[CMake] Ctest and CxxTest

[Wojciech Migda]

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Philip Lowman pisze:
> You could split up your testcases into multiple CxxTest classes.
>
> You could check to see if the cxxtest code generator supports
> preprocessor statements in generating test runners.  Then you could
> group your tests by #ifdef / #endif...?  Alternatively if it's not
> supported you may be able to modify the code generator to output
> multiple runners depending on the tests you want to run, e.g.
> cxxtestgen.pl --enable-test foo
>
> I think splitting things up probably would be the easiest approach.
>
>
> On Sun, Sep 20, 2009 at 10:01 AM, Wojciech Migda
> <wojtek.golf at interia.pl> wrote:
>
> Hi all,
>
> I was wondering about an improvement for the way CxxTest unit tests
>  are coupled with CTest. Right now when CTest submits results to
> CDash the tests are counted by binaries executed. In my unit tests
> each binary corresponds to an entire suite (approx. 150 testcases
> grouped within single CxxTest class). I'd see it very useful to
> have CTest operate with CxxTest based unit tests on a testcase
> level. Has anyone stumbled upon similar problem and got ideas /
> solutions ?
>
> Thanks for assistance,
>
> -Wojciech
>
Indeed, splitting is the easiest approach, albeit it adds additional
effort - when a new test is added to a suite CMakeLists.txt has to be
updated accordingly.

If my idea how CTest works when it uploads results to CDash is correct
then it only looks at the return code of the executed binary and
captures its output. What if there was an option for CTest to work in
a multiple-testcases mode where the output returned by the executed
binary would be formatted in a way so as CTest would be able to parse
it and process into CDash xml files with information on all tests
executed. Just a thought, I have no idea how complicated that would
turn out to be.

I also thought about the binary itself being able to run single
testcases on the basis of command line arguments, but that would
require parallel information being stored in CMakeLists.txt, which
again add effort.

I'll see if I have more ideas.

Thanks,

- -Wojtek

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