public TrashProcedure() {}
@Test
  public void testTrashProcedure() throws Exception {
    Path src = new Path("/" + getMethodName() + "-src");
    Path dst = new Path("/" + getMethodName() + "-dst");
    FileSystem fs = cluster.getFileSystem();
    fs.mkdirs(src);
    fs.mkdirs(new Path(src, "dir"));
    assertTrue(fs.exists(src));

    FedBalanceContext context =
        new FedBalanceContext.Builder(src, dst, TestDistCpProcedure.MOUNT, conf)
            .setMapNum(10).setBandwidthLimit(1).setTrash(TrashOption.TRASH)
            .build();
    TrashProcedure trashProcedure =
        new TrashProcedure("trash-procedure", null, 1000, context);
    trashProcedure.moveToTrash();
    assertFalse(fs.exists(src));
  }