test for ldap group backend

apps/user_ldap/tests/group_ldap.php

+<?php
+/**
+* ownCloud
+*
+* @author Arthur Schiwon
+* @copyright 2012 Arthur Schiwon blizzz@owncloud.com
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*
+* You should have received a copy of the GNU Affero General Public
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+class Test_Group_Ldap extends UnitTestCase {
+	function setUp(){
+		OC_Group::clearBackends();
+	}
+
+	function testSingleBackend(){
+		OC_Group::useBackend(new OC_GROUP_LDAP());
+		$group_ldap = new OC_GROUP_LDAP();
+
+ 		$this->assertIsA(OC_Group::getGroups(),gettype(array()));
+		$this->assertIsA($group_ldap->getGroups(),gettype(array()));
+	}
+
+}