function ImageFieldDisplayTest::testImageLoadingAttribute

Tests for image loading attribute settings.

File

core/modules/image/tests/src/Functional/ImageFieldDisplayTest.php, line 364

Class

ImageFieldDisplayTest

Tests the display of image fields.

Namespace

Code

public function testImageLoadingAttribute() : void {
  /** @var \Drupal\Core\Render\RendererInterface $renderer */
  $renderer = $this->container
    ->get('renderer');
  $node_storage = $this->container
    ->get('entity_type.manager')
    ->getStorage('node');
  $field_name = $this->randomMachineName();
  $field_settings = [
    'alt_field_required' => 0,
  ];
  $instance = $this->createImageField($field_name, 'node', 'article', [], $field_settings);
  // Go to manage display page.
  $this->drupalGet("admin/structure/types/manage/article/display");
  // Test for existence of link to image styles configuration.
  $this->submitForm([], "{$field_name}_settings_edit");
  $this->assertSession()
    ->linkByHrefExists(Url::fromRoute('entity.image_style.collection')->toString(), 0, 'Link to image styles configuration is found');
  // Remove 'administer image styles' permission from testing admin user.
  $admin_user_roles = $this->adminUser
    ->getRoles(TRUE);
  user_role_change_permissions(reset($admin_user_roles), [
    'administer image styles' => FALSE,
  ]);
  // Go to manage display page again.
  $this->drupalGet("admin/structure/types/manage/article/display");
  // Test for absence of link to image styles configuration.
  $this->submitForm([], "{$field_name}_settings_edit");
  $this->assertSession()
    ->linkByHrefNotExists(Url::fromRoute('entity.image_style.collection')->toString(), 'Link to image styles configuration is absent when permissions are insufficient');
  // Restore 'administer image styles' permission to testing admin user
  user_role_change_permissions(reset($admin_user_roles), [
    'administer image styles' => TRUE,
  ]);
  // Create a new node with an image attached.
  $test_image = current($this->drupalGetTestFiles('image'));
  // Ensure that preview works.
  $this->previewNodeImage($test_image, $field_name, 'article');
  // After previewing, make the alt field required. It cannot be required
  // during preview because the form validation will fail.
  $instance->setSetting('alt_field_required', 1);
  $instance->save();
  // Create alt text for the image.
  $alt = $this->randomMachineName();
  // Save node.
  $nid = $this->uploadNodeImage($test_image, $field_name, 'article', $alt);
  $node_storage->resetCache([
    $nid,
  ]);
  $node = $node_storage->load($nid);
  // Test that the default image loading attribute is being used.
  /** @var \Drupal\file\FileInterface $file */
  $file = $node->{$field_name}->entity;
  $image_uri = $file->getFileUri();
  $image = [
    '#theme' => 'image',
    '#uri' => $image_uri,
    '#width' => 40,
    '#height' => 20,
    '#alt' => $alt,
    '#attributes' => [
      'loading' => 'lazy',
    ],
  ];
  $default_output = str_replace("\n", '', (string) $renderer->renderRoot($image));
  $this->assertSession()
    ->responseContains($default_output);
  // Test overrides of image loading attribute.
  $display_options = [
    'type' => 'image',
    'settings' => [
      'image_link' => '',
      'image_style' => '',
      'image_loading' => [
        'attribute' => 'eager',
      ],
    ],
  ];
  $display = \Drupal::service('entity_display.repository')->getViewDisplay('node', $node->getType());
  $display->setComponent($field_name, $display_options)
    ->save();
  $image = [
    '#theme' => 'image',
    '#uri' => $image_uri,
    '#width' => 40,
    '#height' => 20,
    '#alt' => $alt,
    '#attributes' => [
      'loading' => 'eager',
    ],
  ];
  $default_output = (string) $renderer->renderRoot($image);
  $this->drupalGet('node/' . $nid);
  $this->assertSession()
    ->responseContains($default_output);
  // Test the image loading "priority" formatter works together with "image_style".
  $display_options['settings']['image_style'] = 'thumbnail';
  $display->setComponent($field_name, $display_options)
    ->save();
  // Ensure the derivative image is generated so we do not have to deal with
  // image style callback paths.
  $this->drupalGet(ImageStyle::load('thumbnail')->buildUrl($image_uri));
  $image_style = [
    '#theme' => 'image_style',
    '#uri' => $image_uri,
    '#width' => 40,
    '#height' => 20,
    '#style_name' => 'thumbnail',
    '#alt' => $alt,
    '#attributes' => [
      'loading' => 'eager',
    ],
  ];
  $default_output = (string) $renderer->renderRoot($image_style);
  $this->drupalGet('node/' . $nid);
  $this->assertSession()
    ->responseContains($default_output);
}