trait BlazyUnitTestTrait in Blazy 8.2

trait BlazyUnitTestTrait {
  use BlazyPropertiesTestTrait;

  /**
   * The formatter settings.
   *
   * @var array
   */
  protected $formatterSettings = [];

  /**
   * Returns sensible formatter settings for testing purposes.
   *
   * @return array
   *   The formatter settings.
   */
  protected function getFormatterSettings() {
    $defaults = [
      'box_caption' => 'custom',
      'box_style' => 'large',
      'cache' => 0,
      'image_style' => 'blazy_crop',
      'media_switch' => 'blazy_test',
      'thumbnail_style' => 'thumbnail',
      'ratio' => 'fluid',
      'caption' => [
        'alt' => 'alt',
        'title' => 'title',
      ],
      'sizes' => '100w',
    ] + BlazyDefault::extendedSettings() + BlazyDefault::itemSettings() + $this
      ->getDefaultFieldDefinition();
    return empty($this->formatterSettings) ? $defaults : array_merge($defaults, $this->formatterSettings);
  }

  /**
   * Sets formatter settings.
   *
   * @param array $settings
   *   The given settings.
   *
   * @return $this
   *   The class instance that this method is called on.
   */
  protected function setFormatterSettings(array $settings = []) {
    $this->formatterSettings = array_merge($this
      ->getFormatterSettings(), $settings);
    return $this;
  }

  /**
   * Sets formatter setting.
   *
   * @param string $setting
   *   The given setting.
   * @param mixed|bool|string $value
   *   The given value.
   *
   * @return $this
   *   The class instance that this method is called on.
   */
  protected function setFormatterSetting($setting, $value) {
    $this->formatterSettings[$setting] = $value;
    return $this;
  }

  /**
   * Returns the default field definition.
   *
   * @return array
   *   The default field definition.
   */
  protected function getDefaultFieldDefinition() {
    return [
      'bundle' => isset($this->bundle) ? $this->bundle : 'bundle_test',
      'current_view_mode' => 'default',
      'entity_type' => $this->entityType,
      'field_name' => $this->testFieldName,
      'field_type' => 'image',
    ];
  }

  /**
   * Returns the default field formatter definition.
   *
   * @return array
   *   The default field formatter settings.
   */
  protected function getDefaultFormatterDefinition() {

    // @todo Will be replaced by `form` array below.
    $deprecated = [
      'grid_form' => TRUE,
      'image_style_form' => TRUE,
      'fieldable_form' => TRUE,
      'media_switch_form' => TRUE,
    ];
    return [
      'background' => TRUE,
      'box_captions' => TRUE,
      'captions' => [
        'alt' => 'Alt',
        'title' => 'Title',
      ],
      'classes' => [
        'field_class' => 'Classes',
      ],
      'multimedia' => TRUE,
      'images' => [
        $this->testFieldName => $this->testFieldName,
      ],
      'layouts' => [
        'top' => 'Top',
      ],
      'links' => [
        'field_link' => 'Link',
      ],
      'namespace' => 'blazy',
      'responsive_image' => TRUE,
      'thumbnail_style' => TRUE,
      'skins' => [
        'classic' => 'Classic',
      ],
      'style' => 'grid',
      'target_type' => 'file',
      'titles' => [
        'field_text' => 'Text',
      ],
      'view_mode' => 'default',
      'settings' => $this
        ->getFormatterSettings(),
      'form' => [
        'fieldable',
        'grid',
        'image_style',
        'media_switch',
      ],
    ] + $deprecated + $this
      ->getDefaultFieldDefinition();
  }

  /**
   * Returns the default field formatter definition.
   *
   * @return array
   *   The default field formatter settings.
   */
  protected function getDefaulEntityFormatterDefinition() {
    return [
      'nav' => TRUE,
      'overlays' => [
        'field_image' => 'Image',
      ],
      'vanilla' => TRUE,
      'optionsets' => [
        'default' => 'Default',
      ],
      'thumbnails' => TRUE,
      'thumbnail_effect' => [
        'grid',
        'hover',
      ],
      'thumbnail_style' => TRUE,
      'thumb_captions' => [
        'field_text' => 'Text',
      ],
      'thumb_positions' => TRUE,
      'caches' => TRUE,
    ];
  }

  /**
   * Returns the field formatter definition along with settings.
   *
   * @return array
   *   The field formatter settings.
   */
  protected function getFormatterDefinition() {
    $defaults = $this
      ->getDefaultFormatterDefinition();
    return empty($this->formatterDefinition) ? $defaults : array_merge($defaults, $this->formatterDefinition);
  }

  /**
   * Sets the field formatter definition.
   *
   * @param string $definition
   *   The key definition defining scope for form elements.
   * @param mixed|string|bool $value
   *   The defined value.
   *
   * @return $this
   *   The class instance that this method is called on.
   */
  protected function setFormatterDefinition($definition, $value) {
    $this->formatterDefinition[$definition] = $value;
    return $this;
  }

  /**
   * Return dummy cache metadata.
   */
  protected function getCacheMetaData() {
    $build = [];
    $suffixes[] = 3;
    foreach ([
      'contexts',
      'keys',
      'tags',
    ] as $key) {
      if ($key == 'contexts') {
        $cache = [
          'languages',
        ];
      }
      elseif ($key == 'keys') {
        $cache = [
          'blazy_image',
        ];
      }
      elseif ($key == 'tags') {
        $cache = Cache::buildTags('file:123', $suffixes, '.');
      }
      $build['cache_' . $key] = $cache;
    }
    return $build;
  }

  /**
   * Pre render Blazy image.
   *
   * @param array $build
   *   The data containing: settings and image item.
   *
   * @return array
   *   The pre_render element.
   */
  protected function doPreRenderImage(array $build = []) {
    $image = $this->blazyManager
      ->getBlazy($build);
    $image['#build']['settings'] = array_merge($this
      ->getCacheMetaData(), $build['settings']);
    $image['#build']['item'] = $build['item'];
    return $this->blazyManager
      ->preRenderBlazy($image);
  }

  /**
   * Returns dummy fields for an entity reference.
   *
   * @return array
   *   A common field array for Blazy related entity reference formatter.
   */
  protected function getDefaultFields($select = FALSE) {
    $fields = [
      'field_class' => 'text',
      'field_id' => 'text',
      'field_image' => 'image',
      'field_layout' => 'list_string',
      'field_link' => 'link',
      'field_title' => 'text',
      'field_teaser' => 'text',
    ];
    $options = [];
    foreach (array_keys($fields) as $key) {
      if (in_array($key, [
        'field_id',
        'field_teaser',
      ])) {
        continue;
      }
      $option = str_replace('field_', '', $key);
      $options[$option] = $key;
    }
    return $select ? $options : $fields;
  }

  /**
   * Set up Blazy variables.
   */
  protected function setUpVariables() {
    $this->entityType = 'node';
    $this->bundle = 'bundle_test';
    $this->testFieldName = 'field_image_multiple';
    $this->testFieldType = 'image';
    $this->testPluginId = 'blazy';
    $this->maxItems = 3;
    $this->maxParagraphs = 30;
  }

  /**
   * Setup the unit images.
   */
  protected function setUpUnitImages() {
    $item = new \stdClass();
    $item->uri = 'public://example.jpg';
    $item->entity = NULL;
    $item->alt = $this
      ->randomMachineName();
    $item->title = $this
      ->randomMachineName();
    $settings = $this
      ->getFormatterSettings();
    $this->uri = $settings['uri'] = $item->uri;
    $this->data = [
      'settings' => $settings,
      'item' => $item,
    ];
    $this->testItem = $item;
  }

  /**
   * Setup the unit images.
   */
  protected function setUpMockImage() {
    $entity = $this
      ->createMock('\\Drupal\\Core\\Entity\\ContentEntityInterface');
    $entity
      ->expects($this
      ->any())
      ->method('label')
      ->willReturn($this
      ->randomMachineName());
    $entity
      ->expects($this
      ->any())
      ->method('getEntityTypeId')
      ->will($this
      ->returnValue('node'));
    $item = $this
      ->createMock('\\Drupal\\Core\\Field\\FieldItemListInterface');
    $item
      ->expects($this
      ->any())
      ->method('getEntity')
      ->willReturn($entity);
    $this
      ->setUpUnitImages();
    $this->testItem = $item;
    $this->data['item'] = $item;
    $item->entity = $entity;
  }

}