Introduction to Test Driven Development for testers

1. @gil_zilberfeld
TDD For The Rest Of Us
Gil Zilberfeld

2. @gil_zilberfeld
Who Am I
Agile helper
Software improver
Author of “Everyday Unit Testing”
www.gilzilberfeld.com
www.everydayunittesting.com
@gil_zilberfeld

3. @gil_zilberfeld
Test Driven Development

4. @gil_zilberfeld
Demo

5. @gil_zilberfeld
Benefits
• Same unit testing tools
• Better coverage
• Less debugging
• Better design
Think before your code!

6. @gil_zilberfeld
Issues
• Requires discipline
• Works better for greenfield projects
• Not for everyone

7. @gil_zilberfeld
Principles
• Plan ahead
• 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!

8. @gil_zilberfeld
TDD in Legacy Code
• Start a bug fix with a test
• Start a feature with a test
Not just for greenfield projects!

9. @gil_zilberfeld
Summary
• TDD is great for all kind of projects
• It’s all in your head
• Discipline and persistence pays off

10. @gil_zilberfeld
Thank You!
• Questions?
• Contact me:
• @gil_zilberfeld
• http://www.gilzilberfeld.com
• http://www.everydayunittesting.com