The document discusses Test Driven Development (TDD) and Test Driven Design. It uses the analogy of building a lightsaber and later a Death Star to illustrate the TDD process and benefits. Some benefits mentioned are better test coverage, less debugging, and better design. The document provides tips for practicing TDD including planning ahead, defining boundaries, taking small steps to pass each test, and maintaining discipline. It emphasizes trying TDD in a team and considering Behavior Driven Development (BDD) as well.

1. @gil_zilberfeld
TDD for the rest of us

2. @gil_zilberfeld
Hello!
I AM GIL ZILBERFELD
www.gilzilberfeld.com
www.everydayunittesting.com
@gil_zilberfeld

3. @gil_zilberfeld
Test Driven Development
Or is it Test Driven Design?

4. @gil_zilberfeld
The TDD Cycle

5. @gil_zilberfeld
Let’s build a lightsaber!

6. @gil_zilberfeld
What are the requirements?

7. @gil_zilberfeld
Let’s build it!

8. @gil_zilberfeld
Let’s build a better lightsaber!

9. @gil_zilberfeld
What are the new requirements?

10. @gil_zilberfeld
BENEFITS
Same tools
Better coverage
Less debugging
Better design*
Think before your code!
You can also split your content
ISSUES
Requires discipline
Works better for greenfield
projects
Takes time to get to great
results
The light side vs the dark side

11. @gil_zilberfeld
Plan ahead
Define boundaries
Small steps
Smallest amount of code to pass the test
JUST to pass the test
Focus on the current test
Ask questions
Discipline, discipline, discipline!
You can also split your contentYoda says…

12. @gil_zilberfeld
Not every project is lightsaber size

13. @gil_zilberfeld
COMPONENTS
Navigation
Shields
Environment
Weapons
Energy
TIE Fighters
You can also split your content
ACCEPTANCE
Divide and conquer
Interaction and boundaries
Testing strategy
BDD
Our Death Star is composed of smaller things

14. @gil_zilberfeld
Summary
◉ Try it!
◉ In a team
◉ How about BDD?
◉ And remember…

15. @gil_zilberfeld
A death star with no tests is very dangerous!

16. @gil_zilberfeld
Thanks!
ANY QUESTIONS?
You can find me at:
@gil_zilberfeld
http://www.GilZilberfeld.com
http://www.EverydayUnitTesting.com
http://www.fastee.im