@Test
  public void test() throws IOException {
    String rootPath = "data/";

    FileParser parser = new FileParser();
    String absOutputPath = parser.setOutputPath(rootPath);
    System.out.println("Output path: " + absOutputPath);
    // Assert.assertEquals("", absOutputPath);

    int count = parser.parse(new File(rootPath + "wsj_0600.tok"));
    Assert.assertEquals(2, count);
    count = parser.parse(new File(rootPath + "file2.tok"));
    Assert.assertEquals(24, count);
    Assert.assertEquals(2, parser.docCount);
  }