make $data optional on TemplateResponse.

Author: Basster

src/Response/TemplateResponse.php

@@ -20,7 +20,7 @@ final class TemplateResponse extends AbstractLazyHttpResponse
      */
     private $data;
 
-    public function __construct(string $template, array $data, int $status = Response::HTTP_OK, array $headers = [])
+    public function __construct(string $template, array $data = [], int $status = Response::HTTP_OK, array $headers = [])
     {
         parent::__construct($status, $headers);
         $this->template = $template;

tests/Response/Handler/TwigResponseHandlerTest.php

@@ -29,15 +29,27 @@ protected function setUp(): void
     public function renderTwigTemplateFromControllerResult(): void
     {
         $template = 'homepage.html.twig';
-        $data = [];
+        $data = ['foo' => 'bar'];
         $controllerResult = new TemplateResponse($template, $data);
-        $event = $this->createViewEvent($controllerResult);
 
-        $this->handler->handleLazyResponse($event);
+        $this->handleLazyViewResponse($controllerResult);
 
         $this->twig->render($template, $data)->shouldHaveBeenCalled();
     }
 
+    /**
+     * @test
+     */
+    public function renderTwigTemplateFromControllerResultWithEmptyData(): void
+    {
+        $template = 'homepage.html.twig';
+        $controllerResult = new TemplateResponse($template);
+
+        $this->handleLazyViewResponse($controllerResult);
+
+        $this->twig->render($template, [])->shouldHaveBeenCalled();
+    }
+
     /**
      * @test
      */
@@ -75,4 +87,14 @@ protected function createHandlerSubject(): AbstractLazyResponseHandler
     {
         return new TwigResponseHandler($this->twig->reveal());
     }
+
+    /**
+     * @param \Basster\LazyResponseBundle\Response\TemplateResponse $controllerResult
+     */
+    private function handleLazyViewResponse(TemplateResponse $controllerResult): void
+    {
+        $event = $this->createViewEvent($controllerResult);
+
+        $this->handler->handleLazyResponse($event);
+    }
 }