TDD for Testers

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Gil Zilberfeld

Explaining why TDD is important from a testing perspective.

Software

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

Issues
• Requires discipline
• Works better for greenfield projects
• Not for everyone

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!

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

Our Death Star
Weapons Defense
Navigation Environment

Summary
• TDD is great for all kind of projects
• It’s a valuable tool for developers
• Discipline and persistence pays off

@gil_zilberfeld
http://www.gilzilberfeld.com
http://www.everydayunittesting.com
May The Force Be With You!

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TDD for Testers

1. Gil Zilberfeld TDD for Testers

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

3. Test Driven Development

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

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

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

10. Our Death Star Weapons Defense Navigation Environment

11. Weapons

12. Defense

13. Navigation

14. Environment

15. Summary • TDD is great for all kind of projects • It’s a valuable tool for developers • Discipline and persistence pays off

16. @gil_zilberfeld http://www.gilzilberfeld.com http://www.everydayunittesting.com May The Force Be With You!

TDD for Testers

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