Gopter

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About

Gopter is ranked #2 of 27 in property-based testing tools on Inferse. It runs on Linux, Self-hosted. There is a free plan.

Compared on property-based testing tools

Free plan: Yesgithub.com
Supported languages: Gogithub.com
Test runner support: Go testing package; GoConveygithub.com
Failing-case shrinking: Yesgithub.com
Stateful testing: Yesgithub.com
Reproducible failures: Yesgithub.com

Facts

Purpose: Gopter brings ScalaCheck-style property testing to Go.github.com · 30 Sept 2026
Testing scope: Gopter is described as a more sophisticated version of Go's testing/quick package.github.com · 30 Sept 2026
Generators: Gopter provides tighter control over generators than testing/quick.github.com · 30 Sept 2026
Shrinking: Its shrinkers automatically find the minimum value that falsifies a property.github.com · 30 Sept 2026
Regex support: Gopter includes a generator for regex matches.github.com · 30 Sept 2026
Stateful testing: Gopter supports stateful tests.github.com · 30 Sept 2026
Commands limitation: The README says parallel commands are not available yet.github.com · 30 Sept 2026
Documentation packages: Documentation covers gopter, gen, prop, arbitrary, commands, and convey packages.github.com · 30 Sept 2026
GoConvey integration: The convey package provides helpers used by Gopter inside GoConvey tests.github.com · 30 Sept 2026
License: The project is distributed under the MIT License.github.com · 30 Sept 2026
Module version: pkg.go.dev lists version v0.2.11, published April 3, 2024.pkg.go.dev · 30 Sept 2026
API usage: The package provides TestingRun for running property checks with a Go testing.T context.pkg.go.dev · 30 Sept 2026
Maker business: Leanovate describes itself as a software development company supporting product implementation, technical scaling, digital transformation, organizational development, workshops, and training.linkedin.com · 30 Sept 2026
Maker size: Leanovate is listed as having 11–50 employees.linkedin.com · 30 Sept 2026
Support channel: The project is hosted in a public GitHub repository with an Issues section.github.com · 30 Sept 2026
Purpose: Gopter is a Go property-testing library that brings ideas from ScalaCheck and QuickCheck to Go.github.com · 2 Oct 2026
Property testing: It creates properties from condition functions and generated inputs.github.com · 2 Oct 2026
Generators: It provides tighter control over generators than Go's testing/quick package.github.com · 2 Oct 2026
Shrinking: Its shrinkers automatically seek a minimum value that falsifies a property.github.com · 2 Oct 2026
Regex generation: It includes a generator for regular-expression matches.github.com · 2 Oct 2026
Stateful tests: It supports stateful tests based on arbitrary commands.github.com · 2 Oct 2026
GoConvey: The gopter/convey package provides helpers for using Gopter inside GoConvey tests.github.com · 2 Oct 2026
Testing integration: Properties can be run with Go's testing.T through TestingRun.pkg.go.dev · 2 Oct 2026
Generator composition: Generators support operations including Map, FlatMap, SuchThat, and WithShrinker.pkg.go.dev · 2 Oct 2026
Reporting: Gopter provides console and formatted reporters for test results.pkg.go.dev · 2 Oct 2026
License: The repository identifies Gopter as MIT licensed.github.com · 2 Oct 2026
Platform and delivery: The project is a Go module with module path github.com/leanovate/gopter and declares Go 1.20.github.com · 2 Oct 2026
Known limitation: The README notes that Gopter does not provide ScalaCheck's Pretty feature and has no parallel commands yet.github.com · 2 Oct 2026