preview example

// Preview settings for nav menus early so that the sections and controls will be added properly.         $nav_menus_setting_ids = array();
        foreach ( array_keys( $changeset ) as $setting_id ) {
            if ( preg_match( '/^(nav_menu_locations|nav_menu|nav_menu_item)\[/', $setting_id ) ) {
                $nav_menus_setting_ids[] = $setting_id;
            }
        }
        $settings = $this->manager->add_dynamic_settings( $nav_menus_setting_ids );
        if ( $this->manager->settings_previewed() ) {
            foreach ( $settings as $setting ) {
                $setting->preview();
            }
        }

        // Require JS-rendered control types.         $this->manager->register_panel_type( 'WP_Customize_Nav_Menus_Panel' );
        $this->manager->register_control_type( 'WP_Customize_Nav_Menu_Control' );
        $this->manager->register_control_type( 'WP_Customize_Nav_Menu_Name_Control' );
        $this->manager->register_control_type( 'WP_Customize_Nav_Menu_Locations_Control' );
        $this->manager->register_control_type( 'WP_Customize_Nav_Menu_Auto_Add_Control' );
        $this->manager->register_control_type( 'WP_Customize_Nav_Menu_Item_Control' );

        
protected function doTestFilters($display_id) {
    $comment = $this->comments[0];
    $comment_anonymous = $this->comments[1];
    /** @var \Drupal\Core\Session\AccountSwitcherInterface $account_switcher */
    $account_switcher = \Drupal::service('account_switcher');

    /** @var \Drupal\Core\Render\RendererInterface $renderer */
    $renderer = \Drupal::service('renderer');

    $account_switcher->switchTo($this->adminUser);
    $executable = Views::getView('comment');
    $build = $executable->preview($display_id);
    $this->setRawContent($renderer->renderRoot($build));

    // Assert the exposed filters on the admin page.     $this->assertField('subject');
    $this->assertField('author_name');
    $this->assertField('langcode');

    $elements = $this->cssSelect('input[type="checkbox"]');
    $this->assertCount(2, $elements, 'There are two comments on the page.');
    $this->assertText($comment->label());
    $this->assertText($comment_anonymous->label());
    
/** * Tests the computed field handler. */
  public function testComputedFieldHandler() {
    \Drupal::state()->set('entity_test_computed_field_item_list_value', ['computed string']);

    $entity = EntityTestComputedField::create([]);
    $entity->save();

    $view = Views::getView('computed_field_view');

    $rendered_view = $view->preview();
    $output = $this->container->get('renderer')->renderRoot($rendered_view);
    $this->assertStringContainsString('computed string', (string) $output);
  }

}
Context $context
    ): Response {
        $config = $request->query->get('config');
        $config = \is_string($config) ? json_decode($config, true, 512, \JSON_THROW_ON_ERROR) : [];

        $fileType = $request->query->getAlnum('fileType', FileTypes::PDF);
        $download = $request->query->getBoolean('download');
        $referencedDocumentId = $request->query->getAlnum('referencedDocumentId');

        $operation = new DocumentGenerateOperation($orderId$fileType$config$referencedDocumentId, false, true);

        $generatedDocument = $this->documentGenerator->preview($documentTypeName$operation$deepLinkCode$context);

        return $this->createResponse(
            $generatedDocument->getName(),
            $generatedDocument->getContent(),
            $download,
            $generatedDocument->getContentType()
        );
    }

    #[Route(path: '/api/_action/order/document/download', name: 'api.action.download.documents', methods: ['POST'], defaults: ['_acl' => ['document:read']])]     public function downloadDocuments(Request $request, Context $context): Response
    {
$this->installEntitySchema('user');
    $this->installEntitySchema('node');
    $this->installConfig(['filter']);
    ViewTestData::createTestViews(static::class['user_test_views']);

    $users[] = $this->createUser([], NULL, FALSE, ['uid' => 2]);
    $users[] = $this->createUser([], NULL, FALSE, ['uid' => 1]);
    $nodes[] = $this->createNode(['uid' => $users[0]->id()]);
    $nodes[] = $this->createNode(['uid' => $users[1]->id()]);

    $view = Views::getView('test_groupwise_user');
    $view->preview();
    $map = ['node_field_data_users_field_data_nid' => 'nid', 'uid' => 'uid'];
    $expected_result = [
      [
        'uid' => $users[1]->id(),
        'nid' => $nodes[1]->id(),
      ],
      [
        'uid' => $users[0]->id(),
        'nid' => $nodes[0]->id(),
      ],
    ];
    
// Mark the element as being prerendered, so other code like     // \Drupal\views\ViewExecutable::setCurrentPage knows that its no longer     // possible to manipulate the $element.     $view->element['#pre_rendered'] = TRUE;

    if (isset($element['#response'])) {
      $view->setResponse($element['#response']);
    }

    if ($view && $view->access($element['#display_id'])) {
      if (!empty($element['#embed'])) {
        $element['view_build'] = $view->preview($element['#display_id']$element['#arguments']);
      }
      else {
        // Add contextual links to the view. We need to attach them to the dummy         // $view_array variable, since contextual_preprocess() requires that they         // be attached to an array (not an object) in order to process them. For         // our purposes, it doesn't matter what we attach them to, since once they         // are processed by contextual_preprocess() they will appear in the         // $title_suffix variable (which we will then render in         // views-view.html.twig).         $view->setDisplay($element['#display_id']);
        // Add the result of the executed view as a child element so any
'table' => 'views_test_data',
        'field' => 'name',
        'relationship' => 'none',
        'alter' => [
          'text' => 'Amount of kittens: {{ age }}',
        ],
      ],
    ]);

    /** @var \Drupal\Core\Render\RendererInterface $renderer */
    $renderer = \Drupal::service('renderer');
    $preview = $view->preview();
    $output = $renderer->renderRoot($preview);

    $expected_text = 'Amount of kittens: ' . $view->style_plugin->getField(0, 'age');
    $this->assertStringContainsString($expected_text(string) $output, 'The views token has been successfully replaced.');
  }

  /** * Ensure that custom field content is XSS filtered. */
  public function testCustomFieldXss() {
    $view = Views::getView('test_view');
    
/** * Fires once WordPress has loaded, allowing scripts and styles to be initialized. * * @since 3.4.0 * * @param WP_Customize_Manager $manager WP_Customize_Manager instance. */
        do_action( 'customize_register', $this );

        if ( $this->settings_previewed() ) {
            foreach ( $this->settings as $setting ) {
                $setting->preview();
            }
        }

        if ( $this->is_preview() && ! is_admin() ) {
            $this->customize_preview_init();
        }
    }

    /** * Prevents Ajax requests from following redirects when previewing a theme * by issuing a 200 response instead of a 30x. * * Instead, the JS will sniff out the location header. * * @since 3.4.0 * @deprecated 4.7.0 * * @param int $status Status. * @return int */
$result = views_embed_view('test_argument', 'default', '1,2', 'John,George');
    $renderer->renderPlain($result);
    $this->assertCount(2, $result['view_build']['#view']->result);
  }

  /** * Tests the \Drupal\views\ViewsExecutable::preview() method. */
  public function testViewsPreview() {
    $view = Views::getView('test_argument');
    $result = $view->preview('default');
    $this->assertCount(5, $result['#view']->result);

    $view = Views::getView('test_argument');
    $result = $view->preview('default', ['0' => 1]);
    $this->assertCount(1, $result['#view']->result);

    $view = Views::getView('test_argument');
    $result = $view->preview('default', ['3' => 1]);
    $this->assertCount(1, $result['#view']->result);

    $view = Views::getView('test_argument');
    

class TestMediaFilterController extends MediaFilterController {

  /** * {@inheritdoc} */
  public function preview(Request $request, FilterFormatInterface $filter_format) {
    if (\Drupal::state()->get('test_media_filter_controller_throw_error', FALSE)) {
      throw new NotFoundHttpException();
    }
    return parent::preview($request$filter_format);
  }

}
// Check the test option.     $this->assertSame('', $view->display_handler->getOption('test_option'));

    $style = $view->display_handler->getOption('style');
    $style['type'] = 'test_style';
    $view->display_handler->setOption('style', $style);
    $view->initDisplay();
    $view->initStyle();
    $view->style_plugin->setUsesRowPlugin(FALSE);

    $output = $view->preview();
    $output = $renderer->renderRoot($output);

    $this->assertStringContainsString('<h1></h1>', $output, 'An empty value for test_option found in output.');

    // Change this option and check the title of out output.     $view->display_handler->overrideOption('test_option', 'Test option title');
    $view->save();

    $output = $view->preview();
    $output = $renderer->renderRoot($output);

    
$node->save();
    $this->doTestRenderedOutput($this->editorUser);
  }

  /** * Tests that rows are not cached when the none cache plugin is used. */
  public function testNoCaching() {
    $this->setCurrentUser($this->regularUser);
    $view = Views::getView('test_row_render_cache_none');
    $view->setDisplay();
    $view->preview();

    /** @var \Drupal\Core\Render\RenderCacheInterface $render_cache */
    $render_cache = $this->container->get('render_cache');

    /** @var \Drupal\views\Plugin\views\cache\CachePluginBase $cache_plugin */
    $cache_plugin = $view->display_handler->getPlugin('cache');

    foreach ($view->result as $row) {
      $keys = $cache_plugin->getRowCacheKeys($row);
      $cache = [
        '#cache' => [
          
      views_ui_contextual_links_suppress_push();

      $show_additional_queries = $config->get('ui.show.additional_queries');

      Timer::start('entity.view.preview_form');

      if ($show_additional_queries) {
        $this->startQueryCapture();
      }

      // Execute/get the view preview.       $preview = $executable->preview($display_id$args);

      if ($show_additional_queries) {
        $this->endQueryCapture();
      }

      $this->render_time = Timer::stop('entity.view.preview_form')['time'];

      views_ui_contextual_links_suppress_pop();

      // Prepare the query information and statistics to show either above or       // below the view preview.
    $title = $this->randomString();
    $view->setTitle($title);
    $this->assertEquals(Xss::filterAdmin($title)$view->getTitle());
  }

  /** * Tests the deconstructor to be sure that necessary objects are removed. */
  public function testDestroy() {
    $view = Views::getView('test_destroy');

    $view->preview();
    $view->destroy();

    $this->assertViewDestroy($view);
  }

  /** * Asserts that expected view properties have been unset by destroy(). * * @param \Drupal\views\ViewExecutable $view * The view executable. * * @internal */
    $block_content_revision = clone $block_content;
    $block_content_revision->setNewRevision();
    $block_content_revision->save();
    $column_map = [
      'revision_id' => 'revision_id',
      'id_1' => 'id_1',
      'block_content_field_data_block_content_field_revision_id' => 'block_content_field_data_block_content_field_revision_id',
    ];

    // Here should be two rows.     $view = Views::getView('test_block_content_revision_id');
    $view->preview(NULL, [$block_content->id()]);
    $resultset_id = [
      [
        'revision_id' => '1',
        'id_1' => '1',
        'block_content_field_data_block_content_field_revision_id' => '1',
      ],
      [
        'revision_id' => '2',
        'id_1' => '1',
        'block_content_field_data_block_content_field_revision_id' => '1',
      ],
    ];
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