| /*
|
| * Copyright 1999-2011 Alibaba Group.
|
| *
|
| * Licensed 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 com.alibaba.dubbo.rpc.cluster.support; |
| |
| import java.util.ArrayList;
|
| import java.util.List;
|
| import java.util.Map;
|
| import java.util.concurrent.ConcurrentHashMap;
|
| import java.util.concurrent.atomic.AtomicLong;
|
|
|
| import junit.framework.Assert;
|
|
|
| import org.easymock.EasyMock;
|
| import org.junit.Before;
|
| import org.junit.BeforeClass;
|
| import org.junit.Test;
|
|
|
| import com.alibaba.dubbo.common.ExtensionLoader;
|
| import com.alibaba.dubbo.common.URL;
|
| import com.alibaba.dubbo.common.utils.NetUtils;
|
| import com.alibaba.dubbo.rpc.Invocation;
|
| import com.alibaba.dubbo.rpc.Invoker;
|
| import com.alibaba.dubbo.rpc.Result;
|
| import com.alibaba.dubbo.rpc.RpcConstants;
|
| import com.alibaba.dubbo.rpc.RpcException;
|
| import com.alibaba.dubbo.rpc.RpcInvocation;
|
| import com.alibaba.dubbo.rpc.cluster.Directory;
|
| import com.alibaba.dubbo.rpc.cluster.LoadBalance;
|
| import com.alibaba.dubbo.rpc.cluster.directory.StaticDirectory;
|
| import com.alibaba.dubbo.rpc.cluster.filter.DemoService;
|
| import com.alibaba.dubbo.rpc.cluster.loadbalance.LeastActiveLoadBalance;
|
| import com.alibaba.dubbo.rpc.cluster.loadbalance.RandomLoadBalance;
|
| import com.alibaba.dubbo.rpc.cluster.loadbalance.RoundRobinLoadBalance;
|
| |
| /** |
| * AbstractClusterInvokerTest |
| * @author chao.liuc |
| * |
| */ |
| @SuppressWarnings("rawtypes") |
| public class AbstractClusterInvokerTest { |
| List<Invoker<AbstractClusterInvokerTest>> invokers = new ArrayList<Invoker<AbstractClusterInvokerTest>>(); |
| List<Invoker<AbstractClusterInvokerTest>> selectedInvokers = new ArrayList<Invoker<AbstractClusterInvokerTest>>(); |
| AbstractClusterInvoker<AbstractClusterInvokerTest> cluster; |
| AbstractClusterInvoker<AbstractClusterInvokerTest> cluster_nocheck; |
| Directory<AbstractClusterInvokerTest> dic ; |
| Invocation invocation; |
| URL url = URL.valueOf("registry://localhost:9090"); |
| |
| Invoker<AbstractClusterInvokerTest> invoker1 ; |
| Invoker<AbstractClusterInvokerTest> invoker2 ; |
| Invoker<AbstractClusterInvokerTest> invoker3 ; |
| Invoker<AbstractClusterInvokerTest> invoker4 ; |
| Invoker<AbstractClusterInvokerTest> invoker5 ; |
| |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| } |
| @SuppressWarnings({ "unchecked" }) |
| @Before |
| public void setUp() throws Exception { |
| dic = EasyMock.createMock(Directory.class); |
| |
| invoker1 = EasyMock.createMock(Invoker.class); |
| invoker2 = EasyMock.createMock(Invoker.class); |
| invoker3 = EasyMock.createMock(Invoker.class); |
| invoker4 = EasyMock.createMock(Invoker.class); |
| invoker5 = EasyMock.createMock(Invoker.class); |
| |
| URL turl = URL.valueOf("test://test:11/test"); |
| |
| EasyMock.expect(invoker1.isAvailable()).andReturn(false).anyTimes(); |
| EasyMock.expect(invoker1.getInterface()).andReturn(AbstractClusterInvokerTest.class).anyTimes(); |
| EasyMock.expect(invoker1.getUrl()).andReturn(turl.addParameter("name", "invoker1")).anyTimes(); |
| |
| EasyMock.expect(invoker2.isAvailable()).andReturn(true).anyTimes(); |
| EasyMock.expect(invoker2.getInterface()).andReturn(AbstractClusterInvokerTest.class).anyTimes(); |
| EasyMock.expect(invoker2.getUrl()).andReturn(turl.addParameter("name", "invoker2")).anyTimes(); |
| |
| EasyMock.expect(invoker3.isAvailable()).andReturn(false).anyTimes(); |
| EasyMock.expect(invoker3.getInterface()).andReturn(AbstractClusterInvokerTest.class).anyTimes(); |
| EasyMock.expect(invoker3.getUrl()).andReturn(turl.addParameter("name", "invoker3")).anyTimes(); |
| |
| EasyMock.expect(invoker4.isAvailable()).andReturn(true).anyTimes(); |
| EasyMock.expect(invoker4.getInterface()).andReturn(AbstractClusterInvokerTest.class).anyTimes(); |
| EasyMock.expect(invoker4.getUrl()).andReturn(turl.addParameter("name", "invoker4")).anyTimes(); |
| |
| EasyMock.expect(invoker5.isAvailable()).andReturn(false).anyTimes(); |
| EasyMock.expect(invoker5.getInterface()).andReturn(AbstractClusterInvokerTest.class).anyTimes(); |
| EasyMock.expect(invoker5.getUrl()).andReturn(turl.addParameter("name", "invoker5")).anyTimes(); |
| |
| EasyMock.expect(dic.getUrl()).andReturn(url).anyTimes(); |
| |
| invocation = EasyMock.createMock(Invocation.class); |
| EasyMock.expect(invocation.getMethodName()).andReturn("method1").anyTimes(); |
| EasyMock.replay(dic,invoker1,invoker2,invoker3,invoker4,invoker5,invocation); |
| |
| cluster = new AbstractClusterInvoker(dic) { |
| @Override |
| protected Result doInvoke(Invocation invocation, List invokers, LoadBalance loadbalance) |
| throws RpcException { |
| return null; |
| } |
| }; |
| |
| cluster_nocheck = new AbstractClusterInvoker(dic,url.addParameterIfAbsent(RpcConstants.CLUSTER_AVAILABLE_CHECK_KEY, Boolean.FALSE.toString())) { |
| @Override |
| protected Result doInvoke(Invocation invocation, List invokers, LoadBalance loadbalance) |
| throws RpcException { |
| return null; |
| } |
| }; |
| } |
| |
| @Test |
| public void testSelect_Invokersize0() throws Exception { |
| { |
| Invoker invoker = cluster.select(null,null,null,null); |
| Assert.assertEquals(null, invoker); |
| } |
| { |
| invokers.clear(); |
| selectedInvokers.clear(); |
| Invoker invoker = cluster.select(null,null,invokers,null); |
| Assert.assertEquals(null, invoker); |
| } |
| } |
| |
| @Test |
| public void testSelect_Invokersize1() throws Exception { |
| invokers.clear(); |
| invokers.add(invoker1); |
| Invoker invoker = cluster.select(null,null,invokers,null); |
| Assert.assertEquals(invoker1, invoker); |
| } |
| |
| @Test |
| public void testSelect_Invokersize2AndselectNotNull() throws Exception { |
| invokers.clear(); |
| invokers.add(invoker1); |
| invokers.add(invoker2); |
| { |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| Invoker invoker = cluster.select(null,null,invokers,selectedInvokers); |
| Assert.assertEquals(invoker2, invoker); |
| } |
| { |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker2); |
| Invoker invoker = cluster.select(null,null,invokers,selectedInvokers); |
| Assert.assertEquals(invoker1, invoker); |
| } |
| } |
| |
| @Test |
| public void testSelect_multiInvokers() throws Exception { |
| testSelect_multiInvokers( RoundRobinLoadBalance.NAME); |
| testSelect_multiInvokers( LeastActiveLoadBalance.NAME); |
| testSelect_multiInvokers( RandomLoadBalance.NAME); |
| } |
| |
| @Test |
| public void testCloseAvailablecheck(){ |
| LoadBalance lb = EasyMock.createMock(LoadBalance.class); |
| EasyMock.expect(lb.select(invokers, invocation)).andReturn(invoker1); |
| EasyMock.replay(lb); |
| initlistsize5(); |
| |
| Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertEquals(false,sinvoker.isAvailable()); |
| Assert.assertEquals(invoker1,sinvoker); |
| |
| } |
| |
| @Test |
| public void testDonotSelectAgainAndNoCheckAvailable(){ |
| |
| LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(RoundRobinLoadBalance.NAME); |
| initlistsize5(); |
| { |
| //边界测试. |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker4); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertSame(invoker1, sinvoker); |
| } |
| { |
| //边界测试. |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker4); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertSame(invoker2, sinvoker); |
| } |
| { |
| //边界测试. |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker4); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers ); |
| Assert.assertSame(invoker3, sinvoker); |
| } |
| { |
| //边界测试. |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker4); |
| Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers ); |
| Assert.assertSame(invoker5, sinvoker); |
| } |
| { |
| //边界测试. |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker4); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster_nocheck.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertTrue(invokers.contains(sinvoker)); |
| } |
| |
| } |
| |
| @Test |
| public void testSelectAgainAndCheckAvailable(){ |
| |
| LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(RoundRobinLoadBalance.NAME); |
| initlistsize5(); |
| { |
| //边界测试. |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertTrue(sinvoker == invoker4 ); |
| } |
| { |
| //边界测试. |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker4); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4); |
| } |
| { |
| //边界测试. |
| for(int i=0;i<100;i++){ |
| selectedInvokers.clear(); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4); |
| } |
| } |
| { |
| //边界测试. |
| for(int i=0;i<100;i++){ |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4); |
| } |
| } |
| { |
| //边界测试. |
| for(int i=0;i<100;i++){ |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker4); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertTrue(sinvoker == invoker2 || sinvoker == invoker4); |
| } |
| } |
| } |
| |
| |
| public void testSelect_multiInvokers(String lbname) throws Exception { |
| |
| int min=1000,max=5000; |
| Double d = (Math.random()*(max-min+1)+min); |
| int runs = d.intValue(); |
| Assert.assertTrue(runs>min); |
| LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(lbname); |
| initlistsize5(); |
| for(int i=0;i<runs;i++){ |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertEquals(true,sinvoker.isAvailable()); |
| } |
| for(int i=0;i<runs;i++){ |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertEquals(true,sinvoker.isAvailable()); |
| } |
| for(int i=0;i<runs;i++){ |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker2); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertEquals(true,sinvoker.isAvailable()); |
| } |
| for(int i=0;i<runs;i++){ |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker4); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertEquals(true,sinvoker.isAvailable()); |
| } |
| for(int i=0;i<runs;i++){ |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker3); |
| selectedInvokers.add(invoker5); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertEquals(true,sinvoker.isAvailable()); |
| } |
| for(int i=0;i<runs;i++){ |
| selectedInvokers.clear(); |
| selectedInvokers.add(invoker1); |
| selectedInvokers.add(invoker2); |
| selectedInvokers.add(invoker3); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| Assert.assertEquals(true,sinvoker.isAvailable()); |
| } |
| } |
| |
| /** |
| * 测试均衡. |
| */ |
| @Test |
| public void testSelectBalance(){ |
| |
| LoadBalance lb = ExtensionLoader.getExtensionLoader(LoadBalance.class).getExtension(RoundRobinLoadBalance.NAME); |
| initlistsize5(); |
| |
| Map<Invoker,AtomicLong> counter = new ConcurrentHashMap<Invoker,AtomicLong>(); |
| for(Invoker invoker :invokers){ |
| counter.put(invoker, new AtomicLong(0)); |
| } |
| int runs = 1000; |
| for(int i=0;i<runs;i++){ |
| selectedInvokers.clear(); |
| Invoker sinvoker = cluster.select(lb, invocation, invokers, selectedInvokers); |
| counter.get(sinvoker).incrementAndGet(); |
| } |
| |
| for (Invoker minvoker :counter.keySet() ){ |
| Long count = counter.get(minvoker).get(); |
| // System.out.println(count); |
| if(minvoker.isAvailable()) |
| Assert.assertTrue("count should > avg", count>runs/invokers.size()); |
| } |
| |
| Assert.assertEquals(runs, counter.get(invoker2).get()+counter.get(invoker4).get());; |
| |
| } |
| |
| private void initlistsize5(){ |
| invokers.clear(); |
| selectedInvokers.clear();//需要清除,之前的测试中会主动将正确的invoker2放入其中. |
| invokers.add(invoker1); |
| invokers.add(invoker2); |
| invokers.add(invoker3); |
| invokers.add(invoker4); |
| invokers.add(invoker5); |
| } |
| @Test |
| public void testInvoke() { |
| // fail("Not yet implemented"); |
| } |
| |
| @Test |
| public void testDoInvoke() { |
| // fail("Not yet implemented"); |
| }
|
|
|
|
|
| @Test()
|
| public void testTimeoutExceptionCode() {
|
| List<Invoker<DemoService>> invokers = new ArrayList<Invoker<DemoService>>();
|
| invokers.add(new Invoker<DemoService>() {
|
|
|
| public Class<DemoService> getInterface() {
|
| return DemoService.class;
|
| }
|
|
|
| public URL getUrl() {
|
| return URL.valueOf("dubbo://" + NetUtils.getLocalHost() + ":20880/" + DemoService.class.getName());
|
| }
|
|
|
| public boolean isAvailable() {
|
| return false;
|
| }
|
|
|
| public Result invoke(Invocation invocation) throws RpcException {
|
| throw new RpcException(RpcException.TIMEOUT_EXCEPTION, "test timeout");
|
| }
|
|
|
| public void destroy() {
|
| }
|
| });
|
| Directory<DemoService> directory = new StaticDirectory<DemoService>(invokers);
|
| FailoverClusterInvoker<DemoService> failoverClusterInvoker = new FailoverClusterInvoker<DemoService>(directory);
|
| try {
|
| failoverClusterInvoker.invoke(new RpcInvocation("sayHello", new Class<?>[0], new Object[0]));
|
| Assert.fail();
|
| } catch (RpcException e) {
|
| Assert.assertEquals(RpcException.TIMEOUT_EXCEPTION, e.getCode());
|
| }
|
| ForkingClusterInvoker<DemoService> forkingClusterInvoker = new ForkingClusterInvoker<DemoService>(directory);
|
| try {
|
| forkingClusterInvoker.invoke(new RpcInvocation("sayHello", new Class<?>[0], new Object[0]));
|
| Assert.fail();
|
| } catch (RpcException e) {
|
| Assert.assertEquals(RpcException.TIMEOUT_EXCEPTION, e.getCode());
|
| }
|
| FailfastClusterInvoker<DemoService> failfastClusterInvoker = new FailfastClusterInvoker<DemoService>(directory);
|
| try {
|
| failfastClusterInvoker.invoke(new RpcInvocation("sayHello", new Class<?>[0], new Object[0]));
|
| Assert.fail();
|
| } catch (RpcException e) {
|
| Assert.assertEquals(RpcException.TIMEOUT_EXCEPTION, e.getCode());
|
| }
|
| } |
| |
| |
| } |