Source code for nest.tests.test_onetooneconnect

# -*- coding: utf-8 -*-
#
# test_onetooneconnect.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/>.

"""
UnitTests for the PyNEST connect API.
"""

import unittest
import nest


[docs]@nest.check_stack class OneToOneConnectTestCase(unittest.TestCase): """Tests of Connect with OneToOne pattern"""
[docs] def test_ConnectPrePost(self): """Connect pre to post""" # Connect([pre], [post]) nest.ResetKernel() pre = nest.Create("iaf_psc_alpha", 2) post = nest.Create("iaf_psc_alpha", 2) nest.Connect(pre, post, "one_to_one") connections = nest.GetConnections(pre) targets = nest.GetStatus(connections, "target") self.assertEqual(targets, post)
[docs] def test_ConnectPrePostParams(self): """Connect pre to post with a params dict""" # Connect([pre], [post], params) nest.ResetKernel() pre = nest.Create("iaf_psc_alpha", 2) post = nest.Create("iaf_psc_alpha", 2) nest.Connect(pre, post, "one_to_one", syn_spec={"weight": 2.0}) connections = nest.GetConnections(pre) weights = nest.GetStatus(connections, "weight") self.assertEqual(weights, (2.0, 2.0)) # Connect([pre], [post], [params, params]) nest.ResetKernel() pre = nest.Create("iaf_psc_alpha", 2) post = nest.Create("iaf_psc_alpha", 2) nest.Connect(pre, post, conn_spec={"rule": "one_to_one"}, syn_spec={"weight": [2.0, 3.0]}) connections = nest.GetConnections(pre) weights = nest.GetStatus(connections, "weight") self.assertEqual(weights, (2.0, 3.0))
[docs] def test_ConnectPrePostWD(self): """Connect pre to post with a weight and delay""" # Connect([pre], [post], w, d) nest.ResetKernel() pre = nest.Create("iaf_psc_alpha", 2) post = nest.Create("iaf_psc_alpha", 2) nest.Connect(pre, post, conn_spec={"rule": "one_to_one"}, syn_spec={"weight": 2.0, "delay": 2.0}) connections = nest.GetConnections(pre) weights = nest.GetStatus(connections, "weight") delays = nest.GetStatus(connections, "delay") self.assertEqual(weights, (2.0, 2.0)) self.assertEqual(delays, (2.0, 2.0)) # Connect([pre], [post], [w, w], [d, d]) nest.ResetKernel() pre = nest.Create("iaf_psc_alpha", 2) post = nest.Create("iaf_psc_alpha", 2) nest.Connect(pre, post, conn_spec={"rule": "one_to_one"}, syn_spec={"weight": [2.0, 3.0], "delay": [2.0, 3.0]}) connections = nest.GetConnections(pre) weights = nest.GetStatus(connections, "weight") delays = nest.GetStatus(connections, "delay") self.assertEqual(weights, (2.0, 3.0)) self.assertEqual(delays, (2.0, 3.0))
[docs] def test_IllegalConnection(self): """Wrong Connections""" nest.ResetKernel() n = nest.Create('iaf_psc_alpha') vm = nest.Create('voltmeter') self.assertRaisesRegex( nest.NESTError, "IllegalConnection", nest.Connect, n, vm)
[docs] def test_UnexpectedEvent(self): """Unexpected Event""" nest.ResetKernel() n = nest.Create('iaf_psc_alpha') sd = nest.Create('spike_detector') self.assertRaisesRegex( nest.NESTError, "UnexpectedEvent", nest.Connect, sd, n)
[docs]def suite(): suite = unittest.makeSuite(OneToOneConnectTestCase, 'test') return suite
[docs]def run(): runner = unittest.TextTestRunner(verbosity=2) runner.run(suite())
if __name__ == "__main__": run()