def test_parenting_and_deparenting(self):
p = BaseService("parent")
c = BaseService("child")
p.add_child(c)
self.assertEqual(len(p.keys()), 1)
c.disown_parent()
self.assertEqual(len(p.keys()), 0)
def test_stop_service_with_child(self):
class C(BaseService):
_outcome = 0
def stop_service(self):
self._outcome = 1
p = BaseService("parent")
c = C("child")
p.add_child(c)
p.start()
self.assertEqual(c._outcome, 0)
p.stop()
self.assertEqual(c._outcome, 1)
def test_double_add_child_fails(self):
p = BaseService("parent")
c = BaseService("child")
p.add_child(c)
self.assertRaises(KeyError, p.add_child, c)
