'GenerateFeatureFileCodeBehindTask task failed unexpectedly

when I try to build I am getting this error.

I am using VS studio 2019, and Specflow 3.9.69

Severity Code Description Project File Line Suppression State Error The

"GenerateFeatureFileCodeBehindTask" task failed unexpectedly. System.Exception: Unit test Provider already set. at TechTalk.SpecFlow.UnitTestProvider.UnitTestProviderConfiguration.UseUnitTestProvider(String unitTestProviderName) at TechTalk.SpecFlow.MSTest.Generator.SpecFlowPlugin.GeneratorPlugin.Initialize(GeneratorPluginEvents generatorPluginEvents, GeneratorPluginParameters generatorPluginParameters, UnitTestProviderConfiguration unitTestProviderConfiguration) in D:\a\1\s\Plugins\TechTalk.SpecFlow.MSTest.Generator.SpecFlowPlugin\GeneratorPlugin.cs:line 14 at TechTalk.SpecFlow.Generator.GeneratorContainerBuilder.LoadPlugins(ObjectContainer container, GeneratorPluginEvents generatorPluginEvents, UnitTestProviderConfiguration unitTestProviderConfiguration, IEnumerable1 generatorPlugins) at TechTalk.SpecFlow.Generator.GeneratorContainerBuilder.CreateContainer(SpecFlowConfigurationHolder configurationHolder, ProjectSettings projectSettings, IEnumerable1 generatorPluginInfos, IObjectContainer parentObjectContainer) at SpecFlow.Tools.MsBuild.Generation.WrappedGeneratorContainerBuilder.BuildGeneratorContainer(SpecFlowConfigurationHolder specFlowConfigurationHolder, ProjectSettings projectSettings, IReadOnlyCollection`1 generatorPluginInfos, IObjectContainer rootObjectContainer) at SpecFlow.Tools.MsBuild.Generation.GenerateFeatureFileCodeBehindTaskExecutor.Execute() at SpecFlow.Tools.MsBuild.Generation.GenerateFeatureFileCodeBehindTask.Execute() at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute() at Microsoft.Build.BackEnd.TaskBuilder.d__26.MoveNext() SchuhTestProject

c++sharpvisual-studio-2019specflow


Solution 1:[1]

You have more than one of these NuGet packages added to your project:

  • SpecFlow.xUnit
  • SpecFlow.MSTest
  • SpecFlow.NUnit

Remove the one that you don't want.

You can only have one of these, as they configure SpecFlow which Test Runner it should use.

Sources

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Source: Stack Overflow

Solution Source
Solution 1 Andreas Willich

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