symfony · nicolas-grekas · Jun 1, 2023 · May 31, 2023
diff --git a/src/Symfony/Component/Mailer/Bridge/MailPace/Tests/Transport/MailPaceApiTransportTest.php b/src/Symfony/Component/Mailer/Bridge/MailPace/Tests/Transport/MailPaceApiTransportTest.php
@@ -121,6 +121,57 @@ public function testSendThrowsForErrorResponse()
        $transport->send($mail);
    }

+    public function testSendThrowsForErrorsResponse()
+    {
+        $client = new MockHttpClient(static function (string $method, string $url, array $options): ResponseInterface {
+            return new MockResponse(json_encode([
+                'errors' => [
+                    'to' => [
+                        'contains a blocked address',
+                        'number of email addresses exceeds maximum volume',
+                    ],
+                    'attachments.name' => ['Extension file type blocked, see Docs for full list of allowed file types'],
+                ],
+            ]), [
+                'http_code' => 400,
+                'response_headers' => [
+                    'content-type' => 'application/json',
+                ],
+            ]);
+        });
+        $transport = new MailPaceApiTransport('KEY', $client);
+        $transport->setPort(8984);
+
+        $mail = new Email();
+        $mail->subject('Hello!')
+            ->to(new Address('saif.gmati@symfony.com', 'Saif Eddin'))
+            ->from(new Address('fabpot@symfony.com', 'Fabien'))
+            ->text('Hello There!');
+
+        $this->expectException(HttpTransportException::class);
+        $this->expectExceptionMessage('Unable to send an email: to: contains a blocked address & number of email addresses exceeds maximum volume; attachments.name: Extension file type blocked, see Docs for full list of allowed file types (code 400).');
+        $transport->send($mail);
+    }
+
+    public function testSendThrowsForInternalServerErrorResponse()
+    {
+        $client = new MockHttpClient(static function (string $method, string $url, array $options): ResponseInterface {
+            return new MockResponse('', ['http_code' => 500]);
+        });
+        $transport = new MailPaceApiTransport('KEY', $client);
+        $transport->setPort(8984);
+
+        $mail = new Email();
+        $mail->subject('Hello!')
+            ->to(new Address('saif.gmati@symfony.com', 'Saif Eddin'))
+            ->from(new Address('fabpot@symfony.com', 'Fabien'))
+            ->text('Hello There!');
+
+        $this->expectException(HttpTransportException::class);
+        $this->expectExceptionMessage('Unable to send an email:  (code 500).');
+        $transport->send($mail);
+    }
+
    public function testTagAndMetadataHeaders()
    {
        $email = new Email();

diff --git a/src/Symfony/Component/Mailer/Bridge/MailPace/Transport/MailPaceApiTransport.php b/src/Symfony/Component/Mailer/Bridge/MailPace/Transport/MailPaceApiTransport.php
@@ -67,7 +67,20 @@ protected function doSendApi(SentMessage $sentMessage, Email $email, Envelope $e
        }

        if (200 !== $statusCode) {
-            throw new HttpTransportException('Unable to send an email: '.$result['error'].sprintf(' (code %d).', $statusCode), $response);
+            $errorMessage = 'Unable to send an email: ';
+            if (isset($result['error'])) {
+                $errorMessage .= $result['error'];
+            } elseif (isset($result['errors'])) {
+                $errors = [];
+                foreach ($result['errors'] as $key => $val) {
+                    $errors[] = $key.': '.implode(' & ', $val);
+                }
+                $errorMessage .= implode('; ', $errors);
+            } else {
+                $errorMessage .= 'unknown error';
+            }
+            $errorMessage .= sprintf(' (code %d).', $statusCode);
+            throw new HttpTransportException($errorMessage, $response);
        }

        $sentMessage->setMessageId($result['id']);