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<?php
declare(strict_types=1);
namespace Doctrine\Tests\ORM\Functional\Ticket;
use Doctrine\Tests\Models\Cache\Bar;
use Doctrine\Tests\ORM\Functional\SecondLevelCacheFunctionalTestCase;
use function assert;
use function uniqid;
class DDC4003Test extends SecondLevelCacheFunctionalTestCase
{
public function testReadsThroughRepositorySameDataThatItWroteInCache(): void
{
$this->loadFixturesCountries();
$this->loadFixturesStates();
$this->loadFixturesCities();
$this->loadFixturesAttractions();
// Get the id of the first bar
$id = $this->attractions[0]->getId();
$repository = $this->_em->getRepository(Bar::class);
/**
* This instance is fresh new, no QueryCache, so the full entity gets loaded from DB.
* It will be saved in the WRONG KEY (notice the cache.bar at the end):
* doctrine_tests_models_cache_attraction[doctrine_tests_models_cache_attraction_doctrine.tests.models.cache.bar_1][1]
*/
$bar = $repository->findOneBy(['id' => $id]);
assert($bar instanceof Bar);
// Let's change it so that we can compare its state
$bar->setName($newName = uniqid());
$this->_em->persist($bar);
$this->_em->flush();
/**
* Flush did 2 important things for us:
* 1: saved the entity in its right key (notice the cache.attraction at the end):
* doctrine_tests_models_cache_attraction[doctrine_tests_models_cache_attraction_doctrine.tests.models.cache.attraction_1][1]
* 2: Updated the TimestampRegion cache, so that the QueryCache is actually discarded.
*
* So, first findOneBy will hit DB, and its entity will not be loaded from cache.
*/
$repository->findOneBy(['id' => $id]);
// Lets clear EM so that we don't hit IdentityMap at all.
$this->_em->clear();
/**
* Here's the failing step:
* Right now QueryCache will HIT, as nothing changed between the last one and now.
* QueryCache holds a reference to the WRONG KEY, as we saw was formed in line 24 of this test.
* So this instance won't be updated and will have the original name ("Boteco São Bento"), and not the uniqid().
*/
$cached = $repository->findOneBy(['id' => $id]);
assert($cached instanceof Bar);
self::assertEquals($newName, $cached->getName());
}
}
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