content: /*
   * Copyright (C) 2010-2101 Alibaba Group Holding Limited.
   *
   * 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 com.alibaba.otter.shared.arbitrate.setl.monitor;
  
  import mockit.Mock;
  import mockit.Mockit;
  
  import org.apache.zookeeper.CreateMode;
  import org.testng.annotations.AfterMethod;
  import org.testng.annotations.BeforeClass;
  import org.testng.annotations.BeforeMethod;
  import org.testng.annotations.Test;
  
  import com.alibaba.otter.shared.arbitrate.BaseEventTest;
  import com.alibaba.otter.shared.arbitrate.impl.config.ArbitrateConfigUtils;
  import com.alibaba.otter.shared.arbitrate.impl.manage.ChannelArbitrateEvent;
  import com.alibaba.otter.shared.arbitrate.impl.manage.PipelineArbitrateEvent;
  import com.alibaba.otter.shared.arbitrate.impl.setl.helper.StagePathUtils;
  import com.alibaba.otter.shared.arbitrate.impl.setl.monitor.MonitorScheduler;
  import com.alibaba.otter.shared.arbitrate.impl.setl.monitor.TerminMonitor;
  import com.alibaba.otter.shared.arbitrate.model.TerminEventData;
  import com.alibaba.otter.shared.arbitrate.model.TerminEventData.TerminType;
  import com.alibaba.otter.shared.common.model.config.channel.Channel;
  import com.alibaba.otter.shared.common.model.config.pipeline.Pipeline;
  import com.alibaba.otter.shared.common.utils.JsonUtils;
  import com.alibaba.otter.shared.common.utils.zookeeper.ZkClientx;
  
  /**
   * @author jianghang 2011-9-27 上午11:15:21
   * @version 4.0.0
   */
  public class TerminMonitorTest extends BaseEventTest {
  
      private ZkClientx              zookeeper  = null;
      private ChannelArbitrateEvent  channelEvent;
      private PipelineArbitrateEvent pipelineEvent;
  
      private Long                   channelId  = 100L;
      private Long                   pipelineId = 100L;
  
      private TerminMonitor          terminMonitor;
  
      @BeforeClass
      public void init() {
          // 初始化节点
          // mock 配置信息数据
          Mockit.setUpMock(ArbitrateConfigUtils.class, new Object() {
  
              @Mock
              public Channel getChannel(Long pipelineId) {
                  Channel channel = new Channel();
                  channel.setId(channelId);
                  return channel;
              }
  
              @Mock
              public Pipeline getOppositePipeline(Long pipelineId) {
                  Pipeline pipeline = new Pipeline();
                  pipeline.setId(pipelineId);
                  return pipeline;
              }
  
          });
  
          zookeeper = getZookeeper();
          channelEvent = new ChannelArbitrateEvent();
          pipelineEvent = new PipelineArbitrateEvent();
      }
  
      @BeforeMethod
      public void setUp() {
          channelEvent.init(channelId);
          // 初始化两个pipeline
          pipelineEvent.init(channelId, pipelineId);
      }
  
      @AfterMethod
      public void tearDown() {
          MonitorScheduler.unRegister(terminMonitor);
          // 初始化两个pipeline
          pipelineEvent.destory(channelId, pipelineId);
          channelEvent.destory(channelId);
      }
  
      @Test
      public void test_init() {
          initTermin(1L);
          initTermin(2L);
          try {
              terminMonitor = new TerminMonitor(pipelineId);
              Long p1 = terminMonitor.waitForProcess();
              terminMonitor.ack(p1);
              Long p2 = terminMonitor.waitForProcess();
              terminMonitor.ack(p2);
  
              want.bool(p1.equals(1L)).is(true);
              want.bool(p2.equals(2L)).is(true);
              terminMonitor.destory();
          } catch (InterruptedException e) {
              want.fail();
          } finally {
              destoryTermin(1L);
              destoryTermin(2L);
          }
      }
  
      @Test
      public void test_dynamic() {
          initTermin(1L);
          initTermin(2L);
          try {
              terminMonitor = new TerminMonitor(pipelineId);
              // 开始变化
              destoryTermin(1L);
              initTermin(3L);
              initTermin(1L);
              sleep();
              Long p1 = terminMonitor.waitForProcess();
              terminMonitor.ack(p1);
              Long p2 = terminMonitor.waitForProcess();
              terminMonitor.ack(p2);
              Long p3 = terminMonitor.waitForProcess();
              terminMonitor.ack(p3);
              // 一定是按顺序输出
              want.bool(p1.equals(1L)).is(true);
              want.bool(p2.equals(2L)).is(true);
              want.bool(p3.equals(3L)).is(true);
              terminMonitor.destory();
          } catch (InterruptedException e) {
              want.fail();
          } finally {
              destoryTermin(1L);
              destoryTermin(2L);
              destoryTermin(3L);
          }
      }
  
      private void initTermin(Long processId) {
          TerminEventData data = new TerminEventData();
          data.setPipelineId(pipelineId);
          data.setProcessId(processId);
          data.setType(TerminType.NORMAL);
  
          byte[] bytes = JsonUtils.marshalToByte(data);
          zookeeper.create(StagePathUtils.getTermin(pipelineId, processId), bytes, CreateMode.PERSISTENT);
  
      }
  
      private void destoryTermin(Long processId) {
          zookeeper.delete(StagePathUtils.getTermin(pipelineId, processId));
      }
  }
  