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# Create CTest entries for EXECUTABLE in CTestTestfile.cmake
# Overwrite CTestTestfile.cmake with update version.
# Usage:
#
# This script is to be called from ../Modules/CppUTestBuildTimeDiscoverTests.cmake
#
# Notes on invocation and used variables:
# ${CMAKE_COMMAND} -DTESTS_DETAILED:BOOL=<ON|OFF> -DEXECUTABLE=<FULLPATH-TO-EXECUTABLE> -P <PATH-TO-THIS-SCRIPT>
#
# TESTS_DETAILED c.f. top-level CMakeLists.txt
# FULLPATH-TO-EXECUTABLE - use $<TARGET_FILE:${EXECUTABLE}> or explicit
# The overwritten CTestTestfile.cmake is located in ${CMAKE_CURRENT_BINARY_DIR}
#
# Steps to generate ADD_TEST() commands build time
# - Read CTestTestfile.cmake
# - Create update entries
# - Remove duplicate entries
# - Write new CTestTestfile.cmake
######################################################################
# helpers
######################################################################
function (buildtime_add_test)
# Create ADD_TEST() command string
# - Extract and remove testname from ARGV
# - Add inner quotes to test arguments
# - Add "ADD_TEST()", and first and last quote
# Append result to CTESTTESTS
list(GET ARGV 0 testname)
list(REMOVE_AT ARGV 0)
string (REPLACE ";" "\" \"" TEST_ARGS "${ARGV}")
set(test_to_add "ADD_TEST(${testname} \"${TEST_ARGS}\")")
list(APPEND CTESTTESTS ${test_to_add})
SET(CTESTTESTS ${CTESTTESTS} PARENT_SCOPE)
endfunction()
function (JOIN VALUES GLUE OUTPUT)
string (REPLACE ";" "${GLUE}" _TMP_STR "${VALUES}")
set (${OUTPUT} "${_TMP_STR}" PARENT_SCOPE)
endfunction()
function (buildtime_discover_tests EXECUTABLE DISCOVER_ARG OUTPUT)
execute_process(COMMAND ${EXECUTABLE} ${DISCOVER_ARG}
OUTPUT_VARIABLE _TMP_OUTPUT
ERROR_VARIABLE DISCOVER_ERR
RESULT_VARIABLE DISCOVER_ERR)
if(NOT ${DISCOVER_ERR} EQUAL 0)
message(SEND_ERROR "Executable \"${EXECUTABLE} ${DISCOVER_ARG}\" failed with output:\n"
"${DISCOVER_ERR}\n"
"Please check that the excutable was added.")
endif(NOT ${DISCOVER_ERR} EQUAL 0)
separate_arguments(_TMP_OUTPUT)
set(${OUTPUT} "${_TMP_OUTPUT}" PARENT_SCOPE)
endfunction()
######################################################################
# Implementation
######################################################################
set(CTESTFNAME "${CMAKE_CURRENT_BINARY_DIR}/CTestTestfile.cmake")
file(STRINGS ${CTESTFNAME} CTESTTESTS)
get_filename_component(EXECUTABLE_SHORT_NAME ${EXECUTABLE} NAME_WE)
if (TESTS_DETAILED)
set(DISCOVER_ARG "-ln")
buildtime_discover_tests("${EXECUTABLE}" "${DISCOVER_ARG}" TestList_GroupsAndNames)
set(lastgroup "")
foreach(testfullname ${TestList_GroupsAndNames})
string(REGEX MATCH "^([^/.]+)" groupname ${testfullname})
string(REGEX MATCH "([^/.]+)$" testname ${testfullname})
if (NOT ("${groupname}" STREQUAL "${lastgroup}"))
message("TestGroup: ${groupname}:")
set(lastgroup "${groupname}")
endif (NOT ("${groupname}" STREQUAL "${lastgroup}"))
message("... ${testname}")
buildtime_add_test(${EXECUTABLE_SHORT_NAME}.${testfullname} ${EXECUTABLE} -sg ${groupname} -sn ${testname})
endforeach()
else (TESTS_DETAILED)
set(DISCOVER_ARG "-lg")
buildtime_discover_tests("${EXECUTABLE}" "${DISCOVER_ARG}" TestList_Groups)
foreach(group ${TestList_Groups})
message("TestGroup: ${group}")
buildtime_add_test(${EXECUTABLE_SHORT_NAME}.${group} "${EXECUTABLE}" -sg ${group})
endforeach()
endif (TESTS_DETAILED)
# create separate CTest test for each CppUTestTests test
list(REMOVE_DUPLICATES CTESTTESTS)
JOIN("${CTESTTESTS}" "\n" CTESTTESTS)
file(WRITE ${CTESTFNAME} "${CTESTTESTS}\n")
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