[2.0] Fixes streamed responses when using Octane

src/Runtime/Octane/Octane.php

@@ -23,6 +23,7 @@
 use Laravel\Vapor\Runtime\StorageDirectories;
 use PDO;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
+use Symfony\Component\HttpFoundation\StreamedResponse;
 use Throwable;
 
 class Octane implements Client
@@ -166,6 +167,10 @@ public static function handle($request)
             ? $response->getFile()->getContent()
             : $response->getContent();
 
+        if ($response instanceof StreamedResponse) {
+            $content = static::captureContent($response);
+        }
+
         return tap(new Response(
             $content,
             $response->headers->all(),
@@ -284,4 +289,17 @@ public static function worker()
     {
         return static::$worker;
     }
+
+    /**
+     * Capture the content from a streamed response.
+     */
+    protected static function captureContent(StreamedResponse $response): string
+    {
+        ob_start();
+        $response->sendContent();
+        $content = ob_get_contents();
+        ob_end_clean();
+
+        return $content;
+    }
 }

tests/Feature/ApiGatewayOctaneHandlerTest.php

@@ -17,6 +17,7 @@
 use Laravel\Vapor\Tests\TestCase;
 use Mockery;
 use RuntimeException;
+use Symfony\Component\HttpFoundation\StreamedResponse;
 
 class ApiGatewayOctaneHandlerTest extends TestCase
 {
@@ -601,4 +602,24 @@ public function test_maintenance_mode_with_invalid_bypass_cookie()
         static::assertEquals('application/json', $response->toApiGatewayFormat()['headers']['Content-Type']);
         static::assertEquals(['message' => 'We are currently down for maintenance.'], json_decode($response->toApiGatewayFormat()['body'], true));
     }
+
+    public function test_streamed_responses()
+    {
+        $handler = new OctaneHandler();
+
+        Route::get('/', function () {
+            return new StreamedResponse(function () {
+                echo 'Hello World';
+            }, 200, ['mime-type' => 'image/png']);
+        });
+
+        $response = $handler->handle([
+            'httpMethod' => 'GET',
+            'path' => '/',
+            'headers' => [],
+        ]);
+
+        static::assertEquals('image/png', $response->toApiGatewayFormat()['headers']['Mime-Type']);
+        static::assertEquals('Hello World', $response->toApiGatewayFormat()['body']);
+    }
 }

tests/Feature/LoadBalancedOctaneHandlerTest.php

@@ -17,6 +17,7 @@
 use Laravel\Vapor\Tests\TestCase;
 use Mockery;
 use RuntimeException;
+use Symfony\Component\HttpFoundation\StreamedResponse;
 
 class LoadBalancedOctaneHandlerTest extends TestCase
 {
@@ -599,4 +600,26 @@ public function test_maintenance_mode_with_invalid_bypass_cookie()
         static::assertEquals(['application/json'], $response->toApiGatewayFormat()['multiValueHeaders']['Content-Type']);
         static::assertEquals(['message' => 'We are currently down for maintenance.'], json_decode($response->toApiGatewayFormat()['body'], true));
     }
+
+    public function test_streamed_responses()
+    {
+        $handler = new LoadBalancedOctaneHandler();
+
+        Route::get('/', function () {
+            return new StreamedResponse(function () {
+                echo 'Hello World';
+            }, 200, ['mime-type' => 'image/png']);
+        });
+
+        $response = $handler->handle([
+            'httpMethod' => 'GET',
+            'path' => '/',
+            'headers' => [
+                'Accept' => 'application/json',
+            ],
+        ]);
+
+        static::assertEquals(['image/png'], $response->toApiGatewayFormat()['multiValueHeaders']['Mime-Type']);
+        static::assertEquals('Hello World', $response->toApiGatewayFormat()['body']);
+    }
 }