public function xcache(UnitTester $I)
{
$I->wantTo('fetch metadata from xcache cache');
/** @var \Phalcon\Mvc\Model\MetaDataInterface $md */
$md = $I->grabServiceFromDi('modelsMetadata');
$md->reset();
$I->assertTrue($md->isEmpty());
Robots::findFirst();
$I->assertEquals($this->data['meta-robots-robots'], xcache_get('$PMM$app\\meta-phalcon\\test\\models\\robots-robots'));
$I->assertEquals($this->data['map-robots'], xcache_get('$PMM$app\\map-phalcon\\test\\models\\robots'));
$I->assertFalse($md->isEmpty());
$md->reset();
$I->assertTrue($md->isEmpty());
}