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());
    }

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

        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)));

    }

    // 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 {
    }

    @Test
    public void test_manyRoles() {
        Secured secured = ManyRolesClass.class.getAnnotation(Secured.class);
        assertNotNull(secured);
        String[] roles = secured.value();

        assertTrue(roleSet.contains("role1"));

        encrypted = false;
        value = "role1,role2";
        roleSet = decodedRoleList(roleQueryHelperImpl, value, encrypted);
        assertEquals(2, roleSet.size());
        assertTrue(roleSet.contains("role1"));
        assertTrue(roleSet.contains("role2"));

        encrypted = false;
        value = "role1,role2,role3";

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

            @Override
            public String normalizePermissionName(String name) {

        SuggestItem item2 = createItemWithRoles("text", "role2", "role3");

        SuggestItem merged = SuggestItemMerger.merge(item1, item2);

        String[] roles = merged.getRoles();
        Set<String> roleSet = new HashSet<>(Arrays.asList(roles));

        assertEquals(3, roleSet.size());
        assertTrue(roleSet.contains("role1"));

        String[] roles1 = { "role1" };
        SuggestItem item1 = new SuggestItem(text1, readings1, null, 10L, 20L, 1.0f, tags1, roles1, null, SuggestItem.Kind.QUERY);

        String[] text2 = { "test" };
        String[][] readings2 = { { "test" } };
        String[] tags2 = { "tag2", "tag3" }; // tag2 overlaps
        String[] roles2 = { "role1", "role2" }; // role1 overlaps

        final String[] roles1 = SuggestUtil.parseQuery(queryString, roleFieldName);
        final String[] roles2 = filterQueryString == null ? new String[0] : SuggestUtil.parseQuery(filterQueryString, roleFieldName);
        return Stream.concat(Arrays.stream(roles1), Arrays.stream(roles2)).toArray(String[]::new);
    }

    /**
     * Analyze text.

                final String[] roles = values[1].split(roleSeparator);
                for (final String role : roles) {
                    if (StringUtil.isNotEmpty(role)) {
                        roleSet.add(role);
                    }
                }
            }
        } else {
            final String[] roles = rolesStr.split(roleSeparator);
            for (final String role : roles) {