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23 August 2010

Lisa Crispin's test quadrants

On Wednesday’s our team checks into a meeting room and holds a tech talk.  Recently we have been watching videos from the NDC.

Lisa Crispin presented a video on testing approaches and put up a slide (p19) with a four box quadrant to help think about testing.  The quadrant axes are Business v Technical and Support the team v Test the product.

The developers on our team really liked the model.  It gave them a mental model on how it all hangs together.  I wasn't so much a fan so I challenged them on it.  I like my axes to be opposites and I felt that the support the team v test the product axes were not quite right.  I get the idea but wasn’t really sold on it as a useful model.  I thought the model Lisa presents is really a stack.  Take a look and see what you think.

Anyway, the devs talked and I listened and they explained that from the perspective it made a lot of sense. I had another look at it and decided to elaborate some of the ideas and try to make it my own.

The main goals for me are to make the axes the right ones without varying from Lisa's model to far.  I want the essence to stay the same but to get a better sense f the why, rather than simply the what and who of testing.

This is my attempt.  What do you think? Can this help you with your project’s test strategy?