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

            @Override
            public String normalizePermissionName(String name) {

        assertTrue(result.contains("role1"));
        assertTrue(result.contains("field1"));
        assertTrue(result.contains("exclude1"));
    }

    public void test_getCacheKey_sorting() {
        String seed = "test_seed";
        String[] tags = { "zzz", "aaa", "mmm" };
        String[] roles = { "role3", "role1", "role2" };
        String[] fields = { "field3", "field1", "field2" };

        String[] roles1 = secured.value();
        String[] roles2 = secured.value();

        // Different array instances should be returned
        assertNotSame(roles1, roles2);

        // But values should be the same
        assertEquals(roles1.length, roles2.length);
        for (int i = 0; i < roles1.length; i++) {
            assertEquals(roles1[i], roles2[i]);
        }
    }

        // Test with multiple roles
        String[] roles = { "admin", "user", "manager" };
        FessUser user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});
        assertArrayEquals(roles, user.getRoleNames());

        // Test with single role
        roles = new String[] { "user" };
        user = new TestFessUser("testuser", roles, new String[] {}, new String[] {});

        testUser.setRoleNames(new String[] { "admin", "user", "manager" });
        roles = fessUserBean.getRoles();
        assertEquals(3, roles.length);
        assertEquals("admin", roles[0]);
        assertEquals("user", roles[1]);
        assertEquals("manager", roles[2]);
    }

    public void test_getGroups() {
        // Test with empty groups
        testUser.setGroupNames(new String[] {});

            this.groups = groups;
        }

        /**
         * Sets the user's role assignments.
         * @param roles Array of role names.
         */
        public void setRoles(final String[] roles) {
            this.roles = roles;
        }
    }

    /**
     * Checks if the current user has the specified action role or administrative privileges.
     *
     * @param role the role to check (supports both view and edit variants)
     * @return true if the user has the role or admin privileges, false otherwise
     */
    public static boolean hasActionRole(final String role) {
        final String[] roles;
        if (role.endsWith(FessAdminAction.VIEW)) {

                if (fessConfig.isValidSearchLogPermissions(roles.toArray(new String[roles.size()]))) {
                    suggester.indexer()
                            .indexFromSearchWord(sb.toString(), fields.toArray(new String[fields.size()]),
                                    tags.toArray(new String[tags.size()]), roles.toArray(new String[roles.size()]), 1, langs);

                logger.warn("Failed to access groups/roles: {}", contentMap);
            }
        } catch (final IOException e) {
            logger.warn("Failed to access groups/roles in AzureAD.", e);
        }
    }

    /**
     * Adds a group or role name to the specified list.
     * @param list The list to add the group or role name to.
     * @param value The group or role name value.

     * @param roles array of roles to filter results
     * @param fields array of fields to search in
     * @param excludes array of words to exclude from results
     * @return list of popular words matching the criteria
     */
    public List<String> getWordList(final SearchRequestType searchRequestType, final String seed, final String[] tags, final String[] roles,