* @param groupName the name of the group to search for
     * @return an optional containing the sAMAccountName if found, empty otherwise
     */
    protected OptionalEntity<String> getSAMAccountGroupName(final String bindDn, final String groupName) {
        // Add defensive null/blank checks
        if (StringUtil.isBlank(bindDn) || StringUtil.isBlank(groupName)) {
            if (logger.isDebugEnabled()) {

    }

    @Test
    public void test_getSAMAccountGroupName_withNullGroupName() {
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        // Null groupName should return empty
        OptionalEntity<String> result = ldapManager.getSAMAccountGroupName("dc=example,dc=com", null);
        assertFalse(result.isPresent());
    }

    @Test

        public String[] getRoleNames() {
            return roleNames;
        }

        public void setGroupNames(String[] groupNames) {
            this.groupNames = groupNames;
        }

        @Override
        public String[] getGroupNames() {
            return groupNames;
        }

        public void setPermissions(String[] permissions) {
            this.permissions = permissions;
        }

            }
            String propName = cells.get(0).getTextContent().trim();
            PropertyMetaData property = classDoc.getClassMetaData().findProperty(propName);
            if (property == null) {
                throw new RuntimeException(String.format("No metadata for property '%s.%s'. Available properties: %s", classDoc.getName(), propName, classDoc.getClassMetaData().getPropertyNames()));
            }

                // Do nothing
            }
        }, "activityHelper");

        String[] groupNames = ldapUser.getGroupNames();
        assertNotNull(groupNames);
        assertEquals(2, groupNames.length);
        assertEquals("group1", groupNames[0]);
        assertEquals("group2", groupNames[1]);
    }

    @Test
    public void test_getGroupNames_empty() {

        private final String[] roleNames;
        private final String[] groupNames;
        private final String[] permissions;

        public TestFessUser(String name, String[] roleNames, String[] groupNames, String[] permissions) {
            this.name = name;
            this.roleNames = roleNames;
            this.groupNames = groupNames;
            this.permissions = permissions;
        }

        @Override

                                    <tbody>
                                    <tr>
                                        <th style="width: 25%"><la:message
                                                key="labels.group_name"/></th>
                                        <td>${f:h(name)}<la:hidden property="name"/></td>
                                    </tr>
                                    <tr>

labels.user_title_details=User
labels.role_configuration=Role
labels.role_list_name=Name
labels.role_name=Name
labels.role_title_details=Role
labels.group_configuration=Group
labels.group_list_name=Name
labels.group_name=Name
labels.group_title_details=Group
labels.related_content_configuration=Related Content
labels.related_content_content=Content
labels.related_content_list_term=Term
labels.related_content_term=Term

labels.user_title_details=使用者
labels.role_configuration=角色
labels.role_list_name=名稱
labels.role_name=名稱
labels.role_title_details=角色
labels.group_configuration=組
labels.group_list_name=名稱
labels.group_name=名稱
labels.group_title_details=組
labels.related_content_configuration=相關內容
labels.related_content_content=內容
labels.related_content_list_term=搜尋詞
labels.related_content_term=搜尋詞

labels.user_title_details=Пользователь
labels.role_configuration=Роль
labels.role_list_name=Имя
labels.role_name=Имя
labels.role_title_details=Роль
labels.group_configuration=Группа
labels.group_list_name=Имя
labels.group_name=Имя
labels.group_title_details=Группа
labels.related_content_configuration=Связанный контент
labels.related_content_content=Содержимое
labels.related_content_list_term=Термин
labels.related_content_term=Термин