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Exception when using more than 2 mocks in a test function

See original GitHub issue

When installing Autofixture.AutoMoc 4.8.0 with Moq 4.8.0 or above this exception happens:

If I leave 2 Mocks, it will work fine. The function I try:

 [Theory, InlineAutoData]
        public void test(
            Mock<ILog> a,
            Mock<ILog> b,
            Mock<ILog> c)
        { 
        }

Exception:…

Result StackTrace:	
at AutoFixture.Kernel.TerminatingWithPathSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\TerminatingWithPathSpecimenBuilder.cs:line 82
   at AutoFixture.BehaviorRoot.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\BehaviorRoot.cs:line 71
   at AutoFixture.Kernel.RecursionGuard.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\RecursionGuard.cs:line 167
   at AutoFixture.Fixture.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Fixture.cs:line 276
   at AutoFixture.Kernel.SpecimenContext.Resolve(Object request) in C:\projects\autofixture\Src\AutoFixture\Kernel\SpecimenContext.cs:line 33
   at AutoFixture.Kernel.SeedIgnoringRelay.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\SeedIgnoringRelay.cs:line 42
   at AutoFixture.Kernel.CompositeSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\CompositeSpecimenBuilder.cs:line 52
   at AutoFixture.Kernel.CompositeSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\CompositeSpecimenBuilder.cs:line 52
   at AutoFixture.Kernel.Postprocessor`1.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\Postprocessor.cs:line 271
   at AutoFixture.AutoPropertiesTarget.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\AutoPropertiesTarget.cs:line 71
   at AutoFixture.Kernel.CompositeSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\CompositeSpecimenBuilder.cs:line 52
   at AutoFixture.Kernel.TerminatingWithPathSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\TerminatingWithPathSpecimenBuilder.cs:line 78
   at AutoFixture.BehaviorRoot.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\BehaviorRoot.cs:line 71
   at AutoFixture.Kernel.RecursionGuard.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\RecursionGuard.cs:line 167
   at AutoFixture.Fixture.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Fixture.cs:line 276
   at AutoFixture.Kernel.SpecimenContext.Resolve(Object request) in C:\projects\autofixture\Src\AutoFixture\Kernel\SpecimenContext.cs:line 33
   at AutoFixture.Kernel.ParameterRequestRelay.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\ParameterRequestRelay.cs:line 32
   at AutoFixture.Kernel.CompositeSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\CompositeSpecimenBuilder.cs:line 52
   at AutoFixture.Kernel.CompositeSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\CompositeSpecimenBuilder.cs:line 52
   at AutoFixture.Kernel.Postprocessor`1.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\Postprocessor.cs:line 271
   at AutoFixture.AutoPropertiesTarget.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\AutoPropertiesTarget.cs:line 71
   at AutoFixture.Kernel.CompositeSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\CompositeSpecimenBuilder.cs:line 52
   at AutoFixture.Kernel.TerminatingWithPathSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\TerminatingWithPathSpecimenBuilder.cs:line 78
   at AutoFixture.BehaviorRoot.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\BehaviorRoot.cs:line 71
   at AutoFixture.Kernel.RecursionGuard.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\RecursionGuard.cs:line 167
   at AutoFixture.Fixture.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Fixture.cs:line 276
   at AutoFixture.Xunit2.AutoDataAttribute.GetData(MethodInfo testMethod) in C:\projects\autofixture\Src\AutoFixture.xUnit2\AutoDataAttribute.cs:line 116
   at AutoFixture.Xunit2.CompositeDataAttribute.<>c__DisplayClass5_0.<GetData>b__0(DataAttribute attr) in C:\projects\autofixture\Src\AutoFixture.xUnit2\CompositeDataAttribute.cs:line 61
   at System.Linq.Enumerable.<>c__DisplayClass7_0`3.<CombineSelectors>b__0(TSource x)
   at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
   at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
   at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
   at AutoFixture.Xunit2.EnumerableExtensions.<Zip>d__0`2.MoveNext() in C:\projects\autofixture\Src\AutoFixture.xUnit2\EnumerableExtensions.cs:line 20
----- Inner Stack Trace -----
   at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
   at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)
   at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, Object[] index)
   at AutoFixture.Kernel.AutoPropertiesCommand`1.Execute(Object specimen, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\AutoPropertiesCommand.cs:line 256
   at AutoFixture.Kernel.Postprocessor`1.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\Postprocessor.cs:line 282
   at AutoFixture.AutoPropertiesTarget.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\AutoPropertiesTarget.cs:line 71
   at AutoFixture.Kernel.CompositeSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\CompositeSpecimenBuilder.cs:line 52
   at AutoFixture.Kernel.TerminatingWithPathSpecimenBuilder.Create(Object request, ISpecimenContext context) in C:\projects\autofixture\Src\AutoFixture\Kernel\TerminatingWithPathSpecimenBuilder.cs:line 58
----- Inner Stack Trace -----
   at Moq.Mock.set_DefaultValue(DefaultValue value) in C:\projects\moq4\Source\Mock.cs:line 175
Result Message:	
AutoFixture.ObjectCreationExceptionWithPath : AutoFixture was unable to create an instance from Moq.Mock`1[Common.Logging.ILog] because creation unexpectedly failed with exception. Please refer to the inner exception to investigate the root cause of the failure.

Request path:
	Moq.Mock`1[Common.Logging.ILog] c
	  Moq.Mock`1[Common.Logging.ILog]

Inner exception messages:
	System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
	  System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values.
Parameter name: value


---- System.Reflection.TargetInvocationException : Exception has been thrown by the target of an invocation.
-------- System.ArgumentOutOfRangeException : Specified argument was out of the range of valid values.
Parameter name: value

With Version 4.7.145 of Moq, it works ok for more than 3 mocks.

Issue Analytics

State:
Created 4 years ago
Comments:5 (2 by maintainers)

Top GitHub Comments

2reactions

zvirjacommented, May 21, 2019

You should have your own InlineAutoMoqData, instead of InlineAutoData:

public class InlineAutoMoqDataAttribute : InlineAutoDataAttribute
{
    public InlineAutoMoqDataAttribute(params object[] values)
        : base(new AutoMoqData(), values) { }
}

Should work.

1reaction

zvirjacommented, May 21, 2019

Hi @ronenfe,

AutoData and InlineAutoData do not become aware of Moq when you just install the AutoFixture.AutoMoq package. Instead, you should create your own data attributes derived from the default ones, customize fixture with Moq support and use them instead.

Implementation might be like following:

 public class AutoMoqDataAttribute : AutoDataAttribute
    {
        public AutoMoqDataAttribute() :
            base(() => new Fixture().Customize(new AutoMoqCustomization()))
        {
        }
    }

It should help 😉