def testNupicSpatialPoolerSavingToString(self):
"""Test writing to and reading from NuPIC SpatialPooler."""
# Simple test: make sure that writing/reading works...
sp = SP()
s = sp.writeToString()
sp2 = SP(columnDimensions=[32, 32])
sp2.loadFromString(s)
self.assertEqual(
sp.getNumColumns(), sp2.getNumColumns(),
"NuPIC SpatialPooler write to/read from string failed.")
def testNupicSpatialPoolerSavingToString(self):
"""Test writing to and reading from NuPIC SpatialPooler."""
inputs = SDR( 100 ).randomize( .05 )
active = SDR( 100 )
sp = SP( inputs.dimensions, active.dimensions, stimulusThreshold = 1 )
for _ in range(10):
sp.compute( inputs, True, active )
# Simple test: make sure that writing/reading works...
s = sp.writeToString()
sp2 = SP(columnDimensions=[32, 32])
sp2.loadFromString(s)
self.assertEqual(sp.getNumColumns(), sp2.getNumColumns(),
"NuPIC SpatialPooler write to/read from string failed.")
self.assertEqual(str(sp), str(sp2),
"HTM SpatialPooler write to/read from string failed.")
def testNupicSpatialPoolerPickling(self):
"""Test pickling / unpickling of NuPIC SpatialPooler."""
# Simple test: make sure that dumping / loading works...
sp = SP()
pickledSp = pickle.dumps(sp)
sp2 = pickle.loads(pickledSp)
self.assertEqual(sp.getNumColumns(), sp2.getNumColumns(),
"Simple NuPIC SpatialPooler pickle/unpickle failed.")
def _runGetConnectedCounts(self, uint_type):
""" Check that getConnectedCounts() returns values. """
inputs = SDR(100).randomize(.05)
active = SDR(100)
sp = SP(inputs.dimensions, active.dimensions, stimulusThreshold=1)
for _ in range(10):
sp.compute(inputs, True, active)
# There should be at least one connected none zero
connected = np.zeros(sp.getNumColumns(), dtype=uint_type)
sp.getConnectedCounts(connected)
assert (connected.sum() > 0)