tasty-quickcheck-laws
hedgehog
| tasty-quickcheck-laws | hedgehog | |
|---|---|---|
| - | 5 | |
| 2 | 687 | |
| - | 0.1% | |
| 0.0 | 5.9 | |
| over 6 years ago | 2 months ago | |
| Haskell | Haskell | |
| BSD 3-clause "New" or "Revised" License | BSD 3-clause "New" or "Revised" License |
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tasty-quickcheck-laws
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Tracking mentions began in Dec 2020.
hedgehog
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The sad state of property-based testing libraries
> - rose tree "integrated shrinking" (eg. Hedgehog) follows the constraints of the generators, but has issues with monadic bind.
We're at the limits of my amateur knowledge, but I believe this is a fundamental limitation of monadic bind/generators. Instead, you should prefer applicative generators for ideal shrinking. https://github.com/hedgehogqa/haskell-hedgehog/issues/473#is...
In other words, applicative generators do not use "results of generators to dispatch to another generator", but instead shrinking is optimal due to the "parallel" nature of applicatives (I'm using "parallel" in the monadic sense, and not the sense of article's "threading" sense).
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Monthly Hask Anything (May 2022)
I've had some PRs open on hedgehog for one and two months respectively. It looks like the maintainer isn't currently very active, which is fair enough. This isn't about criticizing him, and I'm not trying to take over the repo.
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Monthly Hask Anything (February 2022)
Testing libraries like hedgehog often run tests in parallel, so you may find related issues to work on.
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Mutation Testing
Haskell has QuickCheck and Hedgehog, and dotnet has both as well. F# is favored, but there's C# interop.
What are some alternatives?
quickcheck-higherorder - QuickCheck extension for higher-order properties
QuickCheck - Automatic testing of Haskell programs.
quickcheck-io - Use HUnit assertions as QuickCheck properties
ghc-prof-flamegraph
quickcheck-state-machine-distributed
tasty - Modern and extensible testing framework for Haskell