NSubstitute DbSet / IQueryable
This happens because of NSubstitute syntax specific. For example in: ((IQueryable<Blog>) mockSet).Provider.Returns(data.Provider); NSubstitute calls the Provider’s getter, then it specifies the return value. This getter call isn’t intercepted by the substitute and you get an exception. It happens because of explicit implementation of IQueryable.Provider property in DbQuery class. You can explicitly create substitutes for multiple … Read more