EntityFramework – asynchronous queries unit tests
Sometime ago I described how we can use Moq to unit tests elements of DbContext – please check post Mocking DbContext and DbSet with Moq. Unfortunate that post didn’t covered all issues related to that topic. I didn’t write about unit tests asynchronous queries. Today I want to come back to this issue. We can treat a previous post as a starting point. We already have some code that help us to mock DbSet<T>. And right now we will extend that code to support asynchronous queries. It is very easy. We need only to implement IDbAsyncQueryProvider interface: public class InMemoryAsyncQueryProvider<TEntity> : IDbAsyncQueryProvider { private readonly IQueryProvider innerQueryProvider; [...]
