public function setCategory(Category $category)
{
$this->category = $category;
$this->categoryId = $category->getId();
}
public function testShouldPopulateReferenceManyEmbedWithLazyCollectionInstance()
{
$tvCategory = new Category();
$tvCategory->setName("Television");
$this->em->persist($tvCategory);
$cellPhoneCategory = new Category();
$cellPhoneCategory->setName("CellPhone");
$this->em->persist($cellPhoneCategory);
$this->em->clear();
$tvMetadata = new Metadata($tvCategory);
$appleTV = new Product();
$appleTV->setName('Apple TV');
$this->dm->persist($appleTV);
$this->dm->clear();
$samsungTV = new Product();
$samsungTV->setName('Samsung TV');
$this->dm->persist($samsungTV);
$this->dm->flush();
$iPhone = new Product();
$iPhone->setName('iPhone');
$this->dm->persist($iPhone);
$this->dm->flush();
$appleTV->addMetadata($tvMetadata);
$samsungTV->addMetadata($tvMetadata);
$this->dm->persist($samsungTV);
$this->dm->persist($appleTV);
$this->dm->flush();
$this->assertEquals($appleTV->getMetadatas()->first(), $tvMetadata);
$this->assertEquals($samsungTV->getMetadatas()->first(), $tvMetadata);
$tvs = $tvCategory->getProducts();
$this->assertNotNull($tvs);
$first = $tvs->first();
$last = $tvs->last();
$this->assertInstanceOf(get_class($appleTV), $first);
$this->assertEquals('Apple TV', $first->getName());
$this->assertInstanceOf(get_class($samsungTV), $last);
$this->assertEquals('Samsung TV', $last->getName());
}