Add integration test for entity repository dynamic return

Author: lcobucci

tests/DoctrineIntegration/ORM/EntityManagerIntegrationTest.php

@@ -12,7 +12,10 @@ final class EntityManagerIntegrationTest extends LevelsTestCase
 	 */
 	public function dataTopics(): array
 	{
-		return [['entityManagerDynamicReturn']];
+		return [
+			['entityManagerDynamicReturn'],
+			['entityRepositoryDynamicReturn'],
+		];
 	}
 
 	public function getDataPath(): string

tests/DoctrineIntegration/ORM/data/entityRepositoryDynamicReturn.php

@@ -0,0 +1,80 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\DoctrineIntegration\ORM\EntityRepositoryDynamicReturn;
+
+use Doctrine\ORM\EntityManagerInterface;
+use Doctrine\ORM\EntityRepository;
+use Doctrine\ORM\Mapping as ORM;
+use RuntimeException;
+
+class Example
+{
+	/**
+	 * @var EntityRepository
+	 */
+	private $repository;
+
+	public function __construct(EntityManagerInterface $entityManager)
+	{
+		$this->repository = $entityManager->getRepository(MyEntity::class);
+	}
+
+	public function findDynamicType(): void
+	{
+		$test = $this->repository->find(1);
+
+		if ($test === null) {
+			throw new RuntimeException('Sorry, but no...');
+		}
+
+		$test->doSomething();
+	}
+
+	public function findOneByDynamicType(): void
+	{
+		$test = $this->repository->findOneBy(['blah' => 'testing']);
+
+		if ($test === null) {
+			throw new RuntimeException('Sorry, but no...');
+		}
+
+		$test->doSomething();
+	}
+
+	public function findAllDynamicType(): void
+	{
+		$items = $this->repository->findAll();
+
+		foreach ($items as $test) {
+			$test->doSomething();
+		}
+	}
+
+	public function findByDynamicType(): void
+	{
+		$items = $this->repository->findBy(['blah' => 'testing']);
+
+		foreach ($items as $test) {
+			$test->doSomething();
+		}
+	}
+}
+
+/**
+ * @ORM\Entity()
+ */
+class MyEntity
+{
+	/**
+	 * @ORM\Id()
+	 * @ORM\GeneratedValue()
+	 * @ORM\Column(type="integer")
+	 *
+	 * @var int
+	 */
+	private $id;
+
+	public function doSomething(): void
+	{
+	}
+}