What's the point of testing fake repositories?

Question

I\'ve been trying to push my mentallity when developing at home to be geared more towards TDD and a bit DDD.

One thing I don\'t understand though is why you would creat

Answer 1

The fake repository allows you to test just your application code.

The fake repository means an automated test can easily set up a known state in the repository.

The fake repository will be several orders of magnitude faster than a real database.

The fake repository is NOT a substitute for system testing that will include your database.