svalue/value_test.go

package svalue

import (
	"context"
	"net"
	"testing"
	"time"

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

type EtcdGet struct {
	Value
}

func (c *EtcdGet) TakeValue() interface{} {
	// 换成redis原理一样
	cli, err := clientv3.New(clientv3.Config{
		Endpoints:   []string{"http://10.10.0.1:2279"},
		DialTimeout: 5 * time.Second,
	})
	resp, err := cli.Get(context.Background(), "phone", clientv3.WithPrefix())
	must(err)
	return string(resp.Kvs[0].Value)[0:20]
}

func (c *EtcdGet) UpdateInterval() time.Duration {
	return time.Second / 2
}

func TestWithVPN(t *testing.T) {
	ec := EtcdGet{}
	StartSynchronize(&ec)

	ifaces, err := net.Interfaces()
	must(err)

	fitThis := false

	for _, iface := range ifaces {
		if iface.Name == "tun0" {
			fitThis = true
		}
	}

	if fitThis {
		for i := 0; i < 3; i++ {
			time.Sleep(time.Second)
			v := ec.GetValue()

			switch vt := v.(type) {
			case string:
				t.Log(vt)
			default:
				t.Error(v)
			}

			if i == 1 {
				ec.CloseSync()
			}

		}
	} else {
		t.Log("pass this test", t.Name())
	}
}

// EtcdWatch 方法的实现, 先忽略
type EtcdWatch struct {
	Value
}