XP: eXtreme Programming

• Pair programming
• Test-Driven Development (TDD)
• Refactoring
• Simple Design

Test-Driven Development

TDD: Research

Developer Testing in The IDE: Patterns, Beliefs, And Behavior

—M. M. Beller, et al, Delft University of Technology

Less than 1 in 10 developers who claim to do TDD actually get anywhere close when observed doing their work

TDD: Better

Refactoring

• Make sure all the tests pass
• Make a small change to the design of the code that improves it
• Make sure all the tests still pass

Demonstration

https://github.com/canberra-code-dojo/fcis