<?php
/**
* ownCloud
*
* @author Robin Appelman
* @copyright 2012 Robin Appelman icewind@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/>.
*
*/

/**
 * Abstract class to provide the basis of backend-specific unit test classes.
 *
 * All subclasses MUST assign a backend property in setUp() which implements 
 * user operations (add, remove, etc.). Test methods in this class will then be
 * run on each separate subclass and backend therein.
 * 
 * For an example see /tests/lib/user/dummy.php
 */

abstract class Test_User_Backend extends UnitTestCase {
	/**
	 * @var OC_User_Backend $backend
	 */
	protected $backend;

	/**
	 * get a new unique user name
	 * test cases can override this in order to clean up created user
	 * @return array
	 */
	public function getUser() {
		return uniqid('test_');
	}

	public function testAddRemove() {
		//get the number of groups we start with, in case there are exising groups
		$startCount=count($this->backend->getUsers());

		$name1=$this->getUser();
		$name2=$this->getUser();
		$this->backend->createUser($name1,'');
		$count=count($this->backend->getUsers())-$startCount;
		$this->assertEqual(1, $count);
		$this->assertTrue((array_search($name1, $this->backend->getUsers())!==false));
		$this->assertFalse((array_search($name2, $this->backend->getUsers())!==false));
		$this->backend->createUser($name2,'');
		$count=count($this->backend->getUsers())-$startCount;
		$this->assertEqual(2, $count);
		$this->assertTrue((array_search($name1, $this->backend->getUsers())!==false));
		$this->assertTrue((array_search($name2, $this->backend->getUsers())!==false));

		$this->backend->deleteUser($name2);
		$count=count($this->backend->getUsers())-$startCount;
		$this->assertEqual(1, $count);
		$this->assertTrue((array_search($name1, $this->backend->getUsers())!==false));
		$this->assertFalse((array_search($name2, $this->backend->getUsers())!==false));
	}
	
	public function testLogin() {
		$name1=$this->getUser();
		$name2=$this->getUser();
		
		$this->assertFalse($this->backend->userExists($name1));
		$this->assertFalse($this->backend->userExists($name2));
		
		$this->backend->createUser($name1,'pass1');
		$this->backend->createUser($name2,'pass2');
		
		$this->assertTrue($this->backend->userExists($name1));
		$this->assertTrue($this->backend->userExists($name2));
		
		$this->assertTrue($this->backend->checkPassword($name1,'pass1'));
		$this->assertTrue($this->backend->checkPassword($name2,'pass2'));
		
		$this->assertFalse($this->backend->checkPassword($name1,'pass2'));
		$this->assertFalse($this->backend->checkPassword($name2,'pass1'));
		
		$this->assertFalse($this->backend->checkPassword($name1,'dummy'));
		$this->assertFalse($this->backend->checkPassword($name2,'foobar'));
		
		$this->backend->setPassword($name1,'newpass1');
		$this->assertFalse($this->backend->checkPassword($name1,'pass1'));
		$this->assertTrue($this->backend->checkPassword($name1,'newpass1'));
		$this->assertFalse($this->backend->checkPassword($name2,'newpass1'));
	}
}