Esempio n. 1
0
func TestNats4(t *testing.T) {
	//t.SkipNow()

	// Connection
	nc, _ := nats.Connect(nats.DefaultURL)
	defer nc.Close()

	// Replies
	nc.Subscribe("help", func(m *nats.Msg) {
		nc.Publish(m.Reply, []byte("I can help!"))
	})

	wg := &sync.WaitGroup{}
	wg.Add(1)

	// Requests
	go func() {
		count := 0
		for {
			msg, err := nc.Request("help", []byte("help me"), 10*time.Millisecond)
			if err == nil {
				lg.Debugf("message is %s", msg.Data)
			}

			count++
			if count == 100 {
				wg.Done()
				break
			}
		}
	}()

	//wait
	wg.Wait()
}
Esempio n. 2
0
func TestNats3(t *testing.T) {
	t.SkipNow()

	var msg *nats.Msg
	//msg := &nats.Msg{}

	// Connection
	nc, _ := nats.Connect(nats.DefaultURL)
	defer nc.Close()

	// Channel Subscriber
	ch := make(chan *nats.Msg, 64)
	sub, err := nc.ChanSubscribe(subjectName3, ch)
	if err != nil {
		t.Errorf("ChanSubscribe() error: %s", err)
	}

	wg := &sync.WaitGroup{}
	wg.Add(1)

	// Publisher
	go func() {
		count := 0
		for {
			nc.Publish(subjectName3, []byte("Hello World"))
			count++
			if count == 100 {
				lg.Debug("finished publish")
				break
			}
		}
	}()

	// Subscriber
	go func() {
		count := 0
		for {
			//invalid operation: msg <- ch (send to non-chan type *"github.com/nats-io/nats".Msg)
			msg = <-ch
			lg.Debugf("message is %s", msg.Data)

			count++
			if count == 100 {
				wg.Done()
				break
			}
		}
	}()

	//wait
	wg.Wait()

	// Unsubscribe
	sub.Unsubscribe()
}
Esempio n. 3
0
func TestNats2(t *testing.T) {
	t.SkipNow()

	// Connection
	nc, _ := nats.Connect(nats.DefaultURL)
	defer nc.Close()

	// Sync Subscriber
	sub, err := nc.SubscribeSync(subjectName2)
	if err != nil {
		t.Errorf("SubscribeSync() error: %s", err)
	}

	wg := &sync.WaitGroup{}
	wg.Add(1)

	// Publisher
	go func() {
		count := 0
		for {
			nc.Publish(subjectName2, []byte("Hello World"))
			count++
			if count == 100 {
				break
			}
		}
	}()

	// Subscriber
	go func() {
		count := 0
		for {
			m, err := sub.NextMsg(time.Second * 1)
			if err == nil {
				lg.Debugf("message is %s", m.Data)
				count++
				if count == 100 {
					wg.Done()
					break
				}
			}
		}
	}()

	//wait
	wg.Wait()

}