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<?php
declare(strict_types=1);
namespace Doctrine\Tests\ORM\Functional;
use Doctrine\ORM\Query;
use Doctrine\Tests\Models\CMS\CmsAddress;
use Doctrine\Tests\Models\CMS\CmsPhonenumber;
use Doctrine\Tests\Models\CMS\CmsUser;
use Doctrine\Tests\OrmFunctionalTestCase;
use PHPUnit\Framework\Attributes\Group;
/**
* IdentityMapTest
*
* Tests correct behavior and usage of the identity map. Local values and associations
* that are already fetched always prevail, unless explicitly refreshed.
*/
class IdentityMapTest extends OrmFunctionalTestCase
{
protected function setUp(): void
{
$this->useModelSet('cms');
parent::setUp();
}
public function testBasicIdentityManagement(): void
{
$user = new CmsUser();
$user->status = 'dev';
$user->username = 'romanb';
$user->name = 'Roman B.';
$address = new CmsAddress();
$address->country = 'de';
$address->zip = 1234;
$address->city = 'Berlin';
$user->setAddress($address);
$this->_em->persist($user);
$this->_em->flush();
$this->_em->clear();
$user2 = $this->_em->find($user::class, $user->getId());
self::assertNotSame($user2, $user);
$user3 = $this->_em->find($user::class, $user->getId());
self::assertSame($user2, $user3);
$address2 = $this->_em->find($address::class, $address->getId());
self::assertNotSame($address2, $address);
$address3 = $this->_em->find($address::class, $address->getId());
self::assertSame($address2, $address3);
self::assertSame($user2->getAddress(), $address2); // !!!
}
public function testSingleValuedAssociationIdentityMapBehaviorWithRefresh(): void
{
$address = new CmsAddress();
$address->country = 'de';
$address->zip = '12345';
$address->city = 'Berlin';
$user1 = new CmsUser();
$user1->status = 'dev';
$user1->username = 'romanb';
$user1->name = 'Roman B.';
$user2 = new CmsUser();
$user2->status = 'dev';
$user2->username = 'gblanco';
$user2->name = 'Guilherme Blanco';
$address->setUser($user1);
$this->_em->persist($address);
$this->_em->persist($user1);
$this->_em->persist($user2);
$this->_em->flush();
self::assertSame($user1, $address->user);
//external update to CmsAddress
$this->_em->getConnection()->executeStatement('update cms_addresses set user_id = ?', [$user2->getId()]);
// But we want to have this external change!
// Solution 1: refresh(), broken atm!
$this->_em->refresh($address);
// Now the association should be "correct", referencing $user2
self::assertSame($user2, $address->user);
self::assertSame($user2->address, $address); // check back reference also
// Attention! refreshes can result in broken bidirectional associations! this is currently expected!
// $user1 still points to $address!
self::assertSame($user1->address, $address);
}
public function testSingleValuedAssociationIdentityMapBehaviorWithRefreshQuery(): void
{
$address = new CmsAddress();
$address->country = 'de';
$address->zip = '12345';
$address->city = 'Berlin';
$user1 = new CmsUser();
$user1->status = 'dev';
$user1->username = 'romanb';
$user1->name = 'Roman B.';
$user2 = new CmsUser();
$user2->status = 'dev';
$user2->username = 'gblanco';
$user2->name = 'Guilherme Blanco';
$address->setUser($user1);
$this->_em->persist($address);
$this->_em->persist($user1);
$this->_em->persist($user2);
$this->_em->flush();
self::assertSame($user1, $address->user);
//external update to CmsAddress
$this->_em->getConnection()->executeStatement('update cms_addresses set user_id = ?', [$user2->getId()]);
//select
$q = $this->_em->createQuery('select a, u from Doctrine\Tests\Models\CMS\CmsAddress a join a.user u');
$address2 = $q->getSingleResult();
self::assertSame($address, $address2);
// Should still be $user1
self::assertSame($user1, $address2->user);
self::assertNull($user2->address);
// But we want to have this external change!
// Solution 2: Alternatively, a refresh query should work
$q = $this->_em->createQuery('select a, u from Doctrine\Tests\Models\CMS\CmsAddress a join a.user u');
$q->setHint(Query::HINT_REFRESH, true);
$address3 = $q->getSingleResult();
self::assertSame($address, $address3); // should still be the same, always from identity map
// Now the association should be "correct", referencing $user2
self::assertSame($user2, $address2->user);
self::assertSame($user2->address, $address2); // check back reference also
// Attention! refreshes can result in broken bidirectional associations! this is currently expected!
// $user1 still points to $address2!
self::assertSame($user1->address, $address2);
}
public function testCollectionValuedAssociationIdentityMapBehaviorWithRefreshQuery(): void
{
$user = new CmsUser();
$user->status = 'dev';
$user->username = 'romanb';
$user->name = 'Roman B.';
$phone1 = new CmsPhonenumber();
$phone1->phonenumber = 123;
$phone2 = new CmsPhonenumber();
$phone2->phonenumber = 234;
$phone3 = new CmsPhonenumber();
$phone3->phonenumber = 345;
$user->addPhonenumber($phone1);
$user->addPhonenumber($phone2);
$user->addPhonenumber($phone3);
$this->_em->persist($user); // cascaded to phone numbers
$this->_em->flush();
self::assertCount(3, $user->getPhonenumbers());
self::assertFalse($user->getPhonenumbers()->isDirty());
//external update to CmsAddress
$this->_em->getConnection()->executeStatement('insert into cms_phonenumbers (phonenumber, user_id) VALUES (?,?)', [999, $user->getId()]);
//select
$q = $this->_em->createQuery('select u, p from Doctrine\Tests\Models\CMS\CmsUser u join u.phonenumbers p');
$user2 = $q->getSingleResult();
self::assertSame($user, $user2);
// Should still be the same 3 phonenumbers
self::assertCount(3, $user2->getPhonenumbers());
// But we want to have this external change!
// Solution 1: refresh().
//$this->_em->refresh($user2); broken atm!
// Solution 2: Alternatively, a refresh query should work
$q = $this->_em->createQuery('select u, p from Doctrine\Tests\Models\CMS\CmsUser u join u.phonenumbers p');
$q->setHint(Query::HINT_REFRESH, true);
$user3 = $q->getSingleResult();
self::assertSame($user, $user3); // should still be the same, always from identity map
// Now the collection should be refreshed with correct count
self::assertCount(4, $user3->getPhonenumbers());
}
#[Group('non-cacheable')]
public function testCollectionValuedAssociationIdentityMapBehaviorWithRefresh(): void
{
$user = new CmsUser();
$user->status = 'dev';
$user->username = 'romanb';
$user->name = 'Roman B.';
$phone1 = new CmsPhonenumber();
$phone1->phonenumber = 123;
$phone2 = new CmsPhonenumber();
$phone2->phonenumber = 234;
$phone3 = new CmsPhonenumber();
$phone3->phonenumber = 345;
$user->addPhonenumber($phone1);
$user->addPhonenumber($phone2);
$user->addPhonenumber($phone3);
$this->_em->persist($user); // cascaded to phone numbers
$this->_em->flush();
self::assertCount(3, $user->getPhonenumbers());
//external update to CmsAddress
$this->_em->getConnection()->executeStatement('insert into cms_phonenumbers (phonenumber, user_id) VALUES (?,?)', [999, $user->getId()]);
//select
$q = $this->_em->createQuery('select u, p from Doctrine\Tests\Models\CMS\CmsUser u join u.phonenumbers p');
$user2 = $q->getSingleResult();
self::assertSame($user, $user2);
// Should still be the same 3 phonenumbers
self::assertCount(3, $user2->getPhonenumbers());
// But we want to have this external change!
// Solution 1: refresh().
$this->_em->refresh($user2);
self::assertSame($user, $user2); // should still be the same, always from identity map
// Now the collection should be refreshed with correct count
self::assertCount(4, $user2->getPhonenumbers());
}
}
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