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();

        Cookie otherCookie = new Cookie("other", "value");
        getMockRequest().addCookie(adminCookie);
        getMockRequest().addCookie(userCookie);
        getMockRequest().addCookie(otherCookie);

        Set<String> roleSet = new HashSet<>();
        roleQueryHelper.buildByCookieNameMapping(getMockRequest(), roleSet);

        assertEquals(2, roleSet.size());

        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_constructor_isQueryTrue() {
        getMockRequest().setAttribute(Constants.FIELD_LOGS, new HashMap<String, List<String>>());
        queryContext = new QueryContext("test", true);
        assertEquals("test", queryContext.getQueryString());

        // Verify that highlighting and field log are initialized
        assertNotNull(getMockRequest().getAttribute(Constants.HIGHLIGHT_QUERIES));

                return new Tuple3[] { new Tuple3<>("Host", "example.com", "site1"), new Tuple3<>("X-Forwarded-Host", "test.com", "site2") };
            }
        });

        MockletHttpServletRequest request = getMockRequest();
        HtmlNext page = new HtmlNext("/search");

        // No matching host header
        HtmlNext result = virtualHostHelper.getVirtualHostPath(page);
        assertEquals("/search", result.getRoutingPath());

    }

    @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() {