public function testHydratedNonCollectionRelationshipsManaged()
{
$this->clearDb();
$tw1 = new Tweeto('tw1');
$tw2 = new Tweeto('tw2');
$tw3 = new Tweeto('tw3');
$tw1->setFollows($tw2);
$this->em->persist($tw1);
$this->em->persist($tw3);
$this->em->flush();
$this->em->clear();
$this->assertGraphExist('(t1:Tweeto {name:"tw1"})-[:FOLLOWS]->(t2:Tweeto {name:"tw2"})');
$tweetoRep = $this->em->getRepository(Tweeto::class);
/** @var Tweeto $tw1 */
$tw1 = $tweetoRep->findOneBy('name', 'tw1');
/** @var Tweeto $tw3 */
$tw3 = $tweetoRep->findOneBy('name', 'tw3');
$tw1->setFollows($tw3);
$this->em->flush();
$this->em->clear();
$this->assertGraphNotExist('(t1:Tweeto {name:"tw1"})-[:FOLLOWS]->(t2:Tweeto {name:"tw2"})');
$this->assertGraphExist('(t1:Tweeto {name:"tw1"})-[:FOLLOWS]->(t3:Tweeto {name:"tw3"})');
}
