You don't really want or need classical unit tests for compilers. You need a har... | Hacker News

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		atq2119 3 months ago \| parent \| context \| favorite \| on: Five Years of Tinygrad You don't really want or need classical unit tests for compilers. You need a harness that you can feed a program representation into and get a transformed one out, then check the result -- ideally mostly just by running it, or alternatively by comparing the output against a reference.

0x696C6961 3 months ago [–]

How is that not a unit test?

rustybolt 3 months ago | [–]

I've hear people refer to it as an end-to-end test, where unit tests usually test a single class or function.

0x696C6961 3 months ago | | [–]

That's only if you subscribe to the London school of though, which results in a bunch of useless tests that are coupled to implementation details.

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