CacheTest::testDataLibmemcachedCache PHP Method

    public function testDataLibmemcachedCache()
    {
        $memcache = $this->_prepareLibmemcached();
        if (!$memcache) {
            return false;
        }
        $memcache->delete('test-data');
        // Travis can be slow, especially when Valgrind is used
        $frontCache = new Phalcon\Cache\Frontend\Data(array('lifetime' => 900));
        $cache = new Phalcon\Cache\Backend\Libmemcached($frontCache, array('servers' => array(array('host' => '127.0.0.1', 'port' => '11211', 'weight' => '1')), 'statsKey' => '_PHCM'));
        $keys = $cache->queryKeys();
        foreach ((array) $keys as $key) {
            $cache->delete($key);
        }
        $data = array(1, 2, 3, 4, 5);
        $cache->save('test-data', $data);
        $cachedContent = $cache->get('test-data');
        $this->assertEquals($cachedContent, $data);
        $cache->save('test-data', "sure, nothing interesting");
        $cachedContent = $cache->get('test-data');
        $this->assertEquals($cachedContent, "sure, nothing interesting");
        $actual = $cache->queryKeys();
        $this->assertEquals($actual, array(0 => 'test-data'));
        //Check if exists
        $this->assertTrue($cache->exists('test-data'));
        //Delete
        $this->assertTrue($cache->delete('test-data'));
        $memcache->quit();
    }