FsCheck 2.0.0-alpha

FsCheck is a tool for testing .NET programs automatically. The programmer provides a specification of the program, in the form of properties which functions, methods or objects should satisfy, and FsCheck then tests that the properties hold in a large number of randomly generated cases. While writing the properties, you are actually writing a testable specification of your program. Specifications are expressed in F#, C# or VB, using combinators defined in the FsCheck library. FsCheck provides combinators to define properties, observe the distribution of test data, and define test data generators. When a property fails, FsCheck automatically displays a minimal counter example.

This is a prerelease version of FsCheck.
There is a newer version of this package available.
See the version list below for details.
Install-Package FsCheck -Version 2.0.0-alpha
dotnet add package FsCheck --version 2.0.0-alpha
<PackageReference Include="FsCheck" Version="2.0.0-alpha" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add FsCheck --version 2.0.0-alpha
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

Rename FsCheckTestCaseBuider to Builder. (potentially breaking change)
Add RequireQualifiedAccess to TestResult and Outcome. (breaking change for IRunner implementations and test framework integrations)
Remove Fluent API and SpecBuilder in favor of overloads in Prop and extension methods on Property (breaking change)
Add extension methods to allow working with Arbitrary from C#/VB.
Rename Any to Gen. Rename pretty much all methods on Any to match the existing methods they wrap on Gen module. (breaking change)
Add missing Gen and Arbitrary extension methods and C#/VB wrappers.
Make Property a real type instead of a type alias.
Add discard (by Mauricio Scheffer)
Various improvements and changes to Command interface for easier consumption, also from C#/VB (breaking change)
Add explicit dependency on FSharp.Core Nuget package to hopefully reduce version confusion and make things easier for C#/VB users.

NuGet packages (17)

Showing the top 5 NuGet packages that depend on FsCheck:

Package Downloads
FsCheck.Xunit
FsCheck.Xunit integrates FsCheck with xUnit.NET by adding a PropertyAttribute that runs FsCheck tests, similar to xUnit.NET's FactAttribute. All the options normally available in vanilla FsCheck via configuration can be controlled via the PropertyAttribute.
FsCheck.Nunit
FsCheck.NUnit integrates FsCheck with NUnit by adding a PropertyAttribute that runs FsCheck tests, similar to NUnit TestAttribute. All the options normally available in vanilla FsCheck via configuration can be controlled via the PropertyAttribute.
Expecto.FsCheck
Property testing for Expecto, powered by FsCheck
AutoFixture.Idioms.FsCheck
Ubiquitous use of AutoFixture for unit testing has given rise to a number of idiomatic unit tests - unit tests that tend to follow common templates. The AutoFixture Idioms.FsCheck library encapsulates these idioms into reusable classes and methods.
MBrace.Tests
A collection of abstract NUnit-based test suites for evaluating MBrace runtime implementations.

GitHub repositories (11)

Showing the top 5 popular GitHub repositories that depend on FsCheck:

Repository Stars
dotnet/runtime
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
akkadotnet/akka.net
Port of Akka actors for .NET
commandlineparser/commandline
The best C# command line parser that brings standardized *nix getopt style, for .NET. Includes F# support
AutoFixture/AutoFixture
AutoFixture is an open source library for .NET designed to minimize the 'Arrange' phase of your unit tests in order to maximize maintainability. Its primary goal is to allow developers to focus on what is being tested rather than how to setup the test scenario, by making it easier to create object graphs containing test data.
MetacoSA/NBitcoin
Comprehensive Bitcoin library for the .NET framework.

Version History

Version Downloads Last updated
3.0.0-alpha4 135,642 10/6/2018
3.0.0-alpha3 68,651 12/30/2017
3.0.0-alpha2 6,652 10/19/2017
3.0.0-alpha1 2,034 9/26/2017
2.14.3 113,961 6/9/2020
2.14.2 75,697 3/11/2020
2.14.0 437,113 4/17/2019
2.13.0 202,985 11/11/2018
2.12.1 24,980 10/18/2018
2.12.0 8,110 10/6/2018
2.11.0 117,728 6/15/2018
2.10.10 63,546 5/15/2018
2.10.9 83,086 4/10/2018
2.10.8 66,192 3/3/2018
2.10.7 15,342 1/29/2018
2.10.6 17,399 12/30/2017
2.10.5 8,730 12/28/2017
2.10.4 70,555 11/8/2017
2.10.3 10,202 9/26/2017
2.10.2 9,836 9/25/2017
2.10.1 1,858 9/23/2017
2.10.0 14,271 9/7/2017
2.9.2 8,873 8/28/2017
2.9.1 1,406 8/27/2017
2.9.0 100,963 5/18/2017
2.9.0-rc3 4,425 5/7/2017
2.9.0-rc2 1,224 5/6/2017
2.9.0-rc1 1,209 5/6/2017
2.8.2 6,796 5/6/2017
2.8.1 1,759 5/1/2017
2.8.0 16,561 3/15/2017
2.7.2 8,848 3/5/2017
2.7.1 11,461 2/13/2017
2.7.0 9,067 1/15/2017
2.6.3 1,474 1/13/2017
2.6.2 90,412 10/7/2016
2.6.1 17,282 9/25/2016
2.6.0 39,278 8/3/2016
2.5.0 41,344 6/7/2016
2.4.0 14,446 4/20/2016
2.3.0 3,683 4/11/2016
2.2.5 4,380 3/28/2016
2.2.4 21,472 12/17/2015
2.2.3 3,929 11/26/2015
2.2.2 3,934 11/14/2015
2.2.1 2,082 11/5/2015
2.2.0 12,712 11/1/2015
2.1.0 9,712 9/30/2015
2.0.7 13,217 8/20/2015
2.0.6 1,891 8/14/2015
2.0.5 12,903 7/31/2015
2.0.4 5,052 7/20/2015
2.0.3 28,997 7/10/2015
2.0.2 1,465 7/7/2015
2.0.1 9,534 5/23/2015
2.0.1-rc1 1,310 5/23/2015
2.0.0-alpha 1,359 4/27/2015
1.0.4 17,249 12/9/2014
1.0.3 3,386 11/18/2014
1.0.2 2,241 10/27/2014
1.0.1 2,836 10/18/2014
1.0.0 6,516 8/3/2014
0.9.4 30,454 5/24/2014
0.9.3 2,009 5/9/2014
0.9.2 23,473 11/7/2013
0.9.1 4,388 7/2/2013
0.9.0.1 1,520 6/21/2013
0.9.0 1,599 6/18/2013
0.8.3 2,499 8/26/2012
0.8.2 1,628 7/4/2012
0.8.1 1,700 6/25/2012
0.7.1 2,484 5/29/2011
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