[CMake] Is it possible to set some environment vars to run some tests ?

[Brad King]

Gaetan Lehmann wrote:
> To run some tests on the python modules compiled with cmake, I need to 
> set  the PYTHONPATH environement variable for the tests added with 
> ADD_TEST()  macro.
> Is it possible ?

Not directly with Dart or ctest.  We typically have created "test
driver" programs that wrap around tests and setup whatever environment
is needed.  These drivers are also useful for interpreting custom 
failure cases.  See this one as an example:

http://www.paraview.org/cgi-bin/viewcvs.cgi/GUI/Client/pvTestDriver.cxx?root=ParaView&view=markup

-Brad