ctest cannot run with simple command

Question

I have the ctest setting and work fine with all executable I've built for the project. The problem is I want to add some test with a system command, it has nothing to do with program in the solution, I cannot get it run by ctest.

I added a simple test as below, it just run the command echo:

add_test(NAME toto_test COMMAND echo bla bla bla)

Then the when I run ctest, I got the error

Start  1: toto_test
Could not find executable echo
Looked in the following places:
echo
echo.exe
Release/echo
Release/echo.exe
Release/echo
Release/echo.exe
Unable to find executable: echo
1/10 Test  #1: toto_test ........................***Not Run   0.00 sec

The following tests FAILED:
      1 - toto_test (Not Run)
Errors while running CTest

And when I run ctest with verbose option, I get

Constructing a list of tests
Done constructing a list of tests
Updating test list for fixtures
Added 0 tests to meet fixture requirements
Checking test dependency graph...
Checking test dependency graph end
test 1
    Start 1: toto_test
Could not find executable echo
Looked in the following places:
echo
echo.exe
Release/echo
Release/echo.exe
Release/echo
Release/echo.exe

1: Test command:  "bla" "bla" "bla"
Unable to find executable: echo
1/1 Test #1: toto_test ........................***Not Run   0.00 sec

0% tests passed, 1 tests failed out of 1

Total Test time (real) =   0.02 sec

The following tests FAILED:
      1 - toto_test (Not Run)
Errors while running CTest

Can anyone come to help please. Thanks a lot

you should try FIND_PROGRAM() or ${CMAKE_COMMAND} -E echo it will be much more portable — Mizux
– Mizux, Commented Dec 29, 2017 at 9:45

ctNGUYEN · Accepted Answer · 2017-12-29 13:55:39Z

0

I found the way to do it. For the general purpose of running a test with an external program, use add_custom_target, then use ${CMAKE_COMMAND} to build this target when running the tests :

add_custom_target(run_toto COMMAND echo bla bla bla)
add_test(NAME test_toto COMMAND ${CMAKE_COMMAND} --build . --target run_toto)

answered Dec 29, 2017 at 13:55

ctNGUYEN

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