content: /**
   * 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 io.jafka.consumer;
  
  import com.github.zkclient.ZkServer;
  import io.jafka.*;
  import io.jafka.producer.StringProducerData;
  import io.jafka.producer.StringProducers;
  import io.jafka.producer.serializer.Decoder;
  import org.junit.After;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  
  import java.io.IOException;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Properties;
  import java.util.concurrent.Callable;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicInteger;
  
  
  /**
   * @author adyliu (imxylz@gmail.com)
   */
  public class ZookeeperStringTest extends BaseJafkaServer {
  
      private ZkServer zkServer;
  
      final int port = PortUtils.checkAvailablePort(2188);
  
      @Before
      public void createZkServer() throws IOException {
          zkServer = ZkServerTestUtil.startZkServer(port);
      }
  
      @After
      public void destroy() {
          ZkServerTestUtil.closeZkServer(zkServer);
      }
  
      /**
       * Test method for
       * {@link ZookeeperConsumerConnector#createMessageStreams(Map, Decoder)}
       * .
       */
      @Test
      public void testCreateMessageStreams() throws Exception {
  
          //create some jafka
          final int jafkaCount = 2;
          final int partition = 1;
          Jafka[] jafkas = new Jafka[jafkaCount];
  
          for (int i = 0; i < jafkaCount; i++) {
              Properties serverProperties = new Properties();
              serverProperties.setProperty("enable.zookeeper", "true");
              serverProperties.setProperty("zk.connect", "localhost:" + port);
              serverProperties.setProperty("port", String.valueOf(PortUtils.checkAvailablePort(9092)));
              serverProperties.setProperty("brokerid", "" + i);
              serverProperties.setProperty("num.partitions", "" + partition);
              serverProperties.setProperty("log.dir", DataLogCleaner.defaultDataLogPath + "/jafka" + i);
              Jafka jafka = createJafka(serverProperties);
              jafkas[i] = jafka;
          }
          //
          final String zookeeperConfig = "localhost:" + port;
          final String topicName = "demo";
  
          StringProducers ps = StringProducers.buildGlobal(zookeeperConfig);
  
  
  
          //send some message
          final int messageCount = 100;
          final HashSet<String> messages = new HashSet<String>(messageCount);
          for (int i = 0; i < messageCount; i++) {
              String msg = "message#" + i;
  
              ps.send(new StringProducerData(topicName,msg));
              if(i ==0) {
                  //Thread.sleep(2000L);//waiting broker register this topic
              }
              messages.add(msg);
          }
          Thread.sleep(1000L);
          //
          //flush all servers
          for (Jafka jafka : jafkas) {
              flush(jafka);
          }
          //waiting for sending over
          //Thread.sleep(1000L);
          Assert.assertEquals(messageCount, messages.size());
          //
          final AtomicInteger count = new AtomicInteger(0);
          StringConsumers sc = StringConsumers.buildConsumer(zookeeperConfig, topicName, "mygroup", new IMessageListener<String>() {
              @Override
              public void onMessage(String message) {
                  //System.out.println(count.getAndIncrement()+" -> "+message);
                  //Assert.assertEquals(message,"message#"+count.getAndIncrement());
                  messages.remove(message);
                  count.getAndIncrement();
              }
          });
          TestUtil.waitUntil(messageCount, new Callable<Integer>() {
              @Override
              public Integer call() throws Exception {
                  return count.get();
              }
          },TimeUnit.SECONDS,10);
          try {
              Assert.assertEquals(messageCount, count.get());
              if (messages.size() > 0) {
                  for(String m: messages){
                      logger.error("message=>"+m.length()+":"+m);
                  }
                  logger.error("what's this? =="+messages+"== size="+messages.size());
              }
              Assert.assertEquals(0, messages.size());
          }finally {
              sc.close();
              for(Jafka jafka: jafkas){
                  close(jafka);
              }
          }
      }
  
  }
  