CacheAttributeController example

$this->assertSame('"54321"', $response->getEtag());
        $this->assertEquals(new \DateTimeImmutable('Fri, 23 Aug 2014 00:00:00 GMT'), $response->getLastModified());
        $this->assertEquals(new \DateTimeImmutable('Fri, 24 Aug 2014 00:00:00 GMT'), $response->getExpires());
        $this->assertSame('30', $response->headers->getCacheControlDirective('s-maxage'));
        $this->assertSame(30, $response->getMaxAge());
        $this->assertSame(['foobaz'], $response->getVary());
    }

    public function testAttribute()
    {
        $request = new Request();
        $event = new ControllerArgumentsEvent($this->getKernel(), [new CacheAttributeController(), 'foo'], [], $request, null);
        $this->listener->onKernelControllerArguments($event);

        $response = new Response();
        $event = new ResponseEvent($this->getKernel(), $request, HttpKernelInterface::MAIN_REQUEST, $response);
        $this->listener->onKernelResponse($event);

        $this->assertSame(CacheAttributeController::METHOD_SMAXAGE, $response->getMaxAge());

        $request = new Request();
        $event = new ControllerArgumentsEvent($this->getKernel(), [new CacheAttributeController(), 'bar'], [], $request, null);
        $this->listener->onKernelControllerArguments($event);