FsCheck vs SwiftCheck
FsCheck
fscheck.github.ioSwiftCheck
github.comSide by side
| Figure | FsCheck | SwiftCheck |
|---|---|---|
| Price from | Free | — |
| Free plan | Yes | — |
| Free trial | — | — |
| Open source | — | — |
| Windows | Yes | — |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | — | Yes |
| Plans published | 1 | 0 |
| Spec score · Property-Based Testing Tools | 8.4 (#3) | 6.5 (#27) |
| Audience | FsCheck is for developers who want to test properties of .NET programs with generated inputs. | The project describes itself as QuickCheck for Swift and links a beginner-level tutorial playground for users new to its concepts. |
| Counterexamples | When a property fails, FsCheck displays a minimal counterexample. | When a generated test case fails, SwiftCheck shrinks the data toward a minimal counterexample. |
| Generators | Users can define custom test data generators and shrinkers, and package them together in Arbitrary instances. | The library provides generator combinators for choosing values, filtering generated values, and composing generators. |
| Installation | FsCheck and its NUnit and xUnit.NET plugins can be installed from NuGet. | The README describes installation through Swift Package Manager, Carthage, CocoaPods, or by adding the Xcode project as a framework dependency. |
| Integrations | The project documents integrations with xUnit.net and NUnit, and user-created integrations with Expecto, Fuchu, AutoFixture and MSTest. | The README documents installation through Swift Package Manager, Carthage, CocoaPods, or by adding the Xcode project as a framework. |
| License | The project says its BSD license permits modification and redistribution for commercial and non-commercial purposes. | SwiftCheck is released under the MIT license. |
| Purpose | FsCheck automatically tests .NET programs by checking properties against randomly generated cases. | SwiftCheck is a Swift testing library that automatically generates random data to test program properties. |
Plans
In their own words
FsCheck
FsCheck checks properties of.NET programs against randomly generated cases. Developers can express properties in F#, C# or VB, then run them with the built-in runner from an interactive session, a command-line program or a test framework. Integrations are documented for xUnit.net and NUnit, with user-created integrations for Expecto, Fuchu, AutoFixture and MSTest. When a property fails, FsCheck shrinks the input and shows a minimal counterexample. Developers can also define custom generators and shrinkers and group them in Arbitrary instances. The library supports parameterized cases and parallel execution, and its packages and NUnit and xUnit.NET plugins are available from NuGet. FsCheck is free: its listed plan is free, with a BSD license permitting commercial and non-commercial modification and redistribution. It runs on Linux, macOS and Windows. The project maintains version 3.x, but its documentation covers 2.x and is described as out of date and incomplete. Its model-based testing API is experimental and exempt from semantic-versioning guarantees.