You can unit test all your layers, but when you get to the repository it becomes an exercise in mocking that provides little real benefit. That’s why we have to give up on the unit test idea for repositories and embrace integration tests. There’s nothing wrong with integration tests, as I explained a while back. So let’s review the criteria of effective automated tests and see if this is worth while.

1. Automated – Yes, my tests will be standard NUnit tests that can be run just about anywhere by just about any automated process. Continue reading →