Changeset 46118 for trunk/tests/phpunit/tests/mail.php

Timestamp:

09/14/2019 09:34:51 PM (7 years ago)

Author:

SergeyBiryukov

Message:

Mail: Add a unit test to make sure wp_mail() does not duplicate the MIME-Version header added automatically by PHPMailer.

See #43542.

File:

• trunk/tests/phpunit/tests/mail.php (modified) (1 diff)

trunk/tests/phpunit/tests/mail.php

@@ -274 +274 @@
         }
 
+        /**
+         * @ticket 43542
+         */
+        public function test_wp_mail_does_not_duplicate_mime_version_header() {
+                $to       = 'user@example.com';
+                $subject  = 'Test email with a MIME-Version header';
+                $message  = 'The MIME-Version header should not be duplicated.';
+                $headers  = 'MIME-Version: 1.0';
+                $expected = 'MIME-Version: 1.0';
+
+                wp_mail( $to, $subject, $message, $headers );
+
+                $mailer = tests_retrieve_phpmailer_instance();
+                $this->assertEquals( 1, substr_count( $mailer->get_sent()->header, $expected ) );
+        }
+
         function wp_mail_quoted_printable( $mailer ) {
                 $mailer->Encoding = 'quoted-printable';