package org.apache.helix.integration;
   
   /*
    * 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.
   */
  
  import java.util.Arrays;
  import java.util.Date;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.helix.TestHelper;
  import org.apache.helix.ZNRecord;
  import org.apache.helix.PropertyKey.Builder;
  import org.apache.helix.controller.HelixControllerMain;
  import org.apache.helix.manager.zk.ZKHelixDataAccessor;
  import org.apache.helix.manager.zk.ZkBaseDataAccessor;
  import org.apache.helix.mock.participant.MockParticipant;
  import org.apache.helix.model.IdealState;
  import org.apache.helix.tools.ClusterStateVerifier;
  import org.apache.helix.tools.DefaultIdealStateCalculator;
  import org.testng.Assert;
  import org.testng.annotations.Test;
  
  
  public class TestRenamePartition extends ZkIntegrationTestBase
  {
    @Test()
    public void testRenamePartitionAutoIS() throws Exception
    {
      String clusterName = "CLUSTER_" + getShortClassName() + "_auto";
      System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
  
      TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port
                              "localhost", // participant name prefix
                              "TestDB", // resource name prefix
                              1, // resources
                              10, // partitions per resource
                              5, // number of nodes
                              3, // replicas
                              "MasterSlave", true); // do rebalance
  
  
      startAndVerify(clusterName);
      
      // rename partition name TestDB0_0 tp TestDB0_100
      ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
      Builder keyBuilder = accessor.keyBuilder();
  
      IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
      
      List<String> prioList = idealState.getRecord().getListFields().remove("TestDB0_0");
      idealState.getRecord().getListFields().put("TestDB0_100", prioList);
      accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
  
      boolean result = ClusterStateVerifier.verifyByPolling(
          new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
      Assert.assertTrue(result);
  
      System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
  
    }
    
    @Test()
    public void testRenamePartitionCustomIS() throws Exception
    {
      
      String clusterName = "CLUSTER_" + getShortClassName() + "_custom";
      System.out.println("START " + clusterName + " at " + new Date(System.currentTimeMillis()));
  
      TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, // participant start port
                              "localhost", // participant name prefix
                              "TestDB", // resource name prefix
                              1, // resources
                              10, // partitions per resource
                              5, // number of nodes
                              3, // replicas
                              "MasterSlave", false); // do rebalance
  
      // calculate idealState
      List<String> instanceNames = Arrays.asList("localhost_12918", "localhost_12919", "localhost_12920",
          "localhost_12921", "localhost_12922");
      ZNRecord destIS = DefaultIdealStateCalculator.calculateIdealState(instanceNames,
          10, 3-1, "TestDB0", "MASTER", "SLAVE");
     IdealState idealState = new IdealState(destIS);
     idealState.setIdealStateMode("CUSTOMIZED");
     idealState.setReplicas("3");
     idealState.setStateModelDefRef("MasterSlave");
     
     ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_gZkClient));
     Builder keyBuilder = accessor.keyBuilder();
 
     accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
 
     startAndVerify(clusterName);
     
     Map<String, String> stateMap = idealState.getRecord().getMapFields().remove("TestDB0_0");
     idealState.getRecord().getMapFields().put("TestDB0_100", stateMap);
     accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);
 
     boolean result = ClusterStateVerifier.verifyByPolling(
         new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
     Assert.assertTrue(result);
     System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));
 
   }
   
   private void startAndVerify(String clusterName) throws Exception
   {
     MockParticipant[] participants = new MockParticipant[5];
 
     TestHelper.startController(clusterName, "controller_0", ZK_ADDR, HelixControllerMain.STANDALONE);
     
     // start participants
     for (int i = 0; i < 5; i++)
     {
       String instanceName = "localhost_" + (12918 + i);
 
       participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
       participants[i].syncStart();
 //      new Thread(participants[i]).start();
     }
 
     boolean result = ClusterStateVerifier.verifyByPolling(
         new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR, clusterName));
     Assert.assertTrue(result);
 
   }
 }