/*
* 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 static org.junit.Assert.assertFalse;
import java.util.ArrayList;
import java.util.List;
import junit.framework.Assert;
import org.easymock.EasyMock;
import org.junit.After;
import org.junit.Before;
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.RpcException;
import com.alibaba.dubbo.rpc.RpcInvocation;
import com.alibaba.dubbo.rpc.RpcResult;
import com.alibaba.dubbo.rpc.cluster.Directory;
/**
* ForkingClusterInvokerTest
*
* @author tony.chenl
*/
@SuppressWarnings("unchecked")
public class ForkingClusterInvokerTest {
List<Invoker<ForkingClusterInvokerTest>> invokers = new ArrayList<Invoker<ForkingClusterInvokerTest>>();
URL url = URL.valueOf("test://test:11/test?forks=2");
Invoker<ForkingClusterInvokerTest> invoker1 = EasyMock.createMock(Invoker.class);
Invoker<ForkingClusterInvokerTest> invoker2 = EasyMock.createMock(Invoker.class);
Invoker<ForkingClusterInvokerTest> invoker3 = EasyMock.createMock(Invoker.class);
RpcInvocation invocation = new RpcInvocation();
Directory<ForkingClusterInvokerTest> dic;
Result result = new RpcResult();
/**
* @throws java.lang.Exception
*/
@Before
public void setUp() throws Exception {
dic = EasyMock.createMock(Directory.class);
EasyMock.expect(dic.getUrl()).andReturn(url).anyTimes();
EasyMock.expect(dic.list(invocation)).andReturn(invokers).anyTimes();
EasyMock.expect(dic.getInterface()).andReturn(ForkingClusterInvokerTest.class).anyTimes();
invocation.setMethodName("method1");
EasyMock.replay(dic);
invokers.add(invoker1);
invokers.add(invoker2);
invokers.add(invoker3);
}
@After
public void tearDown() {
EasyMock.verify(invoker1, dic);
}
private void resetInvokerToException() {
EasyMock.reset(invoker1);
EasyMock.expect(invoker1.invoke(invocation)).andThrow(new RuntimeException()).anyTimes();
EasyMock.expect(invoker1.getUrl()).andReturn(url).anyTimes();
EasyMock.expect(invoker1.isAvailable()).andReturn(true).anyTimes();
EasyMock.expect(invoker1.getInterface()).andReturn(ForkingClusterInvokerTest.class).anyTimes();
EasyMock.replay(invoker1);
EasyMock.reset(invoker2);
EasyMock.expect(invoker2.invoke(invocation)).andThrow(new RuntimeException()).anyTimes();
EasyMock.expect(invoker2.getUrl()).andReturn(url).anyTimes();
EasyMock.expect(invoker2.isAvailable()).andReturn(true).anyTimes();
EasyMock.expect(invoker2.getInterface()).andReturn(ForkingClusterInvokerTest.class).anyTimes();
EasyMock.replay(invoker2);
EasyMock.reset(invoker3);
EasyMock.expect(invoker3.invoke(invocation)).andThrow(new RuntimeException()).anyTimes();
EasyMock.expect(invoker3.getUrl()).andReturn(url).anyTimes();
EasyMock.expect(invoker3.isAvailable()).andReturn(true).anyTimes();
EasyMock.expect(invoker3.getInterface()).andReturn(ForkingClusterInvokerTest.class).anyTimes();
EasyMock.replay(invoker3);
}
private void resetInvokerToNoException() {
EasyMock.reset(invoker1);
EasyMock.expect(invoker1.invoke(invocation)).andReturn(result).anyTimes();
EasyMock.expect(invoker1.getUrl()).andReturn(url).anyTimes();
EasyMock.expect(invoker1.isAvailable()).andReturn(true).anyTimes();
EasyMock.expect(invoker1.getInterface()).andReturn(ForkingClusterInvokerTest.class).anyTimes();
EasyMock.replay(invoker1);
EasyMock.reset(invoker2);
EasyMock.expect(invoker2.invoke(invocation)).andReturn(result).anyTimes();
EasyMock.expect(invoker2.getUrl()).andReturn(url).anyTimes();
EasyMock.expect(invoker2.isAvailable()).andReturn(true).anyTimes();
EasyMock.expect(invoker2.getInterface()).andReturn(ForkingClusterInvokerTest.class).anyTimes();
EasyMock.replay(invoker2);
EasyMock.reset(invoker3);
EasyMock.expect(invoker3.invoke(invocation)).andReturn(result).anyTimes();
EasyMock.expect(invoker3.getUrl()).andReturn(url).anyTimes();
EasyMock.expect(invoker3.isAvailable()).andReturn(true).anyTimes();
EasyMock.expect(invoker3.getInterface()).andReturn(ForkingClusterInvokerTest.class).anyTimes();
EasyMock.replay(invoker3);
}
@Test
public void testInvokeExceptoin() {
resetInvokerToException();
ForkingClusterInvoker<ForkingClusterInvokerTest> invoker = new ForkingClusterInvoker<ForkingClusterInvokerTest>(
dic);
try {
invoker.invoke(invocation);
Assert.fail();
} catch (RpcException expected) {
Assert.assertTrue(expected.getMessage().contains("Failed to forking invoke provider"));
assertFalse(expected.getCause() instanceof RpcException);
}
}
@Test()
public void testInvokeNoExceptoin() {
resetInvokerToNoException();
ForkingClusterInvoker<ForkingClusterInvokerTest> invoker = new ForkingClusterInvoker<ForkingClusterInvokerTest>(
dic);
Result ret = invoker.invoke(invocation);
Assert.assertSame(result, ret);
}
}