package main

import (
	"fmt"
	"testing"
	"time"

	"github.com/eclipse/paho.mqtt.golang"
)

func TestPub(t *testing.T) {
	opts := mqtt.NewClientOptions()
	opts.AddBroker("tcp://39.98.34.197:1883")
	opts.SetClientID("test")
	opts.SetUsername("sg1")
	opts.SetPassword("dashoopwd")
	// opts.SetDefaultPublishHandler(messageHandler)
	opts.SetKeepAlive(2 * time.Second)
	opts.SetPingTimeout(1 * time.Second)

	c := mqtt.NewClient(opts)
	if token := c.Connect(); token.Wait() && token.Error() != nil {
		panic(token.Error())
	}

	for i := 0; i < 3; i++ {
		text := fmt.Sprintf("this is msg #%d!", i)
		token := c.Publish("go-mqtt/sample", 0, false, text)
		token.Wait()
	}

	time.Sleep(6 * time.Second)

	c.Disconnect(250)

	time.Sleep(1 * time.Second)
}