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
|
import unittest
from test import support
pwd = support.import_module('pwd')
class PwdTest(unittest.TestCase):
def test_values(self):
entries = pwd.getpwall()
entriesbyname = {}
entriesbyuid = {}
for e in entries:
self.assertEqual(len(e), 7)
self.assertEqual(e[0], e.pw_name)
self.assertIsInstance(e.pw_name, str)
self.assertEqual(e[1], e.pw_passwd)
self.assertIsInstance(e.pw_passwd, str)
self.assertEqual(e[2], e.pw_uid)
self.assertIsInstance(e.pw_uid, int)
self.assertEqual(e[3], e.pw_gid)
self.assertIsInstance(e.pw_gid, int)
self.assertEqual(e[4], e.pw_gecos)
self.assertIsInstance(e.pw_gecos, str)
self.assertEqual(e[5], e.pw_dir)
self.assertIsInstance(e.pw_dir, str)
self.assertEqual(e[6], e.pw_shell)
self.assertIsInstance(e.pw_shell, str)
# The following won't work, because of duplicate entries
# for one uid
# self.assertEqual(pwd.getpwuid(e.pw_uid), e)
# instead of this collect all entries for one uid
# and check afterwards
entriesbyname.setdefault(e.pw_name, []).append(e)
entriesbyuid.setdefault(e.pw_uid, []).append(e)
if len(entries) > 1000: # Huge passwd file (NIS?) -- skip the rest
return
# check whether the entry returned by getpwuid()
# for each uid is among those from getpwall() for this uid
for e in entries:
if not e[0] or e[0] == '+':
continue # skip NIS entries etc.
self.assertIn(pwd.getpwnam(e.pw_name), entriesbyname[e.pw_name])
self.assertIn(pwd.getpwuid(e.pw_uid), entriesbyuid[e.pw_uid])
def test_errors(self):
self.assertRaises(TypeError, pwd.getpwuid)
self.assertRaises(TypeError, pwd.getpwnam)
self.assertRaises(TypeError, pwd.getpwall, 42)
# try to get some errors
bynames = {}
byuids = {}
for (n, p, u, g, gecos, d, s) in pwd.getpwall():
bynames[n] = u
byuids[u] = n
allnames = list(bynames.keys())
namei = 0
fakename = allnames[namei]
while fakename in bynames:
chars = list(fakename)
for i in range(len(chars)):
if chars[i] == 'z':
chars[i] = 'A'
break
elif chars[i] == 'Z':
continue
else:
chars[i] = chr(ord(chars[i]) + 1)
break
else:
namei = namei + 1
try:
fakename = allnames[namei]
except IndexError:
# should never happen... if so, just forget it
break
fakename = ''.join(chars)
self.assertRaises(KeyError, pwd.getpwnam, fakename)
# Choose a non-existent uid.
fakeuid = 4127
while fakeuid in byuids:
fakeuid = (fakeuid * 3) % 0x10000
self.assertRaises(KeyError, pwd.getpwuid, fakeuid)
def test_main():
support.run_unittest(PwdTest)
if __name__ == "__main__":
test_main()
|
