hasImageStyleMappings example

/** * {@inheritdoc} */
  public function settingsForm(array $form, FormStateInterface $form_state) {
    $elements = parent::settingsForm($form, $form_state);

    $responsive_image_options = [];
    $responsive_image_styles = $this->responsiveImageStyleStorage->loadMultiple();
    uasort($responsive_image_styles, '\Drupal\responsive_image\Entity\ResponsiveImageStyle::sort');
    if ($responsive_image_styles && !empty($responsive_image_styles)) {
      foreach ($responsive_image_styles as $machine_name => $responsive_image_style) {
        if ($responsive_image_style->hasImageStyleMappings()) {
          $responsive_image_options[$machine_name] = $responsive_image_style->label();
        }
      }
    }

    $elements['responsive_image_style'] = [
      '#title' => $this->t('Responsive image style'),
      '#type' => 'select',
      '#default_value' => $this->getSetting('responsive_image_style') ?: NULL,
      '#required' => TRUE,
      '#options' => $responsive_image_options,
      

        }
      }
    }
    $responsive_image_style->save();

    $this->logger('responsive_image')->notice('Responsive image style @label saved.', ['@label' => $responsive_image_style->label()]);
    $this->messenger()->addStatus($this->t('Responsive image style %label saved.', ['%label' => $responsive_image_style->label()]));

    // Redirect to edit form after creating a new responsive image style or     // after selecting another breakpoint group.     if (!$responsive_image_style->hasImageStyleMappings()) {
      $form_state->setRedirect(
        'entity.responsive_image_style.edit_form',
        ['responsive_image_style' => $responsive_image_style->id()]
      );
    }
    else {
      $form_state->setRedirectUrl($this->entity->toUrl('collection'));
    }
  }

}

$this->assertEquals(['toolbar'], $dependencies['module']);
    $this->assertEquals(['olivero'], $dependencies['theme']);
    $this->assertEquals(['image.style.fallback', 'image.style.large', 'image.style.medium', 'image.style.small'], $dependencies['config']);
  }

  /** * @covers ::addImageStyleMapping * @covers ::hasImageStyleMappings */
  public function testHasImageStyleMappings() {
    $entity = new ResponsiveImageStyle([]);
    $this->assertFalse($entity->hasImageStyleMappings());
    $entity->addImageStyleMapping('test_breakpoint', '1x', [
      'image_mapping_type' => 'image_style',
      'image_mapping' => '',
    ]);
    $this->assertFalse($entity->hasImageStyleMappings());
    $entity->removeImageStyleMappings();
    $entity->addImageStyleMapping('test_breakpoint', '1x', [
      'image_mapping_type' => 'sizes',
      'image_mapping' => [
        'sizes' => '(min-width:700px) 700px, 100vw',
        'sizes_image_styles' => [],
      ],