symfony
diff --git a/‎src/Symfony/Component/Mailer/Bridge/Infobip/Tests/Transport/InfobipApiTransportTest.php‎
Lines changed: 46 additions & 0 deletions b/‎src/Symfony/Component/Mailer/Bridge/Infobip/Tests/Transport/InfobipApiTransportTest.php‎
Lines changed: 46 additions & 0 deletions
@@ -316,6 +316,52 @@ public function testSendFullEmailWithSuccess()
         $this->assertEquals([new Address('bcc@example.com')], $sentMessage->getOriginalMessage()->getBcc());
     }
 
+    public function testSendEmailWithAttachmentsWithSuccess()
+    {
+        $email = $this->basicValidEmail()
+            ->text('foobar')
+            ->attach('some attachment', 'attachment.txt', 'text/plain')
+            ->embed('some inline attachment', 'inline.txt', 'text/plain')
+        ;
+
+        $sentMessage = $this->transport->send($email);
+
+        $this->assertInstanceOf(SentMessage::class, $sentMessage);
+        $this->assertStringMatchesFormat(
+            <<<'TXT'
+            %a
+            Content-Type: multipart/mixed; boundary=%s
+
+            --%s
+            Content-Type: multipart/related; boundary=%s
+
+            --%s
+            Content-Type: text/plain; charset=utf-8
+            Content-Transfer-Encoding: quoted-printable
+
+            foobar
+            --%s
+            Content-ID: %s
+            Content-Type: text/plain; name=inline.txt
+            Content-Transfer-Encoding: base64
+            Content-Disposition: inline; name=inline.txt; filename=inline.txt
+
+            c29tZSBpbmxpbmUgYXR0YWNobWVudA==
+            --%s--
+
+            --%s
+            Content-Type: text/plain; name=attachment.txt
+            Content-Transfer-Encoding: base64
+            Content-Disposition: attachment; name=attachment.txt;
+             filename=attachment.txt
+
+            c29tZSBhdHRhY2htZW50
+            --%s--
+            TXT,
+            $sentMessage->toString()
+        );
+    }
+
     public function testSentMessageShouldCaptureInfobipMessageId()
     {
         $this->response = new MockResponse('{"messages": [{"messageId": "somexternalMessageId0"}]}');