MockletHttpServletRequest request = getMockRequest();

        request.setAttribute(Constants.USER_CODE, "testUserCode");
        assertEquals("testUserCode", userInfoHelper.getUserCode());
    }

    @Test
    public void test_getUserCode_withValidRequestParameter() {
        UserInfoHelper userInfoHelper = new UserInfoHelper();
        MockletHttpServletRequest request = getMockRequest();

        assertEquals("example.com", cookies[0].getDomain());
    }

    @Test
    public void test_storeSearchParameters_withForwardedProto() {
        getMockRequest().addHeader("X-Forwarded-Proto", "https");
        getMockRequest().setParameter("q", "test");
        getMockRequest().setParameter("lang", "en");

        searchHelper.storeSearchParameters();

        Cookie[] cookies = getMockResponse().getCookies();

    }

    @Test
    public void test_getForumLink() {
        getMockRequest().setLocale(Locale.ENGLISH);
        assertEquals("https://discuss.codelibs.org/c/FessEN/", systemHelper.getForumLink());
        getMockRequest().setLocale(Locale.JAPANESE);
        assertEquals("https://discuss.codelibs.org/c/FessJA/", systemHelper.getForumLink());
        getMockRequest().setLocale(Locale.ITALIAN);

        ViewHelper viewHelper = new ViewHelper();
        viewHelper.init();

        getMockRequest().addHeader("x-forwarded-for", "192.168.1.1");
        assertEquals("192.168.1.1", viewHelper.getClientIp(getMockRequest()));

        getMockRequest().setRemoteAddr("127.0.0.1");
        assertNotNull(viewHelper.getClientIp(getMockRequest()));
    }

    @Test
    public void test_createHighlightText() {

        }
    }

    private void assertHighlightedQueries(Set<String> highlightedQuerySet) {
        @SuppressWarnings("unchecked")
        Set<String> set = (Set<String>) getMockRequest().getAttribute(Constants.HIGHLIGHT_QUERIES);
        if (highlightedQuerySet != null) {
            assertEquals(highlightedQuerySet.stream().sorted().collect(Collectors.joining("\n")),