Beispiel #1
0
func TestReceiveMessage(t *testing.T) {
	subscribe := packet.NewSubscribePacket()
	subscribe.PacketID = 1
	subscribe.Subscriptions = []packet.Subscription{
		{Topic: "test"},
	}

	suback := packet.NewSubackPacket()
	suback.PacketID = 1
	suback.ReturnCodes = []uint8{0}

	publish := packet.NewPublishPacket()
	publish.Message = packet.Message{
		Topic:   "test",
		Payload: []byte("test"),
		Retain:  true,
	}

	broker := tools.NewFlow().
		Receive(connectPacket()).
		Send(connackPacket()).
		Receive(subscribe).
		Send(suback).
		Send(publish).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker)

	msg, err := ReceiveMessage(NewConfig("tcp://localhost:"+port), "test", 0)
	assert.NoError(t, err)
	assert.Equal(t, publish.Message.String(), msg.String())

	<-done
}
Beispiel #2
0
// SubscribeMultiple will send a SubscribePacket containing multiple topics to
// subscribe. It will return a SubscribeFuture that gets completed once a
// SubackPacket has been received.
func (c *Client) SubscribeMultiple(subscriptions []packet.Subscription) (*SubscribeFuture, error) {
	c.mutex.Lock()
	defer c.mutex.Unlock()

	// check if connected
	if c.state.get() != clientConnected {
		return nil, ErrClientNotConnected
	}

	// allocate packet
	subscribe := packet.NewSubscribePacket()
	subscribe.PacketID = c.Session.PacketID()
	subscribe.Subscriptions = subscriptions

	// create future
	future := &SubscribeFuture{}
	future.initialize()

	// store future
	c.futureStore.put(subscribe.PacketID, future)

	// send packet
	err := c.send(subscribe, true)
	if err != nil {
		return nil, c.cleanup(err, false, false)
	}

	return future, nil
}
Beispiel #3
0
func TestServiceCommandsInCallback(t *testing.T) {
	subscribe := packet.NewSubscribePacket()
	subscribe.Subscriptions = []packet.Subscription{{Topic: "test"}}
	subscribe.PacketID = 1

	suback := packet.NewSubackPacket()
	suback.ReturnCodes = []uint8{0}
	suback.PacketID = 1

	publish := packet.NewPublishPacket()
	publish.Message.Topic = "test"
	publish.Message.Payload = []byte("test")

	broker := tools.NewFlow().
		Receive(connectPacket()).
		Send(connackPacket()).
		Receive(subscribe).
		Send(suback).
		Receive(publish).
		Send(publish).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker)

	message := make(chan struct{})
	offline := make(chan struct{})

	s := NewService()

	s.OnlineCallback = func(resumed bool) {
		assert.False(t, resumed)

		s.Subscribe("test", 0)
		s.Publish("test", []byte("test"), 0, false)
	}

	s.OfflineCallback = func() {
		close(offline)
	}

	s.MessageCallback = func(msg *packet.Message) {
		assert.Equal(t, "test", msg.Topic)
		assert.Equal(t, []byte("test"), msg.Payload)
		assert.Equal(t, uint8(0), msg.QOS)
		assert.False(t, msg.Retain)

		close(message)
	}

	s.Start(NewConfig("tcp://localhost:" + port))

	<-message

	s.Stop(true)

	<-offline
	<-done
}
Beispiel #4
0
func TestClientLogger(t *testing.T) {
	subscribe := packet.NewSubscribePacket()
	subscribe.Subscriptions = []packet.Subscription{{Topic: "test"}}
	subscribe.PacketID = 1

	suback := packet.NewSubackPacket()
	suback.ReturnCodes = []uint8{0}
	suback.PacketID = 1

	publish := packet.NewPublishPacket()
	publish.Message.Topic = "test"
	publish.Message.Payload = []byte("test")

	broker := tools.NewFlow().
		Receive(connectPacket()).
		Send(connackPacket()).
		Receive(subscribe).
		Send(suback).
		Receive(publish).
		Send(publish).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker)

	wait := make(chan struct{})

	c := New()
	c.Callback = func(msg *packet.Message, err error) {
		close(wait)
	}

	var counter uint32
	c.Logger = func(msg string) {
		atomic.AddUint32(&counter, 1)
	}

	future, _ := c.Connect(NewConfig("tcp://localhost:" + port))
	future.Wait()

	subscribeFuture, _ := c.Subscribe("test", 0)
	subscribeFuture.Wait()

	publishFuture, _ := c.Publish("test", []byte("test"), 0, false)
	publishFuture.Wait()

	<-wait

	c.Disconnect()

	<-done

	assert.Equal(t, uint32(8), counter)
}
Beispiel #5
0
func TestClientPublishSubscribeQOS2(t *testing.T) {
	subscribe := packet.NewSubscribePacket()
	subscribe.Subscriptions = []packet.Subscription{{Topic: "test", QOS: 2}}
	subscribe.PacketID = 1

	suback := packet.NewSubackPacket()
	suback.ReturnCodes = []uint8{2}
	suback.PacketID = 1

	publish := packet.NewPublishPacket()
	publish.Message.Topic = "test"
	publish.Message.Payload = []byte("test")
	publish.Message.QOS = 2
	publish.PacketID = 2

	pubrec := packet.NewPubrecPacket()
	pubrec.PacketID = 2

	pubrel := packet.NewPubrelPacket()
	pubrel.PacketID = 2

	pubcomp := packet.NewPubcompPacket()
	pubcomp.PacketID = 2

	broker := tools.NewFlow().
		Receive(connectPacket()).
		Send(connackPacket()).
		Receive(subscribe).
		Send(suback).
		Receive(publish).
		Send(pubrec).
		Receive(pubrel).
		Send(pubcomp).
		Send(publish).
		Receive(pubrec).
		Send(pubrel).
		Receive(pubcomp).
		Receive(disconnectPacket()).
		End()

	done, port := fakeBroker(t, broker)

	wait := make(chan struct{})

	c := New()
	c.Callback = func(msg *packet.Message, err error) {
		assert.NoError(t, err)
		assert.Equal(t, "test", msg.Topic)
		assert.Equal(t, []byte("test"), msg.Payload)
		assert.Equal(t, uint8(2), msg.QOS)
		assert.False(t, msg.Retain)
		close(wait)
	}

	future, err := c.Connect(NewConfig("tcp://localhost:" + port))
	assert.NoError(t, err)
	assert.NoError(t, future.Wait())
	assert.False(t, future.SessionPresent)
	assert.Equal(t, packet.ConnectionAccepted, future.ReturnCode)

	subscribeFuture, err := c.Subscribe("test", 2)
	assert.NoError(t, err)
	assert.NoError(t, subscribeFuture.Wait())
	assert.Equal(t, []uint8{2}, subscribeFuture.ReturnCodes)

	publishFuture, err := c.Publish("test", []byte("test"), 2, false)
	assert.NoError(t, err)
	assert.NoError(t, publishFuture.Wait())

	<-wait

	err = c.Disconnect()
	assert.NoError(t, err)

	<-done

	in, err := c.Session.AllPackets(incoming)
	assert.NoError(t, err)
	assert.Equal(t, 0, len(in))

	out, err := c.Session.AllPackets(outgoing)
	assert.NoError(t, err)
	assert.Equal(t, 0, len(out))
}