Error message while working with mocking in unit test

Question

I'm trying to do some Unit Test. I have the following controller:

using SportsStore.domain.Abstract;
using SportsStore.domain.Entities;

namespace SportsStore.WebUI.Controllers
{
    public class ProductController : Controller
    {
        private IProductRepository repository;
        public int PageSize = 4;
        //Declar the dependency on IProductRepository
        public ProductController(IProductRepository productRepository)
        {
            this.repository = productRepository;
        }
        // GET: Product

        public ViewResult List(int page = 1)
        {
            return View(repository.Products.OrderBy(p => p.ProductID).Skip((page-1) * PageSize).Take(PageSize));
        }
   
    }
}

I'm going to unit test the page pagination.

Here is my Unit test:

using SportsStore.domain.Abstract;
using SportsStore.domain.Entities;
using SportsStore.WebUI.Controllers;
using System.Collections.Generic;
using System.Web.Mvc;

namespace SportsStore.UnitTests
{
    [TestClass]
    public class UnitTest1
    {
        [TestMethod]
        public void TestMethod1()
        {
        }

        [TestMethod]
        public void Can_Paginate()
        {
            //Arrange
            Mock<IProductRepository> mock = new Mock<IProductRepository>();
            mock.Setup(m => m.Products).Returns(new Product[]
            {
                new Product {ProductID = 1, Name = "P1" },
                new Product {ProductID = 2, Name = "P2" },
                new Product {ProductID = 3, Name = "P3" },
                new Product {ProductID = 4, Name = "P4" },
                new Product {ProductID = 5, Name = "P5" }
            });

            ProductController controller = new ProductController(mock.Object);
            controller.PageSize = 3;

            //Act
            IEnumerable<Product> result = (IEnumerable<Product>)controller.List(2).Model;

            //Assert
            Product[] prodArray = result.ToArray();
            Assert.IsTrue(prodArray.Length == 2);
            Assert.AreEqual(prodArray[0].Name, "P4");
            Assert.AreEqual(prodArray[1].Name, "P5");
        }
    }
}

I get the following error message in my test file:

What does this mean?

your project dll use newer dll than the dll you referenced in your test project. just remove the dll from your test project and than add the correct one. — Old Fox
– Old Fox, Commented Oct 19, 2015 at 11:42

Old Fox · Accepted Answer · 2015-10-19 13:38:51Z

1

Your project dll use newer dll than the dll you referenced in your test project. just remove the dll from your test project and than add the correct one:

Select the test project in Solution explorer -> References -> right click on System.Web.Mvc -> remove (How to: Add or Remove References)

Than add the correct version of System.Web.Mvc which is 5.2.3.0

Edit

The ASP.NET MVC has a nuget package. This is correct way to add the assembly

edited Oct 19, 2015 at 13:38

answered Oct 19, 2015 at 11:51

Old Fox

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4 Comments

Bryan Over a year ago

Should I choose the Framework och Extension in the Assemblies tab?

Old Fox Over a year ago

@Bryan I don't know the exact location, but if you click on the assembly then you'll see the version on the right panel.

Bryan Over a year ago

Yes, but how do I add a new version of the dll?

Old Fox Over a year ago

@Bryan the Dll which you are looking for has a nuget package. Right click on References -> Manage nuget packages -> in the search box type mvc and then add the package.(I edited my answer)

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