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add coverage target in cmake

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yuangongji
2020-01-11 13:23:19 +08:00
parent b530b7f21a
commit 19df3314f4
2 changed files with 72 additions and 0 deletions
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17
CMakeLists.txt
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@@ -16,6 +16,7 @@ STRING (REGEX MATCH "#define MSGPACK_VERSION_REVISION *([0-9a-zA-Z_]*)" NULL_OUT
SET (VERSION_REVISION ${CMAKE_MATCH_1})
SET (VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_REVISION})
LIST (APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
SET (prefix ${CMAKE_INSTALL_PREFIX})
SET (exec_prefix "\${prefix}")
SET (libdir "\${exec_prefix}/lib")
@@ -152,6 +153,7 @@ FIND_PACKAGE (ZLIB)
FIND_PACKAGE (Threads)
IF (GTEST_FOUND AND ZLIB_FOUND AND THREADS_FOUND AND NOT "${MSGPACK_FUZZ_REGRESSION}" STREQUAL "ON")
OPTION (MSGPACK_BUILD_TESTS "Build msgpack tests." ON)
OPTION (MSGPACK_GEN_COVERAGE "Enable running gcov to get a test coverage report." OFF)
ENDIF ()
IF (DEFINED BUILD_SHARED_LIBS)
@@ -277,6 +279,21 @@ IF ("${MSGPACK_FUZZ_REGRESSION}" STREQUAL "ON" AND "${CMAKE_CXX_COMPILER_ID}" ST
SET (MSGPACK_BUILD_EXAMPLES OFF)
ENDIF ()
IF (MSGPACK_GEN_COVERAGE)
IF (NOT MSGPACK_BUILD_TESTS)
MESSAGE(FATAL_ERROR "Coverage requires -DMSGPACK_BUILD_TESTS=ON")
ENDIF ()
STRING(TOUPPER "${CMAKE_BUILD_TYPE}" UPPER_CMAKE_BUILD_TYPE)
IF (NOT "${UPPER_CMAKE_BUILD_TYPE}" STREQUAL "DEBUG")
MESSAGE(FATAL_ERROR "Coverage requires -DCMAKE_BUILD_TYPE=Debug")
ENDIF ()
INCLUDE(CodeCoverage)
SET (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COVERAGE_FLAGS}")
SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COVERAGE_FLAGS}")
SETUP_TARGET_FOR_COVERAGE(coverage make coverage test)
ENDIF ()
IF (MSGPACK_BUILD_TESTS)
ENABLE_TESTING ()

55
cmake/CodeCoverage.cmake Normal file
View File

@@ -0,0 +1,55 @@
# Check prereqs
FIND_PROGRAM(GCOV_PATH gcov)
FIND_PROGRAM(LCOV_PATH lcov)
FIND_PROGRAM(GENHTML_PATH genhtml)
IF(NOT GCOV_PATH)
MESSAGE(FATAL_ERROR "gcov not found! Aborting...")
ENDIF()
IF(NOT CMAKE_COMPILER_IS_GNUCC)
# Clang version 3.0.0 and greater now supports gcov as well.
MESSAGE(STATUS "Compiler is not GNU gcc! Clang Version 3.0.0 and greater supports gcov as well, but older versions don't.")
IF(NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" AND NOT "${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")
MESSAGE(FATAL_ERROR "Compiler is not GNU gcc! Aborting...")
ENDIF()
ENDIF()
SET(COVERAGE_FLAGS "-g -O0 --coverage")
FUNCTION(SETUP_TARGET_FOR_COVERAGE _targetname _testrunner _outputname)
IF(NOT LCOV_PATH)
MESSAGE(FATAL_ERROR "lcov not found! Aborting...")
ENDIF()
IF(NOT GENHTML_PATH)
MESSAGE(FATAL_ERROR "genhtml not found! Aborting...")
ENDIF()
# Setup target
ADD_CUSTOM_TARGET(${_targetname}
# Cleanup lcov
${LCOV_PATH} --directory . --zerocounters
# Run tests
COMMAND ${_testrunner} ${ARGV3}
# Capturing lcov counters and generating report
COMMAND ${LCOV_PATH} --directory . --capture --output-file ${_outputname}.info --base-directory ${CMAKE_SOURCE_DIR} --no-external --quiet
COMMAND ${LCOV_PATH} --remove ${_outputname}.info '*/test/*' '*/fuzz/*' --output-file ${_outputname}.info.cleaned --quiet
COMMAND ${GENHTML_PATH} -o ${_outputname} ${_outputname}.info.cleaned --prefix ${CMAKE_SOURCE_DIR}
# COMMAND ${CMAKE_COMMAND} -E remove ${_outputname}.info ${_outputname}.info.cleaned
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Resetting code coverage counters to zero.\nProcessing code coverage counters and generating report."
)
# Show info where to find the report
ADD_CUSTOM_COMMAND(TARGET ${_targetname} POST_BUILD
COMMAND ;
COMMENT "Open ./${_outputname}/index.html in your browser to view the coverage report."
)
ENDFUNCTION()