Ejemplo n.º 1
0
 def test_coro():
     try:
         s = Session()
         reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
         reader_adapted, writer_adapted = adapt(reader, writer)
         handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
         handler.attach(s, reader_adapted, writer_adapted)
         yield from self.start_handler(handler, s)
         message = yield from handler.mqtt_publish("/topic", b"test_data", QOS_0, False)
         self.assertIsInstance(message, OutgoingApplicationMessage)
         self.assertIsNotNone(message.publish_packet)
         self.assertIsNone(message.puback_packet)
         self.assertIsNone(message.pubrec_packet)
         self.assertIsNone(message.pubrel_packet)
         self.assertIsNone(message.pubcomp_packet)
         yield from self.stop_handler(handler, s)
         future.set_result(True)
     except Exception as ae:
         future.set_exception(ae)
Ejemplo n.º 2
0
 def test_coro():
     try:
         s = Session()
         reader, writer = yield from asyncio.open_connection('127.0.0.1', 8888, loop=self.loop)
         reader_adapted, writer_adapted = adapt(reader, writer)
         handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
         handler.attach(s, reader_adapted, writer_adapted)
         yield from self.start_handler(handler, s)
         message = yield from handler.mqtt_publish('/topic', b'test_data', QOS_0, False)
         self.assertIsInstance(message, OutgoingApplicationMessage)
         self.assertIsNotNone(message.publish_packet)
         self.assertIsNone(message.puback_packet)
         self.assertIsNone(message.pubrec_packet)
         self.assertIsNone(message.pubrel_packet)
         self.assertIsNone(message.pubcomp_packet)
         yield from self.stop_handler(handler, s)
         future.set_result(True)
     except Exception as ae:
         future.set_exception(ae)
Ejemplo n.º 3
0
class ProtocolHandlerTest(unittest.TestCase):
    def setUp(self):
        self.loop = asyncio.new_event_loop()
        asyncio.set_event_loop(self.loop)
        self.plugin_manager = PluginManager("hbmqtt.test.plugins",
                                            context=None,
                                            loop=self.loop)

    def tearDown(self):
        self.loop.close()

    def test_init_handler(self):
        s = Session()
        handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
        self.assertIsNone(handler.session)
        self.assertIs(handler._loop, self.loop)
        self.check_empty_waiters(handler)

    def test_start_stop(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            pass

        @asyncio.coroutine
        def test_coro():
            try:
                s = Session()
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888)
                reader_adapted, writer_adapted = adapt(reader, writer)
                handler = ProtocolHandler(self.plugin_manager)
                handler.attach(s, reader_adapted, writer_adapted)
                yield from self.start_handler(handler, s)
                yield from self.stop_handler(handler, s)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock, '127.0.0.1', 8888)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos0(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = yield from PublishPacket.from_stream(reader)
                self.assertEqual(packet.variable_header.topic_name, '/topic')
                self.assertEqual(packet.qos, QOS_0)
                self.assertIsNone(packet.packet_id)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                s = Session()
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                handler.attach(s, reader_adapted, writer_adapted)
                yield from self.start_handler(handler, s)
                message = yield from handler.mqtt_publish(
                    '/topic', b'test_data', QOS_0, False)
                self.assertIsInstance(message, OutgoingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(handler, s)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos1(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            packet = yield from PublishPacket.from_stream(reader)
            try:
                self.assertEqual(packet.variable_header.topic_name, '/topic')
                self.assertEqual(packet.qos, QOS_1)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._puback_waiters)
                puback = PubackPacket.build(packet.packet_id)
                yield from puback.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager,
                                               loop=self.loop)
                self.handler.attach(self.session, reader_adapted,
                                    writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_publish(
                    '/topic', b'test_data', QOS_1, False)
                self.assertIsInstance(message, OutgoingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNotNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos2(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = yield from PublishPacket.from_stream(reader)
                self.assertEqual(packet.topic_name, '/topic')
                self.assertEqual(packet.qos, QOS_2)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._pubrec_waiters)
                pubrec = PubrecPacket.build(packet.packet_id)
                yield from pubrec.to_stream(writer)

                pubrel = yield from PubrelPacket.from_stream(reader)
                self.assertIn(packet.packet_id, self.handler._pubcomp_waiters)
                pubcomp = PubcompPacket.build(packet.packet_id)
                yield from pubcomp.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager,
                                               loop=self.loop)
                self.handler.attach(self.session, reader_adapted,
                                    writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_publish(
                    '/topic', b'test_data', QOS_2, False)
                self.assertIsInstance(message, OutgoingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNotNone(message.pubrec_packet)
                self.assertIsNotNone(message.pubrel_packet)
                self.assertIsNotNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_receive_qos0(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            packet = PublishPacket.build('/topic', b'test_data',
                                         rand_packet_id(), False, QOS_0, False)
            yield from packet.to_stream(writer)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager,
                                               loop=self.loop)
                self.handler.attach(self.session, reader_adapted,
                                    writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_deliver_next_message()
                self.assertIsInstance(message, IncomingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_receive_qos1(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = PublishPacket.build('/topic', b'test_data',
                                             rand_packet_id(), False, QOS_1,
                                             False)
                yield from packet.to_stream(writer)
                puback = yield from PubackPacket.from_stream(reader)
                self.assertIsNotNone(puback)
                self.assertEqual(packet.packet_id, puback.packet_id)
            except Exception as ae:
                print(ae)
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager,
                                               loop=self.loop)
                self.handler.attach(self.session, reader_adapted,
                                    writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_deliver_next_message()
                self.assertIsInstance(message, IncomingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNotNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)
        self.event = asyncio.Event(loop=self.loop)
        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_receive_qos2(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = PublishPacket.build('/topic', b'test_data',
                                             rand_packet_id(), False, QOS_2,
                                             False)
                yield from packet.to_stream(writer)
                pubrec = yield from PubrecPacket.from_stream(reader)
                self.assertIsNotNone(pubrec)
                self.assertEqual(packet.packet_id, pubrec.packet_id)
                self.assertIn(packet.packet_id, self.handler._pubrel_waiters)
                pubrel = PubrelPacket.build(packet.packet_id)
                yield from pubrel.to_stream(writer)
                pubcomp = yield from PubcompPacket.from_stream(reader)
                self.assertIsNotNone(pubcomp)
                self.assertEqual(packet.packet_id, pubcomp.packet_id)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager,
                                               loop=self.loop)
                self.handler.attach(self.session, reader_adapted,
                                    writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_deliver_next_message()
                self.assertIsInstance(message, IncomingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNotNone(message.pubrec_packet)
                self.assertIsNotNone(message.pubrel_packet)
                self.assertIsNotNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    @asyncio.coroutine
    def start_handler(self, handler, session):
        self.check_empty_waiters(handler)
        self.check_no_message(session)
        yield from handler.start()
        self.assertTrue(handler._reader_ready)

    @asyncio.coroutine
    def stop_handler(self, handler, session):
        yield from handler.stop()
        self.assertTrue(handler._reader_stopped)
        self.check_empty_waiters(handler)
        self.check_no_message(session)

    def check_empty_waiters(self, handler):
        self.assertFalse(handler._puback_waiters)
        self.assertFalse(handler._pubrec_waiters)
        self.assertFalse(handler._pubrel_waiters)
        self.assertFalse(handler._pubcomp_waiters)

    def check_no_message(self, session):
        self.assertFalse(session.inflight_out)
        self.assertFalse(session.inflight_in)

    def test_publish_qos1_retry(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            packet = yield from PublishPacket.from_stream(reader)
            try:
                self.assertEqual(packet.topic_name, '/topic')
                self.assertEqual(packet.qos, QOS_1)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._puback_waiters)
                puback = PubackPacket.build(packet.packet_id)
                yield from puback.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager,
                                               loop=self.loop)
                self.handler.attach(self.session, reader_adapted,
                                    writer_adapted)
                yield from self.handler.start()
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        message = OutgoingApplicationMessage(1, '/topic', QOS_1, b'test_data',
                                             False)
        message.publish_packet = PublishPacket.build('/topic', b'test_data',
                                                     rand_packet_id(), False,
                                                     QOS_1, False)
        self.session.inflight_out[1] = message
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos2_retry(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = yield from PublishPacket.from_stream(reader)
                self.assertEqual(packet.topic_name, '/topic')
                self.assertEqual(packet.qos, QOS_2)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._pubrec_waiters)
                pubrec = PubrecPacket.build(packet.packet_id)
                yield from pubrec.to_stream(writer)

                pubrel = yield from PubrelPacket.from_stream(reader)
                self.assertIn(packet.packet_id, self.handler._pubcomp_waiters)
                pubcomp = PubcompPacket.build(packet.packet_id)
                yield from pubcomp.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection(
                    '127.0.0.1', 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager,
                                               loop=self.loop)
                self.handler.attach(self.session, reader_adapted,
                                    writer_adapted)
                yield from self.handler.start()
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        message = OutgoingApplicationMessage(1, '/topic', QOS_2, b'test_data',
                                             False)
        message.publish_packet = PublishPacket.build('/topic', b'test_data',
                                                     rand_packet_id(), False,
                                                     QOS_2, False)
        self.session.inflight_out[1] = message
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock,
                                    '127.0.0.1',
                                    8888,
                                    loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()
Ejemplo n.º 4
0
class ProtocolHandlerTest(unittest.TestCase):
    def setUp(self):
        self.loop = asyncio.new_event_loop()
        asyncio.set_event_loop(self.loop)
        self.plugin_manager = PluginManager("hbmqtt.test.plugins", context=None, loop=self.loop)

    def tearDown(self):
        self.loop.close()

    def test_init_handler(self):
        s = Session()
        handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
        self.assertIsNone(handler.session)
        self.assertIs(handler._loop, self.loop)
        self.check_empty_waiters(handler)

    def test_start_stop(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            pass

        @asyncio.coroutine
        def test_coro():
            try:
                s = Session()
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888)
                reader_adapted, writer_adapted = adapt(reader, writer)
                handler = ProtocolHandler(self.plugin_manager)
                handler.attach(s, reader_adapted, writer_adapted)
                yield from self.start_handler(handler, s)
                yield from self.stop_handler(handler, s)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos0(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = yield from PublishPacket.from_stream(reader)
                self.assertEquals(packet.variable_header.topic_name, "/topic")
                self.assertEquals(packet.qos, QOS_0)
                self.assertIsNone(packet.packet_id)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                s = Session()
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                handler.attach(s, reader_adapted, writer_adapted)
                yield from self.start_handler(handler, s)
                message = yield from handler.mqtt_publish("/topic", b"test_data", QOS_0, False)
                self.assertIsInstance(message, OutgoingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(handler, s)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos1(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            packet = yield from PublishPacket.from_stream(reader)
            try:
                self.assertEquals(packet.variable_header.topic_name, "/topic")
                self.assertEquals(packet.qos, QOS_1)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._puback_waiters)
                puback = PubackPacket.build(packet.packet_id)
                yield from puback.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                self.handler.attach(self.session, reader_adapted, writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_publish("/topic", b"test_data", QOS_1, False)
                self.assertIsInstance(message, OutgoingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNotNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos2(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = yield from PublishPacket.from_stream(reader)
                self.assertEquals(packet.topic_name, "/topic")
                self.assertEquals(packet.qos, QOS_2)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._pubrec_waiters)
                pubrec = PubrecPacket.build(packet.packet_id)
                yield from pubrec.to_stream(writer)

                pubrel = yield from PubrelPacket.from_stream(reader)
                self.assertIn(packet.packet_id, self.handler._pubcomp_waiters)
                pubcomp = PubcompPacket.build(packet.packet_id)
                yield from pubcomp.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                self.handler.attach(self.session, reader_adapted, writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_publish("/topic", b"test_data", QOS_2, False)
                self.assertIsInstance(message, OutgoingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNotNone(message.pubrec_packet)
                self.assertIsNotNone(message.pubrel_packet)
                self.assertIsNotNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_receive_qos0(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            packet = PublishPacket.build("/topic", b"test_data", rand_packet_id(), False, QOS_0, False)
            yield from packet.to_stream(writer)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                self.handler.attach(self.session, reader_adapted, writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_deliver_next_message()
                self.assertIsInstance(message, IncomingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_receive_qos1(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = PublishPacket.build("/topic", b"test_data", rand_packet_id(), False, QOS_1, False)
                yield from packet.to_stream(writer)
                puback = yield from PubackPacket.from_stream(reader)
                self.assertIsNotNone(puback)
                self.assertEqual(packet.packet_id, puback.packet_id)
            except Exception as ae:
                print(ae)
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                self.handler.attach(self.session, reader_adapted, writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_deliver_next_message()
                self.assertIsInstance(message, IncomingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNotNone(message.puback_packet)
                self.assertIsNone(message.pubrec_packet)
                self.assertIsNone(message.pubrel_packet)
                self.assertIsNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)
        self.event = asyncio.Event(loop=self.loop)
        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_receive_qos2(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = PublishPacket.build("/topic", b"test_data", rand_packet_id(), False, QOS_2, False)
                yield from packet.to_stream(writer)
                pubrec = yield from PubrecPacket.from_stream(reader)
                self.assertIsNotNone(pubrec)
                self.assertEqual(packet.packet_id, pubrec.packet_id)
                self.assertIn(packet.packet_id, self.handler._pubrel_waiters)
                pubrel = PubrelPacket.build(packet.packet_id)
                yield from pubrel.to_stream(writer)
                pubcomp = yield from PubcompPacket.from_stream(reader)
                self.assertIsNotNone(pubcomp)
                self.assertEqual(packet.packet_id, pubcomp.packet_id)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                self.handler.attach(self.session, reader_adapted, writer_adapted)
                yield from self.start_handler(self.handler, self.session)
                message = yield from self.handler.mqtt_deliver_next_message()
                self.assertIsInstance(message, IncomingApplicationMessage)
                self.assertIsNotNone(message.publish_packet)
                self.assertIsNone(message.puback_packet)
                self.assertIsNotNone(message.pubrec_packet)
                self.assertIsNotNone(message.pubrel_packet)
                self.assertIsNotNone(message.pubcomp_packet)
                yield from self.stop_handler(self.handler, self.session)
                future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        future = asyncio.Future(loop=self.loop)
        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    @asyncio.coroutine
    def start_handler(self, handler, session):
        self.check_empty_waiters(handler)
        self.check_no_message(session)
        yield from handler.start()
        self.assertTrue(handler._reader_ready)

    @asyncio.coroutine
    def stop_handler(self, handler, session):
        yield from handler.stop()
        self.assertTrue(handler._reader_stopped)
        self.check_empty_waiters(handler)
        self.check_no_message(session)

    def check_empty_waiters(self, handler):
        self.assertFalse(handler._puback_waiters)
        self.assertFalse(handler._pubrec_waiters)
        self.assertFalse(handler._pubrel_waiters)
        self.assertFalse(handler._pubcomp_waiters)

    def check_no_message(self, session):
        self.assertFalse(session.inflight_out)
        self.assertFalse(session.inflight_in)

    def test_publish_qos1_retry(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            packet = yield from PublishPacket.from_stream(reader)
            try:
                self.assertEquals(packet.topic_name, "/topic")
                self.assertEquals(packet.qos, QOS_1)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._puback_waiters)
                puback = PubackPacket.build(packet.packet_id)
                yield from puback.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                self.handler.attach(self.session, reader_adapted, writer_adapted)
                yield from self.handler.start()
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        message = OutgoingApplicationMessage(1, "/topic", QOS_1, b"test_data", False)
        message.publish_packet = PublishPacket.build("/topic", b"test_data", rand_packet_id(), False, QOS_1, False)
        self.session.inflight_out[1] = message
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()

    def test_publish_qos2_retry(self):
        @asyncio.coroutine
        def server_mock(reader, writer):
            try:
                packet = yield from PublishPacket.from_stream(reader)
                self.assertEquals(packet.topic_name, "/topic")
                self.assertEquals(packet.qos, QOS_2)
                self.assertIsNotNone(packet.packet_id)
                self.assertIn(packet.packet_id, self.session.inflight_out)
                self.assertIn(packet.packet_id, self.handler._pubrec_waiters)
                pubrec = PubrecPacket.build(packet.packet_id)
                yield from pubrec.to_stream(writer)

                pubrel = yield from PubrelPacket.from_stream(reader)
                self.assertIn(packet.packet_id, self.handler._pubcomp_waiters)
                pubcomp = PubcompPacket.build(packet.packet_id)
                yield from pubcomp.to_stream(writer)
            except Exception as ae:
                future.set_exception(ae)

        @asyncio.coroutine
        def test_coro():
            try:
                reader, writer = yield from asyncio.open_connection("127.0.0.1", 8888, loop=self.loop)
                reader_adapted, writer_adapted = adapt(reader, writer)
                self.handler = ProtocolHandler(self.plugin_manager, loop=self.loop)
                self.handler.attach(self.session, reader_adapted, writer_adapted)
                yield from self.handler.start()
                yield from self.stop_handler(self.handler, self.session)
                if not future.done():
                    future.set_result(True)
            except Exception as ae:
                future.set_exception(ae)

        self.handler = None
        self.session = Session()
        message = OutgoingApplicationMessage(1, "/topic", QOS_2, b"test_data", False)
        message.publish_packet = PublishPacket.build("/topic", b"test_data", rand_packet_id(), False, QOS_2, False)
        self.session.inflight_out[1] = message
        future = asyncio.Future(loop=self.loop)

        coro = asyncio.start_server(server_mock, "127.0.0.1", 8888, loop=self.loop)
        server = self.loop.run_until_complete(coro)
        self.loop.run_until_complete(test_coro())
        server.close()
        self.loop.run_until_complete(server.wait_closed())
        if future.exception():
            raise future.exception()