typelevel / typelevel/weaver-test
Cats instances for Scalacheck `Gen`?
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- Dominant language
- Scala
- Stars
- 85
- Forks
- 15
- PR merge metrics
- No merged PRs in 30d
Description
This issue was copied over from: https://github.com/disneystreaming/weaver-test/issues/589
It was opened by: armanbilge
Specifically, to help with this:
https://github.com/disneystreaming/weaver-test/blob/850a8a6aeb4875d916663092e362eb0bfc24bc99/docs/scalacheck.md?plain=1#L46-L53
Which is a reasonable setup IMO. Personally I'm just missing some of the handy combinators for composition. E.g. it would be nice to express that example using .product or .tupled instead of needing the multi-line for ... yield.
There's options like cats-scalacheck but it would be very convenient to be able to do this out-of-the-box.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with docs/scalacheck.md, especially the linked example around lines 46-53, and inspect how ScalaCheck Gen is currently used there. Determine the required Cats instances and combinators for expressing the example with product or tupled; done means the supported composition works out of the box and the documentation example reflects it.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- scala
- Domain
- testing
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100