ci: use dotcover for code coverage

Author: piksel

.github/workflows/build-test.yml

@@ -22,7 +22,9 @@ jobs:
       LIB_PROJ: src/ICSharpCode.SharpZipLib/ICSharpCode.SharpZipLib.csproj
     steps:
     - uses: actions/checkout@v2
-      
+      with:
+        fetch-depth: 0
+
     - name: Setup .NET Core
       uses: actions/setup-dotnet@v1
       with:
@@ -39,43 +41,73 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu, windows, macos]
+        # Windows testing is combined with code coverage
+        os: [ubuntu, macos]
         target: [netcoreapp3.1]
-        include:
-          - os: windows
-            target: net46
     steps:
     - uses: actions/checkout@v2
-      
+      with:
+        fetch-depth: 0
+
     - name: Setup .NET Core
       if: matrix.target == 'netcoreapp3.1'
       uses: actions/setup-dotnet@v1
       with:
         dotnet-version: '3.1.x'
 
-    # NOTE: This is the temporary fix for https://github.com/actions/virtual-environments/issues/1090
-    - name: Cleanup before restore
-      if: ${{ matrix.os == 'windows' }}
-      run: dotnet clean ICSharpCode.SharpZipLib.sln && dotnet nuget locals all --clear
-
     - name: Restore test dependencies
       run: dotnet restore
 
     - name: Run tests (Debug)
       run: dotnet test -c debug -f ${{ matrix.target }} --no-restore
 
     - name: Run tests (Release)
-      # Only upload code coverage for windows in an attempt to fix the broken code coverage
-      if: ${{ matrix.os == 'windows' }}
-      run: dotnet test -c release -f ${{ matrix.target }} --no-restore --collect="XPlat Code Coverage"
-      
-    - name: Run tests with coverage (Release)
-      # Only upload code coverage for windows in an attempt to fix the broken code coverage
-      if: ${{ matrix.os != 'windows' }}
       run: dotnet test -c release -f ${{ matrix.target }} --no-restore
 
+      
+  CodeCov:
+    name: Code Coverage
+    runs-on: windows-latest
+    env:
+      DOTCOVER_VER: 2021.1.2
+      DOTCOVER_PKG: jetbrains.dotcover.commandlinetools
+      COVER_SNAPSHOT: SharpZipLib.dcvr
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+        
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '3.1.x'
+        
+    # NOTE: This is the temporary fix for https://github.com/actions/virtual-environments/issues/1090
+    - name: Cleanup before restore
+      run: dotnet clean ICSharpCode.SharpZipLib.sln && dotnet nuget locals all --clear
+   
+    - name: Install codecov
+      run: nuget install -o tools -version ${{env.DOTCOVER_VER}} ${{env.DOTCOVER_PKG}}
+   
+    - name: Add dotcover to path
+      run: echo "$(pwd)\tools\${{env.DOTCOVER_PKG}}.${{env.DOTCOVER_VER}}\tools" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+   
+    - name: Run tests with code coverage
+      run: dotcover dotnet --output=${{env.COVER_SNAPSHOT}} --filters=-:ICSharpCode.SharpZipLib.Tests -- test -c release
+   
+    - name: Create code coverage report
+      run: dotcover report --source=${{env.COVER_SNAPSHOT}} --reporttype=detailedxml --output=dotcover-report.xml
+  
     - name: Upload coverage to Codecov
       uses: codecov/codecov-action@v1.2.2
+      with:
+        files: dotcover-report.xml
+        
+    - name: Upload coverage snapshot artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: Code coverage snapshot
+        path: ${{env.COVER_SNAPSHOT}}
 
   Pack:
     needs: [Build, Test]

test/ICSharpCode.SharpZipLib.Tests/ICSharpCode.SharpZipLib.Tests.csproj

@@ -8,15 +8,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="coverlet.collector" Version="3.0.3">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.1" />
     <PackageReference Include="nunit" Version="3.13.1" />
     <PackageReference Include="nunit.console" Version="3.12.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.17.0" />
-    <PackageReference Include="OpenCover" Version="4.6.519" />
     <PackageReference Include="System.Text.Encoding.CodePages" Version="4.4.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>