103
# cannot seek if close
104
bz2f = BZ2File(self.temppath, mode='r')
106
raises(ValueError, bz2f.seek, 0)
109
bz2f = BZ2File(self.temppath, mode='w')
110
raises(IOError, bz2f.seek, 0)
113
bz2f = BZ2File(self.temppath, mode='r')
114
raises(TypeError, bz2f.seek)
115
raises(TypeError, bz2f.seek, "foo")
116
raises(TypeError, bz2f.seek, 0, "foo")
119
assert bz2f.tell() == 0
121
def test_open_close_del(self):
122
from bz2 import BZ2File
123
self.create_temp_file()
126
f = BZ2File(self.temppath)
130
def test_open_non_existent(self):
131
from bz2 import BZ2File
132
raises(IOError, BZ2File, "/non/existent/path")
134
def test_open_mode_U(self):
135
# bug #1194181: bz2.BZ2File opened for write with mode "U"
136
from bz2 import BZ2File
137
self.create_temp_file()
139
bz2f = BZ2File(self.temppath, "U")
141
f = open(self.temppath)
144
assert f.tell() == len(self.DATA)
147
def test_seek_forward(self):
148
from bz2 import BZ2File
149
self.create_temp_file()
151
bz2f = BZ2File(self.temppath)
152
bz2f.seek(150) # (150, 0)
153
assert bz2f.read() == self.TEXT[150:]
156
def test_seek_backwards(self):
157
#skip("currently does not work")
158
from bz2 import BZ2File
159
self.create_temp_file()
161
bz2f = BZ2File(self.temppath)
164
assert bz2f.read() == self.TEXT[500 - 150:]
167
def test_seek_backwards_from_end(self):
168
#skip("currently does not work")
169
from bz2 import BZ2File
170
self.create_temp_file()
172
bz2f = BZ2File(self.temppath)
174
assert bz2f.read() == self.TEXT[len(self.TEXT) - 150:]
177
def test_seek_post_end(self):
178
from bz2 import BZ2File
179
self.create_temp_file()
181
bz2f = BZ2File(self.temppath)
183
assert bz2f.tell() == len(self.TEXT)
184
assert bz2f.read() == ""
187
def test_seek_post_end_twice(self):
188
from bz2 import BZ2File
189
self.create_temp_file()
191
bz2f = BZ2File(self.temppath)
194
assert bz2f.tell() == len(self.TEXT)
195
assert bz2f.read() == ""
198
def test_seek_pre_start(self):
199
from bz2 import BZ2File
200
self.create_temp_file()
202
bz2f = BZ2File(self.temppath)
204
assert bz2f.tell() == 0
205
assert bz2f.read() == self.TEXT
208
def test_readline(self):
209
from bz2 import BZ2File
210
from cStringIO import StringIO
211
self.create_temp_file()
213
bz2f = BZ2File(self.temppath)
215
#raises(TypeError, bz2f.readline, None)
216
sio = StringIO(self.TEXT)
217
for line in sio.readlines():
218
line_read = bz2f.readline()
219
assert line_read == line
223
from bz2 import BZ2File
224
self.create_temp_file()
226
bz2f = BZ2File(self.temppath)
228
# raises(TypeError, bz2f.read, None)
229
text_read = bz2f.read()
230
assert text_read == self.TEXT
233
def test_read_chunk10(self):
234
from bz2 import BZ2File
235
self.create_temp_file()
237
bz2f = BZ2File(self.temppath)
243
text_read = "%s%s" % (text_read, data)
244
assert text_read == self.TEXT
247
def test_read_100_bytes(self):
248
from bz2 import BZ2File
249
self.create_temp_file()
251
bz2f = BZ2File(self.temppath)
252
assert bz2f.read(100) == self.TEXT[:100]
255
def test_universal_newlines_lf(self):
256
from bz2 import BZ2File
257
self.create_temp_file()
259
bz2f = BZ2File(self.temppath, "rU")
260
assert bz2f.read() == self.TEXT
261
assert bz2f.newlines == "\n"
264
def test_universal_newlines_crlf(self):
265
from bz2 import BZ2File
266
self.create_temp_file(crlf=True)
268
bz2f = BZ2File(self.temppath, "rU")
270
assert data == self.TEXT
271
assert bz2f.newlines == "\r\n"
274
def test_readlines(self):
275
from bz2 import BZ2File
276
from cStringIO import StringIO
277
self.create_temp_file()
279
bz2f = BZ2File(self.temppath)
281
#raises(TypeError, bz2f.readlines, None)
282
sio = StringIO(self.TEXT)
283
assert bz2f.readlines() == sio.readlines()
286
def test_iterator(self):
287
from bz2 import BZ2File
288
from cStringIO import StringIO
289
self.create_temp_file()
291
bz2f = BZ2File(self.temppath)
292
sio = StringIO(self.TEXT)
293
assert list(iter(bz2f)) == sio.readlines()
296
def test_xreadlines(self):
297
from bz2 import BZ2File
298
from cStringIO import StringIO
299
self.create_temp_file()
301
bz2f = BZ2File(self.temppath)
302
sio = StringIO(self.TEXT)
303
assert list(bz2f.xreadlines()) == sio.readlines()
306
def test_readlines_bug_1191043(self):
307
# readlines()/xreadlines() for files containing no newline
308
from bz2 import BZ2File
310
DATA = 'BZh91AY&SY\xd9b\x89]\x00\x00\x00\x03\x80\x04\x00\x02\x00\x0c\x00 \x00!\x9ah3M\x13<]\xc9\x14\xe1BCe\x8a%t'
311
f = open(self.temppath, "wb")
315
bz2f = BZ2File(self.temppath)
316
lines = bz2f.readlines()
318
assert lines == ['Test']
320
bz2f = BZ2File(self.temppath)
321
xlines = list(bz2f.xreadlines())
323
assert xlines == ['Test']
325
def test_write(self):
326
from bz2 import BZ2File
328
bz2f = BZ2File(self.temppath, 'w')
329
raises(TypeError, bz2f.write)
330
bz2f.write(self.TEXT)
333
f = open(self.temppath, "rb")
334
assert self.decompress(f.read()) == self.TEXT
337
def test_write_chunks_10(self):
338
from bz2 import BZ2File
340
bz2f = BZ2File(self.temppath, 'w')
343
data = self.TEXT[n * 10:(n + 1) * 10]
351
f = open(self.temppath, "rb")
352
assert self.decompress(f.read()) == self.TEXT
355
def test_writelines(self):
356
from bz2 import BZ2File
357
from cStringIO import StringIO
359
bz2f = BZ2File(self.temppath, 'w')
360
raises(TypeError, bz2f.writelines)
361
sio = StringIO(self.TEXT)
362
bz2f.writelines(sio.readlines())
364
f = open(self.temppath, "rb")
365
assert self.decompress(f.read()) == self.TEXT
368
def test_write_methods_on_readonly_file(self):
369
from bz2 import BZ2File
371
bz2f = BZ2File(self.temppath, 'r')
372
raises(IOError, bz2f.write, "abc")
373
raises(IOError, bz2f.writelines, ["abc"])
376
# has_cmdline_bunzip2 = sys.platform not in ("win32", "os2emx", "riscos")
378
# if has_cmdline_bunzip2:
379
# def decompress(self, data):
380
# pop = popen2.Popen3("bunzip2", capturestderr=1)
381
# pop.tochild.write(data)
382
# pop.tochild.close()
383
# ret = pop.fromchild.read()
384
# pop.fromchild.close()
385
# if pop.wait() != 0:
386
# ret = bz2.decompress(data)
390
# # popen2.Popen3 doesn't exist on Windows, and even if it did, bunzip2
391
# # isn't available to run.
392
# def decompress(self, data):
393
# return bz2.decompress(data)