class UriItemTest

class UriItemTest extends FieldKernelTestBase {
  
  /**
   * A field to use in this test class.
   *
   * @var \Drupal\field\Entity\FieldStorageConfig
   */
  protected $fieldStorage;
  
  /**
   * The field used in this test class.
   *
   * @var \Drupal\field\Entity\FieldConfig
   */
  protected $field;
  
  /**
   * Tests URI field.
   */
  public function testUriField() : void {
    $label = $this->randomMachineName();
    // Create a field with settings to validate.
    $field_name = $this->randomMachineName();
    $this->fieldStorage = FieldStorageConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test',
      'type' => 'uri',
    ]);
    $this->fieldStorage
      ->save();
    $this->field = FieldConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test',
      'bundle' => 'entity_test',
      'label' => $label,
      'required' => TRUE,
      'settings' => [
        'size' => 123,
        'placeholder' => '',
      ],
    ]);
    $this->field
      ->save();
    // Create a form display for the default form mode.
    \Drupal::service('entity_display.repository')->getFormDisplay('entity_test', 'entity_test')
      ->setComponent($field_name, [
      'type' => 'uri',
    ])
      ->save();
    // Test the generateSampleValue() method.
    $entity = EntityTest::create();
    $entity->{$field_name}
      ->generateSampleItems();
    $this->entityValidateAndSave($entity);
  }

}