Jiří Štefka
8a4b3174b8
GCov and LCOV don't overwrite the files when new data is available ... for whatever reason
84 lines
2.7 KiB
CMake
84 lines
2.7 KiB
CMake
set(PROJECT_NAME ${PROJECT_NAME} PARENT_SCOPE )
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# GoogleTest requires at least C++14
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set(CMAKE_CXX_STANDARD 14)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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# Get GoogleTest
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include(FetchContent)
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FetchContent_Declare(
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googletest
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URL https://github.com/google/googletest/archive/03597a01ee50ed33e9dfd640b249b4be3799d395.zip
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)
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# For Windows: Prevent overriding the parent project's compiler/linker settings
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set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
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FetchContent_MakeAvailable(googletest)
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add_subdirectory(src)
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add_executable(tests ${TESTS})
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# Link test executable against gtest & gtest_main
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target_link_libraries(
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tests
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GTest::gtest_main
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)
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target_include_directories(tests PRIVATE
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${CMAKE_SOURCE_DIR}/src
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)
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# Discover tests
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include(GoogleTest)
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gtest_discover_tests(tests)
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add_dependencies(tests ${PROJECT_NAME})
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# The following section is inspired by https://github.com/cmake-modules/lcov
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if(ENABLE_COVERAGE)
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message("Test coverage enabled")
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# set(exclude_dir "*/tests/* */_deps/* /usr/include/c++/11/**/* /usr/include/c++/**/*")
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# set(exclude_dir "*/tests/* */_deps/* /usr/include/c++/11/tuple /usr/include/c++/11/**/*")
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# Check for lcov, gcov and genhtml
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find_program(GCOV gcov)
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if (NOT GCOV)
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message(WARNING "gcov not found")
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endif()
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find_program(LCOV lcov)
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if (NOT LCOV)
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message(WARNING "lcov not found")
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endif()
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find_program(GENHTML genhtml)
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if (NOT GENHTML)
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message(WARNING "genhtml not found")
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endif()
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if (GCOV AND LCOV AND GENHTML)
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# Set C compiler flags
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --coverage -fprofile-arcs -ftest-coverage")
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# Set C++ compiler flags
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --coverage -fprofile-arcs -ftest-coverage")
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set(covname cov.info)
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add_custom_target(coverage DEPENDS ${covname})
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add_dependencies(coverage tests ${PROJECT_NAME})
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add_custom_command(
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OUTPUT ${covname}
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COMMAND rm -rf **/coverage
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COMMAND ${LCOV} -c -o ${covname} -d ${CMAKE_BINARY_DIR}/tests/CMakeFiles/tests.dir/ -b . --gcov-tool ${GCOV}
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COMMAND ${LCOV} -r ${covname} -o ${covname} "*/tests/*" "*/_deps/**/*" "/usr/include/c++/**/*" "/usr/include/c++/11/**/*"
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COMMAND ${LCOV} -l ${covname}
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COMMAND ${GENHTML} ${covname} -output coverage
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COMMAND ${LCOV} -l ${covname} 2>/dev/null | grep Total | sed 's/|//g' | sed 's/Total://g' | awk '{print $1}' | sed s/%//g > coverage/total
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COMMAND rm -rf CMakeFiles/tests.dir/src/*.gcda CMakeFiles/tests.dir/src/*.gcno
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COMMAND rm -f ${covname}
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)
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set_directory_properties(PROPERTIES
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ADDITIONAL_CLEAN_FILES ${covname}
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)
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set_directory_properties(PROPERTIES
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ADDITIONAL_CLEAN_FILES coverage/
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)
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else()
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message(WARNING "Cannot enable coverage. Missing the required tools")
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endif()
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endif()
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