Implement coverage for Windows/Linux/MacOS (#126) (#128)

* Implement coverage for Windows/Linux/MacOS (#126) * reverted --------- Co-authored-by: Saikari <lin@sz.cn.eu.org>
2026-02-13 07:03:25 +00:00 · 2025-12-25 02:28:17 +03:00
parent d16984a8b2
commit 29da13d244
11 changed files with 874 additions and 34 deletions
--- a/cmake/Coverage.cmake
+++ b/cmake/Coverage.cmake
@@ -0,0 +1,122 @@
+# cmake/Coverage.cmake
+include_guard(GLOBAL)
+
+function(omath_setup_coverage TARGET_NAME)
+    if(ANDROID OR IOS OR EMSCRIPTEN)
+        return()
+    endif()
+
+    if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang")
+        # Apply to ALL configs when coverage is enabled (not just Debug)
+        target_compile_options(${TARGET_NAME} PRIVATE
+            -fprofile-instr-generate
+            -fcoverage-mapping
+            -g
+            -O0
+        )
+        target_link_options(${TARGET_NAME} PRIVATE
+            -fprofile-instr-generate
+            -fcoverage-mapping
+        )
+
+    elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+        target_compile_options(${TARGET_NAME} PRIVATE
+            --coverage
+            -g
+            -O0
+        )
+        target_link_options(${TARGET_NAME} PRIVATE
+            --coverage
+        )
+
+    elseif(MSVC)
+        target_compile_options(${TARGET_NAME} PRIVATE
+            /Zi
+            /Od
+            /Ob0
+        )
+        target_link_options(${TARGET_NAME} PRIVATE
+            /DEBUG:FULL
+            /INCREMENTAL:NO
+        )
+    endif()
+
+    # Create coverage target only once
+    if(TARGET coverage)
+        return()
+    endif()
+
+    if(MSVC OR MINGW)
+        # Windows: OpenCppCoverage
+        find_program(OPENCPPCOVERAGE_EXECUTABLE 
+            NAMES OpenCppCoverage OpenCppCoverage.exe
+            PATHS
+                "$ENV{ProgramFiles}/OpenCppCoverage"
+                "$ENV{ProgramW6432}/OpenCppCoverage"
+                "C:/Program Files/OpenCppCoverage"
+            DOC "Path to OpenCppCoverage executable"
+        )
+
+        if(NOT OPENCPPCOVERAGE_EXECUTABLE)
+            message(WARNING "OpenCppCoverage not found. Install with: choco install opencppcoverage")
+            set(OPENCPPCOVERAGE_EXECUTABLE "C:/Program Files/OpenCppCoverage/OpenCppCoverage.exe")
+        else()
+            message(STATUS "Found OpenCppCoverage: ${OPENCPPCOVERAGE_EXECUTABLE}")
+        endif()
+
+        file(TO_NATIVE_PATH "${CMAKE_SOURCE_DIR}" COVERAGE_ROOT_PATH)
+        file(TO_NATIVE_PATH "${CMAKE_BINARY_DIR}/coverage" COVERAGE_OUTPUT_PATH)
+        file(TO_NATIVE_PATH "${CMAKE_BINARY_DIR}/coverage.xml" COVERAGE_XML_PATH)
+        file(TO_NATIVE_PATH "${OPENCPPCOVERAGE_EXECUTABLE}" OPENCPPCOVERAGE_NATIVE)
+
+        add_custom_target(coverage
+            DEPENDS unit_tests
+            COMMAND "${OPENCPPCOVERAGE_NATIVE}"
+                --verbose
+                --sources "${COVERAGE_ROOT_PATH}"
+                --modules "${COVERAGE_ROOT_PATH}"
+                --excluded_sources "*\\tests\\*"
+                --excluded_sources "*\\gtest\\*"
+                --excluded_sources "*\\googletest\\*"
+                --excluded_sources "*\\_deps\\*"
+                --excluded_sources "*\\vcpkg_installed\\*"
+                --export_type "html:${COVERAGE_OUTPUT_PATH}"
+                --export_type "cobertura:${COVERAGE_XML_PATH}"
+                --cover_children
+                -- "$<TARGET_FILE:unit_tests>"
+            WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+            COMMENT "Running OpenCppCoverage"
+        )
+
+    elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang")
+        # Linux/macOS: LLVM coverage via script
+        add_custom_target(coverage
+            DEPENDS unit_tests
+            COMMAND bash "${CMAKE_SOURCE_DIR}/scripts/coverage-llvm.sh"
+                "${CMAKE_SOURCE_DIR}"
+                "${CMAKE_BINARY_DIR}"
+                "$<TARGET_FILE:unit_tests>"
+                "${CMAKE_BINARY_DIR}/coverage"
+            WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+            COMMENT "Running LLVM coverage"
+        )
+
+    elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+        # GCC: lcov/gcov
+        add_custom_target(coverage
+            DEPENDS unit_tests
+            COMMAND $<TARGET_FILE:unit_tests> || true
+            COMMAND lcov --capture --directory "${CMAKE_BINARY_DIR}"
+                --output-file "${CMAKE_BINARY_DIR}/coverage.info"
+                --ignore-errors mismatch,gcov
+            COMMAND lcov --remove "${CMAKE_BINARY_DIR}/coverage.info"
+                "*/tests/*" "*/gtest/*" "*/googletest/*" "*/_deps/*" "/usr/*"
+                --output-file "${CMAKE_BINARY_DIR}/coverage.info"
+                --ignore-errors unused
+            COMMAND genhtml "${CMAKE_BINARY_DIR}/coverage.info"
+                --output-directory "${CMAKE_BINARY_DIR}/coverage"
+            WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+            COMMENT "Running lcov/genhtml"
+        )
+    endif()
+endfunction()