Source code for nest.tests.test_sp.test_enable_multithread
# -*- coding: utf-8 -*-
#
# test_enable_multithread.py
#
# This file is part of NEST.
#
# Copyright (C) 2004 The NEST Initiative
#
# NEST is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# NEST is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with NEST. If not, see <http://www.gnu.org/licenses/>.
import nest
import unittest
__author__ = 'sdiaz'
# Structural plasticity currently does not work with multiple threads.
# An exception should be rised if structural plasticity is enabled
# and multiple threads are set, or if multiple threads are set and
# the enable_structural_plasticity function is called.
HAVE_OPENMP = nest.sli_func("is_threaded")
[docs]@unittest.skipIf(not HAVE_OPENMP, 'NEST was compiled without multi-threading')
class TestEnableMultithread(unittest.TestCase):
[docs] def setUp(self):
nest.ResetKernel()
nest.set_verbosity('M_ERROR')
[docs] def test_enable_multithread(self):
nest.ResetKernel()
nest.EnableStructuralPlasticity()
# Setting multiple threads when structural plasticity is enabled should
# throw an exception
with self.assertRaises(nest.NESTError):
nest.SetKernelStatus(
{
'local_num_threads': 2
}
)
[docs] def test_multithread_enable(self):
nest.ResetKernel()
nest.SetKernelStatus(
{
'local_num_threads': 2
}
)
# Setting multiple threads when structural plasticity is enabled should
# throw an exception
with self.assertRaises(nest.NESTError):
nest.EnableStructuralPlasticity()
[docs]def suite():
test_suite = unittest.makeSuite(TestEnableMultithread, 'test')
return test_suite
if __name__ == '__main__':
unittest.main()