def test_find_by_n(self): mkey = "test_mkey" bn = "mytopic" n = "t" d = {"mkey": mkey, "bn": bn} sensors = Sensors(d) sensors.add({"mkey": mkey, "bn": bn, "n": n}) s = sensors.find_by_n("t") self.assertIsNotNone(s) self.assertEqual(mkey, s["mkey"]) self.assertEqual(bn, s["bn"]) self.assertEqual(n, s["n"])