Continuous Integration, a basic XP practice, has now become an accepted development best practice. InfoQ presents Chapter 6: Continuous Testing, with advice and examples for writing good tests to ensure system quality, from the book "Continuous Integration: Improving Software Quality and Reducing Risk," which aims help teams make CI a transparent "non-event".
Dan Bunea shows developers how TDD can be applied in .NET using Selenium RC and Castle. Test first principals provide architects a way to quickly jump into active development early in the application development lifecycle. The benefits of TDD are a drastic reduction in defects as well as increased flexibility in the code base since the application evolves quickly through an iterative process.
Jeff Xiong shows how to use Selenium, a browser-based acceptance testing tool, to test Ajax apps. 8