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.server.ft.journal;
  
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.fail;
  
  import alluxio.AlluxioURI;
  import alluxio.client.file.FileSystem;
  import alluxio.client.file.FileSystemTestUtils;
  import alluxio.client.file.URIStatus;
  import alluxio.exception.BlockInfoException;
  import alluxio.grpc.WritePType;
  import alluxio.master.AlluxioMasterProcess;
  import alluxio.master.LocalAlluxioCluster;
  import alluxio.master.block.BlockMaster;
  import alluxio.testutils.LocalAlluxioClusterResource;
  import alluxio.util.CommonUtils;
  import alluxio.wire.WorkerNetAddress;
  
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  
  /**
   * Integration tests for block master functionality.
   */
  public class BlockMasterJournalIntegrationTest {
    @Rule
    public LocalAlluxioClusterResource mClusterResource =
        new LocalAlluxioClusterResource.Builder()
            .build();
    private LocalAlluxioCluster mCluster;
  
    @Before
    public void before() {
      mCluster = mClusterResource.get();
    }
  
    @Test
    public void journalBlockCreation() throws Exception {
      FileSystem fs = mCluster.getClient();
      BlockMaster blockMaster =
          mCluster.getLocalAlluxioMaster().getMasterProcess().getMaster(BlockMaster.class);
      AlluxioURI file = new AlluxioURI("/test");
      FileSystemTestUtils.createByteFile(fs, file, WritePType.MUST_CACHE, 10);
      URIStatus status = fs.getStatus(file);
      Long blockId = status.getBlockIds().get(0);
      assertNotNull(blockMaster.getBlockInfo(blockId));
      mCluster.stopMasters();
      mCluster.startMasters();
      AlluxioMasterProcess masterProcess = mCluster.getLocalAlluxioMaster().getMasterProcess();
      CommonUtils.waitFor("Master up", () -> !masterProcess.isInSafeMode());
      assertNotNull(masterProcess.getMaster(BlockMaster.class).getBlockInfo(blockId));
    }
  
    @Test
    public void journalBlockDeletion() throws Exception {
      FileSystem fs = mCluster.getClient();
      BlockMaster blockMaster =
          mCluster.getLocalAlluxioMaster().getMasterProcess().getMaster(BlockMaster.class);
      AlluxioURI file = new AlluxioURI("/test");
      FileSystemTestUtils.createByteFile(fs, file, WritePType.MUST_CACHE, 10);
      URIStatus status = fs.getStatus(file);
      Long blockId = status.getBlockIds().get(0);
      assertNotNull(blockMaster.getBlockInfo(blockId));
      fs.delete(file);
      WorkerNetAddress workerAddress = mCluster.getWorkerAddress();
      try {
        blockMaster.getBlockInfo(blockId);
        fail("Expected the block to be deleted");
      } catch (BlockInfoException e) {
        // expected
      }
      mCluster.stopMasters();
      mCluster.startMasters();
      AlluxioMasterProcess masterProcess = mCluster.getLocalAlluxioMaster().getMasterProcess();
      CommonUtils.waitFor("Master up", () -> !masterProcess.isInSafeMode());
      try {
        masterProcess.getMaster(BlockMaster.class).getBlockInfo(blockId);
        fail("Expected the block to be deleted after restart");
      } catch (BlockInfoException e) {
        // expected
      }
    }
  }
  