dubbo-registry-extensions/dubbo-registry-etcd3/src/test/java/org/apache/dubbo/registry/etcd/EtcdServiceDiscoveryTest.java

///*
// * 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 org.apache.dubbo.registry.etcd;
//
//import org.apache.dubbo.common.URL;
//import org.apache.dubbo.registry.client.DefaultServiceInstance;
//import org.apache.dubbo.registry.client.ServiceInstance;
//
//import com.google.gson.Gson;
//import org.junit.jupiter.api.AfterAll;
//import org.junit.jupiter.api.Assertions;
//import org.junit.jupiter.api.BeforeAll;
//import org.junit.jupiter.api.Disabled;
//import org.junit.jupiter.api.Test;
//
//import java.util.ArrayList;
//import java.util.List;
//
//import static java.lang.String.valueOf;
//
///**
// * 2019-08-30
// * <p>
// * There is no embedded server. so it works depend on etcd local server.
// */
//@Disabled
//public class EtcdServiceDiscoveryTest {
//
//    static EtcdServiceDiscovery etcdServiceDiscovery;
//
//    @BeforeAll
//    public static void setUp() throws Exception {
//        URL url = URL.valueOf("etcd3://127.0.0.1:2379/org.apache.dubbo.registry.RegistryService");
//        etcdServiceDiscovery = new EtcdServiceDiscovery();
//        Assertions.assertNull(etcdServiceDiscovery.etcdClient);
//        etcdServiceDiscovery.initialize(url);
//    }
//
//    @AfterAll
//    public static void destroy() throws Exception {
////        etcdServiceDiscovery.destroy();
//    }
//
//
//    @Test
//    public void testLifecycle() throws Exception {
//        URL url = URL.valueOf("etcd3://127.0.0.1:2233/org.apache.dubbo.registry.RegistryService");
//        EtcdServiceDiscovery etcdServiceDiscoveryTmp = new EtcdServiceDiscovery();
//        Assertions.assertNull(etcdServiceDiscoveryTmp.etcdClient);
//        etcdServiceDiscoveryTmp.initialize(url);
//        Assertions.assertNotNull(etcdServiceDiscoveryTmp.etcdClient);
//        Assertions.assertTrue(etcdServiceDiscoveryTmp.etcdClient.isConnected());
//        etcdServiceDiscoveryTmp.destroy();
//        Assertions.assertFalse(etcdServiceDiscoveryTmp.etcdClient.isConnected());
//    }
//
//    @Test
//    public void testRegistry() throws Exception {
//        ServiceInstance serviceInstance = new DefaultServiceInstance(valueOf(System.nanoTime()), "EtcdTestService", "127.0.0.1", 8080);
//        Assertions.assertNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//        etcdServiceDiscovery.register(serviceInstance);
//        Assertions.assertNotNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//    }
//
//    @Test
//    public void testUnRegistry() throws Exception {
//        ServiceInstance serviceInstance = new DefaultServiceInstance(valueOf(System.nanoTime()), "EtcdTest2Service", "127.0.0.1", 8080);
//        Assertions.assertNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//        etcdServiceDiscovery.register(serviceInstance);
//        Assertions.assertNotNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//        etcdServiceDiscovery.unregister(serviceInstance);
//        Assertions.assertNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//    }
//
//    @Test
//    public void testUpdate() throws Exception {
//        DefaultServiceInstance serviceInstance = new DefaultServiceInstance(valueOf(System.nanoTime()), "EtcdTest34Service", "127.0.0.1", 8080);
//        Assertions.assertNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//        etcdServiceDiscovery.register(serviceInstance);
//        Assertions.assertNotNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//        Assertions.assertEquals(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)),
//                new Gson().toJson(serviceInstance));
//        serviceInstance.setPort(9999);
//        etcdServiceDiscovery.update(serviceInstance);
//        Assertions.assertNotNull(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)));
//        Assertions.assertEquals(etcdServiceDiscovery.etcdClient.getKVValue(etcdServiceDiscovery.toPath(serviceInstance)),
//                new Gson().toJson(serviceInstance));
//    }
//
//    @Test
//    public void testGetInstances() throws Exception {
//        String serviceName = "EtcdTest77Service";
//        Assertions.assertTrue(etcdServiceDiscovery.getInstances(serviceName).isEmpty());
//        etcdServiceDiscovery.register(new DefaultServiceInstance(valueOf(System.nanoTime()), serviceName, "127.0.0.1", 8080));
//        etcdServiceDiscovery.register(new DefaultServiceInstance(valueOf(System.nanoTime()), serviceName, "127.0.0.1", 9809));
//        Assertions.assertFalse(etcdServiceDiscovery.getInstances(serviceName).isEmpty());
//        List<String> r = convertToIpPort(etcdServiceDiscovery.getInstances(serviceName));
//        Assertions.assertTrue(r.contains("127.0.0.1:8080"));
//        Assertions.assertTrue(r.contains("127.0.0.1:9809"));
//    }
//
//    private List<String> convertToIpPort(List<ServiceInstance> serviceInstances) {
//        List<String> result = new ArrayList<>();
//        for (ServiceInstance serviceInstance : serviceInstances) {
//            result.add(serviceInstance.getHost() + ":" + serviceInstance.getPort());
//        }
//        return result;
//    }
//
//}