fix(http-server): return all headers with the same name joined by com…

…ma (#175)

Co-authored-by: k911 <konradobal@gmail.com>

src/Bridge/Symfony/HttpFoundation/ResponseProcessor.php

@@ -22,9 +22,7 @@ public function process(HttpFoundationResponse $httpFoundationResponse, SwooleRe
         }
 
         foreach ($httpFoundationResponse->headers->allPreserveCaseWithoutCookies() as $name => $values) {
-            foreach ($values as $value) {
-                $swooleResponse->header($name, (string) $value);
-            }
+            $swooleResponse->header($name, \implode(', ', $values));
         }
 
         foreach ($httpFoundationResponse->headers->getCookies() as $cookie) {

tests/Unit/Bridge/Symfony/HttpFoundation/ResponseProcessorTest.php

@@ -0,0 +1,54 @@
+<?php
+
+declare(strict_types=1);
+
+namespace K911\Swoole\Tests\Unit\Bridge\Symfony\HttpFoundation;
+
+use K911\Swoole\Bridge\Symfony\HttpFoundation\ResponseProcessor;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Prophecy\ObjectProphecy;
+use Swoole\Http\Response as SwooleResponse;
+use Symfony\Component\HttpFoundation\Response as HttpFoundationResponse;
+
+class ResponseProcessorTest extends TestCase
+{
+    /**
+     * @var ResponseProcessor
+     */
+    protected $responseProcessor;
+
+    /**
+     * @var null|HttpFoundationResponse
+     */
+    protected $symfonyResponse;
+
+    /**
+     * @var null|ObjectProphecy|SwooleResponse
+     */
+    protected $swooleResponse;
+
+    protected function setUp(): void
+    {
+        $this->responseProcessor = new ResponseProcessor();
+        $this->swooleResponse = $this->prophesize(SwooleResponse::class);
+    }
+
+    public function testProcess(): void
+    {
+        $this->symfonyResponse = new HttpFoundationResponse(
+            'success',
+            200,
+            [
+                'Vary' => [
+                    'Content-Type',
+                    'Authorization',
+                    'Origin',
+                ],
+            ]
+        );
+
+        $swooleResponse = $this->swooleResponse->reveal();
+        $this->responseProcessor->process($this->symfonyResponse, $swooleResponse);
+        $this->swooleResponse->header('Vary', 'Content-Type, Authorization, Origin')->shouldBeCalled();
+    }
+}