OpenTTD-patches/cmake/scripts/Regression.cmake
Michael Lutz 7d66540af5 Fix: [CMake] Don't strip final newline from regression output.
The expected regression output files all end with a newline. As such, we have to make sure we capture the output from OpenTTD with the last newline intact.
2020-07-27 17:26:19 +01:00

97 lines
3.6 KiB
CMake

cmake_minimum_required(VERSION 3.5)
#
# Runs a single regressoion test
#
if (NOT REGRESSION_TEST)
message(FATAL_ERROR "Script needs REGRESSION_TEST defined (tip: use -DREGRESSION_TEST=..)")
endif (NOT REGRESSION_TEST)
if (NOT OPENTTD_EXECUTABLE)
message(FATAL_ERROR "Script needs OPENTTD_EXECUTABLE defined (tip: use -DOPENTTD_EXECUTABLE=..)")
endif (NOT OPENTTD_EXECUTABLE)
if (NOT EXISTS ai/${REGRESSION_TEST}/test.sav)
message(FATAL_ERROR "Regression test ${REGRESSION_TEST} does not exist (tip: check regression folder for the correct spelling)")
endif ()
# If editbin is given, copy the executable to a new folder, and change the
# subsystem to console. The copy is needed as multiple regressions can run
# at the same time.
if (EDITBIN_EXECUTABLE)
execute_process(COMMAND ${CMAKE_COMMAND} -E copy ${OPENTTD_EXECUTABLE} regression/${REGRESSION_TEST}.exe)
set(OPENTTD_EXECUTABLE "regression/${REGRESSION_TEST}.exe")
execute_process(COMMAND ${EDITBIN_EXECUTABLE} /nologo /subsystem:console ${OPENTTD_EXECUTABLE})
endif (EDITBIN_EXECUTABLE)
# Run the regression test
execute_process(COMMAND ${OPENTTD_EXECUTABLE}
-x
-c regression/regression.cfg
-g ai/${REGRESSION_TEST}/test.sav
-snull
-mnull
-vnull:ticks=30000
-d script=2
-d misc=9
OUTPUT_VARIABLE REGRESSION_OUTPUT
ERROR_VARIABLE REGRESSION_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if (REGRESSION_OUTPUT)
message(FATAL_ERROR "Unexpected output: ${REGRESSION_OUTPUT}")
endif (REGRESSION_OUTPUT)
if (NOT REGRESSION_RESULT)
message(FATAL_ERROR "Regression did not output anything; did the compilation fail?")
endif (NOT REGRESSION_RESULT)
# For some reason pointer can be printed as '0x(nil)', '0x0000000000000000', or '0x0x0'
string(REPLACE "0x(nil)" "0x00000000" REGRESSION_RESULT "${REGRESSION_RESULT}")
string(REPLACE "0x0000000000000000" "0x00000000" REGRESSION_RESULT "${REGRESSION_RESULT}")
string(REPLACE "0x0x0" "0x00000000" REGRESSION_RESULT "${REGRESSION_RESULT}")
# Convert the output to a format that is expected (and more readable) by result.txt
string(REPLACE "\ndbg: [script]" "\n" REGRESSION_RESULT "${REGRESSION_RESULT}")
string(REPLACE "\n " "\nERROR: " REGRESSION_RESULT "${REGRESSION_RESULT}")
string(REPLACE "\nERROR: [1] " "\n" REGRESSION_RESULT "${REGRESSION_RESULT}")
string(REPLACE "\n[P] " "\n" REGRESSION_RESULT "${REGRESSION_RESULT}")
string(REGEX REPLACE "dbg: ([^\n]*)\n?" "" REGRESSION_RESULT "${REGRESSION_RESULT}")
# Read the expected result
file(READ ai/${REGRESSION_TEST}/result.txt REGRESSION_EXPECTED)
# Convert the string to a list
string(REPLACE "\n" ";" REGRESSION_RESULT "${REGRESSION_RESULT}")
string(REPLACE "\n" ";" REGRESSION_EXPECTED "${REGRESSION_EXPECTED}")
set(ARGC 0)
set(ERROR NO)
list(LENGTH REGRESSION_EXPECTED REGRESSION_EXPECTED_LENGTH)
# Compare the output
foreach(RESULT IN LISTS REGRESSION_RESULT)
list(GET REGRESSION_EXPECTED ${ARGC} EXPECTED)
if (NOT RESULT STREQUAL EXPECTED)
message("${ARGC}: - ${EXPECTED}")
message("${ARGC}: + ${RESULT}'")
set(ERROR YES)
endif (NOT RESULT STREQUAL EXPECTED)
math(EXPR ARGC "${ARGC} + 1")
endforeach(RESULT)
if (NOT REGRESSION_EXPECTED_LENGTH EQUAL ARGC)
math(EXPR MISSING "${REGRESSION_EXPECTED_LENGTH} - ${ARGC}")
message("(${MISSING} more lines were expected than found)")
set(ERROR YES)
endif (NOT REGRESSION_EXPECTED_LENGTH EQUAL ARGC)
if (ERROR)
message(FATAL_ERROR "Regression failed")
endif (ERROR)