Slides from a presentation I gave at CRineta (www.crineta.org) at its April '10 meeting.

1. Unit Testing and Test Driven Development Presented By Greg Sohl

3. Testing? Dude, I Already Test Do you currently unit test your code? What types of unit tests do you create? CRineta Member Survey, 8/08

4. Unit Testing and TDD The process of designing software by writing a validating client before the code. What is Test-Driven Development (TDD)? Programmatically and continuously validating the correctness the code. What is Automated Unit Testing?

5. Unit Testing and TDD Automated Unit Testing != Test-Driven Development TDD is a way of thinking about your code, but it doesn’t require automated unit testing. Agile processes adapt to change. Unit tests help to manage change in our code. Unit Testing is a key component of the Agile Methodology

6. Unit Testing

7. Writing Tests First

8. Testing - Before and After

9. TDD

10. TDD Demo

12. Sounds good, but…

19. Good Unit Tests

20. Good Unit Tests

24. Demo #2

28. Questions