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lomholdt/Directory.Build.props

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Make internals visible to other projects (eg. test projects)
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Directory.Build.props
<Project>
<Target Name="InternalsVisibleToTask" BeforeTargets="GenerateAdditionalSources" Condition="@(InternalsVisibleTo) != ''">
<ItemGroup>
<AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleTo">
<_Parameter1>%(InternalsVisibleTo.Identity)</_Parameter1>
</AssemblyAttribute>
</ItemGroup>
</Target>
</Project>
@lomholdt
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lomholdt commented Oct 5, 2020 •
edited

Usage

Add a Directory.Build.props to your src folder with the above build task.

In the .csproj file containing the internal class add a

  <ItemGroup>
    <InternalsVisibleTo Include="Project.Name.UnitTest" />
  </ItemGroup>

@jonas-lomholdt
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As of .NET 5, this is natively supported
https://jolo.codes/blog/make-internals-visible-to-test-projects/

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