Unit testing with queries defined in extension methods

Question

In my project I am using the following approach to querying data from the database:

1. Use a generic repository that can return any type and is not bound to one t

Answer 1

I see your IRepository as a "UnitOfWork" and your IQueries as a "Repository" (Maybe a fluent repository!). So, simply follow the UnitOfWork and Repository pattern. This is a good practice for EF but you can easily implement your own.