Testing if a Doctrine entity is scheduled for deletion

Published on 2022-01-12 • Modified on 2022-01-12

In this snippet, we see how to test if a Doctrine entity is scheduled for deletion. There are two different methods involving the unit of work object. We can test a given entity, or retrieve a list of entities thanks to the getScheduledEntityDeletions() function.

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<?php

declare(strict_types=1);

namespace App\Controller\Snippet;

use App\Data\ArticleData;
use App\Entity\Article;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\UnitOfWork;

/**
 * I am using a PHP trait to isolate each snippet in a file.
 * This code should be called from a Symfony controller extending AbstractController (as of Symfony 4.2)
 * or Symfony\Bundle\FrameworkBundle\Controller\Controller (Symfony <= 4.1).
 * Services are injected in the main controller constructor.
 *
 * @property ArticleData            $articleData
 * @property EntityManagerInterface $entityManager
 */
trait Snippet184Trait
{
    public function snippet184(): void
    {
        // Get the current snippet
        $snippet = $this->articleData->getSnippetById(184);

        // Remove it
        $this->entityManager->remove($snippet);

        $uow = $this->entityManager->getUnitOfWork();
        if ($uow->getEntityState($snippet) === UnitOfWork::STATE_REMOVED) {
            echo 'The snippet is scheduled for deletion ! ✅'.PHP_EOL;
        } else {
            echo 'The snippet is NOT scheduled for deletion. ❌'.PHP_EOL;
        }

        foreach ($uow->getScheduledEntityDeletions() as $entity) {
            /** @var Article $entity */
            echo \sprintf('The snippet "%s" is scheduled for deletion. ✅', $entity->getId());
        }

        // That's it! 😁
    }
}

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  Work with me!

<?php

declare(strict_types=1);

namespace App\Tests\Integration\Controller\Snippets;

use App\Data\ArticleData;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\UnitOfWork;
use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;

/**
 * @see Snippet184Trait
 */
final class Snippet184Test extends KernelTestCase
{
    private EntityManagerInterface $doctrine;
    private ArticleData $articleData;

    protected function setUp(): void
    {
        $this->doctrine = self::getContainer()->get(EntityManagerInterface::class);
        $this->articleData = self::getContainer()->get(ArticleData::class);
    }

    /**
     * @see Snippet184Trait::snippet184
     */
    public function testSnippet184(): void
    {
        $uow = $this->doctrine->getUnitOfWork();
        $snippet = $this->articleData->getArticleById(183);
        $uow->remove($snippet);

        self::assertSame(UnitOfWork::STATE_REMOVED, $uow->getEntityState($snippet));
        self::assertCount(1, $uow->getScheduledEntityDeletions());
    }
}

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