public void test_getPermissions_withoutLdapConfig() {
        // Test when baseDn or accountFilter is blank
        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getLdapBaseDn() {
                return "";
            }

            @Override
            public String getLdapAccountFilter() {
                return "";
            }
        });

    }

    @Override
    public String[] getPermissions() {
        if (permissions == null) {
            final FessConfig fessConfig = ComponentUtil.getFessConfig();
            final String baseDn = fessConfig.getLdapBaseDn();
            final String accountFilter = fessConfig.getLdapAccountFilter();
            final String groupFilter = fessConfig.getLdapGroupFilter();

        }
        return value;
    }

    default void setLdapBaseDn(final String value) {
        setSystemProperty(Constants.LDAP_BASE_DN, value);
    }

    default String getLdapBaseDn() {
        return getSystemProperty(Constants.LDAP_BASE_DN);
    }

    default void setLdapAccountFilter(final String value) {
        setSystemProperty(Constants.LDAP_ACCOUNT_FILTER, value);
    }