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
|
"Test posix functions"
from test.test_support import TestSkipped, TestFailed, TESTFN, run_suite
try:
import posix
except ImportError:
raise TestSkipped, "posix is not available"
import time
import os
import sys
import unittest
import warnings
warnings.filterwarnings('ignore', '.* potential security risk .*',
RuntimeWarning)
class PosixTester(unittest.TestCase):
def setUp(self):
# create empty file
fp = open(TESTFN, 'w+')
fp.close()
def tearDown(self):
os.unlink(TESTFN)
def testNoArgFunctions(self):
# test posix functions which take no arguments and have
# no side-effects which we need to cleanup (e.g., fork, wait, abort)
NO_ARG_FUNCTIONS = [ "ctermid", "getcwd", "getcwdu", "uname",
"times", "getloadavg", "tmpnam",
"getegid", "geteuid", "getgid", "getgroups",
"getpid", "getpgrp", "getppid", "getuid",
]
for name in NO_ARG_FUNCTIONS:
posix_func = getattr(posix, name, None)
if posix_func is not None:
posix_func()
self.assertRaises(TypeError, posix_func, 1)
def test_statvfs(self):
if hasattr(posix, 'statvfs'):
self.assert_(posix.statvfs(os.curdir))
def test_fstatvfs(self):
if hasattr(posix, 'fstatvfs'):
fp = open(TESTFN)
try:
self.assert_(posix.fstatvfs(fp.fileno()))
finally:
fp.close()
def test_ftruncate(self):
if hasattr(posix, 'ftruncate'):
fp = open(TESTFN, 'w+')
try:
# we need to have some data to truncate
fp.write('test')
fp.flush()
posix.ftruncate(fp.fileno(), 0)
finally:
fp.close()
def test_dup(self):
if hasattr(posix, 'dup'):
fp = open(TESTFN)
try:
fd = posix.dup(fp.fileno())
self.assert_(isinstance(fd, int))
os.close(fd)
finally:
fp.close()
def test_dup2(self):
if hasattr(posix, 'dup2'):
fp1 = open(TESTFN)
fp2 = open(TESTFN)
try:
posix.dup2(fp1.fileno(), fp2.fileno())
finally:
fp1.close()
fp2.close()
def fdopen_helper(self, *args):
fd = os.open(TESTFN, os.O_RDONLY)
fp2 = posix.fdopen(fd, *args)
fp2.close()
def test_fdopen(self):
if hasattr(posix, 'fdopen'):
self.fdopen_helper()
self.fdopen_helper('r')
self.fdopen_helper('r', 100)
def test_fstat(self):
if hasattr(posix, 'fstat'):
fp = open(TESTFN)
try:
self.assert_(posix.fstat(fp.fileno()))
finally:
fp.close()
def test_stat(self):
if hasattr(posix, 'stat'):
self.assert_(posix.stat(TESTFN))
def test_chdir(self):
if hasattr(posix, 'chdir'):
posix.chdir(os.curdir)
self.assertRaises(OSError, posix.chdir, TESTFN)
def test_lsdir(self):
if hasattr(posix, 'lsdir'):
self.assert_(TESTFN in posix.lsdir(os.curdir))
def test_access(self):
if hasattr(posix, 'access'):
self.assert_(posix.access(TESTFN, os.R_OK))
def test_umask(self):
if hasattr(posix, 'umask'):
old_mask = posix.umask(0)
self.assert_(isinstance(old_mask, int))
posix.umask(old_mask)
def test_strerror(self):
if hasattr(posix, 'strerror'):
self.assert_(posix.strerror(0))
def test_pipe(self):
if hasattr(posix, 'pipe'):
reader, writer = posix.pipe()
os.close(reader)
os.close(writer)
def test_tempnam(self):
if hasattr(posix, 'tempnam'):
self.assert_(posix.tempnam())
self.assert_(posix.tempnam(os.curdir))
self.assert_(posix.tempnam(os.curdir, 'blah'))
def test_tmpfile(self):
if hasattr(posix, 'tmpfile'):
fp = posix.tmpfile()
fp.close()
def test_utime(self):
if hasattr(posix, 'utime'):
now = time.time()
posix.utime(TESTFN, None)
posix.utime(TESTFN, (now, now))
def test_main():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(PosixTester))
run_suite(suite)
if __name__ == '__main__':
test_main()
|
