@Override
  public String getFileName() {
    return ( Strings.isNullOrEmpty( this.fileName ) ? this.getTransformationPath() : this.fileName );
  }
@Test
  public void testGetFileName() {
    meta = new StuffStreamMeta();
    String testPathName = "transformationPathName";
    String testFileName = "testFileName";

    // verify that when the fileName is not set, we get the transformation path
    meta.setTransformationPath( testPathName );
    assertThat( meta.getFileName(), equalTo( testPathName ) );

    // verify that when the fileName is set, we get it
    meta.setFileName( testFileName );
    assertThat( meta.getFileName(), equalTo( testFileName ) );
  }