/*
* Copyright 1999-2012 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.config;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicReference;
import org.junit.Assert;
import org.junit.Test;
import com.alibaba.dubbo.common.Constants;
import com.alibaba.dubbo.common.beanutil.JavaBeanAccessor;
import com.alibaba.dubbo.common.beanutil.JavaBeanDescriptor;
import com.alibaba.dubbo.common.beanutil.JavaBeanSerializeUtil;
import com.alibaba.dubbo.common.extension.ExtensionLoader;
import com.alibaba.dubbo.common.serialize.Serialization;
import com.alibaba.dubbo.common.utils.ReflectUtils;
import com.alibaba.dubbo.config.api.DemoException;
import com.alibaba.dubbo.config.api.DemoService;
import com.alibaba.dubbo.config.api.User;
import com.alibaba.dubbo.config.provider.impl.DemoServiceImpl;
import com.alibaba.dubbo.rpc.service.GenericException;
import com.alibaba.dubbo.rpc.service.GenericService;
/**
* GenericServiceTest
*
* @author william.liangf
*/
public class GenericServiceTest {
@Test
public void testGenericServiceException() {
ServiceConfig<GenericService> service = new ServiceConfig<GenericService>();
service.setApplication(new ApplicationConfig("generic-provider"));
service.setRegistry(new RegistryConfig("N/A"));
service.setProtocol(new ProtocolConfig("dubbo", 29581));
service.setInterface(DemoService.class.getName());
service.setRef(new GenericService() {
public Object $invoke(String method, String[] parameterTypes, Object[] args)
throws GenericException {
if ("sayName".equals(method)) {
return "Generic " + args[0];
}
if ("throwDemoException".equals(method)) {
throw new GenericException(DemoException.class.getName(), "Generic");
}
if ("getUsers".equals(method)) {
return args[0];
}
return null;
}
});
service.export();
try {
ReferenceConfig<DemoService> reference = new ReferenceConfig<DemoService>();
reference.setApplication(new ApplicationConfig("generic-consumer"));
reference.setInterface(DemoService.class);
reference.setUrl("dubbo://127.0.0.1:29581?generic=true");
DemoService demoService = reference.get();
try {
// say name
Assert.assertEquals("Generic Haha", demoService.sayName("Haha"));
// get users
List<User> users = new ArrayList<User>();
users.add(new User("Aaa"));
users = demoService.getUsers(users);
Assert.assertEquals("Aaa", users.get(0).getName());
// throw demo exception
try {
demoService.throwDemoException();
Assert.fail();
} catch (DemoException e) {
Assert.assertEquals("Generic", e.getMessage());
}
} finally {
reference.destroy();
}
} finally {
service.unexport();
}
}
@SuppressWarnings("unchecked")
@Test
public void testGenericReferenceException() {
ServiceConfig<DemoService> service = new ServiceConfig<DemoService>();
service.setApplication(new ApplicationConfig("generic-provider"));
service.setRegistry(new RegistryConfig("N/A"));
service.setProtocol(new ProtocolConfig("dubbo", 29581));
service.setInterface(DemoService.class.getName());
service.setRef(new DemoServiceImpl());
service.export();
try {
ReferenceConfig<GenericService> reference = new ReferenceConfig<GenericService>();
reference.setApplication(new ApplicationConfig("generic-consumer"));
reference.setInterface(DemoService.class);
reference.setUrl("dubbo://127.0.0.1:29581?scope=remote");
reference.setGeneric(true);
GenericService genericService = reference.get();
try {
List<Map<String, Object>> users = new ArrayList<Map<String, Object>>();
Map<String, Object> user = new HashMap<String, Object>();
user.put("class", "com.alibaba.dubbo.config.api.User");
user.put("name", "actual.provider");
users.add(user);
users = (List<Map<String, Object>>) genericService.$invoke("getUsers", new String[]{List.class.getName()}, new Object[]{users});
Assert.assertEquals(1, users.size());
Assert.assertEquals("actual.provider", users.get(0).get("name"));
} finally {
reference.destroy();
}
} finally {
service.unexport();
}
}
@Test
public void testGenericSerializationJava() throws Exception {
ServiceConfig<DemoService> service = new ServiceConfig<DemoService>();
service.setApplication(new ApplicationConfig("generic-provider"));
service.setRegistry(new RegistryConfig("N/A"));
service.setProtocol(new ProtocolConfig("dubbo", 29581));
service.setInterface(DemoService.class.getName());
DemoServiceImpl ref = new DemoServiceImpl();
service.setRef(ref);
service.export();
try {
ReferenceConfig<GenericService> reference = new ReferenceConfig<GenericService>();
reference.setApplication(new ApplicationConfig("generic-consumer"));
reference.setInterface(DemoService.class);
reference.setUrl("dubbo://127.0.0.1:29581?scope=remote");
reference.setGeneric(Constants.GENERIC_SERIALIZATION_NATIVE_JAVA);
GenericService genericService = reference.get();
try {
String name = "kimi";
ByteArrayOutputStream bos = new ByteArrayOutputStream(512);
ExtensionLoader.getExtensionLoader(Serialization.class)
.getExtension("nativejava").serialize(null, bos).writeObject(name);
byte[] arg = bos.toByteArray();
Object obj = genericService.$invoke("sayName", new String[]{String.class.getName()}, new Object[]{arg});
Assert.assertTrue(obj instanceof byte[]);
byte[] result = (byte[]) obj;
Assert.assertEquals(ref.sayName(name), ExtensionLoader.getExtensionLoader(Serialization.class)
.getExtension("nativejava").deserialize(null, new ByteArrayInputStream(result)).readObject().toString());
// getUsers
List<User> users = new ArrayList<User>();
User user = new User();
user.setName(name);
users.add(user);
bos = new ByteArrayOutputStream(512);
ExtensionLoader.getExtensionLoader(Serialization.class)
.getExtension("nativejava").serialize(null, bos).writeObject(users);
obj = genericService.$invoke("getUsers",
new String[]{List.class.getName()},
new Object[]{bos.toByteArray()});
Assert.assertTrue(obj instanceof byte[]);
result = (byte[]) obj;
Assert.assertEquals(users,
ExtensionLoader.getExtensionLoader(Serialization.class)
.getExtension("nativejava")
.deserialize(null, new ByteArrayInputStream(result))
.readObject());
// echo(int)
bos = new ByteArrayOutputStream(512);
ExtensionLoader.getExtensionLoader(Serialization.class).getExtension("nativejava")
.serialize(null, bos).writeObject(Integer.MAX_VALUE);
obj = genericService.$invoke("echo", new String[]{int.class.getName()}, new Object[]{bos.toByteArray()});
Assert.assertTrue(obj instanceof byte[]);
Assert.assertEquals(Integer.MAX_VALUE,
ExtensionLoader.getExtensionLoader(Serialization.class)
.getExtension("nativejava")
.deserialize(null, new ByteArrayInputStream((byte[]) obj))
.readObject());
} finally {
reference.destroy();
}
} finally {
service.unexport();
}
}
@Test
public void testGenericInvokeWithBeanSerialization() throws Exception {
ServiceConfig<DemoService> service = new ServiceConfig<DemoService>();
service.setApplication(new ApplicationConfig("bean-provider"));
service.setInterface(DemoService.class);
service.setRegistry(new RegistryConfig("N/A"));
DemoServiceImpl impl = new DemoServiceImpl();
service.setRef(impl);
service.setProtocol(new ProtocolConfig("dubbo", 29581));
service.export();
ReferenceConfig<GenericService> reference = null;
try {
reference = new ReferenceConfig<GenericService>();
reference.setApplication(new ApplicationConfig("bean-consumer"));
reference.setInterface(DemoService.class);
reference.setUrl("dubbo://127.0.0.1:29581?scope=remote");
reference.setGeneric(Constants.GENERIC_SERIALIZATION_BEAN);
GenericService genericService = reference.get();
User user = new User();
user.setName("zhangsan");
List<User> users = new ArrayList<User>();
users.add(user);
Object result = genericService.$invoke("getUsers", new String[]{ReflectUtils.getName(List.class)}, new Object[]{JavaBeanSerializeUtil.serialize(users, JavaBeanAccessor.METHOD)});
Assert.assertTrue(result instanceof JavaBeanDescriptor);
JavaBeanDescriptor descriptor = (JavaBeanDescriptor) result;
Assert.assertTrue(descriptor.isCollectionType());
Assert.assertEquals(1, descriptor.propertySize());
descriptor = (JavaBeanDescriptor) descriptor.getProperty(0);
Assert.assertTrue(descriptor.isBeanType());
Assert.assertEquals(user.getName(), ((JavaBeanDescriptor) descriptor.getProperty("name")).getPrimitiveProperty());
} finally {
if (reference != null) {
reference.destroy();
}
service.unexport();
}
}
protected static class GenericParameter {
String method;
String[] parameterTypes;
Object[] arguments;
}
@Test
public void testGenericImplementationWithBeanSerialization() throws Exception {
final AtomicReference reference = new AtomicReference();
ServiceConfig<GenericService> service = new ServiceConfig<GenericService>();
service.setApplication(new ApplicationConfig("bean-provider"));
service.setRegistry(new RegistryConfig("N/A"));
service.setProtocol(new ProtocolConfig("dubbo", 29581));
service.setInterface(DemoService.class.getName());
service.setRef(new GenericService() {
public Object $invoke(String method, String[] parameterTypes, Object[] args) throws GenericException {
if ("getUsers".equals(method)) {
GenericParameter arg = new GenericParameter();
arg.method = method;
arg.parameterTypes = parameterTypes;
arg.arguments = args;
reference.set(arg);
return args[0];
}
if ("sayName".equals(method)) {
return null;
}
return args;
}
});
service.export();
ReferenceConfig<DemoService> ref = null;
try {
ref = new ReferenceConfig<DemoService>();
ref.setApplication(new ApplicationConfig("bean-consumer"));
ref.setInterface(DemoService.class);
ref.setUrl("dubbo://127.0.0.1:29581?scope=remote&generic=bean");
DemoService demoService = ref.get();
User user = new User();
user.setName("zhangsan");
List<User> users = new ArrayList<User>();
users.add(user);
List<User> result = demoService.getUsers(users);
Assert.assertEquals(users.size(), result.size());
Assert.assertEquals(user.getName(), result.get(0).getName());
GenericParameter gp = (GenericParameter)reference.get();
Assert.assertEquals("getUsers", gp.method);
Assert.assertEquals(1, gp.parameterTypes.length);
Assert.assertEquals(ReflectUtils.getName(List.class), gp.parameterTypes[0]);
Assert.assertEquals(1, gp.arguments.length);
Assert.assertTrue(gp.arguments[0] instanceof JavaBeanDescriptor);
JavaBeanDescriptor descriptor = (JavaBeanDescriptor)gp.arguments[0];
Assert.assertTrue(descriptor.isCollectionType());
Assert.assertEquals(ArrayList.class.getName(), descriptor.getClassName());
Assert.assertEquals(1, descriptor.propertySize());
descriptor = (JavaBeanDescriptor)descriptor.getProperty(0);
Assert.assertTrue(descriptor.isBeanType());
Assert.assertEquals(User.class.getName(), descriptor.getClassName());
Assert.assertEquals(user.getName(), ((JavaBeanDescriptor)descriptor.getProperty("name")).getPrimitiveProperty());
Assert.assertNull(demoService.sayName("zhangsan"));
} finally {
if (ref != null) {
ref.destroy();
}
service.unexport();
}
}
}