def test_not_zeroed_points_correct_distance():
station = Station(Point(5, 5), 10)
p2 = Point(10, 10)
assert round(station.distance(p2), 4) == 7.0711
def test_same_point_zero_distance():
station = Station(Point(0, 0), 10)
p2 = Point(0, 0)
assert station.distance(p2) == 0
def test_different_points_correct_distance():
station = Station(Point(0, 0), 10)
p2 = Point(10, 10)
assert round(station.distance(p2), 4) == 14.1421
