branch-2.0.4-alpha/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestResourceMgrDelegate.java

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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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package org.apache.hadoop.mapred;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import junit.framework.Assert;

import org.apache.hadoop.mapreduce.JobStatus;
import org.apache.hadoop.mapreduce.JobStatus.State;
import org.apache.hadoop.yarn.api.ClientRMProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetAllApplicationsResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetQueueInfoResponse;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.api.records.ApplicationResourceUsageReport;
import org.apache.hadoop.yarn.api.records.FinalApplicationStatus;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.util.Records;
import org.junit.Test;
import org.mockito.ArgumentCaptor;
import org.mockito.Mockito;

public class TestResourceMgrDelegate {

  /**
   * Tests that getRootQueues makes a request for the (recursive) child queues
   */
  @Test
  public void testGetRootQueues() throws IOException, InterruptedException {
    final ClientRMProtocol applicationsManager = Mockito.mock(ClientRMProtocol.class);
    GetQueueInfoResponse response = Mockito.mock(GetQueueInfoResponse.class);
    org.apache.hadoop.yarn.api.records.QueueInfo queueInfo =
      Mockito.mock(org.apache.hadoop.yarn.api.records.QueueInfo.class);
    Mockito.when(response.getQueueInfo()).thenReturn(queueInfo);
    Mockito.when(applicationsManager.getQueueInfo(Mockito.any(
      GetQueueInfoRequest.class))).thenReturn(response);

    ResourceMgrDelegate delegate = new ResourceMgrDelegate(
      new YarnConfiguration()) {
      @Override
      public synchronized void start() {
        this.rmClient = applicationsManager;
      }
    };
    delegate.getRootQueues();

    ArgumentCaptor<GetQueueInfoRequest> argument =
      ArgumentCaptor.forClass(GetQueueInfoRequest.class);
    Mockito.verify(applicationsManager).getQueueInfo(
      argument.capture());

    Assert.assertTrue("Children of root queue not requested",
      argument.getValue().getIncludeChildQueues());
    Assert.assertTrue("Request wasn't to recurse through children",
      argument.getValue().getRecursive());
  }

  @Test
  public void tesAllJobs() throws Exception {
    final ClientRMProtocol applicationsManager = Mockito.mock(ClientRMProtocol.class);
    GetAllApplicationsResponse allApplicationsResponse = Records
        .newRecord(GetAllApplicationsResponse.class);
    List<ApplicationReport> applications = new ArrayList<ApplicationReport>();
    applications.add(getApplicationReport(YarnApplicationState.FINISHED,
        FinalApplicationStatus.FAILED));
    applications.add(getApplicationReport(YarnApplicationState.FINISHED,
        FinalApplicationStatus.SUCCEEDED));
    applications.add(getApplicationReport(YarnApplicationState.FINISHED,
        FinalApplicationStatus.KILLED));
    applications.add(getApplicationReport(YarnApplicationState.FAILED,
        FinalApplicationStatus.FAILED));
    allApplicationsResponse.setApplicationList(applications);
    Mockito.when(
        applicationsManager.getAllApplications(Mockito
            .any(GetAllApplicationsRequest.class))).thenReturn(
        allApplicationsResponse);
    ResourceMgrDelegate resourceMgrDelegate = new ResourceMgrDelegate(
      new YarnConfiguration()) {
      @Override
      public synchronized void start() {
        this.rmClient = applicationsManager;
      }
    };
    JobStatus[] allJobs = resourceMgrDelegate.getAllJobs();

    Assert.assertEquals(State.FAILED, allJobs[0].getState());
    Assert.assertEquals(State.SUCCEEDED, allJobs[1].getState());
    Assert.assertEquals(State.KILLED, allJobs[2].getState());
    Assert.assertEquals(State.FAILED, allJobs[3].getState());
  }

  private ApplicationReport getApplicationReport(
      YarnApplicationState yarnApplicationState,
      FinalApplicationStatus finalApplicationStatus) {
    ApplicationReport appReport = Mockito.mock(ApplicationReport.class);
    ApplicationResourceUsageReport appResources = Mockito
        .mock(ApplicationResourceUsageReport.class);
    Mockito.when(appReport.getApplicationId()).thenReturn(
        Records.newRecord(ApplicationId.class));
    Mockito.when(appResources.getNeededResources()).thenReturn(
        Records.newRecord(Resource.class));
    Mockito.when(appResources.getReservedResources()).thenReturn(
        Records.newRecord(Resource.class));
    Mockito.when(appResources.getUsedResources()).thenReturn(
        Records.newRecord(Resource.class));
    Mockito.when(appReport.getApplicationResourceUsageReport()).thenReturn(
        appResources);
    Mockito.when(appReport.getYarnApplicationState()).thenReturn(
        yarnApplicationState);
    Mockito.when(appReport.getFinalApplicationStatus()).thenReturn(
        finalApplicationStatus);

    return appReport;
  }
}