| /* |
| * 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.servicecomb.loadbalance; |
| |
| import java.net.SocketException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.ws.rs.core.Response.Status; |
| |
| import org.apache.servicecomb.config.ConfigUtil; |
| import org.apache.servicecomb.core.Invocation; |
| import org.apache.servicecomb.core.SCBEngine; |
| import org.apache.servicecomb.core.Transport; |
| import org.apache.servicecomb.core.bootstrap.SCBBootstrap; |
| import org.apache.servicecomb.core.transport.TransportManager; |
| import org.apache.servicecomb.foundation.common.Holder; |
| import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils; |
| import org.apache.servicecomb.foundation.test.scaffolding.config.ArchaiusUtils; |
| import org.apache.servicecomb.registry.api.registry.MicroserviceInstance; |
| import org.apache.servicecomb.registry.cache.CacheEndpoint; |
| import org.apache.servicecomb.registry.discovery.DiscoveryFilter; |
| import org.apache.servicecomb.swagger.invocation.AsyncResponse; |
| import org.apache.servicecomb.swagger.invocation.Response; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.netflix.loadbalancer.LoadBalancerStats; |
| |
| import mockit.Deencapsulation; |
| import mockit.Expectations; |
| import mockit.Injectable; |
| import mockit.Mock; |
| import mockit.MockUp; |
| import mockit.Mocked; |
| import org.junit.jupiter.api.Assertions; |
| |
| /** |
| * |
| * |
| */ |
| public class TestLoadbalanceHandler { |
| static SCBEngine scbEngine; |
| |
| static TransportManager transportManager; |
| |
| String microserviceName = "ms"; |
| |
| LoadbalanceHandler handler; |
| |
| Map<String, LoadBalancer> loadBalancerMap; |
| |
| @Injectable |
| Invocation invocation; |
| |
| @Mocked |
| Transport restTransport; |
| |
| Response sendResponse; |
| |
| @Before |
| public void setUp() { |
| ConfigUtil.installDynamicConfig(); |
| scbEngine = SCBBootstrap.createSCBEngineForTest().run(); |
| transportManager = scbEngine.getTransportManager(); |
| |
| new MockUp<Invocation>(invocation) { |
| @Mock |
| String getMicroserviceName() { |
| return microserviceName; |
| } |
| |
| @Mock |
| void next(AsyncResponse asyncResp) throws Exception { |
| asyncResp.handle(sendResponse); |
| } |
| |
| @Mock |
| public <T> T getLocalContext(String key) { |
| return (T) null; |
| } |
| }; |
| |
| new MockUp<TransportManager>(transportManager) { |
| @Mock |
| Transport findTransport(String transportName) { |
| return restTransport; |
| } |
| }; |
| |
| new Expectations(SPIServiceUtils.class) { |
| { |
| SPIServiceUtils.getSortedService(DiscoveryFilter.class); |
| result = Collections.emptyList(); |
| } |
| }; |
| |
| BeansHolder holder = new BeansHolder(); |
| List<ExtensionsFactory> extensionsFactories = new ArrayList<>(); |
| extensionsFactories.add(new RuleNameExtentionsFactory()); |
| Deencapsulation.setField(holder, "extentionsFactories", extensionsFactories); |
| holder.init(); |
| |
| handler = new LoadbalanceHandler(); |
| loadBalancerMap = Deencapsulation.getField(handler, "loadBalancerMap"); |
| } |
| |
| @After |
| public void teardown() { |
| scbEngine.destroy(); |
| ArchaiusUtils.resetConfig(); |
| } |
| |
| @Test |
| public void send_noEndPoint(@Injectable LoadBalancer loadBalancer) throws Exception { |
| new Expectations(loadBalancer) { |
| { |
| loadBalancer.chooseServer(invocation); |
| result = null; |
| } |
| }; |
| |
| Holder<Throwable> result = new Holder<>(); |
| handler.send(invocation, resp -> result.value = resp.getResult(), loadBalancer); |
| |
| Assertions.assertEquals("InvocationException: code=500;msg=CommonExceptionData [message=No available address found.]", |
| result.value.getMessage()); |
| } |
| |
| @Test |
| public void send_failed2(@Injectable LoadBalancer loadBalancer) throws Exception { |
| MicroserviceInstance instance1 = new MicroserviceInstance(); |
| instance1.setInstanceId("1234"); |
| CacheEndpoint cacheEndpoint = new CacheEndpoint("rest://localhost:8080", instance1); |
| ServiceCombServer server = new ServiceCombServer(null, restTransport, cacheEndpoint); |
| LoadBalancerStats stats = new LoadBalancerStats("test"); |
| new Expectations(loadBalancer) { |
| { |
| loadBalancer.chooseServer(invocation); |
| result = server; |
| loadBalancer.getLoadBalancerStats(); |
| result = stats; |
| } |
| }; |
| sendResponse = Response.create(Status.BAD_REQUEST, "send failed"); |
| |
| Holder<Throwable> result = new Holder<>(); |
| handler.send(invocation, resp -> result.value = resp.getResult(), loadBalancer); |
| // InvocationException is not taken as a failure |
| Assertions.assertEquals(0, |
| loadBalancer.getLoadBalancerStats().getSingleServerStat(server).getSuccessiveConnectionFailureCount()); |
| Assertions.assertEquals("InvocationException: code=400;msg=send failed", |
| result.value.getMessage()); |
| } |
| |
| @Test |
| public void send_failed(@Injectable LoadBalancer loadBalancer) throws Exception { |
| MicroserviceInstance instance1 = new MicroserviceInstance(); |
| instance1.setInstanceId("1234"); |
| CacheEndpoint cacheEndpoint = new CacheEndpoint("rest://localhost:8080", instance1); |
| ServiceCombServer server = new ServiceCombServer(null, restTransport, cacheEndpoint); |
| LoadBalancerStats stats = new LoadBalancerStats("test"); |
| new Expectations(loadBalancer) { |
| { |
| loadBalancer.chooseServer(invocation); |
| result = server; |
| loadBalancer.getLoadBalancerStats(); |
| result = stats; |
| } |
| }; |
| sendResponse = Response.consumerFailResp(new SocketException()); |
| |
| Holder<Throwable> result = new Holder<>(); |
| handler.send(invocation, resp -> result.value = resp.getResult(), loadBalancer); |
| |
| Assertions.assertEquals(1, |
| loadBalancer.getLoadBalancerStats().getSingleServerStat(server).getSuccessiveConnectionFailureCount()); |
| Assertions.assertEquals( |
| "InvocationException: code=490;msg=CommonExceptionData [message=Unexpected consumer error, please check logs for details]", |
| result.value.getMessage()); |
| } |
| |
| @Test |
| public void send_success(@Injectable LoadBalancer loadBalancer) throws Exception { |
| MicroserviceInstance instance1 = new MicroserviceInstance(); |
| instance1.setInstanceId("1234"); |
| CacheEndpoint cacheEndpoint = new CacheEndpoint("rest://localhost:8080", instance1); |
| ServiceCombServer server = new ServiceCombServer(null, restTransport, cacheEndpoint); |
| LoadBalancerStats stats = new LoadBalancerStats("test"); |
| new Expectations(loadBalancer) { |
| { |
| loadBalancer.chooseServer(invocation); |
| result = server; |
| loadBalancer.getLoadBalancerStats(); |
| result = stats; |
| } |
| }; |
| sendResponse = Response.ok("success"); |
| |
| Holder<String> result = new Holder<>(); |
| handler.send(invocation, resp -> result.value = resp.getResult(), loadBalancer); |
| |
| Assertions.assertEquals(1, |
| loadBalancer.getLoadBalancerStats().getSingleServerStat(server).getActiveRequestsCount()); |
| Assertions.assertEquals("success", result.value); |
| } |
| |
| @Test |
| public void testIsFailedResponse() { |
| Assertions.assertFalse(handler.isFailedResponse(Response.create(400, "", ""))); |
| Assertions.assertFalse(handler.isFailedResponse(Response.create(500, "", ""))); |
| Assertions.assertTrue(handler.isFailedResponse(Response.create(490, "", ""))); |
| Assertions.assertTrue(handler.isFailedResponse(Response.consumerFailResp(new NullPointerException()))); |
| } |
| } |