class OptionsDynamicValuesTestBase

abstract class OptionsDynamicValuesTestBase extends FieldTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'options',
    'entity_test',
    'options_test',
  ];
  
  /**
   * The created entity.
   *
   * @var \Drupal\Core\Entity\EntityInterface
   */
  protected $entity;
  
  /**
   * The field storage.
   *
   * @var \Drupal\Core\Field\FieldStorageDefinitionInterface
   */
  protected $fieldStorage;
  
  /**
   * @var int
   */
  protected $field;
  
  /**
   * Test data.
   *
   * @var array
   */
  protected $test;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $field_name = 'test_options';
    $this->fieldStorage = FieldStorageConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test_rev',
      'type' => 'list_string',
      'cardinality' => 1,
      'settings' => [
        'allowed_values_function' => 'options_test_dynamic_values_callback',
      ],
    ]);
    $this->fieldStorage
      ->save();
    $this->field = FieldConfig::create([
      'field_name' => $field_name,
      'entity_type' => 'entity_test_rev',
      'bundle' => 'entity_test_rev',
      'required' => TRUE,
    ])->save();
    \Drupal::service('entity_display.repository')->getFormDisplay('entity_test_rev', 'entity_test_rev')
      ->setComponent($field_name, [
      'type' => 'options_select',
    ])
      ->save();
    // Create an entity and prepare test data that will be used by
    // options_test_dynamic_values_callback().
    $values = [
      'user_id' => mt_rand(1, 10),
      'name' => $this->randomMachineName(),
    ];
    $this->entity = EntityTestRev::create($values);
    $this->entity
      ->save();
    $this->test = [
      'label' => $this->entity
        ->label(),
      'uuid' => $this->entity
        ->uuid(),
      'bundle' => $this->entity
        ->bundle(),
      'uri' => $this->entity
        ->toUrl()
        ->toString(),
    ];
  }

}