getFieldChoices example

$this->assertSame(['username.max_length'], iterator_to_array($errors));
    }

    public function testFieldTranslatedErrors()
    {
        $errors = $this->translatorExtension->getFieldErrors($this->view->children['username']);
        $this->assertSame(['username.max_length'], iterator_to_array($errors));
    }

    public function testFieldChoicesFlat()
    {
        $choices = $this->rawExtension->getFieldChoices($this->view->children['choice_flat']);

        $choicesArray = [];
        foreach ($choices as $label => $value) {
            $choicesArray[] = ['label' => $label, 'value' => $value];
        }

        $this->assertCount(2, $choicesArray);

        $this->assertSame('yes', $choicesArray[0]['value']);
        $this->assertSame('base.yes', $choicesArray[0]['label']);

        

new TwigFunction('form_rest', null, ['node_class' => SearchAndRenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('form', null, ['node_class' => RenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('form_start', null, ['node_class' => RenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('form_end', null, ['node_class' => RenderBlockNode::class, 'is_safe' => ['html']]),
            new TwigFunction('csrf_token', [FormRenderer::class, 'renderCsrfToken']),
            new TwigFunction('form_parent', 'Symfony\Bridge\Twig\Extension\twig_get_form_parent'),
            new TwigFunction('field_name', $this->getFieldName(...)),
            new TwigFunction('field_value', $this->getFieldValue(...)),
            new TwigFunction('field_label', $this->getFieldLabel(...)),
            new TwigFunction('field_help', $this->getFieldHelp(...)),
            new TwigFunction('field_errors', $this->getFieldErrors(...)),
            new TwigFunction('field_choices', $this->getFieldChoices(...)),
        ];
    }

    public function getFilters(): array
    {
        return [
            new TwigFilter('humanize', [FormRenderer::class, 'humanize']),
            new TwigFilter('form_encode_currency', [FormRenderer::class, 'encodeCurrency'], ['is_safe' => ['html'], 'needs_environment' => true]),
        ];
    }