How to Test Doctrine Repositories
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Unit testing Doctrine repositories in a Symfony project is not recommended. When you're dealing with a repository, you're really dealing with something that's meant to be tested against a real database connection.
Fortunately, you can easily test your queries against a real database, as described below.
Functional Testing
If you need to actually execute a query, you will need to boot the kernel
to get a valid connection. In this case, you'll extend the KernelTestCase,
which makes all of this quite easy:
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// src/AppBundle/Tests/Repository/ProductRepositoryFunctionalTest.php
namespace AppBundle\Tests\Repository;
use AppBundle\Entity\Product;
use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
class ProductRepositoryFunctionalTest extends KernelTestCase
{
/**
* @var \Doctrine\ORM\EntityManager
*/
private $entityManager;
/**
* {@inheritDoc}
*/
protected function setUp()
{
self::bootKernel();
$this->entityManager = static::$kernel->getContainer()
->get('doctrine')
->getManager()
;
}
public function testSearchByCategoryName()
{
$products = $this->entityManager
->getRepository(Product::class)
->searchByCategoryName('foo')
;
$this->assertCount(1, $products);
}
/**
* {@inheritDoc}
*/
protected function tearDown()
{
parent::tearDown();
$this->entityManager->close();
$this->entityManager = null; // avoid memory leaks
}
}
