}
        };
        ComponentUtil.setFessConfig(testFessConfig);

        testServletContext = new TestServletContext();
        ComponentUtil.register(testServletContext, ServletContext.class.getCanonicalName());
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

            @Override
            public String get(String key) {
                // Return empty string instead of null
                return "";
            }
        };

        ComponentUtil.setFessConfig(fessConfig);

        // Initialize QueryFieldConfig
        QueryFieldConfig queryFieldConfig = new QueryFieldConfig();
        queryFieldConfig.init();

    }

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        final TestFessConfig fessConfig = new TestFessConfig();
        ComponentUtil.setFessConfig(fessConfig);
        testClient = new TestSearchEngineClient();
        testClient.addIndexConfig("fess/doc");
        testClient.addIndexConfig("fess_config.scheduled_job/scheduled_job");

        // Default implementation does nothing
    }

    /**
     * Creates and registers a properly initialized FessConfig
     */
    protected void setupBaseFessConfig() {
        ComponentUtil.setFessConfig(createBaseFessConfig());
    }

    /**
     * Creates a base FessConfig implementation with common fields
     */
    protected FessConfig.SimpleImpl createBaseFessConfig() {

        ComponentUtil.register(testFacetInfo, "facetInfo");
        ComponentUtil.register(testFileTypeHelper, "fileTypeHelper");
        ComponentUtil.setFessConfig(testFessConfig);
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

    // Test constructor
    @Test
    public void test_constructor() {

        super.setUp(testInfo);

        FessConfig fessConfig = createTestFessConfig();
        ComponentUtil.setFessConfig(fessConfig);

        queryFieldConfig = new QueryFieldConfig();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

    /**

        testScriptEngine = new TestScriptEngine();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

    // Test default constructor
    @Test
    public void test_constructor() {
        assertNotNull(testScriptEngine);
    }

    // Test register method

        testFessConfig = new TestFessConfig() {
            @Override
            public String getIndexDocumentSearchIndex() {
                return "fess.search";
            }
        };
        ComponentUtil.setFessConfig(testFessConfig);

        testServletContext = new TestServletContext();
        testServletContext.tempDir = tempDir;
        ComponentUtil.register(testServletContext, ServletContext.class.getCanonicalName());
    }

        setupMockConfig(fesenUrl, username, password, "");
    }

    private void setupMockConfig(String fesenUrl, String username, String password, String certificateAuthorities) {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getFesenHttpSslCertificateAuthorities() {

                return paths;
            }
        };
        ComponentUtil.register(virtualHostHelper, "virtualHostHelper");

        // Also set up FessConfig if needed
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Tuple3<String, String, String>[] getVirtualHosts() {