'Library build with netcoreapp3.1 throws errors on GitHub actions trying to run tests on multiple frameworks

I'm trying to contribute to a great project (https://github.com/billbogaiv/hybrid-model-binding) - I want to update the target framework and set up tests.
My fork: https://github.com/Misiu/hybrid-model-binding/tree/tests
I've updated the project from netstandard2.1 to netcoreapp3.1 and everything works fine.
So now I have 3 projects in the solution:

  • HybridModelBinding - main library project
  • AspNetCoreWebApplication - project with samples
  • HybridModelBinding.UnitTests - project that will contain unit tests

I'd like my tests to run on multiple dotnet versions, so I've added this workflow:

name: .NET Core
# Trigger event on a push or pull request
on: [push, pull_request]

# Jobs that run in parallel
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        dotnet-version: [ '3.1.x','5.0.x', '6.0.x' ]
    # Steps that run sequentially
    steps:
    
    - name: Checkout
      uses: actions/checkout@v2
      
    - name: Setup .NET Core SDK ${{ matrix.dotnet-version }}
      uses: actions/[email protected]
      with:
        dotnet-version: ${{ matrix.dotnet-version }}
        
    - name: Install dependencies
      run: dotnet restore
      
    - name: Build
      run: dotnet build --configuration Release --no-restore
      
    - name: Test
      run: dotnet test --no-restore --verbosity normal

So in theory everything should be built and run on 3 runtimes. The first build works fine (on 3.1.x), but the second and third throw errors:

Test run for /home/runner/work/hybrid-model-binding/hybrid-model-binding/tests/HybridModelBinding.UnitTests/bin/Debug/netcoreapp3.1/HybridModelBinding.UnitTests.dll (.NETCoreApp,Version=v3.1) Microsoft (R) Test Execution Command Line Tool Version 16.11.0 Copyright (c) Microsoft Corporation. All rights reserved.

Starting test execution, please wait... A total of 1 test files matched the specified pattern. Testhost process exited with error: It was not possible to find any compatible framework version The framework 'Microsoft.AspNetCore.App', version '3.1.0' was not found.

Test Run Aborted. 3>Done Building Project "/home/runner/work/hybrid-model-binding/hybrid-model-binding/tests/HybridModelBinding.UnitTests/HybridModelBinding.UnitTests.csproj" (VSTest target(s)) -- FAILED. 1>Done Building Project "/home/runner/work/hybrid-model-binding/hybrid-model-binding/HybridModelBinding.sln" (VSTest target(s)) -- FAILED.

Build FAILED.

Build summary: https://github.com/Misiu/hybrid-model-binding/runs/5392702331?check_suite_focus=true

I can compile projects locally and run the tests, but I'd like to run them on GitHub, so in the future, we can add more tests and develop the library easier.

c++sharp.net-coregithub-actionsxunit.net


Solution 1:[1]

Specify the Target framework monikers (TFMs) via include under the matrix and specify the framework for dotnet test by adding the argument -f=${{ matrix.tfm }}.

name: .NET Core
# Trigger event on a push or pull request
on: [push, pull_request]

# Jobs that run in parallel
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
        - dotnet-version: '3.1.x'
          tfm: 'netcoreapp3.1'
        - dotnet-version: '5.0.x'
          tfm: 'net5.0'
        - dotnet-version: '6.0.x'
          tfm: 'net6.0'
    # Steps that run sequentially
    steps:
    
    - name: Checkout
      uses: actions/checkout@v2
      
    - name: Setup .NET Core SDK ${{ matrix.dotnet-version }}
      uses: actions/[email protected]
      with:
        dotnet-version: ${{ matrix.dotnet-version }}
        
    - name: Install dependencies
      run: dotnet restore -p:TargetFramework=${{ matrix.tfm }}
      
    - name: Build
      run: dotnet build --configuration Release --no-restore
      
    - name: Test
      run: dotnet test --no-restore --verbosity normal -f=${{ matrix.tfm }}

Sources

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Source: Stack Overflow

Solution Source
Solution 1

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