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box-o-sand/php-practice/web-cake/html/cake/tests/cases/libs/cache/memcache.test.php

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<?php
/**
* MemcacheEngineTest file
*
* PHP versions 4 and 5
*
* CakePHP(tm) Tests <http://book.cakephp.org/view/1196/Testing>
* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The Open Group Test Suite License
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://book.cakephp.org/view/1196/Testing CakePHP(tm) Tests
* @package cake
* @subpackage cake.tests.cases.libs.cache
* @since CakePHP(tm) v 1.2.0.5434
* @license http://www.opensource.org/licenses/opengroup.php The Open Group Test Suite License
*/
if (!class_exists('Cache')) {
require LIBS . 'cache.php';
}
App::import('Core', 'cache/Memcache');
class TestMemcacheEngine extends MemcacheEngine {
/**
* public accessor to _parseServerString
*
* @param string $server
* @return array
*/
function parseServerString($server) {
return $this->_parseServerString($server);
}
}
/**
* MemcacheEngineTest class
*
* @package cake
* @subpackage cake.tests.cases.libs.cache
*/
class MemcacheEngineTest extends CakeTestCase {
/**
* skip method
*
* @access public
* @return void
*/
function skip() {
$skip = true;
if (class_exists('Memcache')) {
$skip = false;
}
$this->skipIf($skip, '%s Memcache is not installed or configured properly.');
}
/**
* setUp method
*
* @access public
* @return void
*/
function setUp() {
$this->_cacheDisable = Configure::read('Cache.disable');
Configure::write('Cache.disable', false);
Cache::config('memcache', array(
'engine' => 'Memcache',
'prefix' => 'cake_',
'duration' => 3600
));
}
/**
* tearDown method
*
* @access public
* @return void
*/
function tearDown() {
Configure::write('Cache.disable', $this->_cacheDisable);
Cache::drop('memcache');
Cache::config('default');
}
/**
* testSettings method
*
* @access public
* @return void
*/
function testSettings() {
$settings = Cache::settings();
unset($settings['serialize'], $settings['path']);
$expecting = array(
'prefix' => 'cake_',
'duration'=> 3600,
'probability' => 100,
'servers' => array('127.0.0.1'),
'compress' => false,
'engine' => 'Memcache'
);
$this->assertEqual($settings, $expecting);
}
/**
* testSettings method
*
* @access public
* @return void
*/
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(':', $server);
if (!@$Memcache->connect($host, $port)) {
$available = false;
}
}
if ($this->skipIf(!$available, '%s Need memcache servers at ' . implode(', ', $servers) . ' to run this test')) {
return;
}
$Memcache =& new MemcacheEngine();
$Memcache->init(array('engine' => 'Memcache', 'servers' => $servers));
$servers = array_keys($Memcache->__Memcache->getExtendedStats());
$settings = $Memcache->settings();
$this->assertEqual($servers, $settings['servers']);
Cache::drop('dual_server');
}
/**
* testConnect method
*
* @access public
* @return void
*/
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
*/
function testConnectIpv6() {
$Memcache =& new MemcacheEngine();
$result = $Memcache->init(array(
'prefix' => 'cake_',
'duration' => 200,
'engine' => 'Memcache',
'servers' => array(
'[::1]:11211'
)
));
$this->assertTrue($result);
}
/**
* test non latin domains.
*
* @return void
*/
function testParseServerStringNonLatin() {
$Memcache =& new TestMemcacheEngine();
$result = $Memcache->parseServerString('schülervz.net:13211');
$this->assertEqual($result, array('schülervz.net', '13211'));
$result = $Memcache->parseServerString('sülül:1111');
$this->assertEqual($result, array('sülül', '1111'));
}
/**
* testReadAndWriteCache method
*
* @access public
* @return void
*/
function testReadAndWriteCache() {
Cache::set(array('duration' => 1));
$result = Cache::read('test');
$expecting = '';
$this->assertEqual($result, $expecting);
$data = 'this is a test of the emergency broadcasting system';
$result = Cache::write('test', $data);
$this->assertTrue($result);
$result = Cache::read('test');
$expecting = $data;
$this->assertEqual($result, $expecting);
Cache::delete('test');
}
/**
* testExpiry method
*
* @access public
* @return void
*/
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);
Cache::config('memcache', array('duration' => '+1 second'));
sleep(2);
$result = Cache::read('other_test');
$this->assertFalse($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);
$this->assertTrue($result);
sleep(2);
$result = Cache::read('long_expiry_test');
$expecting = $data;
$this->assertEqual($result, $expecting);
Cache::config('memcache', array('duration' => 3600));
}
/**
* testDeleteCache method
*
* @access public
* @return void
*/
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);
}
/**
* testDecrement method
*
* @access public
* @return void
*/
function testDecrement() {
$result = Cache::write('test_decrement', 5);
$this->assertTrue($result);
$result = Cache::decrement('test_decrement');
$this->assertEqual(4, $result);
$result = Cache::read('test_decrement');
$this->assertEqual(4, $result);
$result = Cache::decrement('test_decrement', 2);
$this->assertEqual(2, $result);
$result = Cache::read('test_decrement');
$this->assertEqual(2, $result);
}
/**
* testIncrement method
*
* @access public
* @return void
*/
function testIncrement() {
$result = Cache::write('test_increment', 5);
$this->assertTrue($result);
$result = Cache::increment('test_increment');
$this->assertEqual(6, $result);
$result = Cache::read('test_increment');
$this->assertEqual(6, $result);
$result = Cache::increment('test_increment', 2);
$this->assertEqual(8, $result);
$result = Cache::read('test_increment');
$this->assertEqual(8, $result);
}
/**
* test that configurations don't conflict, when a file engine is declared after a memcache one.
*
* @return void
*/
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->assertEqual(Cache::read('duration_test', 'long_memcache'), 'yay', 'Value was not read %s');
$this->assertEqual(Cache::read('short_duration_test', 'short_memcache'), 'boo', 'Value was not read %s');
sleep(1);
$this->assertEqual(Cache::read('duration_test', 'long_memcache'), 'yay', '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 that a 0 duration can succesfully write.
*
* @return void
*/
function testZeroDuration() {
Cache::config('memcache', array('duration' => 0));
$result = Cache::write('test_key', 'written!', 'memcache');
$this->assertTrue($result, 'Could not write with duration 0');
$result = Cache::read('test_key', 'memcache');
$this->assertEqual($result, 'written!');
}
}
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