GoogleTestAddTests.cmake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
cmake_minimum_required(VERSION ${CMAKE_VERSION})
# Overwrite possibly existing ${_CTEST_FILE} with empty file
set(flush_tests_MODE WRITE)
# Flushes script to ${_CTEST_FILE}
macro(flush_script)
file(${flush_tests_MODE} "${_CTEST_FILE}" "${script}")
set(flush_tests_MODE APPEND)
set(script "")
endmacro()
# Flushes tests_buffer to tests
macro(flush_tests_buffer)
list(APPEND tests "${tests_buffer}")
set(tests_buffer "")
endmacro()
macro(add_command NAME)
set(_args "")
foreach(_arg ${ARGN})
if(_arg MATCHES "[^-./:a-zA-Z0-9_]")
string(APPEND _args " [==[${_arg}]==]")
else()
string(APPEND _args " ${_arg}")
endif()
endforeach()
string(APPEND script "${NAME}(${_args})\n")
string(LENGTH "${script}" _script_len)
if(${_script_len} GREATER "50000")
flush_script()
endif()
# Unsets macro local variables to prevent leakage outside of this macro.
unset(_args)
unset(_script_len)
endmacro()
function(gtest_discover_tests_impl)
cmake_parse_arguments(
""
""
"NO_PRETTY_TYPES;NO_PRETTY_VALUES;TEST_EXECUTABLE;TEST_EXECUTOR;TEST_WORKING_DIR;TEST_PREFIX;TEST_SUFFIX;TEST_LIST;CTEST_FILE;TEST_DISCOVERY_TIMEOUT;TEST_XML_OUTPUT_DIR"
"TEST_EXTRA_ARGS;TEST_PROPERTIES"
${ARGN}
)
set(prefix "${_TEST_PREFIX}")
set(suffix "${_TEST_SUFFIX}")
set(extra_args ${_TEST_EXTRA_ARGS})
set(properties ${_TEST_PROPERTIES})
set(script)
set(suite)
set(tests)
set(tests_buffer)
# Run test executable to get list of available tests
if(NOT EXISTS "${_TEST_EXECUTABLE}")
message(FATAL_ERROR
"Specified test executable does not exist.\n"
" Path: '${_TEST_EXECUTABLE}'"
)
endif()
execute_process(
COMMAND ${_TEST_EXECUTOR} "${_TEST_EXECUTABLE}" --gtest_list_tests
WORKING_DIRECTORY "${_TEST_WORKING_DIR}"
TIMEOUT ${_TEST_DISCOVERY_TIMEOUT}
OUTPUT_VARIABLE output
RESULT_VARIABLE result
)
if(NOT ${result} EQUAL 0)
string(REPLACE "\n" "\n " output "${output}")
message(FATAL_ERROR
"Error running test executable.\n"
" Path: '${_TEST_EXECUTABLE}'\n"
" Result: ${result}\n"
" Output:\n"
" ${output}\n"
)
endif()
# Preserve semicolon in test-parameters
string(REPLACE [[;]] [[\;]] output "${output}")
string(REPLACE "\n" ";" output "${output}")
# Parse output
foreach(line ${output})
# Skip header
if(NOT line MATCHES "gtest_main\\.cc")
# Do we have a module name or a test name?
if(NOT line MATCHES "^ ")
# Module; remove trailing '.' to get just the name...
string(REGEX REPLACE "\\.( *#.*)?" "" suite "${line}")
if(line MATCHES "#" AND NOT _NO_PRETTY_TYPES)
string(REGEX REPLACE "/[0-9]\\.+ +#.*= +" "/" pretty_suite "${line}")
else()
set(pretty_suite "${suite}")
endif()
string(REGEX REPLACE "^DISABLED_" "" pretty_suite "${pretty_suite}")
else()
# Test name; strip spaces and comments to get just the name...
string(REGEX REPLACE " +" "" test "${line}")
if(test MATCHES "#" AND NOT _NO_PRETTY_VALUES)
string(REGEX REPLACE "/[0-9]+#GetParam..=" "/" pretty_test "${test}")
else()
string(REGEX REPLACE "#.*" "" pretty_test "${test}")
endif()
string(REGEX REPLACE "^DISABLED_" "" pretty_test "${pretty_test}")
string(REGEX REPLACE "#.*" "" test "${test}")
if(NOT "${_TEST_XML_OUTPUT_DIR}" STREQUAL "")
set(TEST_XML_OUTPUT_PARAM "--gtest_output=xml:${_TEST_XML_OUTPUT_DIR}/${prefix}${suite}.${test}${suffix}.xml")
else()
unset(TEST_XML_OUTPUT_PARAM)
endif()
# sanitize test name for further processing downstream
set(testname "${prefix}${pretty_suite}.${pretty_test}${suffix}")
# escape \
string(REPLACE [[\]] [[\\]] testname "${testname}")
# escape ;
string(REPLACE [[;]] [[\;]] testname "${testname}")
# escape $
string(REPLACE [[$]] [[\$]] testname "${testname}")
# ...and add to script
add_command(add_test
"${testname}"
${_TEST_EXECUTOR}
"${_TEST_EXECUTABLE}"
"--gtest_filter=${suite}.${test}"
"--gtest_also_run_disabled_tests"
${TEST_XML_OUTPUT_PARAM}
${extra_args}
)
if(suite MATCHES "^DISABLED" OR test MATCHES "^DISABLED")
add_command(set_tests_properties
"${testname}"
PROPERTIES DISABLED TRUE
)
endif()
add_command(set_tests_properties
"${testname}"
PROPERTIES
WORKING_DIRECTORY "${_TEST_WORKING_DIR}"
SKIP_REGULAR_EXPRESSION "\\\\[ SKIPPED \\\\]"
${properties}
)
list(APPEND tests_buffer "${testname}")
list(LENGTH tests_buffer tests_buffer_length)
if(${tests_buffer_length} GREATER "250")
flush_tests_buffer()
endif()
endif()
endif()
endforeach()
# Create a list of all discovered tests, which users may use to e.g. set
# properties on the tests
flush_tests_buffer()
add_command(set ${_TEST_LIST} ${tests})
# Write CTest script
flush_script()
endfunction()
if(CMAKE_SCRIPT_MODE_FILE)
gtest_discover_tests_impl(
NO_PRETTY_TYPES ${NO_PRETTY_TYPES}
NO_PRETTY_VALUES ${NO_PRETTY_VALUES}
TEST_EXECUTABLE ${TEST_EXECUTABLE}
TEST_EXECUTOR ${TEST_EXECUTOR}
TEST_WORKING_DIR ${TEST_WORKING_DIR}
TEST_PREFIX ${TEST_PREFIX}
TEST_SUFFIX ${TEST_SUFFIX}
TEST_LIST ${TEST_LIST}
CTEST_FILE ${CTEST_FILE}
TEST_DISCOVERY_TIMEOUT ${TEST_DISCOVERY_TIMEOUT}
TEST_XML_OUTPUT_DIR ${TEST_XML_OUTPUT_DIR}
TEST_EXTRA_ARGS ${TEST_EXTRA_ARGS}
TEST_PROPERTIES ${TEST_PROPERTIES}
)
endif()