Implement unit test for a sitecore MVC solution with glassmapper

Question

I have the below scenario to implement unit testing on a Sitecore MVC (with glassmapper) integration.

1. We are using a wrapper class to make calls to Glassmapper Sitecore Context methods. Below is one of the example.

    public interface IMappingProvider
    {
         T GetItem<T>(Guid id, bool isLazy = false, bool inferType = false) where T : class;
        ...
    }
   
    public class GlassMappingProvider : IMappingProvider
    {
         public T GetItem<T>(Guid id, bool isLazy = false, bool inferType = false) where T : class
         {
              var context = new SitecoreContext();
              return context.GetItem<T>(id, isLazy, inferType);
         }
         ...
    }  
   

2. All the controllers are being initialized with the wrapper GlassMappingProvider

    public class SitecoreTestController : Controller
    {
        private readonly IMappingProvider _mappingProvider;
   
        public SitecoreTestController (IMappingProvider mappingProvider)
        {
            _mappingProvider = mappingProvider;
        }
        ...
    }
   

3. I have followed multiple articles where in to create Mock Sitecore Context, create Sitecore Fake DB, create the Item and set in the fake context. The challenge I have are bwlow

• Could not pass the Sitecore Context to controllers
• Could not Mock the GetItem of the Glass Wrapper - GlassMappingProvider.

Any one had the similar implementation or any suggestions on what to be done to write a test cases for such a implementation?

Answer 1

Please follow the below-mentioned steps and try to incorporate them with your existing code:

1. Create a Test controller in your project, for example, I am creating HeroTestController and specifying the namespace of your controller:

using HeroController = global::YourProjectName.HeroController;

2. Define the variables in your Test Class:

private Mock<IMvcContext> mvcContextMock;
private Mock<HeroController> controller;

3. Initialize those variables into your TestInitialize Method:

[TestInitialize]
public void TestInitialize()
 {
   this.mvcContextMock= new Mock<IMvcContext>();
   this.controller = new Mock<HeroController>(this.mvcContextMock.Object) { CallBase = true };
 }

4. Write your Test method:

[TestMethod]
public void TestMethodA()
 {
   // arrange 
   GetItemByIdOptions option = new GetItemByIdOptions(this.YourObject.Id) { InferType = false, Lazy = Glass.Mapper.LazyLoading.Disabled };
   this.mvcContextMock.Setup(x => x.SitecoreService.GetItem<ModelName>(option))
                .Returns(this.YourObject);

  // act
           
  // assert 
           
}

Steps 1,2 and 3 can solve your first problem i.e. Could not pass the Sitecore Context to controllers.

Steps 4 can solve your second problem i.e. Could not Mock the GetItem of the Glass Wrapper - GlassMappingProvider.

Hope it helps you.