class UserMailDefaultsTest

class UserMailDefaultsTest extends KernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'user',
    'system',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installConfig([
      'user',
    ]);
  }
  
  /**
   * Tests that each user mail contains blank lines.
   *
   * @dataProvider userMailsProvider
   */
  public function testMailDefaults($key) {
    $body = $this->config('user.mail')
      ->get("{$key}.body");
    $this->assertStringContainsString("\n\n", $body);
  }
  
  /**
   * Data provider for user mail testing.
   *
   * @return array
   *   Array of arrays containing the set of user mail configuration keys.
   */
  public function userMailsProvider() {
    return [
      [
        'cancel_confirm',
      ],
      [
        'password_reset',
      ],
      [
        'status_activated',
      ],
      [
        'status_blocked',
      ],
      [
        'status_canceled',
      ],
      [
        'register_admin_created',
      ],
      [
        'register_no_approval_required',
      ],
      [
        'register_pending_approval',
      ],
      [
        'register_pending_approval_admin',
      ],
    ];
  }

}