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

        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";

    }

    // Test getDataMap with ParamMap
    @Test
    public void test_getDataMapWithParamMap() {
        Map<String, Object> innerMap = new HashMap<>();
        innerMap.put("key1", "value1");
        ParamMap<String, Object> paramMap = new ParamMap<>(innerMap);

        Map<String, Object> result = DataStoreParams.getDataMap(paramMap);
        assertSame(innerMap, result);
    }

        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            return "TestEngine[" + identifier + "]: " + template;
        }
    }

    private static class CustomScriptEngine implements ScriptEngine {
        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            return "CustomEngine: " + template;
        }
    }

    public Object evaluate(final String template, final Map<String, Object> paramMap) {
        if (StringUtil.isBlank(template)) {
            if (logger.isDebugEnabled()) {
                logger.debug("Template is blank, returning null");
            }
            return null;
        }

        final Map<String, Object> safeParamMap = paramMap != null ? paramMap : Collections.emptyMap();

            Map<String, String[]> paramMap = new HashMap<>(parameters);
            for (Map.Entry<String, String> entry : singleParameters.entrySet()) {
                if (!paramMap.containsKey(entry.getKey())) {
                    paramMap.put(entry.getKey(), new String[] { entry.getValue() });
                }
            }
            return paramMap;
        }

        @Override

    }

    /**
     * Test that evaluate handles null paramMap safely
     */
    @Test
    public void test_evaluate_nullParamMap() {
        assertEquals("test", groovyEngine.evaluate("return 'test'", null));
        assertEquals(123, groovyEngine.evaluate("return 123", null));
    }

    /**
     * Test that evaluate handles empty paramMap
     */
    @Test
    public void test_evaluate_emptyParamMap() {

        new AbstractScriptEngine() {

            @Override
            public Object evaluate(String template, Map<String, Object> paramMap) {
                final Map<String, Object> bindingMap = new HashMap<>(paramMap);
                bindingMap.put("container", SingletonLaContainerFactory.getContainer());
                final GroovyShell groovyShell = new GroovyShell(new Binding(bindingMap));

        }

        @Override
        protected String getName() {
            return name;
        }

        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            // Simple implementation for testing
            return "processed: " + template + " with params";
        }
    }

        @Override
        protected String getName() {
            return name;
        }

        @Override
        protected void storeData(DataConfig dataConfig, IndexUpdateCallback callback, DataStoreParams paramMap,
                Map<String, String> scriptMap, Map<String, Object> defaultDataMap) {
            // Test implementation
        }
    }

    // Second Test DataStore implementation for testing multiple stores