PrintStream originalErr = System.err;
        System.setErr(new PrintStream(errContent));

        try {
            String[] args = { "--invalidOption", "value" };
            Crawler.main(args);

            String error = errContent.toString();
            assertTrue(error.contains("invalidOption"));
        } finally {
            System.setErr(originalErr);
        }
    }

    // Test doCrawl method

        assertEquals(123, item.getId());
        assertEquals("and", item.getInput());
        assertNull(item.getNewInput());
    }

    public void test_getNewInput_setNewInput() {
        // Test getter and setter for newInput
        StopwordsItem item = new StopwordsItem(1, "or");
        assertNull(item.getNewInput());

        item.setNewInput("nor");
        assertEquals("nor", item.getNewInput());

                if (defaultField.equals(splitField.cud())) {
                    final PhraseQuery.Builder builder = new PhraseQuery.Builder();
                    builder.add(termQuery.getTerm());
                    return builder.build();
                }
            }
            return query;
        }

        /**
         * Splits a field name into its components.
         *

    }

    // Test numOfThreads setter
    public void test_numOfThreads() {
        assertEquals(1, thumbnailJob.numOfThreads);

        GenerateThumbnailJob result = thumbnailJob.numOfThreads(4);

        assertSame(thumbnailJob, result);
        assertEquals(4, thumbnailJob.numOfThreads);
    }

    // Test cleanup setter
    public void test_cleanup() {

        assertEquals(Integer.MIN_VALUE, searchRenderData.getCurrentPageNumber());
    }

    public void test_nullSafety() {
        // Ensure all getters return appropriate values when setters haven't been called
        SearchRenderData freshData = new SearchRenderData();

        // These should return null
        assertNull(freshData.getDocumentItems());
        assertNull(freshData.getFacetResponse());

        assertNotNull(view);
        assertNotNull(view.getQueryMap());
        assertTrue(view.getQueryMap().isEmpty());
        assertNull(view.getTitle());
    }

    // Test title getter and setter
    public void test_getTitle() {
        assertNull(facetQueryView.getTitle());

        String testTitle = "Test Title";
        facetQueryView.setTitle(testTitle);

    private CommandGenerator generator;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        generator = new CommandGenerator();
    }

    // Basic setter tests
    public void test_setCommandTimeout() throws Exception {
        final long timeout = 5000L;
        generator.setCommandTimeout(timeout);
        assertTrue(true);
    }

    }

    @Override
    public void tearDown() throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown();
    }

    // Test filename setter
    public void test_filename() {
        assertNull(pythonJob.filename);

        PythonJob result = pythonJob.filename("test.py");

        assertSame(pythonJob, result);

    exception the callback is now notified that the call was canceled. The exception is still sent
    to the uncaught exception handler for reporting and recovery.

 *  Fix: Un-deprecate `MockResponse.setHeaders()` and other setters. These were deprecated in OkHttp
    4.0 but that broke method chaining for Java callers.

 *  Fix: Don't crash on HTTP/2 HEAD requests when the `Content-Length` header is present but is not

        final AccessResult<String> accessResult = new TestAccessResult();

        final Map<String, Object> result = indexUpdater.ingest(accessResult, doc);

        assertSame(doc, result);
    }

    // Test setters and getters
    public void test_gettersAndSetters() {
        // Test sessionIdList
        final List<String> sessionIdList = Arrays.asList("session1", "session2");
        indexUpdater.setSessionIdList(sessionIdList);