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
|
"""Test script for the grp module."""
import grp
import unittest
from test import test_support
class GroupDatabaseTestCase(unittest.TestCase):
def check_value(self, value):
# check that a grp tuple has the entries and
# attributes promised by the docs
self.assertEqual(len(value), 4)
self.assertEqual(value[0], value.gr_name)
self.assert_(isinstance(value.gr_name, str))
self.assertEqual(value[1], value.gr_passwd)
self.assert_(isinstance(value.gr_passwd, str))
self.assertEqual(value[2], value.gr_gid)
self.assert_(isinstance(value.gr_gid, int))
self.assertEqual(value[3], value.gr_mem)
self.assert_(isinstance(value.gr_mem, list))
def test_values(self):
entries = grp.getgrall()
for e in entries:
self.check_value(e)
if len(entries) > 1000: # Huge group file (NIS?) -- skip the rest
return
for e in entries:
e2 = grp.getgrgid(e.gr_gid)
self.check_value(e2)
self.assertEqual(e2.gr_gid, e.gr_gid)
e2 = grp.getgrnam(e.gr_name)
self.check_value(e2)
# There are instances where getgrall() returns group names in
# lowercase while getgrgid() returns proper casing.
# Discovered on Ubuntu 5.04 (custom).
self.assertEqual(e2.gr_name.lower(), e.gr_name.lower())
def test_errors(self):
self.assertRaises(TypeError, grp.getgrgid)
self.assertRaises(TypeError, grp.getgrnam)
self.assertRaises(TypeError, grp.getgrall, 42)
# try to get some errors
bynames = {}
bygids = {}
for (n, p, g, mem) in grp.getgrall():
if not n or n == '+':
continue # skip NIS entries etc.
bynames[n] = g
bygids[g] = 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, grp.getgrnam, fakename)
# Choose a non-existent gid.
fakegid = 4127
while fakegid in bygids:
fakegid = (fakegid * 3) % 0x10000
self.assertRaises(KeyError, grp.getgrgid, fakegid)
def test_main():
test_support.run_unittest(GroupDatabaseTestCase)
if __name__ == "__main__":
test_main()
|
