dubbo-rpc/dubbo-rpc-dubbo/src/test/java/com/alibaba/dubbo/rpc/protocol/dubbo/RpcFilterTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
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package com.alibaba.dubbo.rpc.protocol.dubbo;

import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.extension.ExtensionLoader;
import com.alibaba.dubbo.rpc.Protocol;
import com.alibaba.dubbo.rpc.ProxyFactory;
import com.alibaba.dubbo.rpc.protocol.dubbo.support.DemoService;
import com.alibaba.dubbo.rpc.protocol.dubbo.support.DemoServiceImpl;
import com.alibaba.dubbo.rpc.service.EchoService;

import junit.framework.TestCase;

public class RpcFilterTest extends TestCase {
    private Protocol protocol = ExtensionLoader.getExtensionLoader(Protocol.class).getAdaptiveExtension();
    private ProxyFactory proxy = ExtensionLoader.getExtensionLoader(ProxyFactory.class).getAdaptiveExtension();

    public void testRpcFilter() throws Exception {
        DemoService service = new DemoServiceImpl();
        URL url = URL.valueOf("dubbo://127.0.0.1:9010/com.alibaba.dubbo.rpc.DemoService?service.filter=echo");
        protocol.export(proxy.getInvoker(service, DemoService.class, url));
        service = proxy.getProxy(protocol.refer(DemoService.class, url));
        assertEquals("123", service.echo("123"));
        // cast to EchoService
        EchoService echo = proxy.getProxy(protocol.refer(EchoService.class, url));
        assertEquals(echo.$echo("test"), "test");
        assertEquals(echo.$echo("abcdefg"), "abcdefg");
        assertEquals(echo.$echo(1234), 1234);
    }

}