updated workflow to generate coverage report 🤞

Author: dk949

.github/workflows/cmake-multi-platform.yml

@@ -50,10 +50,19 @@ jobs:
         echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
         if [ "$RUNNER_OS" = "Linux" ]; then
           echo "vcpkg-setup-file=bootstrap-vcpkg.sh" >> "$GITHUB_OUTPUT"
+          echo "enable_coverage=ON" >> "$GITHUB_OUTPUT"
         elif [ "$RUNNER_OS" = "Windows" ]; then
           echo "vcpkg-setup-file=bootstrap-vcpkg.bat" >> "$GITHUB_OUTPUT"
+          echo "enable_coverage=OFF" >> "$GITHUB_OUTPUT"
         fi
 
+    - name: Install lcov Linux
+      id: install-lcov
+      if: runner.os == Linux
+      run: |
+        sudo apt update
+        sudo apt install lcov
+
     - name: Cache vcpkg
       id: cache-vcpkg
       uses: actions/cache@v3
@@ -78,11 +87,18 @@ jobs:
         -DCMAKE_CXX_COMPILER=${{ matrix.cxx_compiler }}
         -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
         -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
+        -DENABLE_COVERAGE=${{ steps.strings.outputs.enable_coverage }}
         -S ${{ github.workspace }}
 
     - name: Build
       run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }} -j
 
     - name: Test
+      if: runner.os == Windows
       working-directory: ${{ steps.strings.outputs.build-output-dir }}/tests
       run: ctest --build-config ${{ matrix.build_type }} --output-on-failure
+
+    - name: Test + Coverage
+      if: runner.os != Windows
+      working-directory: ${{ steps.strings.outputs.build-output-dir }}/tests
+      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }} -t coverage