private FessConfig originalFessConfig;

    @Override
    public void setUp() throws Exception {
        super.setUp();
        originalFessConfig = ComponentUtil.getFessConfig();

        // Set up test configuration
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override

        super.setUp();
        ComponentUtil.register(new SystemHelper(), "systemHelper");
        apiFailureHook = new FessApiFailureHook();
        originalFessConfig = ComponentUtil.getFessConfig();
    }

    @Override
    public void tearDown() throws Exception {
        if (originalFessConfig != null) {
            ComponentUtil.setFessConfig(originalFessConfig);
        }
        super.tearDown();

    private FessConfig originalFessConfig;

    @Override
    public void setUp() throws Exception {
        super.setUp();

        originalFessConfig = ComponentUtil.getFessConfig();

        // Set up test FessConfig
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            private static final long serialVersionUID = 1L;

            @Override

        final String url = ComponentUtil.getFessConfig().getForumLink();
        if (StringUtil.isBlank(url)) {
            return null;
        }
        String target = null;
        final Locale locale = ComponentUtil.getRequestManager().getUserLocale();
        if (locale != null) {
            final String lang = locale.getLanguage();
            if (ComponentUtil.getFessConfig().isOnlineHelpSupportedLang(lang)) {

            final FessConfig fessConfig = ComponentUtil.getFessConfig();

            String scrollId = null;
            try {
                if (logger.isDebugEnabled()) {
                    logger.debug("Query DSL: {}", searchRequestBuilder);
                }
                SearchResponse response = searchRequestBuilder.execute().actionGet(ComponentUtil.getFessConfig().getIndexSearchTimeout());

     */
    protected String getClientId() {
        return ComponentUtil.getFessConfig().getSystemProperty(AZUREAD_CLIENT_ID, StringUtil.EMPTY);
    }

    /**
     * Gets the Azure AD client secret from configuration.
     * @return The client secret.
     */
    protected String getClientSecret() {
        return ComponentUtil.getFessConfig().getSystemProperty(AZUREAD_CLIENT_SECRET, StringUtil.EMPTY);
    }

    /**

        if (logger.isDebugEnabled()) {
            logger.debug("Starting indexUpdater.");
        }

        executeTime = 0;
        documentSize = 0;

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final long updateInterval = fessConfig.getIndexerWebfsUpdateIntervalAsInteger().longValue();
        final int maxEmptyListCount = fessConfig.getIndexerWebfsMaxEmptyListCountAsInteger();

            if (queryString.startsWith(ALLINURL_FIELD_PREFIX)) {
                defaultField = ComponentUtil.getFessConfig().getIndexFieldUrl();
                this.queryString = queryString.substring(ALLINURL_FIELD_PREFIX.length());
            } else if (queryString.startsWith(ALLINTITLE_FIELD_PREFIX)) {
                defaultField = ComponentUtil.getFessConfig().getIndexFieldTitle();

        // We can only test that the method can be called without crashing
        // when proper conditions are not met.

        Map<String, Object> docMap = new HashMap<>();

        // This will return false because getFessConfig() will fail
        // We verify the method handles the case gracefully
        try {
            emptyGenerator.isTarget(docMap);
        } catch (IllegalStateException e) {

     *
     * @param taskList list of thumbnail tasks to store
     */
    protected void storeQueue(final List<Tuple3<String, String, String>> taskList) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
        final String[] targets = fessConfig.getThumbnailGeneratorTargetsAsArray();
        final List<ThumbnailQueue> list = new ArrayList<>();