[CMake] Running Python unit tests importing modules built in CMake

[Bradley Lowekamp]

Hello,

For testing python another alternative is to create a python virtual environment and install you python package into that. Here is an example of how I have done that:

https://github.com/SimpleITK/SimpleITK/blob/master/Wrapping/CMakeLists.txt#L97

Brad

On May 2, 2012, at 9:26 PM, David Cole wrote:

> Are you using "add_test" to add the tests in the CMakeLists file?
> 
> If so, you can set the test ENVIRONMENT property to set PYTHONPATH
> when ctest executes the test. See property doc here:
> 
>  http://cmake.org/cmake/help/v2.8.8/cmake.html#prop_test:ENVIRONMENT
> 
> 
> On Wed, May 2, 2012 at 5:17 PM, Lori A. Pritchett-Sheats
> <lpritch at lanl.gov> wrote:
>> I'm building Python modules using SWIG and CMake, and have run into a
>> problem running Python unit tests for these built modules. I can not find a
>> slick way to set the Python module search path when running the test. The
>> usual trick of setting sys.path in the scripts will not work here because I
>> don't know the location of the build directory. I've tried updating
>> PYTHONPATH in my CMakeList.txt file but that change isn't picked up when the
>> test is executed. I could create the unit test modules at build time using
>> CONFIGURE_FILE replacing @CMAKE_CURRENT_BINARY_DIR@ in a sys.path line, but
>> that seems heavy-handed. Has anyone else run into this problem and found
>> better a solution?
>> 
>> --
>> Lori A. Pritchett-Sheats, PhD.
>> CCS-2, Computational Physics and Methods
>> Office: 505-665-6675
>> Fax: 505-665-4972
>> 
>> Los Alamos National Laboratory
>> P.O. Box 1663
>> MS D413
>> Los Alamos, NM 87544
>> 
>> --
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========================================================
Bradley Lowekamp  
Medical Science and Computing for
Office of High Performance Computing and Communications
National Library of Medicine 
blowekamp at mail.nih.gov



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