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#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#
# Copyright (C) 2014 Joakim Söderberg <joakim.soderberg@gmail.com>
#
set(_CMAKE_SCRIPT_PATH ${CMAKE_CURRENT_LIST_DIR}) # must be outside coveralls_setup() to get correct path
#
# Param _COVERAGE_SRCS A list of source files that coverage should be collected for.
# Param _COVERALLS_UPLOAD Upload the result to coveralls?
#
function(coveralls_setup _COVERAGE_SRCS _COVERALLS_UPLOAD)
if (ARGC GREATER 2)
set(_CMAKE_SCRIPT_PATH ${ARGN})
message(STATUS "Coveralls: Using alternate CMake script dir: ${_CMAKE_SCRIPT_PATH}")
endif()
if (NOT EXISTS "${_CMAKE_SCRIPT_PATH}/CoverallsClear.cmake")
message(FATAL_ERROR "Coveralls: Missing ${_CMAKE_SCRIPT_PATH}/CoverallsClear.cmake")
endif()
if (NOT EXISTS "${_CMAKE_SCRIPT_PATH}/CoverallsGenerateGcov.cmake")
message(FATAL_ERROR "Coveralls: Missing ${_CMAKE_SCRIPT_PATH}/CoverallsGenerateGcov.cmake")
endif()
# When passing a CMake list to an external process, the list
# will be converted from the format "1;2;3" to "1 2 3".
# This means the script we're calling won't see it as a list
# of sources, but rather just one long path. We remedy this
# by replacing ";" with "*" and then reversing that in the script
# that we're calling.
# http://cmake.3232098.n2.nabble.com/Passing-a-CMake-list-quot-as-is-quot-to-a-custom-target-td6505681.html
set(COVERAGE_SRCS_TMP ${_COVERAGE_SRCS})
set(COVERAGE_SRCS "")
foreach (COVERAGE_SRC ${COVERAGE_SRCS_TMP})
set(COVERAGE_SRCS "${COVERAGE_SRCS}*${COVERAGE_SRC}")
endforeach()
#message("Coverage sources: ${COVERAGE_SRCS}")
set(COVERALLS_FILE ${PROJECT_BINARY_DIR}/coveralls.json)
add_custom_target(coveralls_generate
# Zero the coverage counters.
COMMAND ${CMAKE_COMMAND} -DPROJECT_BINARY_DIR="${PROJECT_BINARY_DIR}" -P "${_CMAKE_SCRIPT_PATH}/CoverallsClear.cmake"
# Run regress tests.
COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure
# Generate Gcov and translate it into coveralls JSON.
# We do this by executing an external CMake script.
# (We don't want this to run at CMake generation time, but after compilation and everything has run).
COMMAND ${CMAKE_COMMAND}
-DCOVERAGE_SRCS="${COVERAGE_SRCS}" # TODO: This is passed like: "a b c", not "a;b;c"
-DCOVERALLS_OUTPUT_FILE="${COVERALLS_FILE}"
-DCOV_PATH="${PROJECT_BINARY_DIR}"
-DPROJECT_ROOT="${PROJECT_SOURCE_DIR}"
-P "${_CMAKE_SCRIPT_PATH}/CoverallsGenerateGcov.cmake"
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
COMMENT "Generating coveralls output..."
)
if (_COVERALLS_UPLOAD)
message("COVERALLS UPLOAD: ON")
find_program(CURL_EXECUTABLE curl)
if (NOT CURL_EXECUTABLE)
message(FATAL_ERROR "Coveralls: curl not found! Aborting")
endif()
add_custom_target(coveralls_upload
# Upload the JSON to coveralls.
COMMAND ${CURL_EXECUTABLE}
-S -F json_file=@${COVERALLS_FILE}
https://coveralls.io/api/v1/jobs
DEPENDS coveralls_generate
WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
COMMENT "Uploading coveralls output...")
add_custom_target(coveralls DEPENDS coveralls_upload)
else()
message("COVERALLS UPLOAD: OFF")
add_custom_target(coveralls DEPENDS coveralls_generate)
endif()
endfunction()
macro(coveralls_turn_on_coverage)
if(NOT (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
AND (NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang"))
message(FATAL_ERROR "Coveralls: Compiler ${CMAKE_C_COMPILER_ID} is not GNU gcc! Aborting... You can set this on the command line using CC=/usr/bin/gcc CXX=/usr/bin/g++ cmake <options> ..")
endif()
if(NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
message(FATAL_ERROR "Coveralls: Code coverage results with an optimised (non-Debug) build may be misleading! Add -DCMAKE_BUILD_TYPE=Debug")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g -O0 -fprofile-arcs -ftest-coverage")
endmacro()