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by krapp
4497 days ago
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If I have projects which were written without tests because I was an idiot and didn't know "running it and seeing that it works" counted as a test, should I go back and write tests for what I already have or start testing on new code only? |
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1. Don’t ship any new features without writing unit tests for them first.
2. These new features most likely rely on parts of existing code so write a few tests for that existing code with each new feature.
3. If something breaks in production write a test for it at the time that you fix it.
Little by little you’ll increase your code coverage without grinding development to a halt.