}

    @Test
    public void test_changePassword_withNullUsername() {
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public boolean isLdapAdminEnabled(String username) {
                return true;
            }
        });
        LdapManager ldapManager = new LdapManager();
        ldapManager.init();

        // Null username should return false

    public void test_isEditable_enabled() {
        // Test when admin is enabled for the user
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public boolean isLdapAdminEnabled(String name) {
                assertEquals("testuser", name);
                return true;
            }
        });

        assertTrue(ldapUser.isEditable());
    }

    @Test

     */
    public Hashtable<String, String> getEnvironment() {
        return env;
    }

    @Override
    public boolean isEditable() {
        return ComponentUtil.getFessConfig().isLdapAdminEnabled(name);
    }

    private static String[] distinct(final String[] values) {
        if (values == null) {
            return StringUtil.EMPTY_STRINGS;
        }
        if (values.length < 2) {

    }

    boolean isLdapAdminEnabled();

    default boolean isLdapAdminEnabled(final String username) {
        if (isAdminUser(username)) {
            return false;
        }
        return isLdapAdminEnabled();
    }

    String getRoleSearchDefaultPermissions();

    /**
     * Applies LDAP attributes to a user object.
     *
     * @param user the user object to populate with LDAP attributes
     */
    public void apply(final User user) {
        if (!fessConfig.isLdapAdminEnabled(user.getName())) {
            return;
        }

        final Supplier<Hashtable<String, String>> adminEnv = this::createAdminEnv;

        super.setupHtmlData(runtime);
        runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNameUser()));
        runtime.registerData("ldapAdminEnabled", fessConfig.isLdapAdminEnabled());
    }

    @Override
    protected String getActionRole() {
        return ROLE;
    }

    // ===================================================================================

     * The value is, e.g. false <br>
     * comment: Whether LDAP admin is enabled.
     * @return The determination, true or false. (if not found, exception but basically no way)
     */
    boolean isLdapAdminEnabled();

    /**
     * Get the value for the key 'ldap.admin.user.filter'. <br>
     * The value is, e.g. uid=%s <br>
     * comment: User filter for LDAP admin.