server/service/lock/etcd/etcd_test.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package etcd

import (
	"fmt"
	_ "github.com/apache/servicecomb-service-center/server/plugin/registry/etcd"
	_ "github.com/apache/servicecomb-service-center/server/plugin/tracing/pzipkin"
	"github.com/apache/servicecomb-service-center/server/service/lock"
	"github.com/astaxie/beego"
	"github.com/stretchr/testify/assert"
	"testing"
)

func init() {
	beego.AppConfig.Set("registry_plugin", "etcd")
	IsDebug = true
	lock.Install("etcd", func(opts lock.Options) (lock.DataSource, error) {
		return NewDataSource(), nil
	})
	err := lock.Init(lock.Options{
		Endpoint:       "",
		PluginImplName: "etcd",
	})
	if err != nil {
		panic("register etcd-lock plugin failed")
	}
}

func TestDLock(t *testing.T) {
	m1, err := lock.Lock().NewDLock("key1", 5, true)
	assert.NoError(t, err)
	assert.NotNil(t, m1)
	t.Log("m1 locked")

	ch := make(chan bool)
	go func() {
		m2, err := lock.Lock().NewDLock("key1", 1, false)
		assert.Nil(t, m2)
		assert.Error(t, err)
		fmt.Println("m2 try failed")
		m2, err = lock.Lock().NewDLock("key1", 1, true)
		assert.Nil(t, m2)
		assert.Error(t, err)
		fmt.Println("m2 timed out")
		ch <- true
	}()
	<-ch
	m3, err := lock.Lock().NewDLock("key1", 2, true)
	assert.NoError(t, err)
	assert.NotNil(t, m3)
	fmt.Println("m3 locked")
	err = m3.Unlock()
	assert.NoError(t, err)

	err = m1.Unlock()
	assert.NoError(t, err)
	fmt.Println("m1 unlocked")
}