public function MailTest::testLongSubject in Maillog / Mail Developer 8

Confirm what happens with long subject lines.

File

tests/src/Kernel/MailTest.php, line 85

Class

MailTest

Tests the maillog plugin.

Namespace

Drupal\Tests\maillog\Kernel

Code

public function testLongSubject() {

  // Send an email.
  $from_email = 'from_test@example.com';
  $to_email = 'to_test@example.com';
  \Drupal::service('plugin.manager.mail')
    ->mail('maillog_test', 'maillog_long_subject_test', $to_email, 'en', [], $from_email);

  // Compare the maillog db entry with the sent mail.
  $logged_email = $this
    ->getLatestMaillogEntry();
  $this
    ->assertTrue(!empty($logged_email), 'The test email was captured.');

  // The original subject line, as copied from maillog_test_mail().
  $subject = str_repeat('Test email subject ', 20);

  // Duplicate the string trimming.
  $subject_trimmed = mb_substr($subject, 0, 255);
  self::assertEquals($subject_trimmed, $logged_email['subject'], 'Email subject was trimmed correctly.');
  self::assertNotEquals($subject, $logged_email['subject'], 'Email subject is not untrimmed.');
}