def test_initial_gscore_sets_infinity_for_all_except_start_node(map_40):
planner = PathPlanner(map_40, 2, 39)
g_score = planner.create_gScore()
for score in g_score:
if score != 2:
assert g_score[score] == math.inf
def test_initial_gscore_sets_zero_for_start_node(map_40):
planner = PathPlanner(map_40, 1, 34)
g_score = planner.create_gScore()
assert 0 == g_score[1]
