| 4710c53d |
1 | """Unit tests for socket timeout feature."""\r |
| 2 | \r |
| 3 | import unittest\r |
| 4 | from test import test_support\r |
| 5 | \r |
| 6 | # This requires the 'network' resource as given on the regrtest command line.\r |
| 7 | skip_expected = not test_support.is_resource_enabled('network')\r |
| 8 | \r |
| 9 | import time\r |
| 10 | import socket\r |
| 11 | \r |
| 12 | \r |
| 13 | class CreationTestCase(unittest.TestCase):\r |
| 14 | """Test case for socket.gettimeout() and socket.settimeout()"""\r |
| 15 | \r |
| 16 | def setUp(self):\r |
| 17 | self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\r |
| 18 | \r |
| 19 | def tearDown(self):\r |
| 20 | self.sock.close()\r |
| 21 | \r |
| 22 | def testObjectCreation(self):\r |
| 23 | # Test Socket creation\r |
| 24 | self.assertEqual(self.sock.gettimeout(), None,\r |
| 25 | "timeout not disabled by default")\r |
| 26 | \r |
| 27 | def testFloatReturnValue(self):\r |
| 28 | # Test return value of gettimeout()\r |
| 29 | self.sock.settimeout(7.345)\r |
| 30 | self.assertEqual(self.sock.gettimeout(), 7.345)\r |
| 31 | \r |
| 32 | self.sock.settimeout(3)\r |
| 33 | self.assertEqual(self.sock.gettimeout(), 3)\r |
| 34 | \r |
| 35 | self.sock.settimeout(None)\r |
| 36 | self.assertEqual(self.sock.gettimeout(), None)\r |
| 37 | \r |
| 38 | def testReturnType(self):\r |
| 39 | # Test return type of gettimeout()\r |
| 40 | self.sock.settimeout(1)\r |
| 41 | self.assertEqual(type(self.sock.gettimeout()), type(1.0))\r |
| 42 | \r |
| 43 | self.sock.settimeout(3.9)\r |
| 44 | self.assertEqual(type(self.sock.gettimeout()), type(1.0))\r |
| 45 | \r |
| 46 | def testTypeCheck(self):\r |
| 47 | # Test type checking by settimeout()\r |
| 48 | self.sock.settimeout(0)\r |
| 49 | self.sock.settimeout(0L)\r |
| 50 | self.sock.settimeout(0.0)\r |
| 51 | self.sock.settimeout(None)\r |
| 52 | self.assertRaises(TypeError, self.sock.settimeout, "")\r |
| 53 | self.assertRaises(TypeError, self.sock.settimeout, u"")\r |
| 54 | self.assertRaises(TypeError, self.sock.settimeout, ())\r |
| 55 | self.assertRaises(TypeError, self.sock.settimeout, [])\r |
| 56 | self.assertRaises(TypeError, self.sock.settimeout, {})\r |
| 57 | self.assertRaises(TypeError, self.sock.settimeout, 0j)\r |
| 58 | \r |
| 59 | def testRangeCheck(self):\r |
| 60 | # Test range checking by settimeout()\r |
| 61 | self.assertRaises(ValueError, self.sock.settimeout, -1)\r |
| 62 | self.assertRaises(ValueError, self.sock.settimeout, -1L)\r |
| 63 | self.assertRaises(ValueError, self.sock.settimeout, -1.0)\r |
| 64 | \r |
| 65 | def testTimeoutThenBlocking(self):\r |
| 66 | # Test settimeout() followed by setblocking()\r |
| 67 | self.sock.settimeout(10)\r |
| 68 | self.sock.setblocking(1)\r |
| 69 | self.assertEqual(self.sock.gettimeout(), None)\r |
| 70 | self.sock.setblocking(0)\r |
| 71 | self.assertEqual(self.sock.gettimeout(), 0.0)\r |
| 72 | \r |
| 73 | self.sock.settimeout(10)\r |
| 74 | self.sock.setblocking(0)\r |
| 75 | self.assertEqual(self.sock.gettimeout(), 0.0)\r |
| 76 | self.sock.setblocking(1)\r |
| 77 | self.assertEqual(self.sock.gettimeout(), None)\r |
| 78 | \r |
| 79 | def testBlockingThenTimeout(self):\r |
| 80 | # Test setblocking() followed by settimeout()\r |
| 81 | self.sock.setblocking(0)\r |
| 82 | self.sock.settimeout(1)\r |
| 83 | self.assertEqual(self.sock.gettimeout(), 1)\r |
| 84 | \r |
| 85 | self.sock.setblocking(1)\r |
| 86 | self.sock.settimeout(1)\r |
| 87 | self.assertEqual(self.sock.gettimeout(), 1)\r |
| 88 | \r |
| 89 | \r |
| 90 | class TimeoutTestCase(unittest.TestCase):\r |
| 91 | """Test case for socket.socket() timeout functions"""\r |
| 92 | \r |
| 93 | # There are a number of tests here trying to make sure that an operation\r |
| 94 | # doesn't take too much longer than expected. But competing machine\r |
| 95 | # activity makes it inevitable that such tests will fail at times.\r |
| 96 | # When fuzz was at 1.0, I (tim) routinely saw bogus failures on Win2K\r |
| 97 | # and Win98SE. Boosting it to 2.0 helped a lot, but isn't a real\r |
| 98 | # solution.\r |
| 99 | fuzz = 2.0\r |
| 100 | \r |
| 101 | def setUp(self):\r |
| 102 | self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\r |
| 103 | self.addr_remote = ('www.python.org.', 80)\r |
| 104 | self.localhost = '127.0.0.1'\r |
| 105 | \r |
| 106 | def tearDown(self):\r |
| 107 | self.sock.close()\r |
| 108 | \r |
| 109 | def testConnectTimeout(self):\r |
| 110 | # Choose a private address that is unlikely to exist to prevent\r |
| 111 | # failures due to the connect succeeding before the timeout.\r |
| 112 | # Use a dotted IP address to avoid including the DNS lookup time\r |
| 113 | # with the connect time. This avoids failing the assertion that\r |
| 114 | # the timeout occurred fast enough.\r |
| 115 | addr = ('10.0.0.0', 12345)\r |
| 116 | \r |
| 117 | # Test connect() timeout\r |
| 118 | _timeout = 0.001\r |
| 119 | self.sock.settimeout(_timeout)\r |
| 120 | \r |
| 121 | _t1 = time.time()\r |
| 122 | self.assertRaises(socket.error, self.sock.connect, addr)\r |
| 123 | _t2 = time.time()\r |
| 124 | \r |
| 125 | _delta = abs(_t1 - _t2)\r |
| 126 | self.assertTrue(_delta < _timeout + self.fuzz,\r |
| 127 | "timeout (%g) is more than %g seconds more than expected (%g)"\r |
| 128 | %(_delta, self.fuzz, _timeout))\r |
| 129 | \r |
| 130 | def testRecvTimeout(self):\r |
| 131 | # Test recv() timeout\r |
| 132 | _timeout = 0.02\r |
| 133 | \r |
| 134 | with test_support.transient_internet(self.addr_remote[0]):\r |
| 135 | self.sock.connect(self.addr_remote)\r |
| 136 | self.sock.settimeout(_timeout)\r |
| 137 | \r |
| 138 | _t1 = time.time()\r |
| 139 | self.assertRaises(socket.timeout, self.sock.recv, 1024)\r |
| 140 | _t2 = time.time()\r |
| 141 | \r |
| 142 | _delta = abs(_t1 - _t2)\r |
| 143 | self.assertTrue(_delta < _timeout + self.fuzz,\r |
| 144 | "timeout (%g) is %g seconds more than expected (%g)"\r |
| 145 | %(_delta, self.fuzz, _timeout))\r |
| 146 | \r |
| 147 | def testAcceptTimeout(self):\r |
| 148 | # Test accept() timeout\r |
| 149 | _timeout = 2\r |
| 150 | self.sock.settimeout(_timeout)\r |
| 151 | # Prevent "Address already in use" socket exceptions\r |
| 152 | test_support.bind_port(self.sock, self.localhost)\r |
| 153 | self.sock.listen(5)\r |
| 154 | \r |
| 155 | _t1 = time.time()\r |
| 156 | self.assertRaises(socket.error, self.sock.accept)\r |
| 157 | _t2 = time.time()\r |
| 158 | \r |
| 159 | _delta = abs(_t1 - _t2)\r |
| 160 | self.assertTrue(_delta < _timeout + self.fuzz,\r |
| 161 | "timeout (%g) is %g seconds more than expected (%g)"\r |
| 162 | %(_delta, self.fuzz, _timeout))\r |
| 163 | \r |
| 164 | def testRecvfromTimeout(self):\r |
| 165 | # Test recvfrom() timeout\r |
| 166 | _timeout = 2\r |
| 167 | self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)\r |
| 168 | self.sock.settimeout(_timeout)\r |
| 169 | # Prevent "Address already in use" socket exceptions\r |
| 170 | test_support.bind_port(self.sock, self.localhost)\r |
| 171 | \r |
| 172 | _t1 = time.time()\r |
| 173 | self.assertRaises(socket.error, self.sock.recvfrom, 8192)\r |
| 174 | _t2 = time.time()\r |
| 175 | \r |
| 176 | _delta = abs(_t1 - _t2)\r |
| 177 | self.assertTrue(_delta < _timeout + self.fuzz,\r |
| 178 | "timeout (%g) is %g seconds more than expected (%g)"\r |
| 179 | %(_delta, self.fuzz, _timeout))\r |
| 180 | \r |
| 181 | def testSend(self):\r |
| 182 | # Test send() timeout\r |
| 183 | # couldn't figure out how to test it\r |
| 184 | pass\r |
| 185 | \r |
| 186 | def testSendto(self):\r |
| 187 | # Test sendto() timeout\r |
| 188 | # couldn't figure out how to test it\r |
| 189 | pass\r |
| 190 | \r |
| 191 | def testSendall(self):\r |
| 192 | # Test sendall() timeout\r |
| 193 | # couldn't figure out how to test it\r |
| 194 | pass\r |
| 195 | \r |
| 196 | \r |
| 197 | def test_main():\r |
| 198 | test_support.requires('network')\r |
| 199 | test_support.run_unittest(CreationTestCase, TimeoutTestCase)\r |
| 200 | \r |
| 201 | if __name__ == "__main__":\r |
| 202 | test_main()\r |
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