ArbitraryRebuildTest.php

<?php

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

use Drupal\field\Entity\FieldConfig;
use Drupal\field\Entity\FieldStorageConfig;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests altering forms to be rebuilt so there are multiple steps.
 *
 * @group Form
 */
class ArbitraryRebuildTest extends BrowserTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'text',
        'form_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Auto-create a field for testing.
        FieldStorageConfig::create([
            'entity_type' => 'user',
            'field_name' => 'test_multiple',
            'type' => 'text',
            'cardinality' => -1,
            'translatable' => FALSE,
        ])->save();
        FieldConfig::create([
            'entity_type' => 'user',
            'field_name' => 'test_multiple',
            'bundle' => 'user',
            'label' => 'Test a multiple valued field',
        ])->save();
        \Drupal::service('entity_display.repository')->getFormDisplay('user', 'user', 'register')
            ->setComponent('test_multiple', [
            'type' => 'text_textfield',
            'weight' => 0,
        ])
            ->save();
    }
    
    /**
     * Tests a basic rebuild with the user registration form.
     */
    public function testUserRegistrationRebuild() : void {
        $edit = [
            'name' => 'foo',
            'mail' => 'bar@example.com',
        ];
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Rebuild');
        $this->assertSession()
            ->pageTextContains('Form rebuilt.');
        $this->assertSession()
            ->fieldValueEquals('name', 'foo');
        $this->assertSession()
            ->fieldValueEquals('mail', 'bar@example.com');
    }
    
    /**
     * Tests a rebuild caused by a multiple value field.
     */
    public function testUserRegistrationMultipleField() : void {
        $edit = [
            'name' => 'foo',
            'mail' => 'bar@example.com',
        ];
        $this->drupalGet('user/register');
        $this->submitForm($edit, 'Add another item');
        $this->assertSession()
            ->pageTextContains('Test a multiple valued field');
        $this->assertSession()
            ->fieldValueEquals('name', 'foo');
        $this->assertSession()
            ->fieldValueEquals('mail', 'bar@example.com');
    }

}