function MailTest::testErrorMessageDisplay

Assert that the pluggable mail system is functional.

File

core/modules/system/tests/src/Kernel/Mail/MailTest.php, line 86

Class

MailTest

Performs tests on the pluggable mailing framework.

Namespace

Code

public function testErrorMessageDisplay() : void {
  // Switch mail backends.
  $this->configureDefaultMailInterface('test_php_mail_failure');
  // Test with errors displayed to users.
  \Drupal::service('plugin.manager.mail')->mail('default', 'default', '[email protected]', 'en');
  $messages = \Drupal::messenger()->messagesByType(MessengerInterface::TYPE_ERROR);
  $this->assertEquals('Unable to send email. Contact the site administrator if the problem persists.', $messages[0]);
  \Drupal::messenger()->deleteAll();
  // Test without errors displayed to users.
  \Drupal::service('plugin.manager.mail')->mail('default', 'default', '[email protected]', 'en', [
    '_error_message' => '',
  ]);
  $this->assertEmpty(\Drupal::messenger()->messagesByType(MessengerInterface::TYPE_ERROR));
}