BookSettingsFormTest.php

<?php

declare (strict_types=1);
namespace Drupal\Tests\book\Kernel;

use Drupal\book\Form\BookSettingsForm;
use Drupal\Core\Form\FormState;
use Drupal\KernelTests\KernelTestBase;
use Drupal\Tests\node\Traits\ContentTypeCreationTrait;

/**
 * @covers \Drupal\book\Form\BookSettingsForm
 * @group book
 * @group legacy
 */
class BookSettingsFormTest extends KernelTestBase {
  use ContentTypeCreationTrait;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'book',
    'field',
    'node',
    'system',
    'text',
    'user',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installConfig([
      'book',
      'node',
    ]);
    $this->createContentType([
      'type' => 'chapter',
    ]);
    $this->createContentType([
      'type' => 'page',
    ]);
  }
  
  /**
   * Tests that submitted values are processed and saved correctly.
   */
  public function testConfigValuesSavedCorrectly() : void {
    $form_state = new FormState();
    $form_state->setValues([
      'book_allowed_types' => [
        'page',
        'chapter',
        '',
      ],
      'book_child_type' => 'page',
    ]);
    $this->container
      ->get('form_builder')
      ->submitForm(BookSettingsForm::class, $form_state);
    $config = $this->config('book.settings');
    $this->assertSame([
      'chapter',
      'page',
    ], $config->get('allowed_types'));
    $this->assertSame('page', $config->get('child_type'));
  }

}