TextareaFormField example

namespace Symfony\Component\DomCrawler\Tests\Field;

use Symfony\Component\DomCrawler\Field\TextareaFormField;

class TextareaFormFieldTest extends FormFieldTestCase
{
    public function testInitialize()
    {
        $node = $this->createNode('textarea', 'foo bar');
        $field = new TextareaFormField($node);

        $this->assertEquals('foo bar', $field->getValue(), '->initialize() sets the value of the field to the textarea node value');

        $node = $this->createNode('input', '');
        try {
            new TextareaFormField($node);
            $this->fail('->initialize() throws a \LogicException if the node is not a textarea');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '->initialize() throws a \LogicException if the node is not a textarea');
        }

        

            // fields already registered (see https://github.com/symfony/symfony/issues/11689)             if ($this->has($node->getAttribute('name')) && $this->get($node->getAttribute('name')) instanceof ChoiceFormField) {
                $this->get($node->getAttribute('name'))->addChoice($node);
            } else {
                $this->set(new Field\ChoiceFormField($node));
            }
        } elseif ('input' == $nodeName && 'file' == strtolower($node->getAttribute('type'))) {
            $this->set(new Field\FileFormField($node));
        } elseif ('input' == $nodeName && !\in_array(strtolower($node->getAttribute('type')), ['submit', 'button', 'image'])) {
            $this->set(new Field\InputFormField($node));
        } elseif ('textarea' == $nodeName) {
            $this->set(new Field\TextareaFormField($node));
        }
    }
}