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doctrine2/tests/Doctrine/Tests/ORM/Functional/OneToOneSelfReferentialAssociationTest.php

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<?php
namespace Doctrine\Tests\ORM\Functional;
use Doctrine\Tests\Models\ECommerce\ECommerceCustomer;
use Doctrine\ORM\Mapping\AssociationMapping;
require_once __DIR__ . '/../../TestInit.php';
/**
* Tests a self referential one-to-one association mapping (without inheritance).
* Relation is defined as the mentor that a customer choose. The mentor could
* help only one other customer, while a customer can choose only one mentor
* for receiving support.
* Inverse side is not present.
*/
class OneToOneSelfReferentialAssociationTest extends \Doctrine\Tests\OrmFunctionalTestCase
{
private $customer;
private $mentor;
protected function setUp()
{
$this->useModelSet('ecommerce');
parent::setUp();
$this->customer = new ECommerceCustomer();
$this->customer->setName('Anakin Skywalker');
$this->mentor = new ECommerceCustomer();
$this->mentor->setName('Obi-wan Kenobi');
}
public function testSavesAOneToOneAssociationWithCascadeSaveSet() {
$this->customer->setMentor($this->mentor);
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$this->_em->persist($this->customer);
$this->_em->flush();
$this->assertForeignKeyIs($this->mentor->getId());
}
public function testRemovesOneToOneAssociation()
{
$this->customer->setMentor($this->mentor);
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$this->_em->persist($this->customer);
$this->customer->removeMentor();
$this->_em->flush();
$this->assertForeignKeyIs(null);
}
public function testEagerLoadsAssociation()
{
$this->_createFixture();
$query = $this->_em->createQuery('select c, m from Doctrine\Tests\Models\ECommerce\ECommerceCustomer c left join c.mentor m order by c.id asc');
$result = $query->getResultList();
$customer = $result[0];
$this->assertLoadingOfAssociation($customer);
}
public function testLazyLoadsAssociation()
{
$this->_createFixture();
$this->_em->getConfiguration()->setAllowPartialObjects(false);
$metadata = $this->_em->getClassMetadata('Doctrine\Tests\Models\ECommerce\ECommerceCustomer');
$metadata->getAssociationMapping('mentor')->fetchMode = AssociationMapping::FETCH_LAZY;
$query = $this->_em->createQuery('select c from Doctrine\Tests\Models\ECommerce\ECommerceCustomer c');
$result = $query->getResultList();
$customer = $result[0];
$this->assertLoadingOfAssociation($customer);
}
public function assertLoadingOfAssociation($customer)
{
$this->assertTrue($customer->getMentor() instanceof ECommerceCustomer);
$this->assertEquals('Obi-wan Kenobi', $customer->getMentor()->getName());
}
public function assertForeignKeyIs($value) {
$foreignKey = $this->_em->getConnection()->execute('SELECT mentor_id FROM ecommerce_customers WHERE id=?', array($this->customer->getId()))->fetchColumn();
$this->assertEquals($value, $foreignKey);
}
private function _createFixture()
{
$customer = new ECommerceCustomer;
$customer->setName('Luke Skywalker');
$mentor = new ECommerceCustomer;
$mentor->setName('Obi-wan Kenobi');
$customer->setMentor($mentor);
$this->_em->persist($customer);
$this->_em->flush();
$this->_em->clear();
}
}