8 Perspectives of Quality: A Model

In my last blog post, I shared my views on quality regarding goodness, value, and correctness. In this post, I'd like to share a model that I've been using for a few years in my past few companies, to describe different perspectives of quality and how they relate, as well as where testing activities fit [...]

Adapting Crosby’s 4 absolutes of quality into a software context

Philip Crosby has a big reputation as being a quality leader in the manufacturing industry, having authored many books on quality between 1968 and 1999. Some of his well known work that he's quoted on regularly include: "quality is free", "zero defects through prevention", and his "4 absolutes of quality". Although Crosby spoke of these [...]

If I could change one thing in the Agile Manifesto…

I recently attended an Agile workshop for new joiners at my company, where as part of the workshop, the agile manifesto and principles were presented. For those of you that haven't seen the manifesto in a while, here they are: Agile Manifesto, taken from agilemanifesto.org The manifesto seems to have stood the test of time. [...]

A Better Testing Pyramid

The Automation Triangle (or pyramid) has continually caused a bit of a stir in the testing world. It has been mislabelled many times to be called a "testing" triangle. It has been abused in many companies by being followed as a "test strategy". It has been butchered in ways that cause further misunderstandings and has [...]

“Acceptance Testing” – What does it mean?

There are loads of people who use the term "acceptance testing"... Most people have different definitions of what this means. And more still will struggle to even define what they mean personally with the term when they say it. I also regularly hear the words "feature files" mentioned in some of those conversations when people are [...]

Information, and its relationship with testing and checking

UPDATE: Thanks to John Stevenson for his feedback of the model, I've updated the model appropriately to represent the fact that checking activities also inform our testing, (as John described in the comments below). Also, thanks again to everyone else who has reviewed and fed back on the model too.  One of the biggest problems [...]