Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.FileSystemTestHelper$MockFileSystem


  private static final Configuration CONF = new Configuration();
  private static FileSystem fHdfs;
 
  @Override
  protected FileSystemTestHelper createFileSystemHelper() {
    return new FileSystemTestHelper("/tmp/TestViewFileSystemAtHdfsRoot");
  }
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        numCachedReplicas);
  }

  @Test(timeout=120000)
  public void testWaitForCachedReplicas() throws Exception {
    FileSystemTestHelper helper = new FileSystemTestHelper();
    GenericTestUtils.waitFor(new Supplier<Boolean>() {
      @Override
      public Boolean get() {
        return ((namenode.getNamesystem().getCacheCapacity() ==
            (NUM_DATANODES * CACHE_CAPACITY)) &&
              (namenode.getNamesystem().getCacheUsed() == 0));
      }
    }, 500, 60000);

    // Send a cache report referring to a bogus block.  It is important that
    // the NameNode be robust against this.
    NamenodeProtocols nnRpc = namenode.getRpcServer();
    DataNode dn0 = cluster.getDataNodes().get(0);
    String bpid = cluster.getNamesystem().getBlockPoolId();
    LinkedList<Long> bogusBlockIds = new LinkedList<Long> ();
    bogusBlockIds.add(999999L);
    nnRpc.cacheReport(dn0.getDNRegistrationForBP(bpid), bpid, bogusBlockIds);

    Path rootDir = helper.getDefaultWorkingDirectory(dfs);
    // Create the pool
    final String pool = "friendlyPool";
    nnRpc.addCachePool(new CachePoolInfo("friendlyPool"));
    // Create some test files
    final int numFiles = 2;
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  private FileSystem fsTarget2;
  Path targetTestRoot2;
 
  @Override
  protected FileSystemTestHelper createFileSystemHelper() {
    return new FileSystemTestHelper();
  }
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  @Before
  public void setUp() throws Exception {
    // create the test root on local_fs
    fsTarget = fHdfs;
    fsTarget2 = fHdfs2;
    targetTestRoot2 = new FileSystemTestHelper().getAbsoluteTestRootPath(fsTarget2);
    super.setUp();
  }
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  private static final Configuration CONF = new Configuration();
  private static FileSystem fHdfs;
 
  @Override
  protected FileSystemTestHelper createFileSystemHelper() {
    return new FileSystemTestHelper();
  }
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