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;
  
  import java.util.Arrays;
  import java.util.Map;
  
  import mockit.Mock;
  import mockit.Mockit;
  
  import org.apache.commons.lang.StringUtils;
  import org.apache.zookeeper.CreateMode;
  import org.testng.annotations.AfterClass;
  import org.testng.annotations.AfterMethod;
  import org.testng.annotations.BeforeClass;
  import org.testng.annotations.BeforeMethod;
  
  import com.alibaba.otter.shared.arbitrate.BaseEventTest;
  import com.alibaba.otter.shared.arbitrate.impl.ArbitrateConstants;
  import com.alibaba.otter.shared.arbitrate.impl.communication.ArbitrateCommmunicationClient;
  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.helper.StagePathUtils;
  import com.alibaba.otter.shared.arbitrate.model.EtlEventData;
  import com.alibaba.otter.shared.arbitrate.model.MainStemEventData;
  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.node.Node;
  import com.alibaba.otter.shared.common.model.config.node.NodeStatus;
  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.TestUtils;
  import com.alibaba.otter.shared.common.utils.zookeeper.ZkClientx;
  import com.alibaba.otter.shared.communication.core.model.Callback;
  import com.alibaba.otter.shared.communication.core.model.Event;
  
  /**
   * 测试基类
   * 
   * @author jianghang 2011-9-21 下午08:21:21
   * @version 4.0.0
   */
  public class BaseStageTest extends BaseEventTest {
  
      protected ZkClientx              zookeeper  = null;
      // 环境数据准备对象
      protected NodeArbitrateEvent     nodeEvent;
      protected ChannelArbitrateEvent  channelEvent;
      protected PipelineArbitrateEvent pipelineEvent;
      protected final Node             local      = new Node();
      protected final Long             nid        = 1L;
      protected Long                   channelId  = 100L;
      protected Long                   pipelineId = 100L;
      protected String                 pipelinePath;
      protected String                 processPath;
  
      @BeforeClass
      public void init() {
          // 初始化节点
          // mock 配置信息数据
          local.setStatus(NodeStatus.START);
          Mockit.setUpMock(ArbitrateConfigUtils.class, new Object() {
  
              @Mock
              public Channel getChannelByChannelId(Long channelId) {
                  Channel channel = new Channel();
                  channel.setId(channelId);
                  Pipeline pipeline = new Pipeline();
                  pipeline.setId(pipelineId);
                  pipeline.setSelectNodes(Arrays.asList(local));
                  pipeline.setExtractNodes(Arrays.asList(local));
                  pipeline.setLoadNodes(Arrays.asList(local));
                  channel.setPipelines(Arrays.asList(pipeline));
                  return channel;
              }
  
              @Mock
              public Channel getChannel(Long pipelineId) {
                  Channel channel = new Channel();
                  channel.setId(channelId);
                  Pipeline pipeline = new Pipeline();
                  pipeline.setId(pipelineId);
                  pipeline.setSelectNodes(Arrays.asList(local));
                  pipeline.setExtractNodes(Arrays.asList(local));
                  pipeline.setLoadNodes(Arrays.asList(local));
                  channel.setPipelines(Arrays.asList(pipeline));
                  return channel;
              }
  
              @Mock
              public Pipeline getPipeline(Long pipelineId) {
                  Pipeline pipeline = new Pipeline();
                  pipeline.setSelectNodes(Arrays.asList(local));
                  pipeline.setExtractNodes(Arrays.asList(local));
                  pipeline.setLoadNodes(Arrays.asList(local));
                  return pipeline;
              }
  
              @Mock
              public Pipeline getOppositePipeline(Long pipelineId) {
                  return null;// 没有反向同步
              }
  
              @Mock
              public Long getCurrentNid() {
                  return nid;
              }
  
              @Mock
              public int getParallelism(Long pipelineId) {
                  return 3;// 并行度
              }
  
          });
  
          Mockit.setUpMock(ArbitrateCommmunicationClient.class, new Object() {
  
              @Mock
              public Object callManager(final Event event) {
                  // do nothing
                  return null;
              }
  
              @Mock
              public void callManager(final Event event, final Callback callback) {
                  // do nothing
              }
          });
  
          zookeeper = getZookeeper();
          local.setId(nid);
          nodeEvent = new NodeArbitrateEvent();
          channelEvent = new ChannelArbitrateEvent();
          pipelineEvent = new PipelineArbitrateEvent();
  
          pipelinePath = StagePathUtils.getPipeline(channelId, pipelineId);
          processPath = StagePathUtils.getProcessRoot(channelId, pipelineId);
          channelEvent.init(channelId);
          pipelineEvent.init(channelId, pipelineId);
          channelEvent.start(channelId);
  
          String path = pipelinePath + "/" + ArbitrateConstants.NODE_MAINSTEM;
          MainStemEventData eventData = new MainStemEventData();
          eventData.setStatus(MainStemEventData.Status.OVERTAKE);
          eventData.setNid(nid);
          byte[] bytes = JsonUtils.marshalToByte(eventData);// 初始化的数据对象
  
          zookeeper.create(path, bytes, CreateMode.EPHEMERAL);
      }
  
      @AfterClass
      public void destory() {
          ArbitrateFactory.destory(pipelineId);
          // 删除mainStem节点
          String path = pipelinePath + "/" + ArbitrateConstants.NODE_MAINSTEM;
  
          zookeeper.delete(path);
  
          pipelineEvent.destory(channelId, pipelineId);
          channelEvent.destory(channelId);
      }
  
      @BeforeMethod
      public void setUp() {
          try {
              Map cache = (Map) TestUtils.getField(new ArbitrateFactory(), "cache");
              cache.clear();
          } catch (Exception e) {
              want.fail();
          }
      }
  
      @AfterMethod
      public void dispose() {
          ArbitrateFactory.destory(pipelineId);
      }
  
      protected EtlEventData getData(Long nid) {
          EtlEventData data = new EtlEventData();
          data.setNextNid(nid);
          return data;
      }
  
      // ================================ helper method ================================
  
      // 模拟创建一个process
      protected Long initProcess() {
          String path = zookeeper.create(processPath + "/", new byte[0], CreateMode.PERSISTENT_SEQUENTIAL);
  
          // 创建为顺序的节点
          String processNode = StringUtils.substringAfterLast(path, "/");
          return StagePathUtils.getProcessId(processNode);// 添加到当前的process列表
      }
  
      // 模拟销毁一个process
      protected void destoryProcess(Long processId) {
          String path = processPath + "/" + StagePathUtils.getProcessNode(processId);
          zookeeper.delete(path);
      }
  
      // 模拟创建一个stage节点
      protected void initStage(Long processId, String stageNode) {
          String path = processPath + "/" + StagePathUtils.getProcessNode(processId) + "/" + stageNode;
          zookeeper.create(path, new byte[0], CreateMode.PERSISTENT);
      }
  
      // 模拟销毁一个stage节点
      protected void destoryStage(Long processId, String stageNode) {
          String path = processPath + "/" + StagePathUtils.getProcessNode(processId) + "/" + stageNode;
  
          zookeeper.delete(path);
      }
  
      // 模拟创建一个带数据的stage节点
      protected void initStage(Long processId, String stageNode, EtlEventData event) {
          String path = processPath + "/" + StagePathUtils.getProcessNode(processId) + "/" + stageNode;
  
          byte[] datas = JsonUtils.marshalToByte(event);
          zookeeper.create(path, datas, CreateMode.PERSISTENT);
      }
  
      // 模拟创建一个终结节点
      protected 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);
  
      }
  
      // 模拟删除一个终结节点
      protected void destoryTermin(Long processId) {
          zookeeper.delete(StagePathUtils.getTermin(pipelineId, processId));
  
      }
  
  }
  