On Thu, 2019-06-20 at 15:45 -0400, Donald MacQueen [|] via CMake wrote:
> I have a test where I start a program that I know will create some
> output that I can test.
>
> But I have no way to kill this program, so I let Ctest kill it with
> a
> TIMEOUT.
>
> The next step greps the output to see if it worked.
>
> So it would be nice if PASS_REGULAR_EXPRESSION could override
> TIMEOUT
> and not mark the test as failed.
>
> For example:
>
> set_tests_properties(${importMaps} PROPERTIES
> PASS_REGULAR_EXPRESSION "some string I know I will find")
> # this
> ^^^^^^^^^^^^^^^^^^^^^^ makes the test pass even if it times out
> set_tests_properties(${importMaps} PROPERTIES TIMEOUT 60)
You could wrap your test in a CMake script that calls execute_process()
with a TIMEOUT argument, and then greps the output of the command for
the desired expression. For example:
CMakeLists.txt:
add_test(NAME mytest COMMAND ${CMAKE_COMMAND} -DMYEXE=${PATH_TO_MYEXE}
-P ${CMAKE_CURRENT_LIST_DIR}/ExecuteTest.cmake)
ExecuteTest.cmake:
execute_process(COMMAND ${PATH_TO_MYEXE} TIMEOUT 60 OUTPUT_VARIABLE
output)
if(NOT output MATCHES "^my_desired_regex$")
message(FATAL_ERROR "myexe did not produce desired output")
endif()
Hope that helps
Kyle
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