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2Comments have been moved to chat; please do not continue the discussion here. Before posting a comment below this one, please review the purposes of comments. Comments that do not request clarification or suggest improvements usually belong as an answer, on Software Engineering Meta, or in Software Engineering Chat. Comments continuing discussion may be removed.maple_shaft– maple_shaft ♦2023-06-15 12:43:15 +00:00Commented Jun 15, 2023 at 12:43
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3The real value of a test is to demonstrate that a bug has been fixed. And does not come back later.Thorbjørn Ravn Andersen– Thorbjørn Ravn Andersen2023-06-17 09:17:03 +00:00Commented Jun 17, 2023 at 9:17
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@ThorbjørnRavnAndersen why would the bug "come back later"? Isn't the whole point of a unit test, to just test the unit, isolated from ANY external dependencies. If you don't touch the unit, why would the bug come back, aren't computers deterministic? Is it to assert that you didn't change the initial behavior of the function for any future developers (including yourself)? These may be silly questions, but honestly if someone asked me I wouldn't be able to answer them!Rockstar5645– Rockstar56452025-05-20 19:19:27 +00:00Commented May 20 at 19:19
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1@Rockstar5645 regressions happen. Merge conflicts. Git force pushes. EtcThorbjørn Ravn Andersen– Thorbjørn Ravn Andersen2025-05-21 17:41:03 +00:00Commented May 21 at 17:41
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