MapQueryString example

public function testQueryDefaultValueArgument()
    {
        $payload = new RequestPayload(50);

        $validator = $this->createMock(ValidatorInterface::class);
        $validator->expects($this->never())
            ->method('validate');

        $resolver = new RequestPayloadValueResolver(new Serializer(), $validator);

        $argument = new ArgumentMetadata('valid', RequestPayload::class, false, true, $payload, false, [
            MapQueryString::class => new MapQueryString(),
        ]);
        $request = Request::create('/', 'GET');

        $kernel = $this->createMock(HttpKernelInterface::class);
        $arguments = $resolver->resolve($request, $argument);
        $event = new ControllerArgumentsEvent($kernel, fn () => null, $arguments, $request, HttpKernelInterface::MAIN_REQUEST);

        $resolver->onKernelControllerArguments($event);

        $this->assertEquals([$payload], $event->getArguments());
    }