#UnitTesting consists of adding small/specific tests to a code base.

#TestFirst is coding to satisfy an already established test suite.

#TestDrivenDevelopment is a way of building softwares steadily (you make baby steps, easy to tackle), incrementaly (every steps brings a new feature) with confidence (you know you didn't break what you've made)

#coding #programming #agile #tdd #extremprogramming #xp