Can unit testing be successfully added into an existing production project? If so, how and is it worth it?

Question

I\'m strongly considering adding unit testing to an existing project that is in production. It was started 18 months ago before I could really see any benefit of TDD

Answer 1

Yes. No. Adding tests.

Going towards a more TDD approach will actually better inform your efforts to add new functionality and make regression testing much easier. Check it out!