Making changes to the Gleam code generators: quick, easy
Updating the thousand or so codegen unit tests: pain
Conversation
Hey should I be using snapshot testing?
Is `insta` a good lib for that in Rust?
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Looks nice, let's try it!
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I use it for codespan - seems to work well!
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Ooh I could use it for errors messages. I don't even have automated tests for them at the moment
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Ohhh, more for just the console dump, I think we need a better solution for codespan
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One thing I'd love (but haven't had the time to do) is to have a 'resolved' dignostic representation in codespan that could be independently rendered separated from the file DB. you could then serialise that and make layout-independent assertions on it.
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And render a diff of the diagnostics on failure.
Serialising the diagnostics is also kind of important for letting people support accessibility tools, and something we currently do a really bad job of 😰