def test_interfacesForTransport(self): """ If the protocol objects returned by the factory given to L{ClientService} provide special "marker" interfaces for their transport - L{IHalfCloseableProtocol} or L{IFileDescriptorReceiver} - those interfaces will be provided by the protocol objects passed on to the reactor. """ @implementer(IHalfCloseableProtocol, IFileDescriptorReceiver) class FancyProtocol(Protocol, object): """ Provider of various interfaces. """ cq, service = self.makeReconnector(protocolType=FancyProtocol) reactorFacing = cq.constructedProtocols[0] self.assertTrue(IFileDescriptorReceiver.providedBy(reactorFacing)) self.assertTrue(IHalfCloseableProtocol.providedBy(reactorFacing))