content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.master.backcompat.ops;
  
  import static org.junit.Assert.assertFalse;
  
  import alluxio.AlluxioURI;
  import alluxio.client.file.FileSystemMasterClient;
  import alluxio.grpc.UfsPMode;
  import alluxio.grpc.UpdateUfsModePOptions;
  import alluxio.master.backcompat.TestOp;
  import alluxio.multi.process.Clients;
  
  /**
   * Test for updating UFS modes.
   */
  public final class UpdateUfsMode implements TestOp {
  
    @Override
    public void apply(Clients clients) throws Exception {
      FileSystemMasterClient masterClient = clients.getFileSystemMasterClient();
      masterClient.updateUfsMode(new AlluxioURI("/"),
          UpdateUfsModePOptions.newBuilder().setUfsMode(UfsPMode.READ_ONLY).build());
      masterClient.updateUfsMode(new AlluxioURI("/"),
          UpdateUfsModePOptions.newBuilder().setUfsMode(UfsPMode.NO_ACCESS).build());
      masterClient.updateUfsMode(new AlluxioURI("/"),
          UpdateUfsModePOptions.newBuilder().setUfsMode(UfsPMode.READ_WRITE).build());
    }
  
    @Override
    public void check(Clients clients) throws Exception {
      FileSystemMasterClient masterClient = clients.getFileSystemMasterClient();
      assertFalse(masterClient.getMountTable().get("/").getReadOnly());
    }
  }
  