Parse coverage to Cobertura fmt and upload them

.github/workflows/ci.yml

@@ -34,6 +34,14 @@ jobs:
           sudo apt update
           sudo apt install -y git-delta
 
+      - name: Install coverage collection dependencies
+        run: |
+          set -eu
+
+          go install github.com/AlekSi/gocov-xml@latest
+          go install github.com/axw/gocov/gocov@latest
+          dotnet tool install -g dotnet-reportgenerator-globaltool
+
       - name: Prepare tests artifacts path
         run: |
           set -eu
@@ -49,9 +57,11 @@ jobs:
           set -eu
 
           # The coverage is not written if the output directory does not exist, so we need to create it.
-          raw_cov_dir="/tmp/raw_files"
-          rm -fr "${raw_cov_dir}"
-          mkdir -p "${raw_cov_dir}"
+          cov_dir="$(pwd)/coverage"
+          raw_cov_dir="${cov_dir}/raw_files"
+          codecov_dir="${cov_dir}/codecov"
+
+          mkdir -p "${raw_cov_dir}" "${codecov_dir}"
 
           # Print executed commands to ease debugging
           set -x
@@ -63,10 +73,30 @@ jobs:
             gotestfmt --logfile "${AUTHD_TEST_ARTIFACTS_DIR}/gotestfmt.cover.log"
 
           # Convert the raw coverage data into textfmt so we can merge the Rust one into it
-          go tool covdata textfmt -i="${raw_cov_dir}" -o="/tmp/coverage.out"
+          go tool covdata textfmt -i="${raw_cov_dir}" -o="${cov_dir}/coverage.out"
+
+          # Filter out the testutils package
+          grep -v -e "testutils" "${cov_dir}/coverage.out" >"${cov_dir}/coverage.out.filtered"
 
-          # Filter out the testutils package and the pb.go file
-          grep -v -e "testutils" "/tmp/coverage.out" >"/tmp/coverage.out.filtered"
+          # Generate the Cobertura report for Go
+          gocov convert "${cov_dir}/coverage.out.filtered" | gocov-xml > "${cov_dir}/coverage.xml"
+          reportgenerator -reports:"${cov_dir}/coverage.xml" -targetdir:"${codecov_dir}" -reporttypes:Cobertura
+
+          # Store the coverage directory for the next steps
+          echo COVERAGE_DIR="${codecov_dir}" >> $GITHUB_ENV
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          files: ${{ env.COVERAGE_DIR }}/Cobertura.xml
+          token: ${{ secrets.CODECOV_TOKEN }}
+
+      - name: Upload coverage report as artifact
+        if: github.ref == 'refs/heads/main'
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage.zip
+          path: ${{ env.COVERAGE_DIR }}
 
       - name: Upload test artifacts
         if: failure()