Subversion Repositories SmartDukaan

<?php
/**
 * ApcEngineTest 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');

/**
 * ApcEngineTest class
 *
 * @package       Cake.Test.Case.Cache.Engine
 */
class ApcEngineTest extends CakeTestCase {

/**
 * setUp method
 *
 * @return void
 */
        public function setUp() {
                parent::setUp();
                $this->skipIf(!function_exists('apc_store'), 'Apc is not installed or configured properly.');

                if (php_sapi_name() === 'cli') {
                        $this->skipIf(!ini_get('apc.enable_cli'), 'APC is not enabled for the CLI.');
                }

                $this->_cacheDisable = Configure::read('Cache.disable');
                Configure::write('Cache.disable', false);
                Cache::config('apc', array('engine' => 'Apc', 'prefix' => 'cake_'));
        }

/**
 * tearDown method
 *
 * @return void
 */
        public function tearDown() {
                parent::tearDown();
                Configure::write('Cache.disable', $this->_cacheDisable);
                Cache::drop('apc');
                Cache::drop('apc_groups');
                Cache::config('default');
        }

/**
 * testReadAndWriteCache method
 *
 * @return void
 */
        public function testReadAndWriteCache() {
                Cache::set(array('duration' => 1), 'apc');

                $result = Cache::read('test', 'apc');
                $expecting = '';
                $this->assertEquals($expecting, $result);

                $data = 'this is a test of the emergency broadcasting system';
                $result = Cache::write('test', $data, 'apc');
                $this->assertTrue($result);

                $result = Cache::read('test', 'apc');
                $expecting = $data;
                $this->assertEquals($expecting, $result);

                Cache::delete('test', 'apc');
        }

/**
 * Writing cache entries with duration = 0 (forever) should work.
 *
 * @return void
 */
        public function testReadWriteDurationZero() {
                Cache::config('apc', array('engine' => 'Apc', 'duration' => 0, 'prefix' => 'cake_'));
                Cache::write('zero', 'Should save', 'apc');
                sleep(1);

                $result = Cache::read('zero', 'apc');
                $this->assertEquals('Should save', $result);
        }

/**
 * testExpiry method
 *
 * @return void
 */
        public function testExpiry() {
                Cache::set(array('duration' => 1), 'apc');

                $result = Cache::read('test', 'apc');
                $this->assertFalse($result);

                $data = 'this is a test of the emergency broadcasting system';
                $result = Cache::write('other_test', $data, 'apc');
                $this->assertTrue($result);

                sleep(2);
                $result = Cache::read('other_test', 'apc');
                $this->assertFalse($result);

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

                $data = 'this is a test of the emergency broadcasting system';
                $result = Cache::write('other_test', $data, 'apc');
                $this->assertTrue($result);

                sleep(2);
                $result = Cache::read('other_test', 'apc');
                $this->assertFalse($result);

                sleep(2);
                $result = Cache::read('other_test', 'apc');
                $this->assertFalse($result);
        }

/**
 * testDeleteCache method
 *
 * @return void
 */
        public function testDeleteCache() {
                $data = 'this is a test of the emergency broadcasting system';
                $result = Cache::write('delete_test', $data, 'apc');
                $this->assertTrue($result);

                $result = Cache::delete('delete_test', 'apc');
                $this->assertTrue($result);
        }

/**
 * testDecrement method
 *
 * @return void
 */
        public function testDecrement() {
                $this->skipIf(!function_exists('apc_dec'), 'No apc_dec() function, cannot test decrement().');

                $result = Cache::write('test_decrement', 5, 'apc');
                $this->assertTrue($result);

                $result = Cache::decrement('test_decrement', 1, 'apc');
                $this->assertEquals(4, $result);

                $result = Cache::read('test_decrement', 'apc');
                $this->assertEquals(4, $result);

                $result = Cache::decrement('test_decrement', 2, 'apc');
                $this->assertEquals(2, $result);

                $result = Cache::read('test_decrement', 'apc');
                $this->assertEquals(2, $result);
        }

/**
 * testIncrement method
 *
 * @return void
 */
        public function testIncrement() {
                $this->skipIf(!function_exists('apc_inc'), 'No apc_inc() function, cannot test increment().');

                $result = Cache::write('test_increment', 5, 'apc');
                $this->assertTrue($result);

                $result = Cache::increment('test_increment', 1, 'apc');
                $this->assertEquals(6, $result);

                $result = Cache::read('test_increment', 'apc');
                $this->assertEquals(6, $result);

                $result = Cache::increment('test_increment', 2, 'apc');
                $this->assertEquals(8, $result);

                $result = Cache::read('test_increment', 'apc');
                $this->assertEquals(8, $result);
        }

/**
 * test the clearing of cache keys
 *
 * @return void
 */
        public function testClear() {
                apc_store('not_cake', 'survive');
                Cache::write('some_value', 'value', 'apc');

                $result = Cache::clear(false, 'apc');
                $this->assertTrue($result);
                $this->assertFalse(Cache::read('some_value', 'apc'));
                $this->assertEquals('survive', apc_fetch('not_cake'));
                apc_delete('not_cake');
        }

/**
 * 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('apc_groups', array(
                        'engine' => 'Apc',
                        'duration' => 0,
                        'groups' => array('group_a', 'group_b'),
                        'prefix' => 'test_'
                ));
                $this->assertTrue(Cache::write('test_groups', 'value', 'apc_groups'));
                $this->assertEquals('value', Cache::read('test_groups', 'apc_groups'));

                apc_inc('test_group_a');
                $this->assertFalse(Cache::read('test_groups', 'apc_groups'));
                $this->assertTrue(Cache::write('test_groups', 'value2', 'apc_groups'));
                $this->assertEquals('value2', Cache::read('test_groups', 'apc_groups'));

                apc_inc('test_group_b');
                $this->assertFalse(Cache::read('test_groups', 'apc_groups'));
                $this->assertTrue(Cache::write('test_groups', 'value3', 'apc_groups'));
                $this->assertEquals('value3', Cache::read('test_groups', 'apc_groups'));
        }

/**
 * Tests that deleteing from a groups-enabled config is possible
 *
 * @return void
 */
        public function testGroupDelete() {
                Cache::config('apc_groups', array(
                        'engine' => 'Apc',
                        'duration' => 0,
                        'groups' => array('group_a', 'group_b'),
                        'prefix' => 'test_'
                ));
                $this->assertTrue(Cache::write('test_groups', 'value', 'apc_groups'));
                $this->assertEquals('value', Cache::read('test_groups', 'apc_groups'));
                $this->assertTrue(Cache::delete('test_groups', 'apc_groups'));

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

/**
 * Test clearing a cache group
 *
 * @return void
 */
        public function testGroupClear() {
                Cache::config('apc_groups', array(
                        'engine' => 'Apc',
                        'duration' => 0,
                        'groups' => array('group_a', 'group_b'),
                        'prefix' => 'test_'
                ));

                $this->assertTrue(Cache::write('test_groups', 'value', 'apc_groups'));
                $this->assertTrue(Cache::clearGroup('group_a', 'apc_groups'));
                $this->assertFalse(Cache::read('test_groups', 'apc_groups'));

                $this->assertTrue(Cache::write('test_groups', 'value2', 'apc_groups'));
                $this->assertTrue(Cache::clearGroup('group_b', 'apc_groups'));
                $this->assertFalse(Cache::read('test_groups', 'apc_groups'));
        }
}