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How a QA Team Fits into an Agile, TDD/BDD World

by Chris Durand, CTO

ChrisDurand-B360Let’s be honest, Quality Assurance is a necessary evil. Many of you have probably wondered why developers can’t just get it right the first time. Why do we pay developers to write bugs, and then pay testers to go and find them?

The answer simply stated is — writing software is hard. Software developers need to be extremely detail oriented, yet also keep the big picture in mind. They must balance short-term tradeoffs with long-term considerations. They often have to learn new tools and technologies with each project while balancing the demands of outside influencers. Oh, you needed that feature or bug fix done yesterday? And you want that application to work on all browsers released in the last 3 years (that’s 24 versions of Google Chrome alone since March 2011), plus mobile? It’s no wonder developers struggle to write perfect code every time.

While it can produce quality results, the old model of throwing code over the wall from the development team to the QA team is inefficient. We that build software have to do more for less, faster, and in a more complex environment than ever before. The rise of automated unit testing and Test- or Behavior-Driven Development (TDD and BDD) is an attempt to realize improvements. By testing at the core (that is, with the developer), we find bugs as early as possible (which yields tremendous savings as discussed in the post https://bridge360blog.com/2013/12/04/5-ways-qa-supports-development/). Automated unit testing also makes it easier to update the application going forward by identifying unexpected broken dependencies in the code before they get in front of a customer. Continue reading