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"""Unit tests for socket timeout feature."""
import unittest
import test_support
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"""
fuzz = 1.0
def setUp(self):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.addr_remote = ('www.google.com', 80)
self.addr_local = ('127.0.0.1', 25339)
def tearDown(self):
self.sock.close()
def testConnectTimeout(self):
"Test connect() timeout"
_timeout = 0.02
self.sock.settimeout(_timeout)
_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 %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 main():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(CreationTestCase))
suite.addTest(unittest.makeSuite(TimeoutTestCase))
test_support.run_suite(suite)
if __name__ == "__main__":
main()
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