コード例 #1
0
  @Test
  public void testDeleteOnExit() throws Exception {
    // Create deleteOnExit entries
    Path file1 = helper.getTestRootPath(fc, "file1");
    createFile(fc, file1, numBlocks, blockSize);
    fc.deleteOnExit(file1);
    checkDeleteOnExitData(1, fc, file1);

    // Ensure shutdown hook is added
    Assert.assertTrue(ShutdownHookManager.get().hasShutdownHook(FileContext.FINALIZER));

    Path file2 = helper.getTestRootPath(fc, "dir1/file2");
    createFile(fc, file2, numBlocks, blockSize);
    fc.deleteOnExit(file2);
    checkDeleteOnExitData(1, fc, file1, file2);

    Path dir = helper.getTestRootPath(fc, "dir3/dir4/dir5/dir6");
    createFile(fc, dir, numBlocks, blockSize);
    fc.deleteOnExit(dir);
    checkDeleteOnExitData(1, fc, file1, file2, dir);

    // trigger deleteOnExit and ensure the registered
    // paths are cleaned up
    FileContext.FINALIZER.run();
    checkDeleteOnExitData(0, fc, new Path[0]);
    Assert.assertFalse(exists(fc, file1));
    Assert.assertFalse(exists(fc, file2));
    Assert.assertFalse(exists(fc, dir));
  }
コード例 #2
0
  @Test(timeout = 60000)
  public void testSymlinkHdfsDisable() throws Exception {
    Configuration conf = new HdfsConfiguration();
    // disable symlink resolution
    conf.setBoolean(CommonConfigurationKeys.FS_CLIENT_RESOLVE_REMOTE_SYMLINKS_KEY, false);
    // spin up minicluster, get dfs and filecontext
    MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf).build();
    DistributedFileSystem dfs = cluster.getFileSystem();
    FileContext fc = FileContext.getFileContext(cluster.getURI(0), conf);
    // Create test files/links
    FileContextTestHelper helper = new FileContextTestHelper("/tmp/TestSymlinkHdfsDisable");
    Path root = helper.getTestRootPath(fc);
    Path target = new Path(root, "target");
    Path link = new Path(root, "link");
    DFSTestUtil.createFile(dfs, target, 4096, (short) 1, 0xDEADDEAD);
    fc.createSymlink(target, link, false);

    // Try to resolve links with FileSystem and FileContext
    try {
      fc.open(link);
      fail("Expected error when attempting to resolve link");
    } catch (IOException e) {
      GenericTestUtils.assertExceptionContains("resolution is disabled", e);
    }
    try {
      dfs.open(link);
      fail("Expected error when attempting to resolve link");
    } catch (IOException e) {
      GenericTestUtils.assertExceptionContains("resolution is disabled", e);
    }
  }
コード例 #3
0
 @After
 public void tearDown() throws IOException {
   fc.delete(helper.getTestRootPath(fc), true);
 }