create test and coverage ci

.gitea/workflows/ci.yml

@@ -35,17 +35,8 @@ jobs:
       - name: Build
         run: cmake --build build --config Debug -j "$(nproc)"
 
-      - name: Test
+      - name: Test & Coverage
         run: |
           cd build
-          ctest --output-on-failure
-
-      - name: Coverage
-        run: |
-          GCOV_TOOL="$(/usr/bin/g++ -print-prog-name=gcov)"
-          echo "Using gcov: $GCOV_TOOL"
-          "$GCOV_TOOL" --version
-          lcov --gcov-tool "$GCOV_TOOL" --capture --directory build --output-file build/coverage.info
-          lcov --remove build/coverage.info "/usr/*" --output-file build/coverage.info
-          lcov --summary build/coverage.info
-          genhtml build/coverage.info --output-directory build/coverage-html
+          ctest -T Test --output-on-failure
+          ctest -T Coverage --output-on-failure

CMakeLists.txt

@@ -13,6 +13,13 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2 -DNDEBUG -Wall -Wextra -Wpedantic -Werror")
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG -Wall -Wextra -Wpedantic")
 
+if(ENABLE_COVERAGE)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -g --coverage")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0 -g --coverage")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} --coverage")
+    set(CTEST_COVERAGE_COMMAND "gcov")
+endif()
+
 find_package(PkgConfig REQUIRED)
 
 pkg_check_modules(GTKMM REQUIRED gtkmm-4.0)
@@ -72,10 +79,7 @@ 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()
+# Coverage flags are set globally when ENABLE_COVERAGE is ON.
 
 include(Catch)
 catch_discover_tests(bar_tests)