def test_Agenda_get_next_adds_to_executed():
from pyknow.agenda import Agenda
from pyknow.rule import Rule
from pyknow.activation import Activation
from collections import deque
act1 = Activation(rule=Rule(), facts=(1, ))
act2 = Activation(rule=Rule(), facts=(2, ))
a = Agenda()
a.activations = deque([act1, act2])
assert not act1 in a.executed
assert not act2 in a.executed
a.get_next()
assert act1 in a.executed
assert not act2 in a.executed
a.get_next()
assert act1 in a.executed
assert act2 in a.executed
