/**
   * This is Bob's original test, re-written only to allow it to execute as a normal junit test
   * within Eclipse.
   */
  @Test
  public void origTestOfRewritingMHLDtoSameBib() throws IOException {
    String mhldRecFileName = testDataParentPath + File.separator + "summaryHld_1-1000.mrc";
    String bibRecFileName = testDataParentPath + File.separator + "u335.mrc";

    InputStream inStr = null;
    ByteArrayOutputStream resultMrcOutStream = new ByteArrayOutputStream();
    String[] mergeMhldArgs = new String[] {"-s", mhldRecFileName, bibRecFileName};

    // call the code for mhldfile summaryHld_1-1000.mrc  and bibfile u335.mrc
    CommandLineUtils.runCommandLineUtil(
        MERGE_MHLD_CLASS_NAME, MAIN_METHOD_NAME, inStr, resultMrcOutStream, mergeMhldArgs);

    RecordTestingUtils.assertMarcRecsEqual(mergedSummaryHoldingsOutput, resultMrcOutStream);

    // Now merge record again to test the deleting of existing summary holdings info
    ByteArrayInputStream mergedMarcBibRecAsInStream =
        new ByteArrayInputStream(resultMrcOutStream.toByteArray());
    resultMrcOutStream.close();
    resultMrcOutStream = new ByteArrayOutputStream();
    //  do the merge by piping the bib record in to the merge class
    CommandLineUtils.runCommandLineUtil(
        MERGE_MHLD_CLASS_NAME,
        MAIN_METHOD_NAME,
        mergedMarcBibRecAsInStream,
        resultMrcOutStream,
        new String[] {"-s", mhldRecFileName});

    RecordTestingUtils.assertMarcRecsEqual(mergedSummaryHoldingsOutput, resultMrcOutStream);
    System.out.println("Test origTestOfRewritingMHLDtoSameBib() successful");
  }
  /** code should end smoothly if it encounters no matches between bib and mhld */
  @Test
  public void testNoOutputMessagesWhenNoMatches() throws IOException {
    // bib46, mhld235
    String bibFilePath = testDataParentPath + File.separator + "mhldMergeBibs46.mrc";
    String mhldFilePath = testDataParentPath + File.separator + "mhldMergeMhlds235.mrc";

    // ensure no error message was printed
    ByteArrayOutputStream sysBAOS = new ByteArrayOutputStream();

    mergeBibAndMhldFiles(bibFilePath, mhldFilePath, sysBAOS);

    // ensure no error message was printed
    assertTrue(
        "Output messages written when none were expected: " + sysBAOS.toString(),
        sysBAOS.size() == 0);
    System.out.println("Test testNoOutputMessagesWhenNoMatches() successful");
  }