public static DeletionTask convertProtoToDeletionTask(
      DeletionServiceDeleteTaskProto proto, DeletionService deletionService) {
    int taskId = proto.getId();
    if (proto.hasTaskType() && proto.getTaskType() != null) {
      if (proto.getTaskType().equals(DeletionTaskType.FILE.name())) {
        LOG.debug("Converting recovered FileDeletionTask");
        return convertProtoToFileDeletionTask(proto, deletionService, taskId);
      } else if (proto.getTaskType().equals(
          DeletionTaskType.DOCKER_CONTAINER.name())) {
        LOG.debug("Converting recovered DockerContainerDeletionTask");
        return convertProtoToDockerContainerDeletionTask(proto, deletionService,
            taskId);
      }
    }
    LOG.debug("Unable to get task type, trying FileDeletionTask");
    return convertProtoToFileDeletionTask(proto, deletionService, taskId);
  }
@Test
  public void testConvertProtoToDeletionTask() throws Exception {
    DeletionService deletionService = mock(DeletionService.class);
    DeletionServiceDeleteTaskProto.Builder protoBuilder =
        DeletionServiceDeleteTaskProto.newBuilder();
    int id = 0;
    protoBuilder.setId(id);
    DeletionServiceDeleteTaskProto proto = protoBuilder.build();
    DeletionTask deletionTask =
        NMProtoUtils.convertProtoToDeletionTask(proto, deletionService);
    assertEquals(DeletionTaskType.FILE, deletionTask.getDeletionTaskType());
    assertEquals(id, deletionTask.getTaskId());
  }