Exploring Extreme Programming
[French translation] Of all the attributes of the INVEST model, “Valuable” is the easiest one to, well, value. Who is against value? We’ll look at these key aspects: What is value? The importance of external impact Value for whom? What Continue reading Valuable Stories in the INVEST Model
French Translation In the INVEST model for user stories, N is for Negotiable (and Negotiated). Negotiable hints at several important things about stories: The importance of collaboration Evolutionary design Response to change Collaboration Why do firms exist? Why isn’t everything Continue reading Negotiable Stories in the INVEST Model
The System Metaphor is one of the less popular parts of Extreme Programming (XP). Newer descriptions often even omit it. But metaphor is useful – when you have a good one, it really helps you understand and organize your system. Continue reading The System Metaphor Explored
French translation The INVEST model is a reminder of the important characteristics of user stories, and it starts with I for Independent. Independent stories each describe different aspects of a system’s capabilities. They are easier to work with because each Continue reading Independent Stories in the INVEST Model
Some unit tests are focused, other are like a run-on sentence. How can we create tests that are focused and communicate well? Arrange-act-assert is a pattern for good tests. What’s a good structure for a unit test? 3A: Arrange, Act, Continue reading 3A – Arrange, Act, Assert
How does the order of tests affect the design of software? A game to explore that idea. Continue reading Tests from a Hat
Growing Object-Oriented Software, Guided by Tests, by Steve Freeman and Nat Pryce, ISBN 0-321-50362-7 Freeman and Pryce explain Test-Driven Development through an extended example. (They have a somewhat different perspective than I do, with much heavier use of mock objects. Continue reading Review – Growing Object-Oriented Software, Guided by Tests
When I'm teaching about retrospectives, there has always been a challenge: a simulated retrospective wants a shared experience. But what shared experience to use? The one experience I know we share is the session we're in, but using a retrospective Continue reading Movie Retrospective
Interview with coach Declan Whelan. Continue reading Coach Interview: Declan Whelan
Commitment is a powerful tool. Continue reading Embracing Commitment