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Auto-generate F# program file #1664

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merged 7 commits into from
Jul 10, 2018
Merged

Auto-generate F# program file #1664

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72cdfdc
Auto-generate F# program file
saul Jun 29, 2018
4e68110
Update Microsoft.NET.Test.Sdk.targets
saul Jun 29, 2018
13f4d46
Update Microsoft.NET.Test.Sdk.targets
saul Jun 29, 2018
ba470a5
Don't generate a Program.fs if one already exists.
saul Jul 4, 2018
6e1aa3c
Merge branch 'master' into patch-1
saul Jul 4, 2018
c888e5b
Merge branch 'master' into patch-1
smadala Jul 5, 2018
c33be0e
Merge branch 'master' into patch-1
singhsarab Jul 6, 2018
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20 changes: 18 additions & 2 deletions src/package/nuspec/Microsoft.NET.Test.Sdk.targets
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,7 @@
Condition="'$(GenerateProgramFile)' == 'true'" />

<Target Name="CoreGenerateProgramFile"
Condition="'$(Language)'=='VB' or '$(Language)'=='C#'"
Condition="'$(Language)'=='VB' or '$(Language)'=='C#' or '$(Language)'=='F#'"
Inputs="$(MSBuildAllProjects)"
Outputs="$(GeneratedProgramFile)">

Expand All @@ -76,15 +76,31 @@
<Line Include="End Sub"/>
<Line Include="End Module"/>
</ItemGroup>

<ItemGroup Condition="'$(Language)'=='F#'">
<Line Include="// &lt;auto-generated&gt; This file has been auto generated. &lt;/auto-generated&gt;"/>
<Line Include="module AutoGeneratedProgram"/>
<Line Include="[&lt;EntryPoint&gt;]"/>
<Line Include="[&lt;Microsoft.VisualStudio.TestPlatform.TestSDKAutoGeneratedCode&gt;]"/>
<Line Include="let main _ = 0"/>
</ItemGroup>

<WriteLinesToFile
File="$(GeneratedProgramFile)" Lines="@(Line)" Overwrite="true" Encoding="Unicode">
</WriteLinesToFile>

<!--
Compile Include the generated Program File
-->
<ItemGroup>
<ItemGroup Condition="'$(Language)'!='F#'">
<Compile Include="$(GeneratedProgramFile)"/>
</ItemGroup>

<ItemGroup Condition="'$(Language)'=='F#'">
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I'm not sure runtimeconfig.*.json will gets generates because CompileAfter?
FYI dotnet/sdk#201 #287.

@saul did you test simple unit test project of F# with your changes?

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I think I understood what is CompileAfter. Now it makes sense after reading issue one more time.

I have checked out your branch and verified E2E scenario. Below are the issue we need to address.

  • Newly created F# unit test project not getting compiled because of below compilation error.
PS C:\Users\samadala\tmp\fs-test-project> dotnet test
Build started, please wait...
C:\Users\samadala\tmp\fs-test-project\Program.fs(1,1): error FS0222: Files in libraries or multiple-file applications must begin with a namespace or module declaration. When using a module declaration at the start of a file the '=' sign is not allowed. If this is a top-level module, consider removing the = to resolve this error. [C:\Users\samadala\tmp\fs-test-project\fs-test-project.fsproj]

This can be fixed by removing <Compile Include="Program.fs" /> from template fsproj here and removing Program.fs, We can address this with separate https://github.com/dotnet/templating PR

  • Test project created with old templates fail to compile with above error on updating to latest Microsoft.NET.Test.Sdk package.

This can be fixed by adding check here that don't include GeneratedProgramFile in CompileAfter if Compile item group contains Program.fs.

@saul Can you please fix the seconds issue in this PR?

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Thanks @smadala - I've fixed the second problem.

I've added a warning: A 'Program.fs' file can be automatically generated for F# .NET Core test projects. To fix this warning, either delete the file from the project, or set the <GenerateProgramFile> property to 'false'.

This lets the user either remove their Program.fs, or disables <GenerateProgramFile> if they need a complex Program.fs for whatever reason.

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@saul Adding warning is very good idea.

<ProgramCompiles Include="@(Compile)" Condition=" '%(Identity)' == 'Program.fs' "/>
<CompileAfter Include="$(GeneratedProgramFile)" Condition="@(ProgramCompiles-&gt;Count()) == 0"/>
</ItemGroup>

<Warning Condition=" @(ProgramCompiles-&gt;Count()) != 0 " Text="A 'Program.fs' file can be automatically generated for F# .NET Core test projects. To fix this warning, either delete the file from the project, or set the &lt;GenerateProgramFile&gt; property to 'false'." />
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This might need localization. We will take it in separate PR if required.

</Target>
</Project>