TestScriptEngine engine1 = new TestScriptEngine("first");
        TestScriptEngine engine2 = new TestScriptEngine("second");

        scriptEngineFactory.add("name1", engine1);
        scriptEngineFactory.add("name2", engine2);

        // Both engines have same class name, so second should replace first for class name lookup
        ScriptEngine retrievedByClass = scriptEngineFactory.getScriptEngine("testscriptengine");

        Map<String, Object> lastParams = testScriptEngine.getLastParams();
        assertNotNull(lastParams);
        assertEquals(scriptExecutor, lastParams.get("executor"));
    }

    public void test_execute_withMultipleEngines() {
        // Setup multiple script engines
        TestScriptEngine engine1 = new TestScriptEngine("engine1");
        TestScriptEngine engine2 = new TestScriptEngine("engine2");

        assertNotNull(retrievedByClassName);
        assertEquals(testScriptEngine, retrievedByClassName);
    }

    // Test register method with multiple engines
    public void test_register_multipleEngines() {
        TestScriptEngine engine1 = new TestScriptEngine("engine1");
        TestScriptEngine engine2 = new TestScriptEngine("engine2");

    private ScriptEngine scriptEngine;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        // Create a test implementation of ScriptEngine
        scriptEngine = new TestScriptEngine();
    }

    // Test evaluate method with valid template and parameters
    public void test_evaluate_withValidTemplateAndParams() {
        String template = "Hello ${name}";

        final Map<String, Object> params = new HashMap<>();
        params.put("executor", this);

        return ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(script, params);
    }

        if (map == null || map.isEmpty() || matchExpression == null) {
            return false;
        }

        final Object value = ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(matchExpression, map);
        if (value instanceof Boolean) {
            return (Boolean) value;
        }

        return false;
    }

    /**

    }

    /**
     * Gets a script engine.
     * @param name The name of the script engine.
     * @return The script engine.
     */
    public ScriptEngine getScriptEngine(final String name) {
        if (name == null) {
            throw new ScriptEngineException("script name is null.");
        }
        final ScriptEngine scriptEngine = scriptEngineMap.get(name.toLowerCase(Locale.ROOT));

            paramMap.put("url", u);
            paramMap.put("matcher", m);
            final Object value =
                    ComponentUtil.getScriptEngineFactory().getScriptEngine(Constants.DEFAULT_SCRIPT).evaluate(template, paramMap);
            if (value == null) {
                return u;
            }
            return value.toString();
        };
    }

    /**

            return StringUtil.EMPTY;
        }

        if (paramMap.containsKey(template)) {
            return paramMap.get(template);
        }

        return ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(template, paramMap);
    }

    /**
     * Get the read interval.
     * @param paramMap The parameters.
     * @return The read interval.
     */

        if (StringUtil.isEmpty(template)) {
            return StringUtil.EMPTY;
        }

        return ComponentUtil.getScriptEngineFactory().getScriptEngine(scriptType).evaluate(template, paramMap);
    }

    /**
     * Gets the maximum allowed length for site strings from configuration.
     *
     * @return the maximum site length as configured
     */