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ComparisonEventTest.php
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ComparisonEventTest.php
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<?php
namespace Doctrine\Tests\ORM\Functional;
use Doctrine\ORM\Event\OnComparisonEventArgs;
use Doctrine\ORM\Events;
use Doctrine\Tests\Models\CMS\CmsUser;
use Doctrine\Tests\OrmFunctionalTestCase;
/**
* ComparisonEventTest
*
* @author Carlos Dominguez <ixarlie@gmail.com>
*/
class ComparisonEventTest extends OrmFunctionalTestCase
{
/**
* @var ComparisonListener
*/
private $listener;
protected function setUp()
{
$this->useModelSet('cms');
parent::setUp();
$this->listener = new ComparisonListener();
$evm = $this->_em->getEventManager();
$evm->addEventListener(Events::onComparison, $this->listener);
}
public function testListenerShouldBeNotified()
{
$this->_em->persist($this->createNewValidUser());
$this->_em->flush();
$this->assertFalse($this->listener->wasNotified);
$this->assertCount(0, $this->listener->receivedArgs);
}
public function testListenerShouldBeNotifierComputeChangeSet()
{
$user = $this->createNewValidUser();
$this->_em->persist($user);
$this->_em->flush();
$this->_em->clear();
$user = $this->_em->find(CmsUser::class, $user->getId());
$originalValue = $user->username;
$user->username = 'foo';
$this->_em->getUnitOfWork()->computeChangeSet(
$this->_em->getClassMetadata(CmsUser::class),
$user
);
$this->assertCount(1, $this->listener->receivedArgs);
/** @var OnComparisonEventArgs $args */
$args = $this->listener->receivedArgs[0];
$this->assertSame($this->_em, $args->getObjectManager());
$this->assertSame($user, $args->getObject());
$this->assertSame('username', $args->getPropertyName());
$this->assertSame($originalValue, $args->getOriginalValue());
$this->assertSame('foo', $args->getActualValue());
$this->assertNotSame(0, $args->getComparisonResult());
$this->assertTrue($this->listener->wasNotified);
$changeSet = $this->_em->getUnitOfWork()->getEntityChangeSet($user);
$this->assertCount(1, $changeSet);
$this->assertArrayHasKey('username', $changeSet);
$this->assertSame($originalValue, $changeSet['username'][0]);
$this->assertSame($user->username, $changeSet['username'][1]);
}
public function testListenerShouldBeNotifierRecomputeChangeSet()
{
$user = $this->createNewValidUser();
$this->_em->persist($user);
$this->_em->flush();
$this->_em->clear();
$user = $this->_em->find(CmsUser::class, $user->getId());
$originalValue = $user->username;
$user->username = 'foo';
$this->_em->getUnitOfWork()->recomputeSingleEntityChangeSet(
$this->_em->getClassMetadata(CmsUser::class),
$user
);
$this->assertCount(1, $this->listener->receivedArgs);
/** @var OnComparisonEventArgs $args */
$args = $this->listener->receivedArgs[0];
$this->assertSame($this->_em, $args->getObjectManager());
$this->assertSame($user, $args->getObject());
$this->assertSame('username', $args->getPropertyName());
$this->assertSame($originalValue, $args->getOriginalValue());
$this->assertSame('foo', $args->getActualValue());
$this->assertNotSame(0, $args->getComparisonResult());
$this->assertTrue($this->listener->wasNotified);
$changeSet = $this->_em->getUnitOfWork()->getEntityChangeSet($user);
$this->assertCount(1, $changeSet);
$this->assertArrayHasKey('username', $changeSet);
$this->assertSame($originalValue, $changeSet['username'][0]);
$this->assertSame($user->username, $changeSet['username'][1]);
}
/**
* @return CmsUser
*/
private function createNewValidUser()
{
$user = new CmsUser();
$user->username = 'dfreudenberger';
$user->name = 'Daniel Freudenberger';
return $user;
}
}
class ComparisonListener
{
/**
* @var bool
*/
public $wasNotified = false;
/**
* @var OnComparisonEventArgs
*/
public $receivedArgs = [];
/**
* @param OnComparisonEventArgs $args
*/
public function onComparison(OnComparisonEventArgs $args)
{
$this->wasNotified = true;
if ($args->getOriginalValue() === $args->getActualValue()) {
$args->setComparisonResult(0);
} else {
$args->setComparisonResult(1);
$this->receivedArgs[] = $args;
}
}
}