def test_manual_weight_overrides_connector(self, sim_mock):
dev = PoissonGenerator(connector={
'weight': 2,
'delay': 4,
'mode': 'AllToAll'
},
weight=42)
dev.connect(Mock())
self.assertTrue(sim_mock().Population.called)
self.assertFalse(sim_mock().initialize.called)
self.assertDictEqual(
dev._parameters, {
"duration": float("inf"),
"start": 0.0,
"rate": 0.0,
"connector": sim_mock().AllToAllConnector(),
"weight": 42,
"delay": 4,
"source": None,
"receptor_type": "excitatory",
"synapse_type": sim_mock().StaticSynapse(),
"label": None,
"rng": None,
"n": 1
})
def test_activation(self, sim_mock):
dev = PoissonGenerator()
dev.connect(Mock())
self.assertTrue(dev.active)
dev.active = False
self.assertFalse(dev.active)
dev.active = True
self.assertTrue(dev.active)
def test_synapse_dynamics(self, sim_mock):
dev = PoissonGenerator(synapse_type={
'type': 'TsodyksMarkram',
'U': 0,
'tau_rec': 8,
'tau_facil': 15
})
dev.connect(Mock())
self.assertTrue(sim_mock().Population.called)
self.assertFalse(sim_mock().initialize.called)
self.assertIsNotNone(dev._parameters["synapse_type"])
self.assertTrue(sim_mock().TsodyksMarkramSynapse.called)
def test_inhibitory(self, sim_mock):
dev = PoissonGenerator(receptor_type="inhibitory")
dev.connect(Mock())
self.assertTrue(sim_mock().Population.called)
self.assertFalse(sim_mock().initialize.called)
self.assertDictEqual(
dev._parameters, {
"duration": float("inf"),
"start": 0.0,
"rate": 0.0,
"connector": sim_mock().AllToAllConnector(),
"weight": 0.00015,
"delay": 0.1,
"source": None,
"receptor_type": "inhibitory",
"synapse_type": sim_mock().StaticSynapse(),
"label": None,
"rng": None,
"n": 1
})
def test_connector_no_delays(self, sim_mock):
dev = PoissonGenerator(connector={
'weight': 1,
'mode': 'Fixed',
'n': 1
})
dev.connect(Mock())
self.assertTrue(sim_mock().Population.called)
self.assertFalse(sim_mock().initialize.called)
self.assertDictEqual(
dev._parameters, {
"duration": float("inf"),
"start": 0.0,
"rate": 0.0,
"connector": sim_mock().FixedNumberPreConnector(),
"weight": 1,
"delay": 0.1,
"source": None,
"receptor_type": "excitatory",
"synapse_type": sim_mock().StaticSynapse(),
"label": None,
"rng": None,
"n": 1
})