AdventOfCode/01/tests/CMakeLists.txt

83 lines
2.7 KiB
CMake

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