public function testRemoval()
{
$page = new Page();
$page->setTitle('Default page')->setSlug('default')->setEnabled(true);
$child = new Page();
$child->setTitle('Child page')->setSlug('child')->setEnabled(true)->setParent($page);
$page->addChild($child);
$kernel = static::getKernel();
/** @var EntityManager $em */
$em = $kernel->getContainer()->get('doctrine')->getManager();
$em->persist($page);
$em->persist($child);
$em->flush();
$page = $em->getRepository(get_class($page))->find($page->getId());
$children = $page->getChildren();
/** @var Page $first */
$first = $children[0];
$this->assertEquals($child->getId(), $first->getId());
$page->removeChild($child);
$child->setParent(null);
$em->remove($page);
$em->flush();
$child = $em->getRepository(get_class($child))->find($child->getId());
$this->assertNull($child->getParent());
}
