| /*
|
| * 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; |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.easymock.EasyMock; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import com.alibaba.dubbo.common.URL; |
| 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.RpcResult; |
| import com.alibaba.dubbo.rpc.cluster.Directory; |
| import com.alibaba.dubbo.rpc.cluster.LoadBalance; |
| import com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker; |
| @SuppressWarnings("unchecked") |
| public class StickyTest { |
| |
| List<Invoker<StickyTest>> invokers = new ArrayList<Invoker<StickyTest>>(); |
| |
| |
| Invoker<StickyTest> invoker1 = EasyMock.createMock(Invoker.class); |
| Invoker<StickyTest> invoker2 = EasyMock.createMock(Invoker.class); |
| Invocation invocation; |
| Directory<StickyTest> dic ; |
| Result result = new RpcResult(); |
| StickyClusterInvoker<StickyTest> clusterinvoker = null; |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| dic = EasyMock.createMock(Directory.class); |
| invocation = EasyMock.createMock(Invocation.class); |
| |
| EasyMock.expect(dic.getUrl()).andReturn(url).anyTimes(); |
| EasyMock.expect(dic.list(invocation)).andReturn(invokers).anyTimes(); |
| EasyMock.expect(dic.getInterface()).andReturn(StickyTest.class).anyTimes(); |
| EasyMock.replay(dic); |
| invokers.add(invoker1); |
| invokers.add(invoker2); |
| |
| clusterinvoker = new StickyClusterInvoker<StickyTest>(dic); |
| } |
| URL url = URL.valueOf("test://test:11/test?" |
| +"&loadbalance=roundrobin" |
| // +"&"+RpcConstants.CLUSTER_AVAILABLE_CHECK_KEY+"=true" |
| +"&"+RpcConstants.CLUSTER_STICKY_KEY+"=true" |
| ); |
| |
| int runs = 1; |
| @Test |
| public void testStickyNoCheck() { |
| int count = testSticky(null,false); |
| System.out.println(count); |
| Assert.assertTrue(count>0 && count <=runs); |
| } |
| |
| @Test |
| public void testStickyForceCheck() { |
| int count = testSticky(null,true); |
| Assert.assertTrue(count == 0 || count == runs); |
| } |
| @Test |
| public void testMethodStickyNoCheck() { |
| int count = testSticky("method1",false); |
| System.out.println(count); |
| Assert.assertTrue(count>0 && count <=runs); |
| } |
| |
| @Test |
| public void testMethodStickyForceCheck() { |
| int count = testSticky("method1",true); |
| Assert.assertTrue(count == 0 || count == runs); |
| } |
| |
| @Test |
| public void testMethodsSticky() { |
| for(int i = 0 ;i<100 ; i++){//多次调用看两个方法是否都选在同一个invoker |
| int count1 = testSticky("method1",true); |
| int count2 = testSticky("method2",true); |
| Assert.assertTrue(count1 == count2); |
| } |
| } |
| |
| public int testSticky(String methodName, boolean check) { |
| if (methodName == null){ |
| url = url.addParameter(RpcConstants.CLUSTER_STICKY_KEY, String.valueOf(check)); |
| }else { |
| url = url.addParameter(methodName+"."+RpcConstants.CLUSTER_STICKY_KEY, String.valueOf(check)); |
| } |
| EasyMock.reset(invoker1); |
| EasyMock.expect(invoker1.invoke(invocation)).andReturn(result).anyTimes(); |
| EasyMock.expect(invoker1.isAvailable()).andReturn(true).anyTimes(); |
| EasyMock.expect(invoker1.getUrl()).andReturn(url).anyTimes(); |
| EasyMock.expect(invoker1.getInterface()).andReturn(StickyTest.class).anyTimes(); |
| EasyMock.replay(invoker1); |
| |
| EasyMock.reset(invoker2); |
| EasyMock.expect(invoker2.invoke(invocation)).andReturn(result).anyTimes(); |
| EasyMock.expect(invoker2.isAvailable()).andReturn(true).anyTimes(); |
| EasyMock.expect(invoker2.getUrl()).andReturn(url).anyTimes(); |
| EasyMock.expect(invoker2.getInterface()).andReturn(StickyTest.class).anyTimes(); |
| EasyMock.replay(invoker2); |
| |
| EasyMock.reset(invocation); |
| EasyMock.expect(invocation.getMethodName()).andReturn(methodName).anyTimes(); |
| EasyMock.replay(invocation); |
| |
| int count = 0; |
| for (int i = 0; i < runs; i++) { |
| Assert.assertEquals(null, clusterinvoker.invoke(invocation)); |
| if(invoker1 == clusterinvoker.getSelectedInvoker()){ |
| count ++; |
| } |
| } |
| return count; |
| } |
| |
| |
| static class StickyClusterInvoker<T> extends AbstractClusterInvoker<T>{ |
| private Invoker<T> selectedInvoker ; |
| public StickyClusterInvoker(Directory<T> directory) { |
| super(directory); |
| } |
| public StickyClusterInvoker(Directory<T> directory,URL url) { |
| super(directory, url); |
| } |
| @Override |
| protected Result doInvoke(Invocation invocation, List<Invoker<T>> invokers, |
| LoadBalance loadbalance) throws RpcException { |
| Invoker<T> invoker = select(loadbalance, invocation, invokers, null); |
| selectedInvoker = invoker ; |
| return null; |
| } |
| public Invoker<T> getSelectedInvoker() { |
| return selectedInvoker; |
| } |
| } |
| } |