update testConfirmationEmailWithSpecialCharacters - add transformation check similar to Zend\Mail\Header\AbstractAddressList

Author: elvinristi

dev/tests/integration/testsuite/Magento/Customer/Controller/AccountTest.php

@@ -769,7 +769,19 @@ public function testConfirmationEmailWithSpecialCharacters(): void
         $message = $this->transportBuilderMock->getSentMessage();
         $rawMessage = $message->getRawMessage();
 
-        $this->assertContains('To: John Smith <' . $email . '>', $rawMessage);
+        /** @var \Zend\Mime\Part $messageBodyPart */
+        $messageBodyParts = $message->getBody()->getParts();
+        $messageBodyPart = reset($messageBodyParts);
+        $messageEncoding = $messageBodyPart->getCharset();
+        $name = 'John Smith';
+
+        if (strtoupper($messageEncoding) !== 'ASCII') {
+            $name = \Zend\Mail\Header\HeaderWrap::mimeEncodeValue($name, $messageEncoding);
+        }
+
+        $nameEmail = sprintf('%s <%s>', $name, $email);
+
+        $this->assertContains('To: ' . $nameEmail, $rawMessage);
 
         $content = $message->getBody()->getParts()[0]->getRawContent();
         $confirmationUrl = $this->getConfirmationUrlFromMessageContent($content);