quickcheck-state-machine VS hedgehog

Compare quickcheck-state-machine vs hedgehog and see what are their differences.

quickcheck-state-machine

Test monadic programs using state machine based models (by advancedtelematic)

hedgehog

Release with confidence, state-of-the-art property testing for Haskell. (by hedgehogqa)
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quickcheck-state-machine hedgehog
- 5
196 686
- 0.7%
1.0 6.2
almost 4 years ago 15 days ago
Haskell Haskell
BSD 3-clause "New" or "Revised" License BSD 3-clause "New" or "Revised" License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

quickcheck-state-machine

Posts with mentions or reviews of quickcheck-state-machine. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning quickcheck-state-machine yet.
Tracking mentions began in Dec 2020.

hedgehog

Posts with mentions or reviews of hedgehog. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-07-04.
  • The sad state of property-based testing libraries
    21 projects | news.ycombinator.com | 4 Jul 2024
    > - 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).

  • Monthly Hask Anything (May 2022)
    4 projects | /r/haskell | 3 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.
  • Monthly Hask Anything (February 2022)
    4 projects | /r/haskell | 1 Feb 2022
    Testing libraries like hedgehog often run tests in parallel, so you may find related issues to work on.
  • Mutation Testing
    5 projects | /r/programming | 13 Apr 2021
    Haskell has QuickCheck and Hedgehog, and dotnet has both as well. F# is favored, but there's C# interop.

What are some alternatives?

When comparing quickcheck-state-machine and hedgehog you can also consider the following projects:

genvalidity - Validity and validity-based testing

QuickCheck - Automatic testing of Haskell programs.

tasty - Modern and extensible testing framework for Haskell

speculate - Speculate laws about Haskell functions

quickcheck-arbitrary-adt - Typeclass for generating a list of each instance of a sum type's constructors

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