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I don't understand the obsession with testing. You can't test for unknown unknowns, that is, non-obvious bugs. Sure it's nice "automated documentation" but I f

• webmobdev 6y ago
  From what I understand - you don't test for all unknowns as that is humanly impossible. You test for realistic "known" only. This largely prevents regression bugs as new fixes or features are added. When a bug reveals itself and is fixed, it becomes a known case that you can decide to create a test for (if necessary) and prevent its recurrence in the future. Personally, I feel it improves the code quality and readability for others as the tests also help them better understand the functionality of the code within a project.