}

    /**
     * Creates text fragments from search queries.
     *
     * @return array of text fragments based on current queries
     */
    public TextFragment[] createTextFragmentsByQuery() {
        return LaRequestUtil.getOptionalRequest().map(req -> {
            @SuppressWarnings("unchecked")
            final Set<String> querySet = (Set<String>) req.getAttribute(Constants.HIGHLIGHT_QUERIES);

            }
        }

        if (Constants.TEXT_FRAGMENT_TYPE_QUERY.equals(fessConfig.getQueryHighlightTextFragmentType())) {
            docMap.put(Constants.TEXT_FRAGMENTS, viewHelper.createTextFragmentsByQuery());
        }

        // ContentTitle
        if (viewHelper != null) {
            docMap.put(fessConfig.getResponseFieldContentTitle(), viewHelper.getContentTitle(docMap));

    public void test_createTextFragmentsByQuery() {
        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        try {
            ViewHelper.TextFragment[] result = viewHelper.createTextFragmentsByQuery();
            assertNotNull(result);
        } catch (Exception e) {
            assertTrue(true);
        }
    }

    @Test
    public void test_settersAndGetters() {