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
|
import unittest
import os
import socket
import sys
from test.support import os_helper
from test.support import socket_helper
from test.support.import_helper import import_fresh_module
from test.support.os_helper import TESTFN
c_stat = import_fresh_module('stat', fresh=['_stat'])
py_stat = import_fresh_module('stat', blocked=['_stat'])
class TestFilemode:
statmod = None
file_flags = {'SF_APPEND', 'SF_ARCHIVED', 'SF_IMMUTABLE', 'SF_NOUNLINK',
'SF_SNAPSHOT', 'UF_APPEND', 'UF_COMPRESSED', 'UF_HIDDEN',
'UF_IMMUTABLE', 'UF_NODUMP', 'UF_NOUNLINK', 'UF_OPAQUE'}
formats = {'S_IFBLK', 'S_IFCHR', 'S_IFDIR', 'S_IFIFO', 'S_IFLNK',
'S_IFREG', 'S_IFSOCK', 'S_IFDOOR', 'S_IFPORT', 'S_IFWHT'}
format_funcs = {'S_ISBLK', 'S_ISCHR', 'S_ISDIR', 'S_ISFIFO', 'S_ISLNK',
'S_ISREG', 'S_ISSOCK', 'S_ISDOOR', 'S_ISPORT', 'S_ISWHT'}
stat_struct = {
'ST_MODE': 0,
'ST_INO': 1,
'ST_DEV': 2,
'ST_NLINK': 3,
'ST_UID': 4,
'ST_GID': 5,
'ST_SIZE': 6,
'ST_ATIME': 7,
'ST_MTIME': 8,
'ST_CTIME': 9}
# permission bit value are defined by POSIX
permission_bits = {
'S_ISUID': 0o4000,
'S_ISGID': 0o2000,
'S_ENFMT': 0o2000,
'S_ISVTX': 0o1000,
'S_IRWXU': 0o700,
'S_IRUSR': 0o400,
'S_IREAD': 0o400,
'S_IWUSR': 0o200,
'S_IWRITE': 0o200,
'S_IXUSR': 0o100,
'S_IEXEC': 0o100,
'S_IRWXG': 0o070,
'S_IRGRP': 0o040,
'S_IWGRP': 0o020,
'S_IXGRP': 0o010,
'S_IRWXO': 0o007,
'S_IROTH': 0o004,
'S_IWOTH': 0o002,
'S_IXOTH': 0o001}
# defined by the Windows API documentation
file_attributes = {
'FILE_ATTRIBUTE_ARCHIVE': 32,
'FILE_ATTRIBUTE_COMPRESSED': 2048,
'FILE_ATTRIBUTE_DEVICE': 64,
'FILE_ATTRIBUTE_DIRECTORY': 16,
'FILE_ATTRIBUTE_ENCRYPTED': 16384,
'FILE_ATTRIBUTE_HIDDEN': 2,
'FILE_ATTRIBUTE_INTEGRITY_STREAM': 32768,
'FILE_ATTRIBUTE_NORMAL': 128,
'FILE_ATTRIBUTE_NOT_CONTENT_INDEXED': 8192,
'FILE_ATTRIBUTE_NO_SCRUB_DATA': 131072,
'FILE_ATTRIBUTE_OFFLINE': 4096,
'FILE_ATTRIBUTE_READONLY': 1,
'FILE_ATTRIBUTE_REPARSE_POINT': 1024,
'FILE_ATTRIBUTE_SPARSE_FILE': 512,
'FILE_ATTRIBUTE_SYSTEM': 4,
'FILE_ATTRIBUTE_TEMPORARY': 256,
'FILE_ATTRIBUTE_VIRTUAL': 65536}
def setUp(self):
try:
os.remove(TESTFN)
except OSError:
try:
os.rmdir(TESTFN)
except OSError:
pass
tearDown = setUp
def get_mode(self, fname=TESTFN, lstat=True):
if lstat:
st_mode = os.lstat(fname).st_mode
else:
st_mode = os.stat(fname).st_mode
modestr = self.statmod.filemode(st_mode)
return st_mode, modestr
def assertS_IS(self, name, mode):
# test format, lstrip is for S_IFIFO
fmt = getattr(self.statmod, "S_IF" + name.lstrip("F"))
self.assertEqual(self.statmod.S_IFMT(mode), fmt)
# test that just one function returns true
testname = "S_IS" + name
for funcname in self.format_funcs:
func = getattr(self.statmod, funcname, None)
if func is None:
if funcname == testname:
raise ValueError(funcname)
continue
if funcname == testname:
self.assertTrue(func(mode))
else:
self.assertFalse(func(mode))
@os_helper.skip_unless_working_chmod
def test_mode(self):
with open(TESTFN, 'w'):
pass
if os.name == 'posix':
os.chmod(TESTFN, 0o700)
st_mode, modestr = self.get_mode()
self.assertEqual(modestr, '-rwx------')
self.assertS_IS("REG", st_mode)
self.assertEqual(self.statmod.S_IMODE(st_mode),
self.statmod.S_IRWXU)
os.chmod(TESTFN, 0o070)
st_mode, modestr = self.get_mode()
self.assertEqual(modestr, '----rwx---')
self.assertS_IS("REG", st_mode)
self.assertEqual(self.statmod.S_IMODE(st_mode),
self.statmod.S_IRWXG)
os.chmod(TESTFN, 0o007)
st_mode, modestr = self.get_mode()
self.assertEqual(modestr, '-------rwx')
self.assertS_IS("REG", st_mode)
self.assertEqual(self.statmod.S_IMODE(st_mode),
self.statmod.S_IRWXO)
os.chmod(TESTFN, 0o444)
st_mode, modestr = self.get_mode()
self.assertS_IS("REG", st_mode)
self.assertEqual(modestr, '-r--r--r--')
self.assertEqual(self.statmod.S_IMODE(st_mode), 0o444)
else:
os.chmod(TESTFN, 0o700)
st_mode, modestr = self.get_mode()
self.assertEqual(modestr[:3], '-rw')
self.assertS_IS("REG", st_mode)
self.assertEqual(self.statmod.S_IFMT(st_mode),
self.statmod.S_IFREG)
@os_helper.skip_unless_working_chmod
def test_directory(self):
os.mkdir(TESTFN)
os.chmod(TESTFN, 0o700)
st_mode, modestr = self.get_mode()
self.assertS_IS("DIR", st_mode)
if os.name == 'posix':
self.assertEqual(modestr, 'drwx------')
else:
self.assertEqual(modestr[0], 'd')
@os_helper.skip_unless_symlink
def test_link(self):
try:
os.symlink(os.getcwd(), TESTFN)
except (OSError, NotImplementedError) as err:
raise unittest.SkipTest(str(err))
else:
st_mode, modestr = self.get_mode()
self.assertEqual(modestr[0], 'l')
self.assertS_IS("LNK", st_mode)
@unittest.skipUnless(hasattr(os, 'mkfifo'), 'os.mkfifo not available')
def test_fifo(self):
if sys.platform == "vxworks":
fifo_path = os.path.join("/fifos/", TESTFN)
else:
fifo_path = TESTFN
self.addCleanup(os_helper.unlink, fifo_path)
try:
os.mkfifo(fifo_path, 0o700)
except PermissionError as e:
self.skipTest('os.mkfifo(): %s' % e)
st_mode, modestr = self.get_mode(fifo_path)
self.assertEqual(modestr, 'prwx------')
self.assertS_IS("FIFO", st_mode)
@unittest.skipUnless(os.name == 'posix', 'requires Posix')
def test_devices(self):
if os.path.exists(os.devnull):
st_mode, modestr = self.get_mode(os.devnull, lstat=False)
self.assertEqual(modestr[0], 'c')
self.assertS_IS("CHR", st_mode)
# Linux block devices, BSD has no block devices anymore
for blockdev in ("/dev/sda", "/dev/hda"):
if os.path.exists(blockdev):
st_mode, modestr = self.get_mode(blockdev, lstat=False)
self.assertEqual(modestr[0], 'b')
self.assertS_IS("BLK", st_mode)
break
@socket_helper.skip_unless_bind_unix_socket
def test_socket(self):
with socket.socket(socket.AF_UNIX) as s:
s.bind(TESTFN)
st_mode, modestr = self.get_mode()
self.assertEqual(modestr[0], 's')
self.assertS_IS("SOCK", st_mode)
def test_module_attributes(self):
for key, value in self.stat_struct.items():
modvalue = getattr(self.statmod, key)
self.assertEqual(value, modvalue, key)
for key, value in self.permission_bits.items():
modvalue = getattr(self.statmod, key)
self.assertEqual(value, modvalue, key)
for key in self.file_flags:
modvalue = getattr(self.statmod, key)
self.assertIsInstance(modvalue, int)
for key in self.formats:
modvalue = getattr(self.statmod, key)
self.assertIsInstance(modvalue, int)
for key in self.format_funcs:
func = getattr(self.statmod, key)
self.assertTrue(callable(func))
self.assertEqual(func(0), 0)
@unittest.skipUnless(sys.platform == "win32",
"FILE_ATTRIBUTE_* constants are Win32 specific")
def test_file_attribute_constants(self):
for key, value in sorted(self.file_attributes.items()):
self.assertTrue(hasattr(self.statmod, key), key)
modvalue = getattr(self.statmod, key)
self.assertEqual(value, modvalue, key)
class TestFilemodeCStat(TestFilemode, unittest.TestCase):
statmod = c_stat
class TestFilemodePyStat(TestFilemode, unittest.TestCase):
statmod = py_stat
if __name__ == '__main__':
unittest.main()
|
