utils/netty/src/test/java/org/onlab/netty/PingPongTest.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.
 */
package org.onlab.netty;

import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;

import org.apache.commons.lang3.RandomUtils;

import static org.junit.Assert.*;

import org.junit.Test;

/**
 * Simple ping-pong test that exercises NettyMessagingService.
 */
public class PingPongTest {

    @Test
    public void testPingPong() throws Exception {
        NettyMessagingService pinger = new NettyMessagingService(8085);
        NettyMessagingService ponger = new NettyMessagingService(9086);
        try {
            pinger.activate();
            ponger.activate();
            ponger.registerHandler("echo", new EchoHandler());
            byte[] payload = RandomUtils.nextBytes(100);
            Future<byte[]> responseFuture = pinger.sendAndReceive(new Endpoint("localhost", 9086), "echo", payload);
            assertArrayEquals(payload, responseFuture.get(10000, TimeUnit.MILLISECONDS));
        } finally {
            pinger.deactivate();
            ponger.deactivate();
        }
    }
}