public function testSettingItemsControlMapper_RelatedPairsUsingDao()
    {
        $doctrine = $this->getMockBuilder('Kdyby\Doctrine\Registry')
            ->disableOriginalConstructor()
            ->getMock();

        // metadata
        $doctrine->expects($this->at(0))
            ->method('getClassMetadata')
            ->with($this->equalTo(__NAMESPACE__ . '\Fixtures\RootEntity'))
            ->will($this->returnValue($this->getMetadata(__NAMESPACE__ . '\Fixtures\RootEntity')));
        $doctrine->expects($this->at(1))
            ->method('getClassMetadata')
            ->with($this->equalTo(__NAMESPACE__ . '\Fixtures\RelatedEntity'))
            ->will($this->returnValue($this->getMetadata(__NAMESPACE__ . '\Fixtures\RelatedEntity')));

        // tested control dependencies
        $entity = new Fixtures\RootEntity("Chuck Norris");
        $container = new EntityContainer($entity);
        $container['children'] = $select = new Nette\Forms\Controls\SelectBox;

        // control mapper will require DAO
        $relatedDao = $this->getMockBuilder('Kdyby\Doctrine\Dao')
            ->disableOriginalConstructor()
            ->getMock();
        $doctrine->expects($this->once())
            ->method('getDao')
            ->with($this->equalTo(__NAMESPACE__ . '\Fixtures\RelatedEntity'))
            ->will($this->returnValue($relatedDao));

        // assign & create mapper
        $entityMapper = new EntityMapper($doctrine);
        $entityMapper->assign($entity, $container);

        // by default, there is no mapper
        $this->assertNull($entityMapper->getControlMapper($select));
        $entityMapper->setControlMapper($select, 'name', 'id');

        // mapper should be closure
        $mapper = $entityMapper->getControlMapper($select);
        $this->assertInstanceOf('Closure', $mapper);

        $relatedDao->expects($this->atLeastOnce())
            ->method('fetchPairs')
            ->with($this->isInstanceOf('Kdyby\Doctrine\Forms\ItemPairsQuery'))
            ->will($this->returnValue($items = array(1 => 'Lorem')));

        // map to control
        $entityMapper->loadControlItems();
        $this->assertEquals($items, $select->getItems());
    }