class UserEntityLabelTest

class UserEntityLabelTest extends KernelTestBase {
  use UserCreationTrait;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'user',
    'user_hooks_test',
  ];
  
  /**
   * Tests label callback.
   */
  public function testLabelCallback() {
    $this->installSchema('system', [
      'sequences',
    ]);
    $this->installEntitySchema('user');
    $account = $this->createUser();
    $anonymous = User::create([
      'uid' => 0,
    ]);
    $this->assertEquals($account->getAccountName(), $account->label());
    // Setup a random anonymous name to be sure the name is used.
    $name = $this->randomMachineName();
    $this->config('user.settings')
      ->set('anonymous', $name)
      ->save();
    $this->assertEquals($name, $anonymous->label());
    $this->assertEquals($name, $anonymous->getDisplayName());
    $this->assertEmpty($anonymous->getAccountName());
    // Set to test the altered username.
    \Drupal::state()->set('user_hooks_test_user_format_name_alter', TRUE);
    // The user display name should be altered.
    $this->assertEquals('<em>' . $account->id() . '</em>', $account->getDisplayName());
    // The user login name should not be altered.
    $this->assertEquals($account->name->value, $account->getAccountName());
  }

}