Python twisted.internet.error.UserError() Examples

def testUserFail(self):
        f = MyServerFactory()
        p = reactor.listenTCP(0, f, interface="127.0.0.1")
        n = p.getHost().port
        self.ports.append(p)

        def startedConnecting(connector):
            connector.stopConnecting()

        factory = ClientStartStopFactory()
        factory.startedConnecting = startedConnecting
        reactor.connectTCP("127.0.0.1", n, factory)

        d = loopUntil(lambda :factory.stopped)
        def check(ignored):
            self.assertEquals(factory.failed, 1)
            factory.reason.trap(error.UserError)
            return self.cleanPorts(*self.ports)
        return d.addCallback(check) 

def test_userFail(self):
        """
        Calling L{IConnector.stopConnecting} in C{Factory.startedConnecting}
        results in C{Factory.clientConnectionFailed} being called with
        L{error.UserError} as the reason.
        """
        serverFactory = MyServerFactory()
        tcpPort = reactor.listenTCP(0, serverFactory, interface="127.0.0.1")
        self.addCleanup(tcpPort.stopListening)
        portNumber = tcpPort.getHost().port

        def startedConnecting(connector):
            connector.stopConnecting()

        clientFactory = ClientStartStopFactory()
        clientFactory.startedConnecting = startedConnecting
        reactor.connectTCP("127.0.0.1", portNumber, clientFactory)

        d = loopUntil(lambda: clientFactory.stopped)
        def check(ignored):
            self.assertEquals(clientFactory.failed, 1)
            clientFactory.reason.trap(error.UserError)
        return d.addCallback(check) 

def stopConnecting(self):
        """
        Stop attempt to connect.
        """
        self.failIfNotConnected(error.UserError()) 

def _windowClosed(self, reason=None):
        if not self.deferredResult.called:
            self.deferredResult.errback(netError.UserError("Window closed.")) 

def stopConnecting(self):
        """Stop attempting to connect."""
        if self.state != "connecting":
            raise error.NotConnectingError, "we're not trying to connect"

        self.state = "disconnected"
        self.transport.failIfNotConnected(error.UserError())
        del self.transport 

def handle_connecting_stopConnecting(self):
        self.connectionFailed(failure.Failure(error.UserError())) 

def stopConnecting(self):
        if self._started:
            self.connector.stopConnecting()
            self._cleanup()
            return            
        self.reactor.drop_postponed(self)
        # for accuracy
        self.factory.startedConnecting(self)
        abort = failure.Failure(error.UserError(string="Connection preempted"))
        self.factory.clientConnectionFailed(self, abort)
        self._cleanup() 

def stopConnecting(self):
        if self._started:
            self.connector.stopConnecting()
            self._cleanup()
            return            
        self.reactor.drop_postponed(self)
        # for accuracy
        self.factory.startedConnecting(self)
        abort = failure.Failure(error.UserError(string="Connection preempted"))
        self.factory.clientConnectionFailed(self, abort)
        self._cleanup() 

def _cancelled(self):
        if not self.deferredResult.called:
            self.deferredResult.errback(netError.UserError("User hit Cancel."))
        self._loginDialog.destroy() 

def stopConnecting(self):
        """Stop attempting to connect."""
        if self.state != "connecting":
            raise error.NotConnectingError, "we're not trying to connect"

        self.state = "disconnected"
        self.transport.failIfNotConnected(error.UserError())
        del self.transport 

def stopConnecting(self):
        """Stop attempt to connect."""
        self.failIfNotConnected(error.UserError()) 

def test_client_close(self):
        """
        close() terminates any outstanding broker connections, ignoring any
        errors.
        """
        reactor, connections, client = self.client_with_metadata(brokers=[
            BrokerMetadata(1, 'kafka0', 9092),
            BrokerMetadata(2, 'kafka2', 9092),
        ])

        request_d = client.load_metadata_for_topics()
        conn1 = connections.accept('kafka*')
        reactor.advance(client.timeout)  # Time out first attempt, try second broker.
        self.assertNoResult(request_d)
        conn2 = connections.accept('kafka*')
        conn2.client.transport.disconnectReason = UserError()

        close_d = client.close()
        self.assertNoResult(close_d)  # Waiting for connection shutdown.

        connections.flush()  # Complete connection shutdown.
        self.assertIs(None, self.successResultOf(close_d))
        self.assertTrue(conn1.server.transport.disconnected)
        self.assertTrue(conn2.server.transport.disconnected)
        # FIXME Afkak #71: The bootstrap retry loop leaves delayed calls (for timeouts)
        # in the reactor.
        self.assertEqual([], reactor.getDelayedCalls()) 

def test_endpointConnectingCancelled(self):
        """
        Calling L{Deferred.cancel} on the L{Deferred} returned from
        L{IStreamClientEndpoint.connect} is errbacked with an expected
        L{ConnectingCancelledError} exception.
        """
        mreactor = MemoryReactor()
        clientFactory = protocol.Factory()
        clientFactory.protocol = protocol.Protocol

        ep, ignoredArgs, address = self.createClientEndpoint(
            deterministicResolvingReactor(mreactor, ['127.0.0.1']),
            clientFactory
        )

        d = ep.connect(clientFactory)
        d.cancel()
        # When canceled, the connector will immediately notify its factory that
        # the connection attempt has failed due to a UserError.
        attemptFactory = self.retrieveConnectedFactory(mreactor)
        attemptFactory.clientConnectionFailed(None, Failure(error.UserError()))
        # This should be a feature of MemoryReactor: <http://tm.tl/5630>.

        failure = self.failureResultOf(d)

        self.assertIsInstance(failure.value, error.ConnectingCancelledError)
        self.assertEqual(failure.value.address, address)
        self.assertTrue(mreactor.tcpClients[0][2]._connector.stoppedConnecting)
        self.assertEqual([], mreactor.getDelayedCalls()) 

def test_endpointConnectingCancelled(self, advance=None):
        """
        Calling L{Deferred.cancel} on the L{Deferred} returned from
        L{IStreamClientEndpoint.connect} will cause it to be errbacked with a
        L{ConnectingCancelledError} exception.
        """
        mreactor = MemoryReactor()

        clientFactory = protocol.Factory()
        clientFactory.protocol = protocol.Protocol

        ep, ignoredArgs, address = self.createClientEndpoint(
            mreactor, clientFactory)

        d = ep.connect(clientFactory)
        if advance is not None:
            mreactor.advance(advance)
        d.cancel()
        # When canceled, the connector will immediately notify its factory that
        # the connection attempt has failed due to a UserError.
        attemptFactory = self.retrieveConnectedFactory(mreactor)
        attemptFactory.clientConnectionFailed(None, Failure(error.UserError()))
        # This should be a feature of MemoryReactor: <http://tm.tl/5630>.

        failure = self.failureResultOf(d)

        self.assertIsInstance(failure.value, error.ConnectingCancelledError)
        self.assertEqual(failure.value.address, address)
        self.assertTrue(mreactor.tcpClients[0][2]._connector.stoppedConnecting)
        self.assertEqual([], mreactor.getDelayedCalls()) 

def test_endpointConnectingCancelled(self):
        """
        Calling L{Deferred.cancel} on the L{Deferred} returned from
        L{IStreamClientEndpoint.connect} is errbacked with an expected
        L{ConnectingCancelledError} exception.
        """
        mreactor = MemoryReactor()

        clientFactory = object()

        ep, ignoredArgs, address = self.createClientEndpoint(
            mreactor, clientFactory)

        d = ep.connect(clientFactory)

        receivedFailures = []

        def checkFailure(f):
            receivedFailures.append(f)

        d.addErrback(checkFailure)

        d.cancel()
        # When canceled, the connector will immediately notify its factory that
        # the connection attempt has failed due to a UserError.
        attemptFactory = self.retrieveConnectedFactory(mreactor)
        attemptFactory.clientConnectionFailed(None, Failure(error.UserError()))
        # This should be a feature of MemoryReactor: <http://tm.tl/5630>.

        self.assertEqual(len(receivedFailures), 1)

        failure = receivedFailures[0]

        self.assertIsInstance(failure.value, error.ConnectingCancelledError)
        self.assertEqual(failure.value.address, address) 

def stopConnecting(self):
        """Stop attempting to connect."""
        if self.state != "connecting":
            raise error.NotConnectingError("we're not trying to connect")

        self.state = "disconnected"
        self.transport.failIfNotConnected(error.UserError())
        del self.transport 

def stopConnecting(self):
        """
        If a connection attempt is still outstanding (i.e.  no connection is
        yet established), immediately stop attempting to connect.
        """
        self.failIfNotConnected(error.UserError()) 

def test_endpointConnectingCancelled(self):
        """
        Calling L{Deferred.cancel} on the L{Deferred} returned from
        L{IStreamClientEndpoint.connect} is errbacked with an expected
        L{ConnectingCancelledError} exception.
        """
        mreactor = MemoryReactor()
        clientFactory = protocol.Factory()
        clientFactory.protocol = protocol.Protocol

        ep, ignoredArgs, address = self.createClientEndpoint(
            deterministicResolvingReactor(mreactor, ['127.0.0.1']),
            clientFactory
        )

        d = ep.connect(clientFactory)
        d.cancel()
        # When canceled, the connector will immediately notify its factory that
        # the connection attempt has failed due to a UserError.
        attemptFactory = self.retrieveConnectedFactory(mreactor)
        attemptFactory.clientConnectionFailed(None, Failure(error.UserError()))
        # This should be a feature of MemoryReactor: <http://tm.tl/5630>.

        failure = self.failureResultOf(d)

        self.assertIsInstance(failure.value, error.ConnectingCancelledError)
        self.assertEqual(failure.value.address, address)
        self.assertTrue(mreactor.tcpClients[0][2]._connector.stoppedConnecting)
        self.assertEqual([], mreactor.getDelayedCalls()) 

def test_endpointConnectingCancelled(self, advance=None):
        """
        Calling L{Deferred.cancel} on the L{Deferred} returned from
        L{IStreamClientEndpoint.connect} will cause it to be errbacked with a
        L{ConnectingCancelledError} exception.
        """
        mreactor = MemoryReactor()

        clientFactory = protocol.Factory()
        clientFactory.protocol = protocol.Protocol

        ep, ignoredArgs, address = self.createClientEndpoint(
            mreactor, clientFactory)

        d = ep.connect(clientFactory)
        if advance is not None:
            mreactor.advance(advance)
        d.cancel()
        # When canceled, the connector will immediately notify its factory that
        # the connection attempt has failed due to a UserError.
        attemptFactory = self.retrieveConnectedFactory(mreactor)
        attemptFactory.clientConnectionFailed(None, Failure(error.UserError()))
        # This should be a feature of MemoryReactor: <http://tm.tl/5630>.

        failure = self.failureResultOf(d)

        self.assertIsInstance(failure.value, error.ConnectingCancelledError)
        self.assertEqual(failure.value.address, address)
        self.assertTrue(mreactor.tcpClients[0][2]._connector.stoppedConnecting)
        self.assertEqual([], mreactor.getDelayedCalls()) 

def test_endpointConnectingCancelled(self):
        """
        Calling L{Deferred.cancel} on the L{Deferred} returned from
        L{IStreamClientEndpoint.connect} is errbacked with an expected
        L{ConnectingCancelledError} exception.
        """
        mreactor = MemoryReactor()

        clientFactory = object()

        ep, ignoredArgs, address = self.createClientEndpoint(
            mreactor, clientFactory)

        d = ep.connect(clientFactory)

        receivedFailures = []

        def checkFailure(f):
            receivedFailures.append(f)

        d.addErrback(checkFailure)

        d.cancel()
        # When canceled, the connector will immediately notify its factory that
        # the connection attempt has failed due to a UserError.
        attemptFactory = self.retrieveConnectedFactory(mreactor)
        attemptFactory.clientConnectionFailed(None, Failure(error.UserError()))
        # This should be a feature of MemoryReactor: <http://tm.tl/5630>.

        self.assertEqual(len(receivedFailures), 1)

        failure = receivedFailures[0]

        self.assertIsInstance(failure.value, error.ConnectingCancelledError)
        self.assertEqual(failure.value.address, address) 

def stopConnecting(self):
        """Stop attempting to connect."""
        if self.state != "connecting":
            raise error.NotConnectingError("we're not trying to connect")

        self.state = "disconnected"
        self.transport.failIfNotConnected(error.UserError())
        del self.transport 

def stopConnecting(self):
        """
        If a connection attempt is still outstanding (i.e.  no connection is
        yet established), immediately stop attempting to connect.
        """
        self.failIfNotConnected(error.UserError())