Unit test providers

Editor note: We recommend reading this documentation entry at http://www.specflow.org/documentation/Unit-test-providers. We use the GitHub wiki for authoring the documentation pages.

SpecFlow supports several unit test framework to execute the acceptance tests. You can use one of the built-in unit test providers or create a custom provider. The unit test provider to be used can be configured through the <unitTestProvider> configuration element.

The following table contains the built-in unit test providers.

Name	Supports			Description
	row tests	categories	inconclusive
SpecFlow+ Runner (fka SpecRun)	+	+	+	SpecFlow+ Runner is a test execution framework specialized for SpecFlow. Install it with the SpecRun.SpecFlow NuGet package. See SpecRun Integration for details.
NUnit	+	+	+	See http://www.nunit.org. Specialized NuGet packages available for easy setup: SpecFlow.NUnit, SpecFlow.NUnit.Runners. Supports parallel execution with NUnit v3.
MsTest.2008	-	-	+	MsTest provider for .NET 3.5
MsTest MsTest.2010	-	+	+	MsTest provider for .NET 4.0. Supporting test-categories. Specialized NuGet package available for easy setup: SpecFlow.MsTest.
MsTest.Silverlight MsTest.Silverlight3 MsTest.Silverlight4	-	+	+	Silverlight Unit Test Framework http://code.msdn.microsoft.com/silverlightut. See Silverlight Support.
MsTest.WindowsPhone7	-	+	+	See Windows Phone 7 Support.
xUnit	+	-	-	See http://www.xunit.net. Specialized NuGet package available for easy setup: SpecFlow.xUnit. Supports parallel execution with xUnit v2.
mbUnit	+	+	+	MbUnit provider. See http://www.mbunit.com.
mbUnit.3	+	+	+	MbUnit Version 3 provider. See http://www.mbunit.com.