talks/test-driven-drupal/code/8.txt

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// start code
// tests/src/ArticleRepositoryTest.php
namespace Drupal\Tests\drupalcon\Kernel;
use Drupal\KernelTests\Core\Entity\EntityKernelTestBase;
class ArticleRepositoryTest extends EntityKernelTestBase {
/** @test */
public function it_returns_blog_posts(): void {
$repository = $this->container->get(ArticleRepository::class);
$articles = $repository->getAll();
$this->assertCount(1, $articles);
}
// end code
}
---
// start output
E 1 / 1 (100%)
Time: 00:00.405, Memory: 6.00 MB
There was 1 error:
1) Drupal\Tests\drupalcon\Kernel\ArticleRepositoryTest::it_returns_blog_posts
Symfony\Component\DependencyInjection\Exception\ServiceNotFoundException:
You have requested a non-existent service
"Drupal\Tests\drupalcon\Kernel\ArticleRepository".
// end output
/app/vendor/symfony/dependency-injection/ContainerBuilder.php:992
/app/vendor/symfony/dependency-injection/ContainerBuilder.php:568
/app/vendor/symfony/dependency-injection/ContainerBuilder.php:531
/app/web/modules/custom/drupalcon/tests/src/ArticleRepositoryTest.php:11
/app/vendor/phpunit/phpunit/src/Framework/TestResult.php:728
ERRORS!
Tests: 1, Assertions: 4, Errors: 1.
Time: 00:00.409, Memory: 8.00 MB