catch2/extras/CatchAddTests.cmake

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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
function(add_command NAME)
set(_args "")
# use ARGV* instead of ARGN, because ARGN splits arrays into multiple arguments
math(EXPR _last_arg ${ARGC}-1)
foreach(_n RANGE 1 ${_last_arg})
set(_arg "${ARGV${_n}}")
if(_arg MATCHES "[^-./:a-zA-Z0-9_]")
set(_args "${_args} [==[${_arg}]==]") # form a bracket_argument
else()
set(_args "${_args} ${_arg}")
endif()
endforeach()
set(script "${script}${NAME}(${_args})\n" PARENT_SCOPE)
endfunction()
function(catch_discover_tests_impl)
cmake_parse_arguments(
""
""
"TEST_EXECUTABLE;TEST_WORKING_DIR;TEST_DL_PATHS;TEST_OUTPUT_DIR;TEST_OUTPUT_PREFIX;TEST_OUTPUT_SUFFIX;TEST_PREFIX;TEST_REPORTER;TEST_SPEC;TEST_SUFFIX;TEST_LIST;CTEST_FILE"
"TEST_EXTRA_ARGS;TEST_PROPERTIES;TEST_EXECUTOR"
${ARGN}
)
set(prefix "${_TEST_PREFIX}")
set(suffix "${_TEST_SUFFIX}")
set(spec ${_TEST_SPEC})
set(extra_args ${_TEST_EXTRA_ARGS})
set(properties ${_TEST_PROPERTIES})
set(reporter ${_TEST_REPORTER})
set(output_dir ${_TEST_OUTPUT_DIR})
set(output_prefix ${_TEST_OUTPUT_PREFIX})
set(output_suffix ${_TEST_OUTPUT_SUFFIX})
set(dl_paths ${_TEST_DL_PATHS})
set(script)
set(suite)
set(tests)
if(WIN32)
set(dl_paths_variable_name PATH)
elseif(APPLE)
set(dl_paths_variable_name DYLD_LIBRARY_PATH)
else()
set(dl_paths_variable_name LD_LIBRARY_PATH)
endif()
# Run test executable to get list of available tests
if(NOT EXISTS "${_TEST_EXECUTABLE}")
message(FATAL_ERROR
"Specified test executable '${_TEST_EXECUTABLE}' does not exist"
)
endif()
if(dl_paths)
cmake_path(CONVERT "${dl_paths}" TO_NATIVE_PATH_LIST paths)
set(ENV{${dl_paths_variable_name}} "${paths}")
endif()
execute_process(
COMMAND ${_TEST_EXECUTOR} "${_TEST_EXECUTABLE}" ${spec} --list-tests --verbosity quiet
OUTPUT_VARIABLE output
RESULT_VARIABLE result
WORKING_DIRECTORY "${_TEST_WORKING_DIR}"
)
if(NOT ${result} EQUAL 0)
message(FATAL_ERROR
"Error running test executable '${_TEST_EXECUTABLE}':\n"
" Result: ${result}\n"
" Output: ${output}\n"
)
endif()
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string(REPLACE "\n" ";" output "${output}")
# Prepare reporter
if(reporter)
set(reporter_arg "--reporter ${reporter}")
# Run test executable to check whether reporter is available
# note that the use of --list-reporters is not the important part,
# we only want to check whether the execution succeeds with ${reporter_arg}
execute_process(
COMMAND ${TEST_EXECUTOR} "${TEST_EXECUTABLE}" ${spec} ${reporter_arg} --list-reporters
OUTPUT_VARIABLE reporter_check_output
RESULT_VARIABLE reporter_check_result
WORKING_DIRECTORY "${TEST_WORKING_DIR}"
)
if(${reporter_check_result} EQUAL 255)
message(FATAL_ERROR
"\"${reporter}\" is not a valid reporter!\n"
)
elseif(NOT ${reporter_check_result} EQUAL 0)
message(FATAL_ERROR
"Error running test executable '${TEST_EXECUTABLE}':\n"
" Result: ${reporter_check_result}\n"
" Output: ${reporter_check_output}\n"
)
endif()
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endif()
# Prepare output dir
if(output_dir AND NOT IS_ABSOLUTE ${output_dir})
set(output_dir "${_TEST_WORKING_DIR}/${output_dir}")
if(NOT EXISTS ${output_dir})
file(MAKE_DIRECTORY ${output_dir})
endif()
endif()
if(dl_paths)
foreach(path ${dl_paths})
cmake_path(NATIVE_PATH path native_path)
list(APPEND environment_modifications "${dl_paths_variable_name}=path_list_prepend:${native_path}")
endforeach()
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endif()
# Parse output
foreach(line ${output})
set(test ${line})
# Escape characters in test case names that would be parsed by Catch2
set(test_name ${test})
foreach(char , [ ])
string(REPLACE ${char} "\\${char}" test_name ${test_name})
endforeach(char)
# ...add output dir
if(output_dir)
string(REGEX REPLACE "[^A-Za-z0-9_]" "_" test_name_clean ${test_name})
set(output_dir_arg "--out ${output_dir}/${output_prefix}${test_name_clean}${output_suffix}")
endif()
# ...and add to script
add_command(add_test
"${prefix}${test}${suffix}"
${_TEST_EXECUTOR}
"${_TEST_EXECUTABLE}"
"${test_name}"
${extra_args}
"${reporter_arg}"
"${output_dir_arg}"
)
add_command(set_tests_properties
"${prefix}${test}${suffix}"
PROPERTIES
WORKING_DIRECTORY "${_TEST_WORKING_DIR}"
${properties}
)
if(environment_modifications)
add_command(set_tests_properties
"${prefix}${test}${suffix}"
PROPERTIES
ENVIRONMENT_MODIFICATION "${environment_modifications}")
endif()
list(APPEND tests "${prefix}${test}${suffix}")
endforeach()
# Create a list of all discovered tests, which users may use to e.g. set
# properties on the tests
add_command(set ${_TEST_LIST} ${tests})
# Write CTest script
file(WRITE "${_CTEST_FILE}" "${script}")
endfunction()
if(CMAKE_SCRIPT_MODE_FILE)
catch_discover_tests_impl(
TEST_EXECUTABLE ${TEST_EXECUTABLE}
TEST_EXECUTOR ${TEST_EXECUTOR}
TEST_WORKING_DIR ${TEST_WORKING_DIR}
TEST_SPEC ${TEST_SPEC}
TEST_EXTRA_ARGS ${TEST_EXTRA_ARGS}
TEST_PROPERTIES ${TEST_PROPERTIES}
TEST_PREFIX ${TEST_PREFIX}
TEST_SUFFIX ${TEST_SUFFIX}
TEST_LIST ${TEST_LIST}
TEST_REPORTER ${TEST_REPORTER}
TEST_OUTPUT_DIR ${TEST_OUTPUT_DIR}
TEST_OUTPUT_PREFIX ${TEST_OUTPUT_PREFIX}
TEST_OUTPUT_SUFFIX ${TEST_OUTPUT_SUFFIX}
TEST_DL_PATHS ${TEST_DL_PATHS}
CTEST_FILE ${CTEST_FILE}
)
endif()