public function MailFormatHelperTest::testWrapMail in Drupal 10

Same name and namespace in other branches

1. 8 core/tests/Drupal/Tests/Core/Mail/MailFormatHelperTest.php \Drupal\Tests\Core\Mail\MailFormatHelperTest::testWrapMail()
2. 9 core/tests/Drupal/Tests/Core/Mail/MailFormatHelperTest.php \Drupal\Tests\Core\Mail\MailFormatHelperTest::testWrapMail()

@covers ::wrapMail

File

core/tests/Drupal/Tests/Core/Mail/MailFormatHelperTest.php, line 17

Class

MailFormatHelperTest

@coversDefaultClass \Drupal\Core\Mail\MailFormatHelper @group Mail

Namespace

Drupal\Tests\Core\Mail

Code

public function testWrapMail() {
  $delimiter = "End of header\n";
  $long_file_name = $this
    ->randomMachineName(64) . '.docx';
  $headers_in_body = 'Content-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document; name="' . $long_file_name . "\"\n";
  $headers_in_body .= "Content-Transfer-Encoding: base64\n";
  $headers_in_body .= 'Content-Disposition: attachment; filename="' . $long_file_name . "\"\n";
  $headers_in_body .= 'Content-Description: ' . $this
    ->randomMachineName(64);
  $body = $this
    ->randomMachineName(76) . ' ' . $this
    ->randomMachineName(6);
  $wrapped_text = MailFormatHelper::wrapMail($headers_in_body . $delimiter . $body);
  [
    $processed_headers,
    $processed_body,
  ] = explode($delimiter, $wrapped_text);

  // Check that the body headers were not wrapped even though some exceeded
  // 77 characters.
  $this
    ->assertEquals($headers_in_body, $processed_headers, 'Headers in the body are not wrapped.');

  // Check that the body text is wrapped.
  $this
    ->assertEquals(wordwrap($body, 77, " \n"), $processed_body, 'Body text is wrapped.');
}