RecipeFormInputTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\system\Functional\Form;

use Drupal\Tests\BrowserTestBase;

/**
 * @covers \Drupal\Core\Recipe\RecipeInputFormTrait
 * @group system
 */
class RecipeFormInputTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'form_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests collecting recipe input via a form.
     */
    public function testRecipeInputViaForm() : void {
        $this->drupalGet('/form-test/recipe-input');
        $assert_session = $this->assertSession();
        // There should only be one nested input element on the page: the one
        // defined by the input_test recipe.
        $assert_session->elementsCount('css', 'input[name*="["]', 1);
        // The default value and description should be visible.
        $assert_session->fieldValueEquals('input_test[owner]', 'Dries Buytaert');
        $assert_session->pageTextContains('The name of the site owner.');
        // All recipe inputs are required.
        $this->submitForm([
            'input_test[owner]' => '',
        ], 'Apply recipe');
        $assert_session->statusMessageContains("Site owner's name field is required.", 'error');
        // All inputs should be validated with their own constraints.
        $this->submitForm([
            'input_test[owner]' => 'Hacker Joe',
        ], 'Apply recipe');
        $assert_session->statusMessageContains("I don't think you should be owning sites.", 'error');
        // The correct element should be flagged as invalid.
        $assert_session->elementAttributeExists('named', [
            'field',
            'input_test[owner]',
        ], 'aria-invalid');
        // Submit the form with a valid value and apply the recipe, to prove that
        // it was passed through correctly.
        $this->submitForm([
            'input_test[owner]' => 'Legitimate Human',
        ], 'Apply recipe');
        $this->assertSame("Legitimate Human's Turf", $this->config('system.site')
            ->get('name'));
    }

}