def test_initial_fscore_sets_infinity_for_all_except_start_node(map_40):
planner = PathPlanner(map_40, 1, 39)
f_score = planner.create_fScore()
for score in f_score:
if score != 1:
assert f_score[score] == math.inf
def test_initial_fscore_sets_zero_for_start_node(map_40):
planner = PathPlanner(map_40, 3, 11)
f_score = planner.create_fScore()
assert 0 == f_score[3]