This is too easy. I'm not sure what I'll be posting here, if anything. The title of the blog comes from the music I'm listening to now.
It looks like Mr. Sutherland's article on functional testing vs. unit testing has been around for a while, but I just came across it via Hacker News. Benefits of automated functional testing My experience with unit tests has been largely ad-hoc, for example when I'm working with a bug-prone chunk of code. I've never been part of a large system with solid unit test coverage or worked in a TDD environment. That being said, I agree with the general premise of Tim's message. As the release manager (by default) on a fairly complex java system, having a number of solid automated functional tests was very valuable to prevent a lot of wasted testing time during busy release weekends. The ROI of creating and maintaining a large set of unit tests seems to be much less.
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