Test-Driven Development

One of the foundational concepts of Agile software development is ensuring that your solution is loosely-coupled, highly-cohesive, and able to respond easily to changes; in this session we will explore the fundamentals of unit testing and their application through the practice of using TDD to evolve the design of your solution such that the results are both testable and flexible in the face of changing real-world requirements.

http://www.testingtv.com/2010/03/24/test-driven-development/

Test-Driven Development With Refactoring

Success on an Agile project relies heavily on the people in the trenches. Developers, testers, and product managers focused together, can deliver astonishing accomplishments in a short amount of time. Extraordinary results require discipline, motivation and alignment. Test Driven Development (TDD) and Refactoring creates the momentum to help developers organically adapt to an endlessly changing world. In this hands-on tutorial, you will see and try simple TDD and Refactoring exercises. The session is split in two videos.


http://www.testingtv.com/2009/09/24/test-driven-development-with-refactoring/

Test Driven Development: Ten Years Later

http://www.infoq.com/presentations/tdd-ten-years-later