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Discussion on: No excuses, write unit tests

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Chris Koeberle

Once you make unit tests part of your routine, you will likely find that you are much more efficient at writing your quick experiments that never see the light of day - assuming that you're working in a context where you are already proficient at writing unit tests.

If your quick experiment is of the "let me see if I can integrate these two unfamiliar technologies" sort, then of course unit tests aren't going to be helpful. But if your quick experiment is (or can be) easily testable, then it most likely makes sense to write the tests.

In essence, I'm convinced that "will it go to prod" is completely orthogonal to "should I write tests." Unit tests are there to make development easier. If you want your development to be easier, make a conscious decision about whether the effort to write the tests is justified.