[cmake-developers] Unittests with reconfiguration

[David Cole]

This one:
https://github.com/Kitware/CMake/blob/master/Tests/CMakeTestMultipleConfigures/RunCMake.cmake

It doesn't change anything in between CMake configures, but it does 7
altogether, with the expectation that the output will not change
beyond the 1st / 2nd configures.

Sample output here:
https://open.cdash.org/testDetails.php?test=331119724&build=3788470

The test doesn't presently fail if there are diffs between configures.
Although one could argue, maybe it should...

You could definitely do something similar for a test that changes a
cache value in between runs.


HTH,
David C.



On Mon, Apr 27, 2015 at 4:13 AM, Raffi Enficiaud
<raffi.enficiaud at mines-paris.org> wrote:
> Hi,
>
> I would like to know if it is possible to have a unit test with two runs of
> cmake, simulating a user change of the cache in between.
>
> The workflow would be the following:
> - run cmake with default options, cache entries automatically populated
> - change some cache value
> - run cmake again and check the output and cache output
>
> I am right now looking at RunCMake but I do not think this scheme is
> suitable for that.
>
> Would anyone point me to some test already performing that?
>
> Many thanks,
> Raffi
>
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