public void ShouldIgnoreActionParametersThatAreNull()
        {
            var attribute  = new SubControllerActionToViewDataAttribute();
            var controller = new TestingController();
            ActionExecutingContext context = GetFilterContext(controller);

            context.ActionParameters["c1"] = null;
            context.ActionParameters["c2"] = new SubController();

            attribute.OnActionExecuting(context);

            Assert.That(controller.ViewData.Count, Is.EqualTo(1));
            Assert.That(controller.ViewData.Get <Action>("c2"), Is.Not.Null);
        }
        public void ShouldPushTheActionOfEachSubcontrollerIntoViewdata()
        {
            var c1 = new SubController();
            var c2 = new SubController();

            var attribute  = new SubControllerActionToViewDataAttribute();
            var controller = new TestingController();
            ActionExecutingContext context = GetFilterContext(controller);

            context.ActionParameters["c1"] = c1;
            context.ActionParameters["c2"] = c2;

            attribute.OnActionExecuting(context);

            Assert.That(controller.ViewData.Get <Action>("c1"), Is.Not.Null);
            Assert.That(controller.ViewData.Get <Action>("c2"), Is.Not.Null);
        }