Fix code coverage collection with VSTest

Author: Tsingis

.github/workflows/test.yml

@@ -35,14 +35,14 @@ jobs:
         run: dotnet build -c Release --no-restore
       - name: Test & collect coverage
         run: |
-          dotnet test -c Release --no-restore --no-build -- \
-          --coverage --coverage-output-format xml --coverage-output ${{ github.workspace }}/coverage.xml
+          dotnet test -c Release --no-restore --no-build \
+          --settings coverage.runsettings --results-directory ${{ github.workspace }}/test-results/coverage.xml
         env:
           USE_MOCKING: ${{ vars.USE_MOCKING }}
           SHOW_MOCKING_LOGS: ${{ vars.SHOW_MOCKING_LOGS }}
       - name: Find coverage files and generate report
         run: |
-          dotnet tool run reportgenerator -reports:"${{ github.workspace }}/**/coverage.xml" \
+          dotnet tool run reportgenerator -reports:"${{ github.workspace }}/test-results/**/*cobertura.xml" \
           -targetdir:"coverage-report" \
           -reporttypes:MarkdownSummaryGithub
       - name: Upload coverage report

.gitignore

@@ -26,8 +26,9 @@ bld/
 [Ll]ogs/
 
 # Coverage
-[Cc]overagereport
-coverage.*.xml
+[Cc]overage-report
+*coverage.*.xml
+*cobertura.xml
 
 # PDFs
 *.pdf

coverage.ps1

@@ -1,14 +1,14 @@
-dotnet test -c Debug --no-restore --no-build -- --coverage --coverage-output-format xml --coverage-output coverage.xml
+dotnet test -c Release --settings coverage.runsettings --results-directory test-results
 
-$coverageFiles = Get-ChildItem -Path "tests" -Recurse -Filter "coverage.xml"
+$coverageFiles = Get-ChildItem -Path "test-results" -Recurse -Filter "*cobertura.xml"
 
 if ($coverageFiles) {
     $reportFiles = ($coverageFiles | ForEach-Object { $_.FullName }) -join ";"
-    dotnet tool run reportgenerator -reports:$reportFiles -targetdir:coveragereport
+    dotnet tool run reportgenerator -reports:$reportFiles -targetdir:coverage-report
 
-    Start-Process "coveragereport/index.html"
+    Start-Process "coverage-report/index.html"
 } else {
     Write-Host "Coverage reports not found."
 }
 
-Get-ChildItem -Path "tests" -Recurse -Filter "TestResults" | ForEach-Object { Remove-Item -Recurse -Force -Path $_.FullName }
+Get-ChildItem -Path "test-results" -Recurse | ForEach-Object { Remove-Item -Recurse -Force -Path $_.FullName }

coverage.runsettings

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RunSettings>
+  <DataCollectionRunSettings>
+    <DataCollectors>
+      <DataCollector friendlyName="Code Coverage">
+        <Configuration>
+          <Format>cobertura</Format>
+          <Include>
+            <ModulePath>.*[\\/]src[\\/].*\.dll$</ModulePath>
+          </Include>
+          <Exclude>
+            <ModulePath>.*Microsoft.*</ModulePath>
+            <ModulePath>.*System.*</ModulePath>
+            <ModulePath>.*Docker.*</ModulePath>
+            <ModulePath>.*Testcontainers.*</ModulePath>
+            <ModulePath>.*xunit.*</ModulePath>
+          </Exclude>
+        </Configuration>
+      </DataCollector>
+    </DataCollectors>
+  </DataCollectionRunSettings>
+</RunSettings>