pictcode

<?php

/**

 * MemcacheEngineTest 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');

App::uses('MemcacheEngine', 'Cache/Engine');

/**

 * Class TestMemcacheEngine

 *

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

 */

class TestMemcacheEngine extends MemcacheEngine {

/**

 * public accessor to _parseServerString

 *

 * @param string $server

 * @return array

 */

        public function parseServerString($server) {

                return $this->_parseServerString($server);

        }

        public function setMemcache($memcache) {

                $this->_Memcache = $memcache;

        }

}

/**

 * MemcacheEngineTest class

 *

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

 */

class MemcacheEngineTest extends CakeTestCase {

/**

 * setUp method

 *

 * @return void

 */

        public function setUp() {

                parent::setUp();

                $this->skipIf(!class_exists('Memcache'), 'Memcache is not installed or configured properly.');

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

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

                Cache::config('memcache', array(

                        'engine' => 'Memcache',

                        'prefix' => 'cake_',

                        'duration' => 3600

                ));

        }

/**

 * tearDown method

 *

 * @return void

 */

        public function tearDown() {

                parent::tearDown();

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

                Cache::drop('memcache');

                Cache::drop('memcache_groups');

                Cache::drop('memcache_helper');

                Cache::config('default');

        }

/**

 * testSettings method

 *

 * @return void

 */

        public function testSettings() {

                $settings = Cache::settings('memcache');

                unset($settings['serialize'], $settings['path']);

                $expecting = array(

                        'prefix' => 'cake_',

                        'duration' => 3600,

                        'probability' => 100,

                        'servers' => array('127.0.0.1'),

                        'persistent' => true,

                        'compress' => false,

                        'engine' => 'Memcache',

                        'groups' => array()

                );

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

        }

/**

 * testSettings method

 *

 * @return void

 */

        public function testMultipleServers() {

                $servers = array('127.0.0.1:11211', '127.0.0.1:11222');

                $available = true;

                $Memcache = new Memcache();

                foreach ($servers as $server) {

                        list($host, $port) = explode(':', $server);

                        //@codingStandardsIgnoreStart

                        if (!@$Memcache->connect($host, $port)) {

                                $available = false;

                        }

                        //@codingStandardsIgnoreEnd

                }

                $this->skipIf(!$available, 'Need memcache servers at ' . implode(', ', $servers) . ' to run this test.');

                $Memcache = new MemcacheEngine();

                $Memcache->init(array('engine' => 'Memcache', 'servers' => $servers));

                $settings = $Memcache->settings();

                $this->assertEquals($settings['servers'], $servers);

                Cache::drop('dual_server');

        }

/**

 * testConnect method

 *

 * @return void

 */

        public function testConnect() {

                $Memcache = new MemcacheEngine();

                $Memcache->init(Cache::settings('memcache'));

                $result = $Memcache->connect('127.0.0.1');

                $this->assertTrue($result);

        }

/**

 * test connecting to an ipv6 server.

 *

 * @return void

 */

        public function testConnectIpv6() {

                $Memcache = new MemcacheEngine();

                $result = $Memcache->init(array(

                        'prefix' => 'cake_',

                        'duration' => 200,

                        'engine' => 'Memcache',

                        'servers' => array(

                                '[::1]:11211'

                        )

                ));

                $this->assertTrue($result);

        }

/**

 * test domain starts with u

 *

 * @return void

 */

        public function testParseServerStringWithU() {

                $Memcached = new TestMemcachedEngine();

                $result = $Memcached->parseServerString('udomain.net:13211');

                $this->assertEquals(array('udomain.net', '13211'), $result);

        }

/**

 * test non latin domains.

 *

 * @return void

 */

        public function testParseServerStringNonLatin() {

                $Memcache = new TestMemcacheEngine();

                $result = $Memcache->parseServerString('schülervz.net:13211');

                $this->assertEquals(array('schülervz.net', '13211'), $result);

                $result = $Memcache->parseServerString('sülül:1111');

                $this->assertEquals(array('sülül', '1111'), $result);

        }

/**

 * test unix sockets.

 *

 * @return void

 */

        public function testParseServerStringUnix() {

                $Memcache = new TestMemcacheEngine();

                $result = $Memcache->parseServerString('unix:///path/to/memcached.sock');

                $this->assertEquals(array('unix:///path/to/memcached.sock', 0), $result);

        }

/**

 * testReadAndWriteCache method

 *

 * @return void

 */

        public function testReadAndWriteCache() {

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

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

                $expecting = '';

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

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

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

                $this->assertTrue($result);

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

                $expecting = $data;

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

                Cache::delete('test', 'memcache');

        }

/**

 * testExpiry method

 *

 * @return void

 */

        public function testExpiry() {

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

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

                $this->assertFalse($result);

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

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

                $this->assertTrue($result);

                sleep(2);

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

                $this->assertFalse($result);

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

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

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

                $this->assertTrue($result);

                sleep(3);

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

                $this->assertFalse($result);

                Cache::config('memcache', array('duration' => '+1 second'));

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

                $this->assertFalse($result);

                Cache::config('memcache', array('duration' => '+29 days'));

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

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

                $this->assertTrue($result);

                sleep(2);

                $result = Cache::read('long_expiry_test', 'memcache');

                $expecting = $data;

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

                Cache::config('memcache', array('duration' => 3600));

        }

/**

 * testDeleteCache method

 *

 * @return void

 */

        public function testDeleteCache() {

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

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

                $this->assertTrue($result);

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

                $this->assertTrue($result);

        }

/**

 * testDecrement method

 *

 * @return void

 */

        public function testDecrement() {

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

                $this->assertTrue($result);

                $result = Cache::decrement('test_decrement', 1, 'memcache');

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

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

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

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

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

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

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

        }

/**

 * testIncrement method

 *

 * @return void

 */

        public function testIncrement() {

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

                $this->assertTrue($result);

                $result = Cache::increment('test_increment', 1, 'memcache');

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

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

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

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

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

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

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

        }

/**

 * test that configurations don't conflict, when a file engine is declared after a memcache one.

 *

 * @return void

 */

        public function testConfigurationConflict() {

                Cache::config('long_memcache', array(

                        'engine' => 'Memcache',

                        'duration' => '+2 seconds',

                        'servers' => array('127.0.0.1:11211'),

                ));

                Cache::config('short_memcache', array(

                        'engine' => 'Memcache',

                        'duration' => '+1 seconds',

                        'servers' => array('127.0.0.1:11211'),

                ));

                Cache::config('some_file', array('engine' => 'File'));

                $this->assertTrue(Cache::write('duration_test', 'yay', 'long_memcache'));

                $this->assertTrue(Cache::write('short_duration_test', 'boo', 'short_memcache'));

                $this->assertEquals('yay', Cache::read('duration_test', 'long_memcache'), 'Value was not read %s');

                $this->assertEquals('boo', Cache::read('short_duration_test', 'short_memcache'), 'Value was not read %s');

                sleep(1);

                $this->assertEquals('yay', Cache::read('duration_test', 'long_memcache'), 'Value was not read %s');

                sleep(2);

                $this->assertFalse(Cache::read('short_duration_test', 'short_memcache'), 'Cache was not invalidated %s');

                $this->assertFalse(Cache::read('duration_test', 'long_memcache'), 'Value did not expire %s');

                Cache::delete('duration_test', 'long_memcache');

                Cache::delete('short_duration_test', 'short_memcache');

        }

/**

 * test clearing memcache.

 *

 * @return void

 */

        public function testClear() {

                Cache::config('memcache2', array(

                        'engine' => 'Memcache',

                        'prefix' => 'cake2_',

                        'duration' => 3600

                ));

                Cache::write('some_value', 'cache1', 'memcache');

                $result = Cache::clear(true, 'memcache');

                $this->assertTrue($result);

                $this->assertEquals('cache1', Cache::read('some_value', 'memcache'));

                Cache::write('some_value', 'cache2', 'memcache2');

                $result = Cache::clear(false, 'memcache');

                $this->assertTrue($result);

                $this->assertFalse(Cache::read('some_value', 'memcache'));

                $this->assertEquals('cache2', Cache::read('some_value', 'memcache2'));

                Cache::clear(false, 'memcache2');

        }

/**

 * test that a 0 duration can successfully write.

 *

 * @return void

 */

        public function testZeroDuration() {

                Cache::config('memcache', array('duration' => 0));

                $result = Cache::write('test_key', 'written!', 'memcache');

                $this->assertTrue($result);

                $result = Cache::read('test_key', 'memcache');

                $this->assertEquals('written!', $result);

        }

/**

 * test that durations greater than 30 days never expire

 *

 * @return void

 */

        public function testLongDurationEqualToZero() {

                $memcache = new TestMemcacheEngine();

                $memcache->settings['compress'] = false;

                $mock = $this->getMock('Memcache');

                $memcache->setMemcache($mock);

                $mock->expects($this->once())

                        ->method('set')

                        ->with('key', 'value', false, 0);

                $value = 'value';

                $memcache->write('key', $value, 50 * DAY);

        }

/**

 * 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 testGroupReadWrite() {

                Cache::config('memcache_groups', array(

                        'engine' => 'Memcache',

                        'duration' => 3600,

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

                        'prefix' => 'test_'

                ));

                Cache::config('memcache_helper', array(

                        'engine' => 'Memcache',

                        'duration' => 3600,

                        'prefix' => 'test_'

                ));

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

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

                Cache::increment('group_a', 1, 'memcache_helper');

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

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

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

                Cache::increment('group_b', 1, 'memcache_helper');

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

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

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

        }

/**

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

 *

 * @return void

 */

        public function testGroupDelete() {

                Cache::config('memcache_groups', array(

                        'engine' => 'Memcache',

                        'duration' => 3600,

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

                ));

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

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

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

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

        }

/**

 * Test clearing a cache group

 *

 * @return void

 */

        public function testGroupClear() {

                Cache::config('memcache_groups', array(

                        'engine' => 'Memcache',

                        'duration' => 3600,

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

                ));

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

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

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

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

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

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

        }

}