TestRpcClientCommunicationFailure.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
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 */
package org.apache.flume.test.agent;

import junit.framework.Assert;

import org.apache.flume.EventDeliveryException;
import org.apache.flume.api.RpcClient;
import org.apache.flume.api.RpcClientFactory;
import org.apache.flume.event.EventBuilder;
import org.apache.flume.test.util.StagedInstall;
import org.junit.Test;

public class TestRpcClientCommunicationFailure {

   public static final String CONFIG_FILE_PRCCLIENT_TEST =
        "rpc-client-test.properties";

   @Test
   public void testFailure() throws Exception {
     try {

       StagedInstall.getInstance().startAgent(
         "rpccagent", CONFIG_FILE_PRCCLIENT_TEST);
       StagedInstall.waitUntilPortOpens("localhost", 12121, 20000);
       RpcClient client = RpcClientFactory.getDefaultInstance(
           "localhost", 12121);
       String[] text = {"foo", "bar", "xyz", "abc"};
       for (String str : text) {
         client.append(EventBuilder.withBody(str.getBytes()));
       }

       // Stop the agent
       StagedInstall.getInstance().stopAgent();

       // Try sending the event which should fail
       try {
         client.append(EventBuilder.withBody("test".getBytes()));
         Assert.fail("EventDeliveryException expected but not raised");
       } catch (EventDeliveryException ex) {
         System.out.println("Attempting to close client");
         client.close();
       }
     } finally {
       if (StagedInstall.getInstance().isRunning()) {
         StagedInstall.getInstance().stopAgent();
       }
     }
   }

}