gopkg/middleware/etcd/watch_test.go

// Package etcd...
//
// Description : etcd...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 2021-11-24 11:40 上午
package etcd

import (
	"fmt"
	"testing"
	"time"

	"go.etcd.io/etcd/clientv3"
)

// TestWatchKey ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 3:06 下午 2021/11/23
func TestWatchKey(t *testing.T) {
	key := "name"
	dealFunc := func(data *clientv3.Event) {
		fmt.Println(string(data.Kv.Key), string(data.Kv.Value), data.Kv.Version, data.Kv.CreateRevision, data.Kv.ModRevision)
	}
	go func() {
		for i := 0; i < 30; i++ {
			_ = Put(nil, key, fmt.Sprintf("test-%d", i), 0)
			time.Sleep(time.Second)
		}
	}()
	WatchKey(nil, key, dealFunc)
}

// TestWatchKeyWithCancel ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 3:57 下午 2021/11/23
func TestWatchKeyWithCancel(t *testing.T) {
	key := "name"
	dealFunc := func(data *clientv3.Event) {
		fmt.Println(string(data.Kv.Key), string(data.Kv.Value), data.Kv.Version, data.Kv.CreateRevision, data.Kv.ModRevision)
	}
	cancelFunc := func(key string, data interface{}) {
		fmt.Println("取消监听 : ", key, data)
	}
	cancelChan := make(chan interface{}, 1)
	go func() {
		for i := 0; i < 30; i++ {
			_ = Put(nil, key, fmt.Sprintf("test-%d", i), 0)
			time.Sleep(time.Second)
		}
		time.Sleep(10 * time.Second)
		cancelChan <- "Hello World"
	}()
	WatchKeyWithCancel(nil, key, dealFunc, cancelChan, cancelFunc)
}

// TestWatchKeyWithCancelByChangeCallback ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 4:27 下午 2021/11/23
func TestWatchKeyWithCancelByChangeCallback(t *testing.T) {
	key := "name"
	cancelChan := make(chan interface{}, 1)

	dealFunc := func(data *clientv3.Event) {
		fmt.Println(string(data.Kv.Key), string(data.Kv.Value), data.Kv.Version, data.Kv.CreateRevision, data.Kv.ModRevision)
		if string(data.Kv.Value) == "test-29" {
			cancelChan <- "Hello World!"
		}
	}

	cancelFunc := func(key string, data interface{}) {
		fmt.Println("取消监听 : ", key, data)
	}

	go func() {
		for i := 0; i < 30; i++ {
			_ = Put(nil, key, fmt.Sprintf("test-%d", i), 0)
			time.Sleep(time.Second)
		}
	}()
	WatchKeyWithCancel(nil, key, dealFunc, cancelChan, cancelFunc)
}

// TestWatchKeyOnce ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 4:50 下午 2021/11/23
func TestWatchKeyOnce(t *testing.T) {
	key := "name"
	dealFunc := func(data *clientv3.Event) {
		fmt.Println(string(data.Kv.Key), string(data.Kv.Value), data.Kv.Version, data.Kv.CreateRevision, data.Kv.ModRevision)
	}

	timeoutFunc := func(key string, timeout time.Duration) {
		fmt.Println("监听超时", key, timeout)
	}

	timeout := 10 * time.Second
	go func() {
		for i := 0; i < 30; i++ {
			_ = Put(nil, key, fmt.Sprintf("test-%d", i), 0)
			time.Sleep(time.Second)
		}
	}()
	WatchKeyOnce(nil, key, dealFunc, timeout, timeoutFunc)
}

// TestWatchKeyOnceForTimeout ...
//
// Author : go_developer@163.com<白茶清欢>
//
// Date : 4:53 下午 2021/11/23
func TestWatchKeyOnceForTimeout(t *testing.T) {
	key := "name"
	dealFunc := func(data *clientv3.Event) {
		fmt.Println(string(data.Kv.Key), string(data.Kv.Value), data.Kv.Version, data.Kv.CreateRevision, data.Kv.ModRevision)
	}

	timeoutFunc := func(key string, timeout time.Duration) {
		fmt.Println("监听超时", key, timeout)
	}

	timeout := time.Second

	WatchKeyOnce(nil, key, dealFunc, timeout, timeoutFunc)
}