RKA\Middleware\Test\RendererTest::testIpIsNullIfMissing PHP Метод

    public function testIpIsNullIfMissing()
    {
        $middleware = new IPAddress();
        $request = ServerRequestFactory::fromGlobals();
        $response = new Response();
        $ipAddress = '123';
        $response = $middleware($request, $response, function ($request, $response) use(&$ipAddress) {
            // simply store the "ip_address" attribute in to the referenced $ipAddress
            $ipAddress = $request->getAttribute('ip_address');
            return $response;
        });
        $this->assertNull($ipAddress);
    }