dreamjob/lib/Cake/Test/Case/Cache/Engine/MemcacheEngineTest.php

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2014-02-18 12:10:29 +01:00
<?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 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'));
}
}