FessConfig mockConfig = new FessConfig.SimpleImpl();
        ComponentUtil.setFessConfig(mockConfig);
        assertSame(mockConfig, ComponentUtil.getFessConfig());
    }

    @Test
    public void test_getFessConfig_cached() {
        FessConfig mockConfig = new FessConfig.SimpleImpl();
        ComponentUtil.setFessConfig(mockConfig);

        FessConfig result1 = ComponentUtil.getFessConfig();

        notificationHelper = new NotificationHelper();
    }

    @Test
    public void test_sendToSlack_withBlankWebhookUrls() {
        // Setup mock configuration with blank webhook URLs
        ComponentUtil.setFessConfig(new MockFessConfig() {
            @Override
            public String getSlackWebhookUrls() {
                return "";
            }
        });

        assertEquals("guest", permissionHelper.encode("guest"));

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getRoleSearchUserPrefix() {

        final ChatApiManager manager = new ChatApiManager();
        assertNotNull(manager);
    }

    @Test
    public void test_matches_ragChatDisabled() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public boolean isRagChatEnabled() {
                return false;
            }

    private QueryContext queryContext;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        // Set up FessConfig mock
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public String getIndexFieldUrl() {
                return "url";
            }

            }

            @Override
            public String getHttpProxyPort() {
                return StringUtil.EMPTY;
            }
        };
        ComponentUtil.setFessConfig(fessConfig);
        SystemHelper systemHelper = new SystemHelper() {
            @Override
            public String getProductVersion() {
                return "98.76";
            }
        };

            }

            @Override
            public String getQueryFacetFieldsMissing() {
                return "unknown";
            }
        };
        ComponentUtil.setFessConfig(fessConfig);

        facetInfo.init();

        assertNotNull(facetInfo.field);
        assertEquals(3, facetInfo.field.length);
        assertEquals("field1", facetInfo.field[0]);

            }
        };
        ComponentUtil.setFessConfig(fessConfig);

        queryFieldConfig = new QueryFieldConfig();
        queryFieldConfig.init();
        ComponentUtil.register(queryFieldConfig, "queryFieldConfig");
    }

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

        testFessConfig = new TestFessConfig();
        ComponentUtil.register(testLdapManager, "ldapManager");
        ComponentUtil.setFessConfig(testFessConfig);
    }

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

    @Test
    public void test_update() {
        // Test update method

        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_getAvailableBoostDocumentRuleList() {
        // Mock FessConfig
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override
            public Integer getPageDocboostMaxFetchSizeAsInteger() {
                return 100;