Qt.git - Qt s a cross-platform application framework that is used for developing application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while still being a native application with native capabilities and speed.

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"""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)

        _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()


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