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<?php
/**
 * DatabaseSessionTest file
 *
 * CakePHP(tm) Tests <http://book.cakephp.org/2.0/en/development/testing.html>
 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 *
 * Licensed under The MIT License
 * For full copyright and license information, please see the LICENSE.txt
 * Redistributions of files must retain the above copyright notice.
 *
 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
 * @link          http://cakephp.org CakePHP(tm) Project
 * @package       Cake.Test.Case.Model.Datasource.Session
 * @since         CakePHP(tm) v 2.0
 * @license       http://www.opensource.org/licenses/mit-license.php MIT License
 */

App::uses('Model', 'Model');
App::uses('CakeSession', 'Model/Datasource');
App::uses('DatabaseSession', 'Model/Datasource/Session');
class_exists('CakeSession');

/**
 * Class SessionTestModel
 *
 * @package       Cake.Test.Case.Model.Datasource.Session
 */
class SessionTestModel extends Model {

        public $useTable = 'sessions';

}

/**
 * Database session test.
 *
 * @package       Cake.Test.Case.Model.Datasource.Session
 */
class DatabaseSessionTest extends CakeTestCase {

        protected static $_sessionBackup;

/**
 * fixtures
 *
 * @var string
 */
        public $fixtures = array('core.session');

/**
 * test case startup
 *
 * @return void
 */
        public static function setupBeforeClass() {
                self::$_sessionBackup = Configure::read('Session');
                Configure::write('Session.handler', array(
                        'model' => 'SessionTestModel',
                ));
                Configure::write('Session.timeout', 100);
        }

/**
 * cleanup after test case.
 *
 * @return void
 */
        public static function teardownAfterClass() {
                Configure::write('Session', self::$_sessionBackup);
        }

/**
 * setUp
 *
 * @return void
 */
        public function setUp() {
                parent::setUp();
                $this->storage = new DatabaseSession();
        }

/**
 * tearDown
 *
 * @return void
 */
        public function tearDown() {
                unset($this->storage);
                ClassRegistry::flush();
                parent::tearDown();
        }

/**
 * test that constructor sets the right things up.
 *
 * @return void
 */
        public function testConstructionSettings() {
                ClassRegistry::flush();
                new DatabaseSession();

                $session = ClassRegistry::getObject('session');
                $this->assertInstanceOf('SessionTestModel', $session);
                $this->assertEquals('Session', $session->alias);
                $this->assertEquals('test', $session->useDbConfig);
                $this->assertEquals('sessions', $session->useTable);
        }

/**
 * test opening the session
 *
 * @return void
 */
        public function testOpen() {
                $this->assertTrue($this->storage->open());
        }

/**
 * test write()
 *
 * @return void
 */
        public function testWrite() {
                $result = $this->storage->write('foo', 'Some value');
                $expected = array(
                        'Session' => array(
                                'id' => 'foo',
                                'data' => 'Some value',
                        )
                );
                $expires = $result['Session']['expires'];
                unset($result['Session']['expires']);
                $this->assertEquals($expected, $result);

                $expected = time() + (Configure::read('Session.timeout') * 60);
                $this->assertWithinMargin($expires, $expected, 1);
        }

/**
 * testReadAndWriteWithDatabaseStorage method
 *
 * @return void
 */
        public function testWriteEmptySessionId() {
                $result = $this->storage->write('', 'This is a Test');
                $this->assertFalse($result);
        }

/**
 * test read()
 *
 * @return void
 */
        public function testRead() {
                $this->storage->write('foo', 'Some value');

                $result = $this->storage->read('foo');
                $expected = 'Some value';
                $this->assertEquals($expected, $result);

                $result = $this->storage->read('made up value');
                $this->assertFalse($result);
        }

/**
 * test blowing up the session.
 *
 * @return void
 */
        public function testDestroy() {
                $this->storage->write('foo', 'Some value');

                $this->assertTrue($this->storage->destroy('foo'), 'Destroy failed');
                $this->assertFalse($this->storage->read('foo'), 'Value still present.');
        }

/**
 * test the garbage collector
 *
 * @return void
 */
        public function testGc() {
                ClassRegistry::flush();
                Configure::write('Session.timeout', 0);

                $storage = new DatabaseSession();
                $storage->write('foo', 'Some value');

                sleep(1);
                $storage->gc();
                $this->assertFalse($storage->read('foo'));
        }
}