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annotate Lib/test/test_timeout.py @ 27998:e27f58a50737 legacy-trunk

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SF bug #690377: Dud footnote reference in distutils docs
author Raymond Hettinger <python@rcn.com>
date Fri, 21 Feb 2003 02:47:09 +0000
parents c5ebacbba0be
children 0eb948364990
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1 """Unit tests for socket timeout feature."""
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2
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3 import unittest
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4 from test import test_support
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5
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6 import time
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7 import socket
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8
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9
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10 class CreationTestCase(unittest.TestCase):
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11 """Test case for socket.gettimeout() and socket.settimeout()"""
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12
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13 def setUp(self):
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14 self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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16 def tearDown(self):
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17 self.sock.close()
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18
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19 def testObjectCreation(self):
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20 # Test Socket creation
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21 self.assertEqual(self.sock.gettimeout(), None,
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22 "timeout not disabled by default")
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23
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24 def testFloatReturnValue(self):
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25 # Test return value of gettimeout()
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26 self.sock.settimeout(7.345)
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27 self.assertEqual(self.sock.gettimeout(), 7.345)
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28
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29 self.sock.settimeout(3)
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30 self.assertEqual(self.sock.gettimeout(), 3)
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31
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32 self.sock.settimeout(None)
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33 self.assertEqual(self.sock.gettimeout(), None)
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34
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35 def testReturnType(self):
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36 # Test return type of gettimeout()
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37 self.sock.settimeout(1)
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38 self.assertEqual(type(self.sock.gettimeout()), type(1.0))
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39
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40 self.sock.settimeout(3.9)
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41 self.assertEqual(type(self.sock.gettimeout()), type(1.0))
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42
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43 def testTypeCheck(self):
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44 # Test type checking by settimeout()
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45 self.sock.settimeout(0)
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46 self.sock.settimeout(0L)
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47 self.sock.settimeout(0.0)
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48 self.sock.settimeout(None)
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49 self.assertRaises(TypeError, self.sock.settimeout, "")
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50 self.assertRaises(TypeError, self.sock.settimeout, u"")
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51 self.assertRaises(TypeError, self.sock.settimeout, ())
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52 self.assertRaises(TypeError, self.sock.settimeout, [])
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53 self.assertRaises(TypeError, self.sock.settimeout, {})
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54 self.assertRaises(TypeError, self.sock.settimeout, 0j)
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55
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56 def testRangeCheck(self):
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57 # Test range checking by settimeout()
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58 self.assertRaises(ValueError, self.sock.settimeout, -1)
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59 self.assertRaises(ValueError, self.sock.settimeout, -1L)
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60 self.assertRaises(ValueError, self.sock.settimeout, -1.0)
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61
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62 def testTimeoutThenBlocking(self):
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63 # Test settimeout() followed by setblocking()
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64 self.sock.settimeout(10)
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65 self.sock.setblocking(1)
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66 self.assertEqual(self.sock.gettimeout(), None)
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67 self.sock.setblocking(0)
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68 self.assertEqual(self.sock.gettimeout(), 0.0)
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69
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70 self.sock.settimeout(10)
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71 self.sock.setblocking(0)
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72 self.assertEqual(self.sock.gettimeout(), 0.0)
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73 self.sock.setblocking(1)
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74 self.assertEqual(self.sock.gettimeout(), None)
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75
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76 def testBlockingThenTimeout(self):
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77 # Test setblocking() followed by settimeout()
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78 self.sock.setblocking(0)
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79 self.sock.settimeout(1)
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80 self.assertEqual(self.sock.gettimeout(), 1)
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81
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82 self.sock.setblocking(1)
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83 self.sock.settimeout(1)
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84 self.assertEqual(self.sock.gettimeout(), 1)
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85
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86
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87 class TimeoutTestCase(unittest.TestCase):
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88 """Test case for socket.socket() timeout functions"""
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89
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90 fuzz = 1.0
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91
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92 def setUp(self):
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93 self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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94 self.addr_remote = ('www.google.com', 80)
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95 self.addr_local = ('127.0.0.1', 25339)
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96
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97 def tearDown(self):
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98 self.sock.close()
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99
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100 def testConnectTimeout(self):
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101 # Test connect() timeout
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102 _timeout = 0.001
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103 self.sock.settimeout(_timeout)
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104
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105 _t1 = time.time()
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106 self.failUnlessRaises(socket.error, self.sock.connect,
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107 self.addr_remote)
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108 _t2 = time.time()
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109
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110 _delta = abs(_t1 - _t2)
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111 self.assert_(_delta < _timeout + self.fuzz,
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112 "timeout (%g) is %g seconds more than expected (%g)"
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113 %(_delta, self.fuzz, _timeout))
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114
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115 def testRecvTimeout(self):
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116 # Test recv() timeout
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117 _timeout = 0.02
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118 self.sock.connect(self.addr_remote)
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119 self.sock.settimeout(_timeout)
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120
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121 _t1 = time.time()
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122 self.failUnlessRaises(socket.error, self.sock.recv, 1024)
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123 _t2 = time.time()
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124
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125 _delta = abs(_t1 - _t2)
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126 self.assert_(_delta < _timeout + self.fuzz,
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127 "timeout (%g) is %g seconds more than expected (%g)"
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128 %(_delta, self.fuzz, _timeout))
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129
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130 def testAcceptTimeout(self):
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131 # Test accept() timeout
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132 _timeout = 2
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133 self.sock.settimeout(_timeout)
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134 self.sock.bind(self.addr_local)
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135 self.sock.listen(5)
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136
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137 _t1 = time.time()
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138 self.failUnlessRaises(socket.error, self.sock.accept)
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139 _t2 = time.time()
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140
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141 _delta = abs(_t1 - _t2)
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142 self.assert_(_delta < _timeout + self.fuzz,
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143 "timeout (%g) is %g seconds more than expected (%g)"
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144 %(_delta, self.fuzz, _timeout))
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145
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146 def testRecvfromTimeout(self):
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147 # Test recvfrom() timeout
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148 _timeout = 2
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149 self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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150 self.sock.settimeout(_timeout)
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151 self.sock.bind(self.addr_local)
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152
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153 _t1 = time.time()
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154 self.failUnlessRaises(socket.error, self.sock.recvfrom, 8192)
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155 _t2 = time.time()
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156
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157 _delta = abs(_t1 - _t2)
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158 self.assert_(_delta < _timeout + self.fuzz,
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159 "timeout (%g) is %g seconds more than expected (%g)"
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160 %(_delta, self.fuzz, _timeout))
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161
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162 def testSend(self):
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163 # Test send() timeout
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164 # couldn't figure out how to test it
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165 pass
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166
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167 def testSendto(self):
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168 # Test sendto() timeout
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169 # couldn't figure out how to test it
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170 pass
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171
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172 def testSendall(self):
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173 # Test sendall() timeout
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174 # couldn't figure out how to test it
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175 pass
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176
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177
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178 def test_main():
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179 suite = unittest.TestSuite()
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180 suite.addTest(unittest.makeSuite(CreationTestCase))
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181 suite.addTest(unittest.makeSuite(TimeoutTestCase))
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182 test_support.run_suite(suite)
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183
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184 if __name__ == "__main__":
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185 test_main()