CMake/Tests/CMakeTests/ExecuteScriptTests.cmake
Rolf Eike Beer 2622bc3f65 Clean up usage of if(... MATCHES regex) followed string(REGEX REPLACE regex)
The matches have already been calculated and can simply be taken from
CMAKE_MATCH_n variables. This avoids multiple compilations of the same or very
similar regular expressions.
2014-04-14 18:16:58 +02:00

64 lines
2.0 KiB
CMake

# This function calls the ${scriptname} file to execute one test case:
#
function(execute_one_script_test scriptname testname expected_result)
message("execute_one_script_test")
message("testname=[${testname}]")
execute_process(
COMMAND ${CMAKE_COMMAND}
-D "dir:STRING=${dir}"
-D "testname:STRING=${testname}"
-P "${scriptname}"
OUTPUT_VARIABLE out
ERROR_VARIABLE err
RESULT_VARIABLE result
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_STRIP_TRAILING_WHITESPACE
)
message("out=[${out}]")
message("err=[${err}]")
if(expected_result STREQUAL "fail")
# case expected to fail, result should be non-0...
# error if it's 0
if("${result}" STREQUAL "0")
message(SEND_ERROR "script failed: testname='${testname}' [${result}] actually passed, but expected to fail...")
endif()
else()
# case expected to pass, result should be 0...
# error if it's non-0
if(NOT "${result}" STREQUAL "0")
message(SEND_ERROR "script failed: testname='${testname}' [${result}] actually failed, but expected to pass...")
endif()
endif()
message("")
endfunction()
# This function reads the script file and calls execute_one_script_test for
# each testname case listed in the script. To add new cases, simply edit the
# script file and add an elseif() clause that matches 'regex' below.
#
function(execute_all_script_tests scriptname result)
file(READ "${scriptname}" script)
string(REPLACE ";" "\\\\;" script "${script}")
string(REPLACE "\n" "E;" script "${script}")
set(count 0)
set(regex "^ *(if|elseif) *\\( *testname +STREQUAL +\\\"*([^\\\"\\)]+)\\\"* *\\) *# *(fail|pass) *E$")
foreach(line ${script})
if(line MATCHES "${regex}")
set(testname "${CMAKE_MATCH_2}")
set(expected_result "${CMAKE_MATCH_3}")
math(EXPR count "${count} + 1")
execute_one_script_test(${scriptname} ${testname} ${expected_result})
endif()
endforeach()
set(${result} ${count} PARENT_SCOPE)
endfunction()