# -*- coding: utf-8 -*-
#
# test_networks.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/>.
"""
Network tests
"""
import unittest
import nest
[docs]@nest.check_stack
class NetworkTestCase(unittest.TestCase):
"""Network tests"""
[docs] def test_BeginEndSubnet(self):
"""Begin/End Subnet"""
nest.ResetKernel()
nest.BeginSubnet()
sn = nest.EndSubnet()
nest.BeginSubnet(label='testlabel')
sn = nest.EndSubnet()
self.assertEqual(nest.GetStatus(sn, 'label')[0], 'testlabel')
[docs] def test_CurrentSubnet(self):
"""Current Subnet"""
nest.ResetKernel()
self.assertEqual(nest.CurrentSubnet(), (0, ))
nest.BeginSubnet()
self.assertEqual(nest.CurrentSubnet(), (1, ))
[docs] def test_GetLeaves(self):
"""GetLeaves"""
nest.ResetKernel()
model = 'iaf_psc_alpha'
l = nest.LayoutNetwork(model, (2, 3))
allLeaves = (3, 4, 5, 7, 8, 9)
# test all
self.assertEqual(nest.GetLeaves(l), (allLeaves, ))
# test all with empty dict
self.assertEqual(nest.GetLeaves(l, properties={}), (allLeaves, ))
# test iteration over subnets
self.assertEqual(nest.GetLeaves(l + l), (allLeaves, allLeaves))
# children of l are not leaves, should yield empty
self.assertEqual(nest.GetLeaves(
l, properties={'parent': l[0]}), (tuple(), ))
# local id of middle nodes
self.assertEqual(nest.GetLeaves(
l, properties={'local_id': 2}), ((4, 8), ))
# selection by model type
self.assertEqual(nest.GetLeaves(
l, properties={'model': model}), (allLeaves, ))
[docs] def test_GetNodes(self):
"""GetNodes"""
nest.ResetKernel()
model = 'iaf_psc_alpha'
l = nest.LayoutNetwork(model, (2, 3))
allNodes = tuple(range(2, 10))
allSubnets = (2, 6)
allLeaves = tuple(n for n in allNodes if n not in allSubnets)
# test all
self.assertEqual(nest.GetNodes(l), (allNodes, ))
# test all with empty dict
self.assertEqual(nest.GetNodes(l, properties={}), (allNodes, ))
# test iteration over subnets
self.assertEqual(nest.GetNodes(l + l), (allNodes, allNodes))
# children of l are nodes
self.assertEqual(nest.GetNodes(
l, properties={'parent': l[0]}), (allSubnets, ))
# local id of second intermediate subnet and middle nodes
self.assertEqual(nest.GetNodes(
l, properties={'local_id': 2}), ((4, 6, 8), ))
# selection by model type
self.assertEqual(nest.GetNodes(
l, properties={'model': 'subnet'}), (allSubnets, ))
self.assertEqual(nest.GetNodes(
l, properties={'model': model}), (allLeaves, ))
[docs] def test_GetChildren(self):
"""GetChildren"""
nest.ResetKernel()
model = 'iaf_psc_alpha'
l = nest.LayoutNetwork(model, (2, 3))
topKids = (2, 6)
kids2 = (3, 4, 5)
kids6 = (7, 8, 9)
# test top level
self.assertEqual(nest.GetChildren(l), (topKids, ))
# test underlying level
self.assertEqual(nest.GetChildren((2, 6)), (kids2, kids6))
# test with empty dict
self.assertEqual(nest.GetChildren(l, properties={}), (topKids, ))
# local id of middle nodes
self.assertEqual(nest.GetChildren(
(2, 6), properties={'local_id': 2}), ((4, ), (8, )))
# selection by model type
self.assertEqual(nest.GetChildren(
l, properties={'model': 'subnet'}), (topKids, ))
self.assertEqual(nest.GetChildren(
(2, ), properties={'model': 'subnet'}), (tuple(), ))
self.assertEqual(nest.GetChildren(
(2, ), properties={'model': model}), (kids2, ))
[docs] def test_GetNetwork(self):
"""GetNetwork"""
nest.ResetKernel()
nest.BeginSubnet(label='subnet1')
nest.BeginSubnet(label='subnet2')
n = nest.Create('iaf_psc_alpha', 100)
sn2 = nest.EndSubnet()
sn1 = nest.EndSubnet()
self.assertEqual(nest.CurrentSubnet(), (0, ))
self.assertEqual(nest.GetNetwork(sn1, 1)[1], sn2[0])
self.assertEqual(len(nest.GetNetwork(sn1, 2)[1]), len(
nest.GetNetwork(sn2, 1)))
[docs]def suite():
suite = unittest.makeSuite(NetworkTestCase, 'test')
return suite
[docs]def run():
runner = unittest.TextTestRunner(verbosity=2)
runner.run(suite())
if __name__ == "__main__":
run()
