52 make mpi initalization plug in wide

[pogmat]

depends on #49

Please test on MAC.

[pogmat]

@luca-heltai, you can review and merge after testing it on MAC.

[luca-heltai]

This will fail with mpich, since MPI_Session is a reserved word. Maybe use also here MPI_Handle?

[luca-heltai]

On my mac, with the change suggested above, it works.

[luca-heltai]

I'm unsure why this keeps not running the tests:

CORAL_KEEP_LONG_TEST=1 mpirun -np 2 ./backends/dealii/tests/dealii_mpi_tests

I still get

Running main() from /var/folders/1s/vn3tmrzs2_gb9jgfxgr2q4bc0000gn/T/dealii/spack-stage/spack-stage-googletest-1.17.0-ggbxmdopunamrltc6n7sk7q75jqfspri/spack-src/googletest/src/gtest_main.cc
[==========] Running 3 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 3 tests from DealiiMPITest
Running main() from /var/folders/1s/vn3tmrzs2_gb9jgfxgr2q4bc0000gn/T/dealii/spack-stage/spack-stage-googletest-1.17.0-ggbxmdopunamrltc6n7sk7q75jqfspri/spack-src/googletest/src/gtest_main.cc
[==========] Running 3 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 3 tests from DealiiMPITest
	coral_active_logger 0x0, coral_active_plugin_name dealii
	coral_active_logger 0x0, coral_active_plugin_name dealii
[ RUN      ] DealiiMPITest.Setup
[       OK ] DealiiMPITest.Setup (0 ms)
[ RUN      ] DealiiMPITest.LaplaceProblem
Skip On
/src/backends/dealii/tests/dealii_mpi.cc:98: Skipped
Long test and CORAL_KEEP_LONG_TEST disable. Skipping.

[  SKIPPED ] DealiiMPITest.LaplaceProblem (0 ms)
[ RUN      ] DealiiMPITest.LaplaceProblemNetwork
[ RUN      ] DealiiMPITest.Setup
[       OK ] DealiiMPITest.Setup (0 ms)
[ RUN      ] DealiiMPITest.LaplaceProblem
Skip On
/src/backends/dealii/tests/dealii_mpi.cc:98: Skipped
Long test and CORAL_KEEP_LONG_TEST disable. Skipping.

[  SKIPPED ] DealiiMPITest.LaplaceProblem (0 ms)
Skip On
/src/backends/dealii/tests/dealii_mpi.cc:114: Skipped
Long test and CORAL_KEEP_LONG_TEST disable. Skipping.

[  SKIPPED ] [ RUN      ] DealiiMPITest.LaplaceProblemNetwork
Skip On
DealiiMPITest.LaplaceProblemNetwork (0 ms)
/src/backends/dealii/tests/dealii_mpi.cc:114: Skipped
Long test and CORAL_KEEP_LONG_TEST disable. Skipping.

[  SKIPPED ] DealiiMPITest.LaplaceProblemNetwork (0 ms)
[----------] 3 tests from DealiiMPITest (0 ms total)

[----------] Global test environment tear-down
[==========] 3 tests from 1 test suite ran. (41 ms total)
[  PASSED  ] 1 test.
[  SKIPPED ] 2 tests, listed below:
[  SKIPPED ] DealiiMPITest.LaplaceProblem
[  SKIPPED ] DealiiMPITest.LaplaceProblemNetwork
[----------] 3 tests from DealiiMPITest (0 ms total)

[----------] Global test environment tear-down
[==========] 3 tests from 1 test suite ran. (41 ms total)
[  PASSED  ] 1 test.
[  SKIPPED ] 2 tests, listed below:
[  SKIPPED ] DealiiMPITest.LaplaceProblem
[  SKIPPED ] DealiiMPITest.LaplaceProblemNetwork

Any idea?