Files
opm-simulators/python/test/test_mpi.py
T
Håkon Hægland b5e7ccc0b1 Clarify why test case ordering is necessary
and delete comment in code about static variables that can no longer be
reproduced.
2025-09-17 10:06:49 +02:00

34 lines
1.4 KiB
Python

import os
import unittest
from pathlib import Path
from opm.simulators import BlackOilSimulator
from .pytest_common import pushd
class TestBasic(unittest.TestCase):
@classmethod
def setUpClass(cls):
test_dir = Path(os.path.dirname(__file__))
cls.data_dir = test_dir.parent.joinpath("test_data/SPE1CASE1a")
# IMPORTANT: Since all the python unittests run in the same process we must be
# careful to not call MPI_Init() more than once.
# Tests are run alphabetically, so we need to make sure that
# the the first test calls MPI_Init(), therefore the name of the tests
# have a numeric label like "01" in test_01_mpi_init to ensure that they
# are run in a given order.
def test_01_mpi_init(self):
with pushd(self.data_dir):
sim = BlackOilSimulator("SPE1CASE1.DATA")
sim.setup_mpi(init=True, finalize=False)
sim.step_init() # This will create the OPM::Main() object which will call MPI_Init()
assert True
def test_02_mpi_no_init(self):
with pushd(self.data_dir):
sim = BlackOilSimulator("SPE1CASE1.DATA")
sim.setup_mpi(init=False, finalize=True)
sim.step_init() # This will create the OPM::Main() object which will not call MPI_Init()
# That this test runs shows that the simulator does not call
# MPI_Init() a second time
assert True