[CMake] random BAD_COMMAND error on ctest

[Eric Noulard]

2013/1/16 BILODEAU Andre <andre.bilodeau at safran-engineering.com>:
> Hello
>
> I have finally the simplest setup which reproduces random BAD_COMMAND
> errors:
> - no compilations or produced binaries, justs tests
> - tests are called without arguments or set properties
>
> There are 20 tests, all of the form
>     add_test (test_02 ${CMAKE_CURRENT_SOURCE_DIR}/test_driver)
>
> All tests call the same trivial test driver, with grep called as a
> sub-process:
> -------------
> #!/bin/sh
> SRCDIR="../../test"
> ########################################
> # Run simple grep command
> grep dummy ${SRCDIR}/CMakeLists.txt
> exit 0
> -------------
>
> The project files are provided as attachment. I ran the following commands
> from the buid directory:
> cmake ../test
> make
> make test
>
> Running make test over and over produces randomly (average of about 1 test
> over 20) some lines of the form
> 16/20 Test #16: test_16 ..........................***Not Run   0.44 sec
>       Start 17: test_17
>
> The test finally being reported as failed, when there is no reason for that.
>
> If the driver is further simplified by removing the grep command, no test
> fails.
>
> Computer:       : Intel Core 2 Duo CPU E7500 @ 2.93GHz
> System:         : Windows XP Professional Version 2002 SP 3
> Cygwin version: CYGWIN_NT-5.1 1.7.17(0.262/5/3) 2012-10-19 14:39 i686 Cygwin
> cmake version:  2.8.10.2
>
> My conclusion is that there is a process management problem with ctest. As a
> consequence, this version of cmake can't be used for tests involving any
> sub-process.
>
> Can this be submitted as a bug report ? If so, what is the procedure ?

Yes it should.
Go there:
http://public.kitware.com/Bug/bug_report_page.php

and fill-in the form.
Then attach the zip file to your bug report.

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-- 
Erk
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