/source/Dwolla.Checkout.Tests/RedirectDeseralizationTest.cs

using System;

using System.Collections.Specialized;

using System.Web;

using System.Web.Mvc;

using System.Web.Routing;

using FluentAssertions;

using NUnit.Framework;

using Moq;

using Newtonsoft.Json;

using ObjectDumper;



namespace Dwolla.Checkout.Tests

{





    public class TestController : Controller

    {

        [HttpGet]

        public void DwollaRedirect(DwollaRedirect redirect)

        {

        }

    }



    [TestFixture]

    public class RedirectDeseralizationTest

    {

        private void RegisterRoutes(RouteCollection routes)

        {

            routes.MapRoute(

                name: "Default",

                url: "{controller}/{action}/{id}",

                defaults: new

                    {

                        controller = "Home",

                        action = "Index",

                        id = UrlParameter.Optional

                    }

            );

        }



        private T GetModelFor<T>(string url)

        {

            RouteTable.Routes.Clear();

            RegisterRoutes(RouteTable.Routes);



            var httpContext = MvcMockHelpers.MockHttpContext(url);



            var routeData = RouteTable.Routes.GetRouteData(httpContext);



            var controller = new TestController();

            controller.SetMockControllerContext(httpContext, routeData, RouteTable.Routes);



            var queryStringValueProvider = new QueryStringValueProvider(controller.ControllerContext);



            var modelMetadata = ModelMetadataProviders.Current.GetMetadataForType(null, typeof(T));



            var bindingContext = new ModelBindingContext

            {

                ModelName = null,

                ValueProvider = queryStringValueProvider,

                ModelMetadata = modelMetadata

            };



            var binder = ModelBinders.Binders.GetBinder(typeof(DwollaRedirect));

            return (T)binder.BindModel(controller.ControllerContext, bindingContext);

        }



        [Test]

        public void SuccessRedirect()

        {

            var successRedirect =

                "~/Test/DwollaRedirect?signature=c50e4b2a4c50ad795c3ee31370aec1a563565aa4&orderId=&amount=0.01&checkoutId=f32b1e55-9612-4b6d-90f9-1c1519e588da&status=Completed&clearingDate=8/28/2012%203:17:18%20PM&transaction=1312616&postback=success";



            var redirect = GetModelFor<DwollaRedirect>(successRedirect);



            redirect.Signature.Should().Be("c50e4b2a4c50ad795c3ee31370aec1a563565aa4");

            redirect.OrderId.Should().BeNull();

            redirect.Amount.Should().Be(0.01m);

            redirect.CheckoutId.Should().Be("f32b1e55-9612-4b6d-90f9-1c1519e588da");

            redirect.Status.Should().Be(DwollaStatus.Completed);

            redirect.Transaction.Should().Be(1312616);

            redirect.Postback.Should().Be(DwollaPostbackStatus.Success);

        }



        [Test]

        public void FailureRedirect()

        {

            var failureRedirect =

                "~/Test/DwollaRedirect?checkoutId=694e6bcb-349f-451d-bf5d-8aa16530c960&error=failure&error_description=There+are+insufficient+funds+for+this+transaction";

            var redirect = GetModelFor<DwollaRedirect>(failureRedirect);



            redirect.CheckoutId.Should().Be("694e6bcb-349f-451d-bf5d-8aa16530c960");

            redirect.Error_Description.Should().Be("There+are+insufficient+funds+for+this+transaction");

        }

    }

}