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<?php
namespace yiiunit\framework\caching;
use yii\caching\DbCache;
/**
* Class for testing file cache backend
*/
class DbCacheTest extends CacheTestCase
{
private $_cacheInstance;
private $_connection;
protected function setUp()
{
if (!extension_loaded('pdo') || !extension_loaded('pdo_mysql')) {
$this->markTestSkipped('pdo and pdo_mysql extensions are required.');
}
parent::setUp();
$this->getConnection()->createCommand("
CREATE TABLE IF NOT EXISTS tbl_cache (
id char(128) NOT NULL,
expire int(11) DEFAULT NULL,
data LONGBLOB,
PRIMARY KEY (id),
KEY expire (expire)
);
")->execute();
}
/**
* @param bool $reset whether to clean up the test database
* @return \yii\db\Connection
*/
function getConnection($reset = true)
{
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if ($this->_connection === null) {
$databases = $this->getParam('databases');
$params = $databases['mysql'];
$db = new \yii\db\Connection;
$db->dsn = $params['dsn'];
$db->username = $params['username'];
$db->password = $params['password'];
if ($reset) {
$db->open();
$lines = explode(';', file_get_contents($params['fixture']));
foreach ($lines as $line) {
if (trim($line) !== '') {
$db->pdo->exec($line);
}
}
}
$this->_connection = $db;
}
return $this->_connection;
}
/**
* @return DbCache
*/
protected function getCacheInstance()
{
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if ($this->_cacheInstance === null) {
$this->_cacheInstance = new DbCache(array(
'db' => $this->getConnection(),
));
}
return $this->_cacheInstance;
}
public function testExpire()
{
$cache = $this->getCacheInstance();
static::$time = \time();
$this->assertTrue($cache->set('expire_test', 'expire_test', 2));
static::$time++;
$this->assertEquals('expire_test', $cache->get('expire_test'));
static::$time++;
$this->assertFalse($cache->get('expire_test'));
}
}