// Test convert with empty language array
        String text = "test text";
        String field = "content";
        String[] langs = new String[0];

        List<String> results = converter.convert(text, field, langs);

        assertNotNull(results);
        // Results may vary based on analyzer configuration
    }

    @Test
    public void testConvertWithSingleLanguage() throws IOException {

    private final String[] stopwords;

    private final boolean ignoreCase;

    public StopTokenPrefixFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {
        super(indexSettings, name, settings);

        final List<String> wordList = Analysis.parseWordList(environment, settings, "stopwords", s -> s);

    @Override
    protected String prepareConfigFile() {
        return "app.xml";
    }

    @Override
    protected boolean isUseOneTimeContainer() {
        return true;
    }

    @Override
    public void setUp() throws Exception {
        // create runner instance
        runner = new OpenSearchRunner();
        // create ES nodes
        final String clusterName = UUID.randomUUID().toString();

        dataHelper.addExcludeUrlPattern(sessionId, url);
    }

    /*
     * (non-Javadoc)
     *
     * @see
     * org.codelibs.fess.crawler.service.impl.UrlFilterService#addExcludeUrlFilter(java
     * .lang.String, java.util.List)
     */
    @Override
    public void addExcludeUrlFilter(final String sessionId, final List<String> urlList) {
        for (final String url : urlList) {

        this.port = port;
        this.docRoot = docRoot;

        server = new Server(port);

        final ResourceHandler resource_handler = new ResourceHandler();
        resource_handler.setWelcomeFiles(new String[] { "index.html" });
        resource_handler.setResourceBase(docRoot.getAbsolutePath());
        Log.info("serving " + resource_handler.getBaseResource());
        final HandlerList handlers = new HandlerList();

        }
    }

    private Map<String, String> createParams(String url, String resoureName) {
        Map<String, String> params = new HashMap<>();
        params.put(ExtractData.URL, url);
        params.put(ExtractData.RESOURCE_NAME_KEY, resoureName);
        return params;
    }

    public void test_getPdfPassword_null() {
        String url;
        String resourceName;

        url = null;

        String query4 = "test query";
        String escaped4 = SuggestUtil.escapeWildcardQuery(query4);
        assertEquals("test query", escaped4);

        // Test with multiple wildcards
        String query5 = "***???";
        String escaped5 = SuggestUtil.escapeWildcardQuery(query5);
        assertEquals("\\*\\*\\*\\?\\?\\?", escaped5);

        // Test empty string
        String query6 = "";

     */
    public static final String SESSION_ID = "sessionId";

    /**
     * Field name for filter type.
     */
    public static final String FILTER_TYPE = "filterType";

    /**
     * Field name for URL.
     */
    public static final String URL = "url";

    /**
     * The unique identifier for this URL filter.
     */
    private String id;

    /**

     */
    public static class ConditionalAbstractRule extends AbstractRule {
        private static final long serialVersionUID = 1L;

        private String urlPattern;
        private String mimeTypePattern;

        @Override
        public boolean match(ResponseData responseData) {
            if (responseData == null) {
                return false;
            }

    public void test_doGet_root_dir() throws FtpException {
        FtpServer server = null;
        try {
            String username = "testuser";
            String password = "testpass";
            server = startFtpServer(FTP_PORT, username, password);
            Map<String, Object> params = new HashMap<String, Object>();
            FtpAuthentication auth = new FtpAuthentication();
            auth.setUsername(username);