def test_consumerToProtocol(self): """ L{IConsumer} providers can be adapted to L{IProtocol} providers using L{ProtocolToConsumerAdapter}. """ result = [] @implementer(IConsumer) class Consumer(object): def write(self, d): result.append(d) c = Consumer() protocol = IProtocol(c) protocol.dataReceived(b"hello") self.assertEqual(result, [b"hello"]) self.assertIsInstance(protocol, ConsumerToProtocolAdapter)