URL
http://tddbc.doorkeeper.jp/events/4663
Cycle of TDD
- Decide Next Target
- Write Test Code To Achieve The Target
- Make The Test Fail To Run（RED)
- Write Objective Code
- Make It Success That The Test Code At Step3（Green）
- Do Refactoring Keeping Test Case Success（Refactor)
- Go Back Step1
Golden Cycle
- Red（Beautiful/Not Work -> Durty/Not Work）
- Green（Durty/Not Work -> Durty/Work）
- Refactoring（Durty/Work -> Beautiful/Work）
Merit of TDD
Physiological Thing!
- To Get Feedback Immediately
- To Get Confidence For Your Code
- To Get Confidence For Your Code In The Future
Fragile Test
- It Takes Too Much Time For Developing
- It’s Too Detail
- Other Test Depends On It
Fake it
- Implementation For Test
- To Use For First Implementation
- Return Const Value At First
- After Success The Test Case, Change Case From Const Value To Expressionく
Book