class TestGripper(TestCase):
def setUp(self):
self.gripper = Gripper()
def test_grip(self):
if self.gripper.state != 'released':
self.gripper.release().join()
self.gripper.grip().join()
self.assertEqual('gripped', self.gripper.state)
self.assertRaises(TransitionNotAllowed, self.gripper.grip().join)
def test_release(self):
if self.gripper.state != 'gripped':
self.gripper.grip().join()
self.gripper.release().join()
self.assertEqual('released', self.gripper.state)
self.assertRaises(TransitionNotAllowed, self.gripper.release().join)
def setUp(self):
self.gripper = Gripper()
def setUp(self):
self.gripper = Gripper()