Funnily enough for the reasons carefully explained in the article. i.e. cost vs benefit, fragility etc. Nobody disputes that if they came for free then full un

Funnily enough for the reasons carefully explained in the article. i.e. cost vs benefit, fragility etc. Nobody disputes that if they came for free then full unit test coverage would be a good thing. The area open to reasonable debate is whether they give the best bang per buck in terms of testing (as opposed to the role of tests in TDD - which is a different kettle of fish: http://www.drdobbs.com/tdd-is-about-design-not-testing/229218691 http://www.drdobbs.com/tdd-is-about-design-not-testing/22921... )