vendor/symfony/symfony/src/Symfony/Component/DomCrawler/Tests/FormTest.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\DomCrawler\Tests;

use PHPUnit\Framework\TestCase;
use Symfony\Component\DomCrawler\Form;
use Symfony\Component\DomCrawler\FormFieldRegistry;

class FormTest extends TestCase
{
    public static function setUpBeforeClass()
    {
        // Ensure that the private helper class FormFieldRegistry is loaded
        class_exists('Symfony\\Component\\DomCrawler\\Form');
    }

    public function testConstructorThrowsExceptionIfTheNodeHasNoFormAncestor()
    {
        $dom = new \DOMDocument();
        $dom->loadHTML('
            <html>
                <input type="submit" />
                <form>
                    <input type="foo" />
                </form>
                <button />
            </html>
        ');

        $nodes = $dom->getElementsByTagName('input');

        try {
            $form = new Form($nodes->item(0), 'http://example.com');
            $this->fail('__construct() throws a \\LogicException if the node has no form ancestor');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '__construct() throws a \\LogicException if the node has no form ancestor');
        }

        try {
            $form = new Form($nodes->item(1), 'http://example.com');
            $this->fail('__construct() throws a \\LogicException if the input type is not submit, button, or image');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '__construct() throws a \\LogicException if the input type is not submit, button, or image');
        }

        $nodes = $dom->getElementsByTagName('button');

        try {
            $form = new Form($nodes->item(0), 'http://example.com');
            $this->fail('__construct() throws a \\LogicException if the node has no form ancestor');
        } catch (\LogicException $e) {