What should a “unit” be when unit testing?

Question

On Proggit today I was reading the comment thread on a submission entitled, \"Why Unit Testing Is A Waste of Time\".

I\'m not really concerned with premise of the ar

Answer 1

To me, a "unit" is any significant behavior of a class that, in 8-12 months down the road, I'm not going to remember.

And with well-written unit tests (think BDD), I won't have to, because my test will describe to me and verify the code in plain English.