Hedgehog for Scala

Hedgehog

Project	Maven Central	Maven Central (JS)
hedgehog-core
hedgehog-runner
hedgehog-sbt
hedgehog-minitest
hedgehog-munit

• Supported Scala Versions: 2.12, 2.13 and 3.1+

Hedgehog will eat all your bugs.

Hedgehog is a modern property-based testing system, in the spirit of QuickCheck (and ScalaCheck). Hedgehog uses integrated shrinking, so shrinks obey the invariants of generated values by construction.

• Current Status
• Features
• Getting Started
  • SBT Binary Dependency
  • SBT Source Dependency
  • SBT Testing
  • IntelliJ
• Example
• Guides
  • Tutorial
  • State Tutorial
  • State Tutorial - Vars
  • Migration from ScalaCheck
  • Differences to Haskell Hedgehog
• Motivation
  • Design Considerations
• Resources
• Alternatives
• Integration with other test libraries
  • Minitest
  • MUnit

Current Status

This project is still in some form of early release. The API may break during this stage until (if?) there is a wider adoption.

Please drop us a line if you start using scala-hedgehog in anger, we'd love to hear from you.

Features

• Integrated shrinking, shrinks obey invariants by construction.
• Abstract state machine testing.
• Range combinators for full control over the scope of generated numbers and collections.
• SBT test runner
• Currently no external dependencies in the core module