String seed = "test@seed#with$special%chars";
        String[] tags = { "tag@1", "tag#2" };
        String[] roles = { "role$1", "role%2" };
        String[] fields = { "field&1", "field*2" };
        String[] excludes = { "exclude^1", "exclude(2)" };

        String result = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

        assertNotNull(result);

        user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});
        assertArrayEquals(roles, user.getRoleNames());
    }

    public void test_getGroupNames() {
        // Test with multiple groups
        String[] groups = { "developers", "testers", "managers" };
        FessUser user = new TestFessUser("testuser", new String[] {}, groups, new String[] {});

    }

    // Test with many roles
    @Secured({ "ROLE_1", "ROLE_2", "ROLE_3", "ROLE_4", "ROLE_5", "ROLE_6", "ROLE_7", "ROLE_8", "ROLE_9", "ROLE_10" })
    static class ManyRolesClass {
    }

    public void test_manyRoles() {
        Secured secured = ManyRolesClass.class.getAnnotation(Secured.class);
        assertNotNull(secured);
        String[] roles = secured.value();
        assertEquals(10, roles.length);

        if (StringUtil.isNotBlank(name)) {
            final SystemHelper systemHelper = ComponentUtil.getSystemHelper();
            final boolean isRole = entryDn.toLowerCase(Locale.ROOT).indexOf("ou=role") != -1;
            if (isRole) {
                if (fessConfig.isLdapRoleSearchRoleEnabled()) {
                    roleSet.add(systemHelper.getSearchRoleByRole(normalizePermissionName(name)));

                // Return roles with duplicates
                String[] roles = new String[] { "role1", "role2", "role1", "Uuser", "role2" };
                callback.accept(roles);
                return roles;
            }

            @Override
            public String normalizePermissionName(String name) {

        List<String> fields = Arrays.asList("field1", "field2", "field3");
        List<String> tags = Arrays.asList("tag1", "tag2");
        List<String> roles = Arrays.asList("role1", "role2", "role3");

        elevateWord = new ElevateWord(word, boost, readings, fields, tags, roles);
        SuggestItem suggestItem = elevateWord.toSuggestItem();

        assertNotNull(suggestItem);
        assertEquals(word, suggestItem.getText());

        String[] fields = { "field1", "field2" };
        String[] tags = { "tag1", "tag2" };
        String[] roles = { "role1", "role2" };
        String[] languages = { "en", "ja" };
        SuggestItem.Kind kind = SuggestItem.Kind.QUERY;

        SuggestItem item = new SuggestItem(text, readings, fields, 100L, 50L, 1.5f, tags, roles, languages, kind);

        assertNotNull(item);

        readings[1] = new String[] { "enjin", "fuga" };
        String[] tags = new String[] { "tag1", "tag2" };
        String[] roles = new String[] { SuggestConstants.DEFAULT_ROLE, "role1", "role2", "role3" };
        queryItems[0] = new SuggestItem(new String[] { "検索", "エンジン" }, readings, new String[] { "content" }, 1, 0, -1, tags, roles, null,
                SuggestItem.Kind.DOCUMENT);

        String[][] readings2 = new String[2][];

     * @param tag The tag.
     */
    public void addTag(final String tag) {
        tags.add(tag);
    }

    /**
     * Adds a role to filter by.
     * @param role The role.
     */
    public void addRole(final String role) {
        roles.add(role);
    }

    /**
     * Adds a field to filter by.
     * @param field The field name.
     */
    public void addField(final String field) {

        BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        Set<String> roles = Set.of("role1", "role2");

        queryHelper.buildRoleQuery(roles, boolQuery);

        String queryString = boolQuery.toString();
        assertTrue(queryString.contains("role1"));
        assertTrue(queryString.contains("role2"));
        assertTrue(queryString.contains("filter"));
    }