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I understand your point of view but I think it's too "optimistic", i.e. it will not happen soon, at least not outside AI maximalists.

If the tests are written with sufficient detail that you don't need to look at the code, the implementation of the code is such a small part of the overall work that you are gaining very little in terms of overall productivity.

I agree

you're describing TDD and it never turned into the panacea that was promised. I'm excited to try claude code, i even have a decent little personal project lined up for it but someone somewhere will always need to understand the code because tests are never 100% exhaustive and major flaws come up.

Ah yes, can't wait to tell my auditor / regulator "I don't understand the code because Claude wrote it, but it's fine, because understand the code is for boomers." That will get a big laugh in a deposition.

That'll be anachronistic too obviously. Your tests will be audited.