FormDataExtractor example

/** * @author Bernhard Schussek <bschussek@gmail.com> */
class FormDataExtractorTest extends TestCase
{
    use VarDumperTestTrait;

    private FormDataExtractor $dataExtractor;

    protected function setUp(): void
    {
        $this->dataExtractor = new FormDataExtractor();
    }

    public function testExtractConfiguration()
    {
        $form = $this->createBuilder('name')
            ->setType(new ResolvedFormType(new HiddenType()))
            ->getForm();

        $this->assertSame([
            'id' => 'name',
            'name' => 'name',
            

class FormDataCollectorTest extends TestCase
{
    private FormDataCollector $dataCollector;
    private FormFactory $factory;
    private FormInterface $form;
    private FormInterface $childForm;
    private FormView $view;
    private FormView $childView;

    protected function setUp(): void
    {
        $this->dataCollector = new FormDataCollector(new FormDataExtractor());
        $this->factory = new FormFactory(new FormRegistry([new CoreExtension()], new ResolvedFormTypeFactory()));
        $this->form = $this->createForm('name');
        $this->childForm = $this->createChildForm('child');
        $this->view = new FormView();
        $this->childView = new FormView();
    }

    public function testBuildPreliminaryFormTree()
    {
        $this->form->add($this->childForm);

        

use Symfony\Component\Form\Extension\DataCollector\DataCollectorExtension;
use Symfony\Component\Form\Extension\DataCollector\FormDataCollector;
use Symfony\Component\Form\Extension\DataCollector\FormDataExtractor;
use Symfony\Component\Form\Extension\DataCollector\Type\DataCollectorTypeExtension;

class DataCollectorExtensionTest extends TestCase
{
    private DataCollectorExtension $extension;

    protected function setUp(): void
    {
        $this->extension = new DataCollectorExtension(new FormDataCollector(new FormDataExtractor()));
    }

    public function testLoadTypeExtensions()
    {
        $typeExtensions = $this->extension->getTypeExtensions('Symfony\Component\Form\Extension\Core\Type\FormType');

        $this->assertIsArray($typeExtensions);
        $this->assertCount(1, $typeExtensions);
        $this->assertInstanceOf(DataCollectorTypeExtension::class, array_shift($typeExtensions));
    }
}

use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormFactory;
use Symfony\Component\Form\FormRegistry;
use Symfony\Component\Form\ResolvedFormTypeFactory;

class DataCollectorTypeExtensionTest extends TestCase
{
    private DataCollectorTypeExtension $extension;

    protected function setUp(): void
    {
        $this->extension = new DataCollectorTypeExtension(new FormDataCollector(new FormDataExtractor()));
    }

    public function testGetExtendedType()
    {
        $this->assertEquals(['Symfony\Component\Form\Extension\Core\Type\FormType'], $this->extension::getExtendedTypes());
    }

    public function testBuildForm()
    {
        $eventDispatcher = new EventDispatcher();
        $this->assertFalse($eventDispatcher->hasListeners(FormEvents::PRE_SET_DATA));