assertNotNull(testConverter);
    }

    @Test
    public void testInit() throws IOException {
        // Test init method (should do nothing)
        converter.init();
        // No exception should be thrown
    }

    @Test
    public void testConvertWithNoLanguages() throws IOException {
        // Test convert with no languages specified
        String text = "test text";

    }

    /**
     * Test throwing and catching the exception
     */
    public void test_throwAndCatch() {
        try {
            throw new CrawlerSystemException("Test throw");
        } catch (CrawlerSystemException e) {
            assertEquals("Test throw", e.getMessage());
            assertNull(e.getCause());
        }

        try {

    public void testDeleteScrollContext() {
        // Test with null scrollId (should not throw exception)
        SuggestUtil.deleteScrollContext(client, null);

        // Test with non-null scrollId
        String scrollId = "test_scroll_id";
        SuggestUtil.deleteScrollContext(client, scrollId);
        // No exception should be thrown
    }

    @Test
    public void testEscapeWildcardQuery() {

     *
     * @param client the FTPClient instance to validate
     * @throws CrawlingAccessException if the FTP request failed
     */
    private void validateRequest(final FTPClient client) {
        final int replyCode = client.getReplyCode();
        if (replyCode >= 200 && replyCode < 300) {
            return;
        }

         * @throws IllegalArgumentException If the arguments are invalid
         * @throws InsufficientDataException If insufficient data is available
         * @throws InternalException If an internal error occurs
         * @throws InvalidResponseException If the response is invalid
         * @throws NoSuchAlgorithmException If the algorithm is not available
         * @throws XmlParserException If XML parsing fails

        @Override
        public void init() throws IOException {
            if (throwExceptionOnInit) {
                throw new IOException("Init failed");
            }
        }

        @Override
        public List<String> convert(String text, String field, String... langs) throws IOException {
            if (throwExceptionOnConvert) {
                throw new IOException("Convert failed");
            }

    /**
     * Creates a file with the specified path, handling directory creation and duplicate names.
     *
     * @param path the file path to create
     * @return the created file
     * @throws CrawlerSystemException if directory creation fails
     */
    protected File createFile(final String path) {
        final String[] paths = path.split("/");
        File targetFile = baseDir;

     * @throws CrawlingAccessException if an error occurs while checking bucket existence
     */
    protected boolean bucketExists(final String name) {
        try {
            final BucketExistsArgs args = BucketExistsArgs.builder().bucket(name).build();
            return minioClient.bucketExists(args);
        } catch (final Exception e) {

        return this;
    }

    /**
     * Extracts data from the input stream using the configured parameters.
     *
     * @return the extracted data
     * @throws MaxLengthExceededException if content length exceeds maximum allowed
     * @throws ExtractException if extraction fails
     */
    public ExtractData extract() {
        final ExtractorFactory extractorFactory = crawlerContainer.getComponent("extractorFactory");

     *
     * @param uri the URI to get response data for
     * @param includeContent whether to include content in the response
     * @return the response data
     * @throws CrawlingAccessException if unable to access the URI
     * @throws ChildUrlsException if the URI represents a directory with child URLs
     */
    protected ResponseData getResponseData(final String uri, final boolean includeContent) {