FormThemeTokenParser example

private ?TranslatorInterface $translator;

    public function __construct(TranslatorInterface $translator = null)
    {
        $this->translator = $translator;
    }

    public function getTokenParsers(): array
    {
        return [
            // {% form_theme form "SomeBundle::widgets.twig" %}             new FormThemeTokenParser(),
        ];
    }

    public function getFunctions(): array
    {
        return [
            new TwigFunction('form_widget', null, ['node_class' => SearchAndRenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('form_errors', null, ['node_class' => SearchAndRenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('form_label', null, ['node_class' => SearchAndRenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('form_help', null, ['node_class' => SearchAndRenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('form_row', null, ['node_class' => SearchAndRenderBlockNode::class, 'is_safe' => ['html']]),
            

use Twig\Parser;
use Twig\Source;

class FormThemeTokenParserTest extends TestCase
{
    /** * @dataProvider getTestsForFormTheme */
    public function testCompile($source, $expected)
    {
        $env = new Environment($this->createMock(LoaderInterface::class), ['cache' => false, 'autoescape' => false, 'optimizations' => 0]);
        $env->addTokenParser(new FormThemeTokenParser());
        $source = new Source($source, '');
        $stream = $env->tokenize($source);
        $parser = new Parser($env);

        $expected->setSourceContext($source);

        $this->assertEquals($expected, $parser->parse($stream)->getNode('body')->getNode(0));
    }

    public static function getTestsForFormTheme()
    {