def test_get_total_distance(self):
legs = Legs()
self.assertEqual(legs.get_total_distance(), 0)
legs.perform_move()
expected = 22.131 - .01
self.assertEqual(legs.get_total_distance(), expected)
def test_distance_per_step(self):
legs = Legs()
self.assertIsInstance(legs.distance_per_step(), float)
def test_perform_move(self):
legs = Legs()
self.assertEqual(legs.steps_taken, 0)
legs.perform_move()
self.assertEqual(legs.steps_taken, 1)
