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.event;
  
  import java.util.Arrays;
  
  import mockit.Mock;
  import mockit.Mockit;
  
  import org.testng.annotations.AfterClass;
  import org.testng.annotations.BeforeClass;
  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.NodeArbitrateEvent;
  import com.alibaba.otter.shared.arbitrate.impl.manage.PipelineArbitrateEvent;
  import com.alibaba.otter.shared.arbitrate.impl.setl.ArbitrateFactory;
  import com.alibaba.otter.shared.arbitrate.impl.setl.MainStemArbitrateEvent;
  import com.alibaba.otter.shared.arbitrate.impl.setl.monitor.PermitMonitor;
  import com.alibaba.otter.shared.arbitrate.model.MainStemEventData;
  import com.alibaba.otter.shared.common.model.config.channel.Channel;
  import com.alibaba.otter.shared.common.model.config.node.Node;
  import com.alibaba.otter.shared.common.model.config.pipeline.Pipeline;
  
  /**
   * 测试下mainstem信号
   * 
   * @author jianghang 2011-9-22 下午04:58:45
   * @version 4.0.0
   */
  public class MainStemArbitrateEventTest extends BaseEventTest {
  
      private MainStemArbitrateEvent mainStemEvent;
      private ChannelArbitrateEvent  channelEvent;
      private PipelineArbitrateEvent pipelineEvent;
      private final Node             local      = new Node();
      private final Long             nid        = 1L;
      private Long                   channelId  = 100L;
      private Long                   pipelineId = 100L;
      private NodeArbitrateEvent     nodeEvent;
  
      @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) {
                  return null;// 没有反向同步
              }
  
              @Mock
              public int getParallelism(Long pipelineId) {
                  return 3;// 并行度
              }
  
              @Mock
              public Pipeline getPipeline(Long pipelineId) {
                  Pipeline pipeline = new Pipeline();
                  pipeline.setId(pipelineId);
                  pipeline.setSelectNodes(Arrays.asList(local));
                  pipeline.setExtractNodes(Arrays.asList(local));
                  pipeline.setLoadNodes(Arrays.asList(local));
                  return pipeline;
              }
  
              @Mock
              public Long getCurrentNid() {
                  return nid;
              }
  
          });
  
          getZookeeper();
          local.setId(nid);
          nodeEvent = new NodeArbitrateEvent();
          channelEvent = new ChannelArbitrateEvent();
          pipelineEvent = new PipelineArbitrateEvent();
  
          nodeEvent.init(nid);
          channelEvent.init(channelId);
          pipelineEvent.init(channelId, pipelineId);
          channelEvent.start(channelId);
      }
  
      @Test
      public void test_mainStem() {
          channelEvent.start(channelId);// 启动
          mainStemEvent = new MainStemArbitrateEvent();
          try {
              mainStemEvent.await(pipelineId);
  
              MainStemEventData eventData = new MainStemEventData();
              eventData.setPipelineId(pipelineId);
              eventData.setStatus(MainStemEventData.Status.OVERTAKE);
              mainStemEvent.single(eventData);
  
              PermitMonitor permit = ArbitrateFactory.getInstance(pipelineId, PermitMonitor.class);
              permit.waitForPermit();// 阻塞等待授权
          } catch (InterruptedException e) {
              want.fail();
          }
  
          boolean check = mainStemEvent.check(pipelineId);
          want.bool(check).is(true);
  
          // 删除mainStem节点
          mainStemEvent.release(pipelineId);
      }
  
      @AfterClass
      public void destory() {
          nodeEvent.destory(nid);
          pipelineEvent.destory(channelId, pipelineId);
          channelEvent.destory(channelId);
      }
  }
  