BalancingFlumeClientManagerTest.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * 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 org.kaaproject.kaa.server.appenders.flume.appender.client;

import org.apache.flume.EventDeliveryException;
import org.apache.flume.FlumeException;
import org.apache.flume.event.EventBuilder;
import org.junit.Before;
import org.junit.Test;
import org.kaaproject.kaa.server.appenders.flume.config.gen.FlumeNode;
import org.kaaproject.kaa.server.appenders.flume.config.gen.FlumeNodes;

import java.util.Arrays;

public class BalancingFlumeClientManagerTest extends FlumeClientManagerTest<FlumeNodes> {

  @Before
  public final void before() {
    flumeNodes = FlumeNodes
        .newBuilder()
        .setFlumeNodes(
            Arrays.asList(new FlumeNode("localhost", 12121),
                new FlumeNode("localhost", 12122))).build();
    configuration.setHostsBalancing(flumeNodes);
    configuration.setCallbackThreadPoolSize(2);
    configuration.setClientsThreadPoolSize(2);
    configuration.setExecutorThreadPoolSize(2);
  }

  @Test
  public void initFlumeClientWithFlumeAgentTest() throws Exception {
    flumeSourceRunner.startFlumeSource("agent", "localhost", 12121);
    clientManager = FlumeClientManager.getInstance(configuration);
    clientManager.sendEventToFlume(EventBuilder.withBody(testEventBody));
  }

  @Test
  public void initFlumeClientWithFlumeAgentAsyncTest() throws Exception {
    flumeSourceRunner.startFlumeSource("agent", "localhost", 12121);
    clientManager = FlumeClientManager.getInstance(configuration);
    clientManager.sendEventToFlumeAsync(EventBuilder.withBody(testEventBody));
  }

  @Test(expected = EventDeliveryException.class)
  public void initFlumeClientWithFlumeAgentAndEmptyEventTest() throws Exception {
    flumeSourceRunner.startFlumeSource("agent", "localhost", 12121);
    clientManager = FlumeClientManager.getInstance(configuration);
    clientManager.sendEventToFlume(null);
  }

  @Test(expected = FlumeException.class)
  public void initFlumeClientWithFlumeAgentAndOneHostTest() throws Exception {
    flumeSourceRunner.startFlumeSource("agent", "localhost", 12121);
    flumeNodes = FlumeNodes
        .newBuilder()
        .setFlumeNodes(
            Arrays.asList(new FlumeNode("localhost", 12121))).build();
    configuration.setHostsBalancing(flumeNodes);
    clientManager = FlumeClientManager.getInstance(configuration);
    clientManager.sendEventToFlume(EventBuilder.withBody(testEventBody));
  }

  @Test(expected = RuntimeException.class)
  public void currentClientNullTest() {
    clientManager.init(null);
  }
}