add coverage

.gitea/workflows/ci.yml

@@ -20,12 +20,19 @@ jobs:
           git fetch --depth 1 origin ${{ github.sha }}
           git checkout FETCH_HEAD
       - name: Configure
-        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Debug -DENABLE_COVERAGE=ON
 
       - name: Build
-        run: cmake --build build --config Release -j "$(nproc)"
+        run: cmake --build build --config Debug -j "$(nproc)"
         
       - name: Test
         run: |
           cd build
           ctest --output-on-failure
+
+      - name: Coverage
+        run: |
+          lcov --capture --directory build --output-file build/coverage.info
+          lcov --remove build/coverage.info "/usr/*" "*/build/*" "*/_deps/*" --output-file build/coverage.info
+          lcov --summary build/coverage.info
+          genhtml build/coverage.info --output-directory build/coverage-html

CMakeLists.txt

@@ -4,6 +4,8 @@ project(bar)
 include(CTest)
 enable_testing()
 
+option(ENABLE_COVERAGE "Enable coverage flags" OFF)
+
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
@@ -73,6 +75,11 @@ target_include_directories(bar_tests PRIVATE
 )
 target_link_libraries(bar_tests PRIVATE Catch2::Catch2WithMain)
 
+if(ENABLE_COVERAGE)
+    target_compile_options(bar_tests PRIVATE -O0 -g --coverage)
+    target_link_options(bar_tests PRIVATE --coverage)
+endif()
+
 include(Catch)
 catch_discover_tests(bar_tests)