[CMake] building and running tests with one command

[Petr Kmoch]

Actuall, I haven't tried this using ctest directly, just via make test
(or its Visual Studio equivalent). I believe that to make it work as
one test, you'd have to provide a trivial launcher which does the two
build - run steps in sequence.

Petr

On Wed, May 9, 2012 at 3:16 PM, Leif Walsh <leif.walsh at gmail.com> wrote:
> So you run 'ctest -R testTarget' and it picks up the build test too?
> Hmm.  Thanks.
>
> On Wed, 9 May 2012, Petr Kmoch wrote:
>
>> The closest I've come to solving this problem is that for each test
>> ${testTarget}, I add two cmake tests:
>>
>> add_test(NAME build_${testTarget} COMMAND ${CMAKE_COMMAND} --build
>> "${CMAKE_BINARY_DIR}" --target ${testTarget} --config
>> $<CONFIGURATION>)
>>
>> add_test(NAME someName COMMAND ${testTarget} ...)
>>
>> It might even be possible to combine them into one command, perhaps
>> with a custom test driver.
>>
>> Petr
>>
>> On Tue, May 8, 2012 at 1:27 AM, Leif Walsh <leif.walsh at gmail.com> wrote:
>> > Hi,
>> >
>> > Is there a make, cmake, or ctest way to rebuild the dependencies of a
>> > test if needed, and then run the test?
>> >
>> > Suppose I have a bulit directory and I'm developing.  I want to make
>> > edits, then run a command specifying one test to check, so that
>> > anything needed by that test gets rebuilt (if my changes require it),
>> > and then run.
>> >
>> > In make, I would do this by having one rule like
>> >
>> > run_%: %
>> >    ./$<
>> >
>> > so that if I want to edit some library's source file and then run
>> > test_foobar, I would just run `make run_test_foobar`, and the source I
>> > changed would get recompiled, the library would get relinked,
>> > test_foobar would get relinked if it's static, and then test_foobar
>> > would be run.
>> >
>> > I hoped ctest --bulid-and-test would help, but it seems it doesn't.  I
>> > tried --build-target test_foobar (I have add_test(test_foobar ...) in
>> > my configuration), and it only built test_foobar, it didn't seem to
>> > run it.
>> >
>> > --
>> > Cheers,
>> > Leif
>> > --
>> >
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>
> --
> Cheers,
> Leif