public void CorrectRequestForResize() { var factory = Substitute.For <IConnection>(); var client = new DatabasesClient(factory); var resize = new Models.Requests.ResizeDatabase(); client.Resize("1", resize); var parameters = Arg.Is <List <Parameter> >(list => (string)list[0].Value == "1"); factory.Received().ExecuteRaw("databases/{id}/resize", parameters, resize, Method.POST); }