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<?php
declare(strict_types=1);
namespace Doctrine\Tests\ORM\Functional;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\Tests\Models\ECommerce\ECommerceProduct;
/**
* Tests a self referential many-to-many association mapping (from a model to the same model, without inheritance).
* For simplicity the relation duplicates entries in the association table
* to remain symmetrical.
*/
class ManyToManySelfReferentialAssociationTest extends AbstractManyToManyAssociationTestCase
{
/** @var string */
protected $firstField = 'product_id';
/** @var string */
protected $secondField = 'related_id';
/** @var string */
protected $table = 'ecommerce_products_related';
private ECommerceProduct $firstProduct;
private ECommerceProduct $secondProduct;
private ECommerceProduct $firstRelated;
private ECommerceProduct $secondRelated;
protected function setUp(): void
{
$this->useModelSet('ecommerce');
parent::setUp();
$this->firstProduct = new ECommerceProduct();
$this->secondProduct = new ECommerceProduct();
$this->firstRelated = new ECommerceProduct();
$this->firstRelated->setName('Business');
$this->secondRelated = new ECommerceProduct();
$this->secondRelated->setName('Home');
}
public function testSavesAManyToManyAssociationWithCascadeSaveSet(): void
{
$this->firstProduct->addRelated($this->firstRelated);
$this->firstProduct->addRelated($this->secondRelated);
$this->_em->persist($this->firstProduct);
$this->_em->flush();
$this->assertForeignKeysContain(
$this->firstProduct->getId(),
$this->firstRelated->getId(),
);
$this->assertForeignKeysContain(
$this->firstProduct->getId(),
$this->secondRelated->getId(),
);
}
public function testRemovesAManyToManyAssociation(): void
{
$this->firstProduct->addRelated($this->firstRelated);
$this->firstProduct->addRelated($this->secondRelated);
$this->_em->persist($this->firstProduct);
$this->firstProduct->removeRelated($this->firstRelated);
$this->_em->flush();
$this->assertForeignKeysNotContain(
$this->firstProduct->getId(),
$this->firstRelated->getId(),
);
$this->assertForeignKeysContain(
$this->firstProduct->getId(),
$this->secondRelated->getId(),
);
}
public function testEagerLoadsOwningSide(): void
{
$this->createLoadingFixture();
$products = $this->findProducts();
$this->assertLoadingOfOwningSide($products);
}
public function testLazyLoadsOwningSide(): void
{
$this->createLoadingFixture();
$metadata = $this->_em->getClassMetadata(ECommerceProduct::class);
$metadata->associationMappings['related']->fetch = ClassMetadata::FETCH_LAZY;
$query = $this->_em->createQuery('SELECT p FROM Doctrine\Tests\Models\ECommerce\ECommerceProduct p');
$products = $query->getResult();
$this->assertLoadingOfOwningSide($products);
}
/** @phpstan-param list<ECommerceProduct> $products */
public function assertLoadingOfOwningSide(array $products): void
{
[$firstProduct, $secondProduct] = $products;
self::assertCount(2, $firstProduct->getRelated());
self::assertCount(2, $secondProduct->getRelated());
$categories = $firstProduct->getRelated();
$firstRelatedBy = $categories[0]->getRelated();
$secondRelatedBy = $categories[1]->getRelated();
self::assertCount(2, $firstRelatedBy);
self::assertCount(2, $secondRelatedBy);
self::assertInstanceOf(ECommerceProduct::class, $firstRelatedBy[0]);
self::assertInstanceOf(ECommerceProduct::class, $firstRelatedBy[1]);
self::assertInstanceOf(ECommerceProduct::class, $secondRelatedBy[0]);
self::assertInstanceOf(ECommerceProduct::class, $secondRelatedBy[1]);
$this->assertCollectionEquals($firstRelatedBy, $secondRelatedBy);
}
protected function createLoadingFixture(): void
{
$this->firstProduct->addRelated($this->firstRelated);
$this->firstProduct->addRelated($this->secondRelated);
$this->secondProduct->addRelated($this->firstRelated);
$this->secondProduct->addRelated($this->secondRelated);
$this->_em->persist($this->firstProduct);
$this->_em->persist($this->secondProduct);
$this->_em->flush();
$this->_em->clear();
}
/** @phpstan-return list<ECommerceProduct> */
protected function findProducts(): array
{
$query = $this->_em->createQuery('SELECT p, r FROM Doctrine\Tests\Models\ECommerce\ECommerceProduct p LEFT JOIN p.related r ORDER BY p.id, r.id');
return $query->getResult();
}
}
|
