FSharp.Hedgehog vs Gopter
FSharp.Hedgehog
github.comGopter
github.comSide by side
| Figure | FSharp.Hedgehog | Gopter |
|---|---|---|
| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | — |
| macOS | Yes | — |
| Linux | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 0 | 2 |
| Spec score · Property-Based Testing Tools | 7.5 (#13) | 8.6 (#2) |
| Generators | It includes generators for primitive values and composable operations for building generators for complex types. | It provides tighter control over generators than Go's testing/quick package. |
| License | The repository license is Apache License 2.0. | The repository identifies Gopter as MIT licensed. |
| Purpose | Hedgehog is a property-based testing system for .NET that automatically generates inputs to help find edge cases. | Gopter is a Go property-testing library that brings ideas from ScalaCheck and QuickCheck to Go. |
Plans
In their own words
FSharp.Hedgehog
FSharp.Hedgehog has no write-up on Specifiction yet; its figures are above.
Gopter
Gopter is a free Go module for property-based testing. It creates properties from conditions and generated inputs, then checks whether those properties hold. Its generators provide more control than Go's testing/quick package and can be composed with operations such as Map, FlatMap, SuchThat, and WithShrinker. When a property fails, shrinkers seek a smaller value that still demonstrates the failure. Gopter also includes a generator for regular-expression matches and supports stateful tests based on arbitrary commands. Properties can run with Go's testing.T through TestingRun, and the gopter/convey package provides helpers for using Gopter inside GoConvey tests. Console and formatted reporters present test results. The project declares Go 1.20 and is distributed under the MIT License. Its documentation covers the gopter, gen, prop, arbitrary, commands, and convey packages. The README identifies two omissions: ScalaCheck's Pretty feature is not provided, and parallel commands are not available yet.