@Test
public void testHadoopFsFilename() {

  try {
    String tmpFileName1 = "/tmp/testHadoopFsListAsArray1";
    String tmpFileName2 = "/tmp/testHadoopFsListAsArray2";
    File tmpFile1 = new File(tmpFileName1);
    File tmpFile2 = new File(tmpFileName2);
    tmpFile1.createNewFile();
    tmpFile2.createNewFile();
    Assert.assertEquals(null, TempletonUtils.hadoopFsFilename(null, null, null));
    Assert.assertEquals(null,
      TempletonUtils.hadoopFsFilename(tmpFile.toURI().toString(), null, null));
    Assert.assertEquals(tmpFile.toURI().toString(),
      TempletonUtils.hadoopFsFilename(tmpFile.toURI().toString(),
        new Configuration(),
        null));
  } catch (FileNotFoundException e) {
    Assert.fail("Couldn't find name for /tmp");
    Assert.fail("Couldn't find name for " + tmpFile.toURI().toString());
  } catch (Exception e) {
    // Something else is wrong
    e.printStackTrace();
  }
  try {
    TempletonUtils.hadoopFsFilename("/scoobydoo/teddybear",
                    new Configuration(), null);
    Assert.fail("Should not have found /scoobydoo/teddybear");
  } catch (FileNotFoundException e) {
    // Should go here.
  } catch (Exception e) {
    // Something else is wrong.
    e.printStackTrace();
  }
}