@Test
public void testFromYarn() throws Exception {

  int appStartTime = 612354;
  int appFinishTime = 612355;
  YarnApplicationState state = YarnApplicationState.RUNNING;
  ApplicationId applicationId = ApplicationId.newInstance(0, 0);
  ApplicationReport applicationReport = Records
      .newRecord(ApplicationReport.class);
  applicationReport.setApplicationId(applicationId);
  applicationReport.setYarnApplicationState(state);
  applicationReport.setStartTime(appStartTime);
  applicationReport.setFinishTime(appFinishTime);
  applicationReport.setUser("TestTypeConverter-user");
  applicationReport.setPriority(Priority.newInstance(3));
  ApplicationResourceUsageReport appUsageRpt = Records
      .newRecord(ApplicationResourceUsageReport.class);
  Resource r = Records.newRecord(Resource.class);
  r.setMemorySize(2048);
  appUsageRpt.setNeededResources(r);
  appUsageRpt.setNumReservedContainers(1);
  appUsageRpt.setNumUsedContainers(3);
  appUsageRpt.setReservedResources(r);
  appUsageRpt.setUsedResources(r);
  applicationReport.setApplicationResourceUsageReport(appUsageRpt);
  JobStatus jobStatus = TypeConverter.fromYarn(applicationReport, "dummy-jobfile");
  Assert.assertEquals(appStartTime, jobStatus.getStartTime());
  Assert.assertEquals(appFinishTime, jobStatus.getFinishTime());    
  Assert.assertEquals(state.toString(), jobStatus.getState().toString());
  Assert.assertEquals(JobPriority.NORMAL, jobStatus.getPriority());
}