class ImageFieldWidgetMultipleTest

class ImageFieldWidgetMultipleTest extends WebDriverTestBase {
  use ImageFieldCreationTrait;
  use TestFileCreationTrait;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'node',
    'field_ui',
    'image',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Tests image widget element support multiple upload correctly.
   */
  public function testWidgetElementMultipleUploads() : void {
    $image_factory = \Drupal::service('image.factory');
    $file_system = \Drupal::service('file_system');
    $web_driver = $this->getSession()
      ->getDriver();
    $this->drupalCreateContentType([
      'type' => 'article',
      'name' => 'Article',
    ]);
    $field_name = 'images';
    $storage_settings = [
      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
    ];
    $field_settings = [
      'alt_field_required' => 0,
    ];
    $this->createImageField($field_name, 'article', $storage_settings, $field_settings);
    $this->drupalLogin($this->drupalCreateUser([
      'access content',
      'create article content',
    ]));
    $this->drupalGet('node/add/article');
    $this->assertSession()
      ->fieldExists('title[0][value]')
      ->setValue('Test');
    $images = $this->getTestFiles('image');
    $images = array_slice($images, 0, 5);
    $paths = [];
    foreach ($images as $image) {
      $paths[] = $file_system->realpath($image->uri);
    }
    $remote_paths = [];
    foreach ($paths as $path) {
      $remote_paths[] = $web_driver->uploadFileAndGetRemoteFilePath($path);
    }
    $multiple_field = $this->assertSession()
      ->elementExists('xpath', '//input[@multiple]');
    $multiple_field->setValue(implode("\n", $remote_paths));
    $this->assertSession()
      ->waitForElementVisible('css', '[data-drupal-selector="edit-images-4-preview"]');
    $this->getSession()
      ->getPage()
      ->findButton('Save')
      ->click();
    $node = Node::load(1);
    foreach ($paths as $delta => $path) {
      $node_image = $node->{$field_name}[$delta];
      $original_image = $image_factory->get($path);
      $this->assertEquals($original_image->getWidth(), $node_image->width, "Correct width of image #{$delta}");
      $this->assertEquals($original_image->getHeight(), $node_image->height, "Correct height of image #{$delta}");
    }
  }

}