Forked from bartelink/PostProcessWhereIsACustomization.cs
Created
January 7, 2020 12:47
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AutoFixture customization to allow insertion of arbitrary postprocessing logic a la Customize( c=>c.Do()) but in a global manner
Revised for v3 (initally for v2)
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| namespace Ploeh.AutoFixture | |
| { | |
| using Kernel; | |
| using System; | |
| public class PostProcessWhereIsACustomization<T> : ICustomization | |
| where T : class | |
| { | |
| readonly PostProcessSpecimensBehavior _behavior; | |
| public PostProcessWhereIsACustomization( Action<T> action ) | |
| { | |
| _behavior = new PostProcessSpecimensBehavior( action ); | |
| } | |
| void ICustomization.Customize( IFixture fixture ) | |
| { | |
| fixture.Behaviors.Add( _behavior ); | |
| } | |
| class PostProcessSpecimensBehavior : ISpecimenBuilderTransformation | |
| { | |
| readonly Action<object> _applyActionIfSpecimenIsOfTypeT; | |
| public PostProcessSpecimensBehavior( Action<T> action ) | |
| { | |
| _applyActionIfSpecimenIsOfTypeT = x => | |
| { | |
| var asT = x as T; | |
| if ( asT != null ) | |
| action( asT ); | |
| }; | |
| } | |
| ISpecimenBuilder ISpecimenBuilderTransformation.Transform( ISpecimenBuilder builder ) | |
| { | |
| return new SpecimenBuilderPostProcessor( builder, _applyActionIfSpecimenIsOfTypeT ); | |
| } | |
| class SpecimenBuilderPostProcessor : ISpecimenBuilderNode | |
| { | |
| readonly ISpecimenBuilder _builder; | |
| readonly Action<object> _postProcess; | |
| public SpecimenBuilderPostProcessor( ISpecimenBuilder builder, Action<object> initializationAction ) | |
| { | |
| _postProcess = initializationAction; | |
| _builder = builder; | |
| } | |
| object ISpecimenBuilder.Create( object request, ISpecimenContext context ) | |
| { | |
| var specimen = _builder.Create( request, context ); | |
| _postProcess( specimen ); | |
| return specimen; | |
| } | |
| ISpecimenBuilderNode ISpecimenBuilderNode.Compose( System.Collections.Generic.IEnumerable<ISpecimenBuilder> builders ) | |
| { | |
| return new SpecimenBuilderPostProcessor( new CompositeSpecimenBuilder( builders ), _postProcess ); | |
| } | |
| System.Collections.Generic.IEnumerator<ISpecimenBuilder> System.Collections.Generic.IEnumerable<ISpecimenBuilder>.GetEnumerator() | |
| { | |
| yield return _builder; | |
| } | |
| System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() | |
| { | |
| yield return _builder; | |
| } | |
| } | |
| } | |
| } | |
| } |
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