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
|
"""Unit tests for socket timeout feature."""
import unittest
from test import test_support
# This requires the 'network' resource as given on the regrtest command line.
skip_expected = not test_support.is_resource_enabled('network')
import time
import socket
class CreationTestCase(unittest.TestCase):
"""Test case for socket.gettimeout() and socket.settimeout()"""
def setUp(self):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
def tearDown(self):
self.sock.close()
def testObjectCreation(self):
# Test Socket creation
self.assertEqual(self.sock.gettimeout(), None,
"timeout not disabled by default")
def testFloatReturnValue(self):
# Test return value of gettimeout()
self.sock.settimeout(7.345)
self.assertEqual(self.sock.gettimeout(), 7.345)
self.sock.settimeout(3)
self.assertEqual(self.sock.gettimeout(), 3)
self.sock.settimeout(None)
self.assertEqual(self.sock.gettimeout(), None)
def testReturnType(self):
# Test return type of gettimeout()
self.sock.settimeout(1)
self.assertEqual(type(self.sock.gettimeout()), type(1.0))
self.sock.settimeout(3.9)
self.assertEqual(type(self.sock.gettimeout()), type(1.0))
def testTypeCheck(self):
# Test type checking by settimeout()
self.sock.settimeout(0)
self.sock.settimeout(0L)
self.sock.settimeout(0.0)
self.sock.settimeout(None)
self.assertRaises(TypeError, self.sock.settimeout, "")
self.assertRaises(TypeError, self.sock.settimeout, u"")
self.assertRaises(TypeError, self.sock.settimeout, ())
self.assertRaises(TypeError, self.sock.settimeout, [])
self.assertRaises(TypeError, self.sock.settimeout, {})
self.assertRaises(TypeError, self.sock.settimeout, 0j)
def testRangeCheck(self):
# Test range checking by settimeout()
self.assertRaises(ValueError, self.sock.settimeout, -1)
self.assertRaises(ValueError, self.sock.settimeout, -1L)
self.assertRaises(ValueError, self.sock.settimeout, -1.0)
def testTimeoutThenBlocking(self):
# Test settimeout() followed by setblocking()
self.sock.settimeout(10)
self.sock.setblocking(1)
self.assertEqual(self.sock.gettimeout(), None)
self.sock.setblocking(0)
self.assertEqual(self.sock.gettimeout(), 0.0)
self.sock.settimeout(10)
self.sock.setblocking(0)
self.assertEqual(self.sock.gettimeout(), 0.0)
self.sock.setblocking(1)
self.assertEqual(self.sock.gettimeout(), None)
def testBlockingThenTimeout(self):
# Test setblocking() followed by settimeout()
self.sock.setblocking(0)
self.sock.settimeout(1)
self.assertEqual(self.sock.gettimeout(), 1)
self.sock.setblocking(1)
self.sock.settimeout(1)
self.assertEqual(self.sock.gettimeout(), 1)
class TimeoutTestCase(unittest.TestCase):
"""Test case for socket.socket() timeout functions"""
# There are a number of tests here trying to make sure that an operation
# doesn't take too much longer than expected. But competing machine
# activity makes it inevitable that such tests will fail at times.
# When fuzz was at 1.0, I (tim) routinely saw bogus failures on Win2K
# and Win98SE. Boosting it to 2.0 helped a lot, but isn't a real
# solution.
fuzz = 2.0
def setUp(self):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.addr_remote = ('www.python.org', 80)
self.addr_local = ('127.0.0.1', 25339)
def tearDown(self):
self.sock.close()
def testConnectTimeout(self):
# Test connect() timeout
_timeout = 0.001
self.sock.settimeout(_timeout)
# If we are too close to www.python.org, this test will fail.
# Pick a host that should be farther away.
if socket.getfqdn().split('.')[-2:] == ['python', 'org']:
self.addr_remote = ('python.net', 80)
_t1 = time.time()
self.failUnlessRaises(socket.error, self.sock.connect,
self.addr_remote)
_t2 = time.time()
_delta = abs(_t1 - _t2)
self.assert_(_delta < _timeout + self.fuzz,
"timeout (%g) is more than %g seconds more than expected (%g)"
%(_delta, self.fuzz, _timeout))
def testRecvTimeout(self):
# Test recv() timeout
_timeout = 0.02
self.sock.connect(self.addr_remote)
self.sock.settimeout(_timeout)
_t1 = time.time()
self.failUnlessRaises(socket.error, self.sock.recv, 1024)
_t2 = time.time()
_delta = abs(_t1 - _t2)
self.assert_(_delta < _timeout + self.fuzz,
"timeout (%g) is %g seconds more than expected (%g)"
%(_delta, self.fuzz, _timeout))
def testAcceptTimeout(self):
# Test accept() timeout
_timeout = 2
self.sock.settimeout(_timeout)
self.sock.bind(self.addr_local)
self.sock.listen(5)
_t1 = time.time()
self.failUnlessRaises(socket.error, self.sock.accept)
_t2 = time.time()
_delta = abs(_t1 - _t2)
self.assert_(_delta < _timeout + self.fuzz,
"timeout (%g) is %g seconds more than expected (%g)"
%(_delta, self.fuzz, _timeout))
def testRecvfromTimeout(self):
# Test recvfrom() timeout
_timeout = 2
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sock.settimeout(_timeout)
self.sock.bind(self.addr_local)
_t1 = time.time()
self.failUnlessRaises(socket.error, self.sock.recvfrom, 8192)
_t2 = time.time()
_delta = abs(_t1 - _t2)
self.assert_(_delta < _timeout + self.fuzz,
"timeout (%g) is %g seconds more than expected (%g)"
%(_delta, self.fuzz, _timeout))
def testSend(self):
# Test send() timeout
# couldn't figure out how to test it
pass
def testSendto(self):
# Test sendto() timeout
# couldn't figure out how to test it
pass
def testSendall(self):
# Test sendall() timeout
# couldn't figure out how to test it
pass
def test_main():
test_support.requires('network')
test_support.run_unittest(CreationTestCase, TimeoutTestCase)
if __name__ == "__main__":
test_main()
|
