/*
* 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.registry.dubbo;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import com.alibaba.dubbo.common.Constants;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.extension.ExtensionLoader;
import com.alibaba.dubbo.registry.NotifyListener;
import com.alibaba.dubbo.registry.RegistryFactory;
import com.alibaba.dubbo.registry.integration.RegistryProtocol;
import com.alibaba.dubbo.registry.support.AbstractRegistry;
import com.alibaba.dubbo.remoting.exchange.ExchangeClient;
import com.alibaba.dubbo.rpc.Exporter;
import com.alibaba.dubbo.rpc.Invocation;
import com.alibaba.dubbo.rpc.Invoker;
import com.alibaba.dubbo.rpc.Protocol;
import com.alibaba.dubbo.rpc.Result;
import com.alibaba.dubbo.rpc.cluster.support.FailfastCluster;
import com.alibaba.dubbo.rpc.protocol.AbstractInvoker;
import com.alibaba.dubbo.rpc.protocol.dubbo.DubboInvoker;
import com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol;
/**
* RegistryProtocolTest
*
* @author tony.chenl
*/
public class RegistryProtocolTest {
final private Protocol protocol = ExtensionLoader.getExtensionLoader(Protocol.class).getAdaptiveExtension();
static {
SimpleRegistryExporter.exportIfAbsent(9090);
}
final String service = "com.alibaba.dubbo.registry.protocol.DemoService:1.0.0";
final String serviceUrl = "dubbo://127.0.0.1:9453/" + service + "?notify=true&methods=test1,test2";
final URL registryUrl = URL.valueOf("registry://127.0.0.1:9090/");
@Test
public void testDefaultPort() {
RegistryProtocol registryProtocol = new RegistryProtocol();
assertEquals(9090, registryProtocol.getDefaultPort());
}
@Test(expected = IllegalArgumentException.class)
public void testExportUrlNull() {
RegistryProtocol registryProtocol = new RegistryProtocol();
registryProtocol.setCluster(new FailfastCluster());
Protocol dubboProtocol = DubboProtocol.getDubboProtocol();
registryProtocol.setProtocol(dubboProtocol);
Invoker<DemoService> invoker = new DubboInvoker<DemoService>(DemoService.class,
registryUrl, new ExchangeClient[] { new MockedClient("10.20.20.20", 2222, true) });
registryProtocol.export(invoker);
}
@Test
public void testExport() {
RegistryProtocol registryProtocol = new RegistryProtocol();
registryProtocol.setCluster(new FailfastCluster());
registryProtocol.setRegistryFactory(ExtensionLoader.getExtensionLoader(RegistryFactory.class).getAdaptiveExtension());
Protocol dubboProtocol = DubboProtocol.getDubboProtocol();
registryProtocol.setProtocol(dubboProtocol);
URL newRegistryUrl = registryUrl.addParameter(Constants.EXPORT_KEY, serviceUrl);
DubboInvoker<DemoService> invoker = new DubboInvoker<DemoService>(DemoService.class,
newRegistryUrl, new ExchangeClient[] { new MockedClient("10.20.20.20", 2222, true) });
Exporter<DemoService> exporter = registryProtocol.export(invoker);
Exporter<DemoService> exporter2 = registryProtocol.export(invoker);
//同一个invoker，多次export的exporter不同
Assert.assertNotSame(exporter, exporter2);
exporter.unexport();
exporter2.unexport();
}
@Test
public void testNotifyOverride() throws Exception{
URL newRegistryUrl = registryUrl.addParameter(Constants.EXPORT_KEY, serviceUrl);
Invoker<RegistryProtocolTest> invoker = new MockInvoker<RegistryProtocolTest>(RegistryProtocolTest.class, newRegistryUrl);
Exporter<?> exporter = protocol.export(invoker);
RegistryProtocol rprotocol = RegistryProtocol.getRegistryProtocol();
NotifyListener listener = getListener(rprotocol);
List<URL> urls = new ArrayList<URL>();
urls.add(URL.valueOf("override://0.0.0.0/?timeout=1000"));
urls.add(URL.valueOf("override://0.0.0.0/"+ service + "?timeout=100"));
urls.add(URL.valueOf("override://0.0.0.0/"+ service + "?x=y"));
listener.notify(urls);
assertEquals(true, exporter.getInvoker().isAvailable());
assertEquals("100", exporter.getInvoker().getUrl().getParameter("timeout"));
assertEquals("y", exporter.getInvoker().getUrl().getParameter("x"));
exporter.unexport();
assertEquals(false, exporter.getInvoker().isAvailable());
destroyRegistryProtocol();
}
/**
* 服务名称不匹配，不能override invoker
* 服务名称匹配，服务版本号不匹配
*/
@Test
public void testNotifyOverride_notmatch() throws Exception{
URL newRegistryUrl = registryUrl.addParameter(Constants.EXPORT_KEY, serviceUrl);
Invoker<RegistryProtocolTest> invoker = new MockInvoker<RegistryProtocolTest>(RegistryProtocolTest.class, newRegistryUrl);
Exporter<?> exporter = protocol.export(invoker);
RegistryProtocol rprotocol = RegistryProtocol.getRegistryProtocol();
NotifyListener listener = getListener(rprotocol);
List<URL> urls = new ArrayList<URL>();
urls.add(URL.valueOf("override://0.0.0.0/com.alibaba.dubbo.registry.protocol.HackService?timeout=100"));
listener.notify(urls);
assertEquals(true, exporter.getInvoker().isAvailable());
assertEquals(null, exporter.getInvoker().getUrl().getParameter("timeout"));
exporter.unexport();
destroyRegistryProtocol();
}
/**
*测试destory registry ，exporter是否能够正常被destroy掉
*/
@Test
public void testDestoryRegistry(){
URL newRegistryUrl = registryUrl.addParameter(Constants.EXPORT_KEY, serviceUrl);
Invoker<RegistryProtocolTest> invoker = new MockInvoker<RegistryProtocolTest>(RegistryProtocolTest.class, newRegistryUrl);
Exporter<?> exporter = protocol.export(invoker);
destroyRegistryProtocol();
assertEquals(false, exporter.getInvoker().isAvailable());
}
private void destroyRegistryProtocol(){
Protocol registry = RegistryProtocol.getRegistryProtocol();
registry.destroy();
}
private NotifyListener getListener(RegistryProtocol protocol) throws Exception {
return protocol.getOverrideListeners().values().iterator().next();
}
static class MockInvoker<T> extends AbstractInvoker<T>{
public MockInvoker(Class<T> type, URL url) {
super(type, url);
}
@Override
protected Result doInvoke(Invocation invocation) throws Throwable {
//do nothing
return null;
}
}
static class MockRegistry extends AbstractRegistry{
public MockRegistry(URL url) {
super(url);
}
public boolean isAvailable() {
return true;
}
}
}