Critical issues on test-driven development
PROFES'11 Proceedings of the 12th international conference on Product-focused software process improvement
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Test Driven Development has long been a key tool in the agile toolbox. Often it is suggested that the technique has moved into the mainstream and that not applying a test first approach is exceptional. Recent coverage in the community has even started to describe a post-TDD approach. Having worked with TDD for the last five years with varying degrees of rigor and success I have observed that far from being ubiquitous, effective application of TDD is uncommon. This paper takes a pragmatic approach inevaluating the implementation of, impediments against and measurable benefits of TDD on a large, commercially successful, project. Analysis of this experience will show how and why TDD is being used incorrectly and how this situation can be corrected. The analysis will show how project delivery improved when a more effective approach was applied.