def testState2String(self):
self.assertEqual("A", state2string([1, 0, 0, 0, 0, 0, 1]))
self.assertEqual("a", state2string([1, 1, 0, 0, 0, 0, 1]))
self.assertEqual("B", state2string([1, 0, 0, 0, 0, 1, 0]))
self.assertEqual("b", state2string([1, 1, 0, 0, 0, 1, 0]))
self.assertEqual("Z", state2string([1, 0, 1, 1, 0, 1, 0]))
self.assertEqual("z", state2string([1, 1, 1, 1, 0, 1, 0]))
self.assertEqual(" ", state2string([0, 1, 0, 0, 0, 0, 0]))
self.assertEqual("1", state2string([0, 0, 0, 0, 0, 0, 1]))
def main():
""" Entry of my program, ask user to input two strings,
first one is the stable string, the other one is the initial string. """
stable_str = raw_input("Please type the stable string, which you want the system to converge to: ")
stable_str = prune_input(stable_str)
matrix = matrix_creator(state_factory(stable_str))
init_str = raw_input("Please type the initial string for the system: ")
init_str = prune_input(init_str)
init_state = state_factory(init_str)
state = init_state[:]
update_str = ''
step = 0
while(update_str != stable_str):
neuron, output = random_update(state, matrix)
state[neuron] = output
step += 1
print "This is STEP '" + str(step) + "'"
print "neuron " + str(neuron) + " is updating"
print "The value of energy function is: " + str(energy_func(state, matrix))
update_str = state2string(state)
if update_str == stable_str:
print "====== Come to Stable ======"
print "'" + update_str + "'"
print "============================"
else:
print "Current state interpreted to string is: '" + update_str + "'"
print
