text: import unittest
  
  from reachy import parts, Reachy
  
  from mockup import mock_luos_io
  
  mock_luos_io()
  
  
  class ReachyTestCase(unittest.TestCase):
      def setUp(self):
          self.reachy = Reachy(
              left_arm=parts.LeftArm(io='', hand='force_gripper'),
              right_arm=parts.RightArm(io='', hand='force_gripper'),
          )
  
      def test_motors(self):
          self.assertEqual(len(self.reachy.left_arm.motors), 8)
          self.assertEqual(len(self.reachy.left_arm.hand.motors), 4)
          self.assertEqual(len(self.reachy.right_arm.motors), 8)
          self.assertEqual(len(self.reachy.left_arm.hand.motors), 4)
          self.assertEqual(len(self.reachy.motors), 16)
  