Exemplo n.º 1
0
  /** Tests getPos() functionality. */
  @Test
  public void testGetPos() throws IOException {
    final Path testFile = new Path("/testfile+1");
    // Write a test file.
    FSDataOutputStream out = hdfs.create(testFile, true);
    out.writeBytes("0123456789");
    out.close();

    FSDataInputStream in = hftpFs.open(testFile);

    // Test read().
    for (int i = 0; i < 5; ++i) {
      assertEquals(i, in.getPos());
      in.read();
    }

    // Test read(b, off, len).
    assertEquals(5, in.getPos());
    byte[] buffer = new byte[10];
    assertEquals(2, in.read(buffer, 0, 2));
    assertEquals(7, in.getPos());

    // Test read(b).
    int bytesRead = in.read(buffer);
    assertEquals(7 + bytesRead, in.getPos());

    // Test EOF.
    for (int i = 0; i < 100; ++i) {
      in.read();
    }
    assertEquals(10, in.getPos());
    in.close();
  }
Exemplo n.º 2
0
 /** Tests seek(). */
 @Test
 public void testSeek() throws IOException {
   final Path testFile = new Path("/testfile+1");
   FSDataOutputStream out = hdfs.create(testFile, true);
   out.writeBytes("0123456789");
   out.close();
   FSDataInputStream in = hftpFs.open(testFile);
   in.seek(7);
   assertEquals('7', in.read());
 }
Exemplo n.º 3
0
  /** Test file creation and access with file names that need encoding. */
  @Test
  public void testFileNameEncoding() throws IOException, URISyntaxException {
    for (Path p : TEST_PATHS) {
      // Create and access the path (data and streamFile servlets)
      FSDataOutputStream out = hdfs.create(p, true);
      out.writeBytes("0123456789");
      out.close();
      FSDataInputStream in = hftpFs.open(p);
      assertEquals('0', in.read());

      // Check the file status matches the path. Hftp returns a FileStatus
      // with the entire URI, extract the path part.
      assertEquals(p, new Path(hftpFs.getFileStatus(p).getPath().toUri().getPath()));

      // Test list status (listPath servlet)
      assertEquals(1, hftpFs.listStatus(p).length);

      // Test content summary (contentSummary servlet)
      assertNotNull("No content summary", hftpFs.getContentSummary(p));

      // Test checksums (fileChecksum and getFileChecksum servlets)
      assertNotNull("No file checksum", hftpFs.getFileChecksum(p));
    }
  }