Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("key", "value");

        Object result = scriptEngine.evaluate(template, paramMap);
        assertEquals("", result);
    }

    // Test evaluate method with null template
    @Test
    public void test_evaluate_withNullTemplate() {
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("key", "value");

    public void test_store_withValidData() {
        // Prepare test data
        DataStoreParams paramMap = new DataStoreParams();
        Map<String, Object> dataMap = new HashMap<>();
        dataMap.put("url", "http://example.com/test");
        dataMap.put("title", "Test Document");

        // Execute
        indexUpdateCallback.store(paramMap, dataMap);

        // Verify

        assertFalse(paramMap.containsKey("xxx"));
        assertTrue(paramMap.containsKey("aaa"));
        assertTrue(paramMap.containsKey("aaa_bbb"));
        assertTrue(paramMap.containsKey("aaaBbb"));
        assertTrue(paramMap.containsKey("AaaBbb"));
        assertFalse(paramMap.containsKey("aaabbb"));
        assertTrue(paramMap.containsKey("aaa_bbb_ccc"));

        Map<String, String[]> paramMap;

        paramMap = filter.parseQueryString("a=1", "UTF-8");
        assertEquals(1, paramMap.size());
        assertEquals("1", paramMap.get("a")[0]);

        paramMap = filter.parseQueryString("a=1&b=2", "UTF-8");
        assertEquals(2, paramMap.size());
        assertEquals("1", paramMap.get("a")[0]);
        assertEquals("2", paramMap.get("b")[0]);

        paramMap = ParameterUtil.parse(value);
        assertEquals(1, paramMap.size());
        assertEquals("", paramMap.get("a"));

        value = "a";
        paramMap = ParameterUtil.parse(value);
        assertEquals(1, paramMap.size());
        assertEquals("", paramMap.get("a"));

        value = "a=b=c";
        paramMap = ParameterUtil.parse(value);
        assertEquals(1, paramMap.size());

        String value;
        final Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("param1", "PARAM1");
        paramMap.put("param2", "PARAM2+");
        paramMap.put("param3", "PARAM3*");

        value = "\"abc\"";
        assertEquals("abc", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        value = "param1";

        storeData(config, callback, paramMap.newInstance(), configScriptMap, defaultDataMap);

    }

    /**
     * Get the script type.
     * @param paramMap The parameters.
     * @return The script type.
     */
    protected String getScriptType(final DataStoreParams paramMap) {
        final String value = paramMap.getAsString(SCRIPT_TYPE);
        if (StringUtil.isBlank(value)) {

     */
    protected boolean isUrlCrawlable(final DataStoreParams paramMap, final String url) {
        if (paramMap.containsKey(URL_EXCLUDE_PATTERN)) {
            if (paramMap.get(URL_EXCLUDE_PATTERN) instanceof final String value) {
                final Pattern pattern = Pattern.compile(value);
                paramMap.put(URL_EXCLUDE_PATTERN, pattern);
                if (logger.isDebugEnabled()) {

        scriptEngineFactory.add("modifyEngine", new ScriptEngine() {
            @Override
            public Object evaluate(String template, Map<String, Object> paramMap) {
                // Try to add new param
                paramMap.put("newKey", "newValue");
                return paramMap.size();
            }
        });

        // Execute first time
        Object result1 = scriptExecutor.execute("modifyEngine", "script1");

     * Handles document transformation, field addition, and batched indexing.
     *
     * @param paramMap the data store parameters
     * @param dataMap the document data to store
     * @throws DataStoreException if required fields are missing or other errors occur
     */
    @Override
    public void store(final DataStoreParams paramMap, final Map<String, Object> dataMap) {