def testPathsNotInvalidatedByOtherDestroys(self): """ Creates segments and synapses, then destroys segments and synapses on either side of them and verifies that existing Segment and Synapse instances still point to the same segment / synapse as before. """ connections = Connections(1024) segment1 = connections.createSegment(11) connections.createSegment(12) segment3 = connections.createSegment(13) connections.createSegment(14) segment5 = connections.createSegment(15) synapse1 = connections.createSynapse(segment3, 201, .85) synapse2 = connections.createSynapse(segment3, 202, .85) synapse3 = connections.createSynapse(segment3, 203, .85) synapse4 = connections.createSynapse(segment3, 204, .85) synapse5 = connections.createSynapse(segment3, 205, .85) self.assertEqual(203, synapse3.presynapticCell) connections.destroySynapse(synapse1) self.assertEqual(203, synapse3.presynapticCell) connections.destroySynapse(synapse5) self.assertEqual(203, synapse3.presynapticCell) connections.destroySegment(segment1) self.assertEqual(set([synapse2, synapse3, synapse4]), connections.synapsesForSegment(segment3)) connections.destroySegment(segment5) self.assertEqual(set([synapse2, synapse3, synapse4]), connections.synapsesForSegment(segment3)) self.assertEqual(203, synapse3.presynapticCell)
def testPathsNotInvalidatedByOtherDestroys(self): """ Creates segments and synapses, then destroys segments and synapses on either side of them and verifies that existing Segment and Synapse instances still point to the same segment / synapse as before. """ connections = Connections(1024) segment1 = connections.createSegment(11) connections.createSegment(12) segment3 = connections.createSegment(13) connections.createSegment(14) segment5 = connections.createSegment(15) synapse1 = connections.createSynapse(segment3, 201, .85) synapse2 = connections.createSynapse(segment3, 202, .85) synapse3 = connections.createSynapse(segment3, 203, .85) synapse4 = connections.createSynapse(segment3, 204, .85) synapse5 = connections.createSynapse(segment3, 205, .85) self.assertEqual(203, synapse3.presynapticCell) connections.destroySynapse(synapse1) self.assertEqual(203, synapse3.presynapticCell) connections.destroySynapse(synapse5) self.assertEqual(203, synapse3.presynapticCell) connections.destroySegment(segment1) self.assertEqual(set([synapse2, synapse3, synapse4]), connections.synapsesForSegment(segment3)) connections.destroySegment(segment5) self.assertEqual(set([synapse2, synapse3, synapse4]), connections.synapsesForSegment(segment3)) self.assertEqual(203, synapse3.presynapticCell)
def testReuseSegmentWithDestroyedSynapses(self): """ Destroy a segment that has a destroyed synapse and a non-destroyed synapse. Create a new segment in the same place. Make sure its synapse count is correct. """ connections = Connections(1024) segment = connections.createSegment(11) synapse1 = connections.createSynapse(segment, 201, .85) connections.createSynapse(segment, 202, .85) connections.destroySynapse(synapse1) self.assertEqual(1, connections.numSynapses(segment)) connections.destroySegment(segment) reincarnated = connections.createSegment(11) self.assertEqual(0, connections.numSynapses(reincarnated)) self.assertEqual(0, len(connections.synapsesForSegment(reincarnated)))
def testReuseSegmentWithDestroyedSynapses(self): """ Destroy a segment that has a destroyed synapse and a non-destroyed synapse. Create a new segment in the same place. Make sure its synapse count is correct. """ connections = Connections(1024) segment = connections.createSegment(11) synapse1 = connections.createSynapse(segment, 201, .85) connections.createSynapse(segment, 202, .85) connections.destroySynapse(synapse1) self.assertEqual(1, connections.numSynapses(segment)) connections.destroySegment(segment) reincarnated = connections.createSegment(11) self.assertEqual(0, connections.numSynapses(reincarnated)) self.assertEqual(0, len(connections.synapsesForSegment(reincarnated)))
def testDestroySynapsesThenReachLimit(self): """ Destroy some synapses then verify that the maxSynapsesPerSegment is still correctly applied. """ connections = Connections(1024, 2, 2) segment = connections.createSegment(10) synapse1 = connections.createSynapse(segment, 201, .85) synapse2 = connections.createSynapse(segment, 202, .85) self.assertEqual(2, connections.numSynapses()) connections.destroySynapse(synapse1) connections.destroySynapse(synapse2) self.assertEqual(0, connections.numSynapses()) connections.createSynapse(segment, 201, .85) self.assertEqual(1, connections.numSynapses()) connections.createSynapse(segment, 202, .90) self.assertEqual(2, connections.numSynapses()) synapse3 = connections.createSynapse(segment, 203, .8) self.assertEqual(2, connections.numSynapses())
def testDestroySynapsesThenReachLimit(self): """ Destroy some synapses then verify that the maxSynapsesPerSegment is still correctly applied. """ connections = Connections(1024, 2, 2) segment = connections.createSegment(10) synapse1 = connections.createSynapse(segment, 201, .85) synapse2 = connections.createSynapse(segment, 202, .85) self.assertEqual(2, connections.numSynapses()) connections.destroySynapse(synapse1) connections.destroySynapse(synapse2) self.assertEqual(0, connections.numSynapses()) connections.createSynapse(segment, 201, .85) self.assertEqual(1, connections.numSynapses()) connections.createSynapse(segment, 202, .90) self.assertEqual(2, connections.numSynapses()) synapse3 = connections.createSynapse(segment, 203, .8) self.assertEqual(2, connections.numSynapses())
def testDestroySynapse(self): """ Creates a segment, creates a number of synapses on it, destroys a synapse, and makes sure it got destroyed. """ connections = Connections(1024) segment = connections.createSegment(20) synapse1 = connections.createSynapse(segment, 80, .85) synapse2 = connections.createSynapse(segment, 81, .85) synapse3 = connections.createSynapse(segment, 82, .15) self.assertEqual(3, connections.numSynapses()) connections.destroySynapse(synapse2) self.assertEqual(2, connections.numSynapses()) self.assertEqual(set([synapse1, synapse3]), connections.synapsesForSegment(segment)) (numActiveConnected, numActivePotential) = connections.computeActivity([80, 81, 82], .5) self.assertEqual(1, numActiveConnected[segment.flatIdx]) self.assertEqual(2, numActivePotential[segment.flatIdx])
def testDestroySynapse(self): """ Creates a segment, creates a number of synapses on it, destroys a synapse, and makes sure it got destroyed. """ connections = Connections(1024) segment = connections.createSegment(20) synapse1 = connections.createSynapse(segment, 80, .85) synapse2 = connections.createSynapse(segment, 81, .85) synapse3 = connections.createSynapse(segment, 82, .15) self.assertEqual(3, connections.numSynapses()) connections.destroySynapse(synapse2) self.assertEqual(2, connections.numSynapses()) self.assertEqual(set([synapse1, synapse3]), connections.synapsesForSegment(segment)) (numActiveConnected, numActivePotential) = connections.computeActivity([80, 81, 82], .5) self.assertEqual(1, numActiveConnected[segment.flatIdx]) self.assertEqual(2, numActivePotential[segment.flatIdx])
def testDestroySegmentWithDestroyedSynapses(self): """ Destroy a segment that has a destroyed synapse and a non-destroyed synapse. Make sure nothing gets double-destroyed. """ connections = Connections(1024) segment1 = connections.createSegment(11) segment2 = connections.createSegment(12) connections.createSynapse(segment1, 101, .85) synapse2a = connections.createSynapse(segment2, 201, .85) connections.createSynapse(segment2, 202, .85) self.assertEqual(3, connections.numSynapses()) connections.destroySynapse(synapse2a) self.assertEqual(2, connections.numSegments()) self.assertEqual(2, connections.numSynapses()) connections.destroySegment(segment2) self.assertEqual(1, connections.numSegments()) self.assertEqual(1, connections.numSynapses())
def testDestroySegmentWithDestroyedSynapses(self): """ Destroy a segment that has a destroyed synapse and a non-destroyed synapse. Make sure nothing gets double-destroyed. """ connections = Connections(1024) segment1 = connections.createSegment(11) segment2 = connections.createSegment(12) connections.createSynapse(segment1, 101, .85) synapse2a = connections.createSynapse(segment2, 201, .85) connections.createSynapse(segment2, 202, .85) self.assertEqual(3, connections.numSynapses()) connections.destroySynapse(synapse2a) self.assertEqual(2, connections.numSegments()) self.assertEqual(2, connections.numSynapses()) connections.destroySegment(segment2) self.assertEqual(1, connections.numSegments()) self.assertEqual(1, connections.numSynapses())