test_protocol.py 文件源码

def test_cancelConnectTCPTimeout(self):
        """
        L{ClientCreator.connectTCP} inserts a very short delayed call between
        the time the connection is established and the time the L{Deferred}
        returned from one of its connect methods actually fires.  If the
        L{Deferred} is cancelled in this interval, the established connection is
        closed, the timeout is cancelled, and the L{Deferred} fails with
        L{CancelledError}.
        """
        def connect(reactor, cc):
            d = cc.connectTCP('example.com', 1234)
            host, port, factory, timeout, bindAddress = reactor.tcpClients.pop()
            protocol = factory.buildProtocol(None)
            transport = StringTransport()
            protocol.makeConnection(transport)
            return d
        return self._cancelConnectTimeoutTest(connect)