Return HTTP status code 500 if the build fails

src/Playbloom/Satisfy/Webhook/AbstractWebhook.php

@@ -44,7 +44,7 @@ public function getResponse(Request $request): Response
             throw new ServiceUnavailableHttpException();
         }
 
-        return new Response((string)$status);
+        return new Response((string) $status, 0 === $status ? Response::HTTP_OK : Response::HTTP_INTERNAL_SERVER_ERROR);
     }
 
     public function handle(RepositoryInterface $repository): ?int

tests/Playbloom/Satisfy/Webhook/AbstractWebhookTest.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Tests\Playbloom\Satisfy\Webhook;
+
+use PHPUnit\Framework\TestCase;
+use Playbloom\Satisfy\Model\Repository;
+use Playbloom\Satisfy\Model\RepositoryInterface;
+use Playbloom\Satisfy\Service\Manager;
+use Playbloom\Satisfy\Webhook\AbstractWebhook;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\HttpFoundation\Request;
+
+class AbstractWebhookTest extends TestCase
+{
+    use ProphecyTrait;
+
+    public function testGetResponseReturnsTheCommandExitCode()
+    {
+        $webhook = $this->createWebhook(0);
+
+        $response = $webhook->getResponse(Request::create('/'));
+
+        $this->assertEquals(200, $response->getStatusCode());
+        $this->assertEquals('0', $response->getContent());
+    }
+
+    public function testGetResponseWithErrorsReturns500()
+    {
+        $webhook = $this->createWebhook(1);
+
+        $response = $webhook->getResponse(Request::create('/'));
+
+        $this->assertEquals(500, $response->getStatusCode());
+        $this->assertEquals('1', $response->getContent());
+    }
+
+    public function createWebhook(int $status): AbstractWebhook
+    {
+        $manager = $this->prophesize(Manager::class);
+
+        $webhook = new class($manager->reveal(), new EventDispatcher()) extends AbstractWebhook {
+            public $status;
+
+            public function handle(RepositoryInterface $repository): ?int
+            {
+                return $this->status;
+            }
+
+            protected function validate(Request $request): void
+            {
+            }
+
+            protected function getRepository(Request $request): RepositoryInterface
+            {
+                return new Repository('git@git.example.com', 'git');
+            }
+        };
+
+        $webhook->status = $status;
+
+        return $webhook;
+    }
+}