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<?php

/**

 * XcacheEngineTest 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://book.cakephp.org/2.0/en/development/testing.html CakePHP(tm) Tests

 * @package       Cake.Test.Case.Cache.Engine

 * @since         CakePHP(tm) v 1.2.0.5434

 * @license       http://www.opensource.org/licenses/mit-license.php MIT License

 */

App::uses('Cache', 'Cache');

/**

 * XcacheEngineTest class

 *

 * @package       Cake.Test.Case.Cache.Engine

 */

class XcacheEngineTest extends CakeTestCase {

/**

 * setUp method

 *

 * @return void

 */

	public function setUp() {

		parent::setUp();

		if (!function_exists('xcache_set')) {

			$this->markTestSkipped('Xcache is not installed or configured properly');

		}

		$this->_cacheDisable = Configure::read('Cache.disable');

		Configure::write('Cache.disable', false);

		Cache::config('xcache', array('engine' => 'Xcache', 'prefix' => 'cake_'));

	}

/**

 * tearDown method

 *

 * @return void

 */

	public function tearDown() {

		parent::tearDown();

		Configure::write('Cache.disable', $this->_cacheDisable);

		Cache::drop('xcache');

		Cache::drop('xcache_groups');

		Cache::config('default');

	}

/**

 * testSettings method

 *

 * @return void

 */

	public function testSettings() {

		$settings = Cache::settings();

		$expecting = array(

			'prefix' => 'cake_',

			'duration' => 3600,

			'probability' => 100,

			'engine' => 'Xcache',

		);

		$this->assertTrue(isset($settings['PHP_AUTH_USER']));

		$this->assertTrue(isset($settings['PHP_AUTH_PW']));

		unset($settings['PHP_AUTH_USER'], $settings['PHP_AUTH_PW']);

		$this->assertEquals($settings, $expecting);

	}

/**

 * testReadAndWriteCache method

 *

 * @return void

 */

	public function testReadAndWriteCache() {

		Cache::set(array('duration' => 1));

		$result = Cache::read('test');

		$expecting = '';

		$this->assertEquals($expecting, $result);

		$data = 'this is a test of the emergency broadcasting system';

		$result = Cache::write('test', $data);

		$this->assertTrue($result);

		$result = Cache::read('test');

		$expecting = $data;

		$this->assertEquals($expecting, $result);

		Cache::delete('test');

	}

/**

 * testExpiry method

 *

 * @return void

 */

	public function testExpiry() {

		Cache::set(array('duration' => 1));

		$result = Cache::read('test');

		$this->assertFalse($result);

		$data = 'this is a test of the emergency broadcasting system';

		$result = Cache::write('other_test', $data);

		$this->assertTrue($result);

		sleep(2);

		$result = Cache::read('other_test');

		$this->assertFalse($result);

		Cache::set(array('duration' => "+1 second"));

		$data = 'this is a test of the emergency broadcasting system';

		$result = Cache::write('other_test', $data);

		$this->assertTrue($result);

		sleep(2);

		$result = Cache::read('other_test');

		$this->assertFalse($result);

	}

/**

 * testDeleteCache method

 *

 * @return void

 */

	public function testDeleteCache() {

		$data = 'this is a test of the emergency broadcasting system';

		$result = Cache::write('delete_test', $data);

		$this->assertTrue($result);

		$result = Cache::delete('delete_test');

		$this->assertTrue($result);

	}

/**

 * testClearCache method

 *

 * @return void

 */

	public function testClearCache() {

		$data = 'this is a test of the emergency broadcasting system';

		$result = Cache::write('clear_test_1', $data);

		$this->assertTrue($result);

		$result = Cache::write('clear_test_2', $data);

		$this->assertTrue($result);

		$result = Cache::clear();

		$this->assertTrue($result);

	}

/**

 * testDecrement method

 *

 * @return void

 */

	public function testDecrement() {

		$result = Cache::write('test_decrement', 5);

		$this->assertTrue($result);

		$result = Cache::decrement('test_decrement');

		$this->assertEquals(4, $result);

		$result = Cache::read('test_decrement');

		$this->assertEquals(4, $result);

		$result = Cache::decrement('test_decrement', 2);

		$this->assertEquals(2, $result);

		$result = Cache::read('test_decrement');

		$this->assertEquals(2, $result);

	}

/**

 * testIncrement method

 *

 * @return void

 */

	public function testIncrement() {

		$result = Cache::write('test_increment', 5);

		$this->assertTrue($result);

		$result = Cache::increment('test_increment');

		$this->assertEquals(6, $result);

		$result = Cache::read('test_increment');

		$this->assertEquals(6, $result);

		$result = Cache::increment('test_increment', 2);

		$this->assertEquals(8, $result);

		$result = Cache::read('test_increment');

		$this->assertEquals(8, $result);

	}

/**

 * Tests that configuring groups for stored keys return the correct values when read/written

 * Shows that altering the group value is equivalent to deleting all keys under the same

 * group

 *

 * @return void

 */

	public function testGroupsReadWrite() {

		Cache::config('xcache_groups', array(

			'engine' => 'Xcache',

			'duration' => 0,

			'groups' => array('group_a', 'group_b'),

			'prefix' => 'test_'

		));

		$this->assertTrue(Cache::write('test_groups', 'value', 'xcache_groups'));

		$this->assertEquals('value', Cache::read('test_groups', 'xcache_groups'));

		xcache_inc('test_group_a', 1);

		$this->assertFalse(Cache::read('test_groups', 'xcache_groups'));

		$this->assertTrue(Cache::write('test_groups', 'value2', 'xcache_groups'));

		$this->assertEquals('value2', Cache::read('test_groups', 'xcache_groups'));

		xcache_inc('test_group_b', 1);

		$this->assertFalse(Cache::read('test_groups', 'xcache_groups'));

		$this->assertTrue(Cache::write('test_groups', 'value3', 'xcache_groups'));

		$this->assertEquals('value3', Cache::read('test_groups', 'xcache_groups'));

	}

/**

 * Tests that deleteing from a groups-enabled config is possible

 *

 * @return void

 */

	public function testGroupDelete() {

		Cache::config('xcache_groups', array(

			'engine' => 'Xcache',

			'duration' => 0,

			'groups' => array('group_a', 'group_b'),

			'prefix' => 'test_'

		));

		$this->assertTrue(Cache::write('test_groups', 'value', 'xcache_groups'));

		$this->assertEquals('value', Cache::read('test_groups', 'xcache_groups'));

		$this->assertTrue(Cache::delete('test_groups', 'xcache_groups'));

		$this->assertFalse(Cache::read('test_groups', 'xcache_groups'));

	}

/**

 * Test clearing a cache group

 *

 * @return void

 */

	public function testGroupClear() {

		Cache::config('xcache_groups', array(

			'engine' => 'Xcache',

			'duration' => 0,

			'groups' => array('group_a', 'group_b'),

			'prefix' => 'test_'

		));

		$this->assertTrue(Cache::write('test_groups', 'value', 'xcache_groups'));

		$this->assertTrue(Cache::clearGroup('group_a', 'xcache_groups'));

		$this->assertFalse(Cache::read('test_groups', 'xcache_groups'));

		$this->assertTrue(Cache::write('test_groups', 'value2', 'xcache_groups'));

		$this->assertTrue(Cache::clearGroup('group_b', 'xcache_groups'));

		$this->assertFalse(Cache::read('test_groups', 'xcache_groups'));

	}

}