Python code coverage for Lib/test/test_grp.py

#	count	content
1	n/a	"""Test script for the grp module."""
2	n/a
3	n/a	import unittest
4	n/a	from test import support
5	n/a
6	n/a	grp = support.import_module('grp')
7	n/a
8	n/a	class GroupDatabaseTestCase(unittest.TestCase):
9	n/a
10	n/a	def check_value(self, value):
11	n/a	# check that a grp tuple has the entries and
12	n/a	# attributes promised by the docs
13	n/a	self.assertEqual(len(value), 4)
14	n/a	self.assertEqual(value[0], value.gr_name)
15	n/a	self.assertIsInstance(value.gr_name, str)
16	n/a	self.assertEqual(value[1], value.gr_passwd)
17	n/a	self.assertIsInstance(value.gr_passwd, str)
18	n/a	self.assertEqual(value[2], value.gr_gid)
19	n/a	self.assertIsInstance(value.gr_gid, int)
20	n/a	self.assertEqual(value[3], value.gr_mem)
21	n/a	self.assertIsInstance(value.gr_mem, list)
22	n/a
23	n/a	def test_values(self):
24	n/a	entries = grp.getgrall()
25	n/a
26	n/a	for e in entries:
27	n/a	self.check_value(e)
28	n/a
29	n/a	def test_values_extended(self):
30	n/a	entries = grp.getgrall()
31	n/a	if len(entries) > 1000: # Huge group file (NIS?) -- skip the rest
32	n/a	self.skipTest('huge group file, extended test skipped')
33	n/a
34	n/a	for e in entries:
35	n/a	e2 = grp.getgrgid(e.gr_gid)
36	n/a	self.check_value(e2)
37	n/a	self.assertEqual(e2.gr_gid, e.gr_gid)
38	n/a	name = e.gr_name
39	n/a	if name.startswith('+') or name.startswith('-'):
40	n/a	# NIS-related entry
41	n/a	continue
42	n/a	e2 = grp.getgrnam(name)
43	n/a	self.check_value(e2)
44	n/a	# There are instances where getgrall() returns group names in
45	n/a	# lowercase while getgrgid() returns proper casing.
46	n/a	# Discovered on Ubuntu 5.04 (custom).
47	n/a	self.assertEqual(e2.gr_name.lower(), name.lower())
48	n/a
49	n/a	def test_errors(self):
50	n/a	self.assertRaises(TypeError, grp.getgrgid)
51	n/a	self.assertRaises(TypeError, grp.getgrnam)
52	n/a	self.assertRaises(TypeError, grp.getgrall, 42)
53	n/a
54	n/a	# try to get some errors
55	n/a	bynames = {}
56	n/a	bygids = {}
57	n/a	for (n, p, g, mem) in grp.getgrall():
58	n/a	if not n or n == '+':
59	n/a	continue # skip NIS entries etc.
60	n/a	bynames[n] = g
61	n/a	bygids[g] = n
62	n/a
63	n/a	allnames = list(bynames.keys())
64	n/a	namei = 0
65	n/a	fakename = allnames[namei]
66	n/a	while fakename in bynames:
67	n/a	chars = list(fakename)
68	n/a	for i in range(len(chars)):
69	n/a	if chars[i] == 'z':
70	n/a	chars[i] = 'A'
71	n/a	break
72	n/a	elif chars[i] == 'Z':
73	n/a	continue
74	n/a	else:
75	n/a	chars[i] = chr(ord(chars[i]) + 1)
76	n/a	break
77	n/a	else:
78	n/a	namei = namei + 1
79	n/a	try:
80	n/a	fakename = allnames[namei]
81	n/a	except IndexError:
82	n/a	# should never happen... if so, just forget it
83	n/a	break
84	n/a	fakename = ''.join(chars)
85	n/a
86	n/a	self.assertRaises(KeyError, grp.getgrnam, fakename)
87	n/a
88	n/a	# Choose a non-existent gid.
89	n/a	fakegid = 4127
90	n/a	while fakegid in bygids:
91	n/a	fakegid = (fakegid * 3) % 0x10000
92	n/a
93	n/a	self.assertRaises(KeyError, grp.getgrgid, fakegid)
94	n/a
95	n/a	def test_noninteger_gid(self):
96	n/a	entries = grp.getgrall()
97	n/a	if not entries:
98	n/a	self.skipTest('no groups')
99	n/a	# Choose an existent gid.
100	n/a	gid = entries[0][2]
101	n/a	self.assertWarns(DeprecationWarning, grp.getgrgid, float(gid))
102	n/a	self.assertWarns(DeprecationWarning, grp.getgrgid, str(gid))
103	n/a
104	n/a
105	n/a	if __name__ == "__main__":
106	n/a	unittest.main()