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 com.jstorm.example.unittests.utils;
  
  import backtype.storm.Config;
  import backtype.storm.LocalCluster;
  import backtype.storm.generated.StormTopology;
  import com.alibaba.jstorm.utils.JStormUtils;
  
  import java.util.Map;
  
  /**
   * @author binyang.dby on 2016/7/8.
   *
   * This is a util for JStorm unit tests. You can pass in a topology , a config, the runtime, and
   * an optional validator to run a unit test.
   * The topology is always run in local cluster mode since it is just used for unit tests.
   * The minimum runtime is 120 seconds because the metrics need time to update if you use it. The
   * map and the validator can be null.
   */
  public class JStormUnitTestRunner
  {
      /**
       * submit a topology to run in local cluster mode and check if the result should
       * pass the unit test by a callback.
       * @param topology the topology to submit
       * @param runtimeSec max run time in seconds, minimum is 120s
       * @param validator the callback to invoke after cluster closed
       * @return the result of validator if set, or true if it is null
       */
      public static boolean submitTopology(StormTopology topology, Map config, int runtimeSec, JStormUnitTestValidator validator)
      {
          JStormUtils.sleepMs(15 * 1000);
  
          if(runtimeSec < 120)
              runtimeSec = 120;
  
          LocalCluster localCluster = new LocalCluster();
          String topologyName;
  
          if(config == null)
              config = new Config();
  
          if(config.containsKey(Config.TOPOLOGY_NAME))
              topologyName = (String)config.get(Config.TOPOLOGY_NAME);
          else
              topologyName = "JStormUnitTestTopology";
  
          localCluster.submitTopology(topologyName, config, topology);
          JStormUtils.sleepMs(runtimeSec * 1000);
  
          if(validator != null)
              return validator.validate(config);
  
          return true;
      }
  }
  