api_binding/mqtt_binding_test.go

package api_binding

import (
	"encoding/json"
	"fmt"
	"git.sxidc.com/go-tools/api_binding/mqtt_binding"
	"git.sxidc.com/go-tools/api_binding/mqtt_binding/mqtt_client"
	"git.sxidc.com/go-tools/api_binding/mqtt_binding/mqtt_client/router"
	"git.sxidc.com/go-tools/api_binding/mqtt_binding/response"
	mqtt "github.com/eclipse/paho.mqtt.golang"
	"sync"
	"testing"
	"time"
)

func TestMqttBinding(t *testing.T) {
	err := mqtt_binding.Init("test_prefix", &mqtt_client.MqttClientOptions{
		UserName:       "admin",
		Password:       "mtyzxhc",
		Address:        "tcp://127.0.0.1:1883",
		ClientID:       "test-binding",
		KeepAliveSec:   5,
		PingTimeoutSec: 5,
	})
	if err != nil {
		t.Fatal(err)
	}

	defer mqtt_binding.Destroy()

	testBinding := mqtt_binding.NewBinding("test", func(item *router.Item, data []byte) {
		fmt.Println("Global Middleware!!!")
		item.Next()
	})
	mqtt_binding.Bind(testBinding, &mqtt_binding.BindItem[struct {
		Time string `json:"time"`
	}, map[string]interface{}]{
		Topic:        "/test-topic",
		ResponseFunc: response.SendMapResponse,
		BusinessFunc: func(c *mqtt_client.MqttClient, inputModel struct {
			Time string `json:"time"`
		}) (map[string]interface{}, error) {
			fmt.Printf("Received: %v\n", inputModel)

			return map[string]interface{}{
				"result": "pong",
			}, nil
		},
		OptionalBindingFunc: nil,
	}, func(item *router.Item, data []byte) {
		fmt.Println("Binding Middleware!!!")
		item.Next()
	})

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

	go func() {
		mqttClient := mqtt.NewClient(mqtt.NewClientOptions().
			SetAutoReconnect(true).
			SetUsername("admin").
			SetPassword("mtyzxhc").
			AddBroker("tcp://127.0.0.1:1883").
			SetClientID("test-client").
			SetKeepAlive(5*time.Second).
			SetPingTimeout(5*time.Second).
			SetWill("test-client/will", "dead", 2, true).
			SetOnConnectHandler(func(client mqtt.Client) {
				token := client.Subscribe("test_prefix/test/test-topic/reply", 2, func(client mqtt.Client, message mqtt.Message) {
					respMap := make(map[string]interface{})
					err = json.Unmarshal(message.Payload(), &respMap)
					if err != nil {
						fmt.Println(err)
						return
					}

					pong, ok := respMap["result"]
					if !ok {
						fmt.Println("响应错误")
						return
					}

					if pong != "pong" {
						fmt.Println("响应错误")
						return
					}
				})
				if token.Wait(); token.Error() != nil {
					fmt.Println(token.Error())
					return
				}

				sendMap := map[string]any{
					"time": time.Now().Format(time.DateTime),
				}

				sendJson, err := json.Marshal(sendMap)
				if token.Wait(); token.Error() != nil {
					fmt.Println(err)
					return
				}

				token = client.Publish("test_prefix/test/test-topic", 2, false, sendJson)
				if token.Wait(); token.Error() != nil {
					fmt.Println(token.Error())
					return
				}
			}))

		token := mqttClient.Connect()
		if token.Wait(); token.Error() != nil {
			fmt.Println(token.Error())
			return
		}

		defer mqttClient.Disconnect(250)

		time.Sleep(2 * time.Second)

		wg.Done()
	}()

	wg.Wait()
}