class EntityOperationsTest

class EntityOperationsTest extends KernelTestBase {
  use UserCreationTrait {
    createUser as drupalCreateUser;
  }
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'entity_test',
    'system',
    'user',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installEntitySchema('user');
    // Create and log in user.
    $this->setCurrentUser($this->drupalCreateUser([
      'administer permissions',
    ]));
  }
  
  /**
   * Checks that hook_entity_operation_alter() can add an operation.
   *
   * @see entity_test_entity_operation_alter()
   */
  public function testEntityOperationAlter() : void {
    // Check that role listing contain our test_operation operation.
    $this->drupalGet('admin/people/roles');
    $roles = Role::loadMultiple();
    foreach ($roles as $role) {
      $this->assertSession()
        ->linkByHrefExists($role->toUrl()
        ->toString() . '/test_operation');
      $this->assertSession()
        ->linkExists('Test Operation: ' . $role->label());
    }
  }

}