Doctrine\Tests\Common\DataFixtures\ReferenceRepositoryTest::testReferenceMultipleEntries PHP Method

    public function testReferenceMultipleEntries()
    {
        $em = $this->getMockSqliteEntityManager();
        $referenceRepository = new ReferenceRepository($em);
        $em->getEventManager()->addEventSubscriber(new ORMReferenceListener($referenceRepository));
        $schemaTool = new SchemaTool($em);
        $schemaTool->createSchema(array($em->getClassMetadata(Role::class)));
        $role = new TestEntity\Role();
        $role->setName('admin');
        $em->persist($role);
        $referenceRepository->addReference('admin', $role);
        $referenceRepository->addReference('duplicate', $role);
        $em->flush();
        $em->clear();
        $this->assertInstanceOf(Proxy::class, $referenceRepository->getReference('admin'));
        $this->assertInstanceOf(Proxy::class, $referenceRepository->getReference('duplicate'));
    }