def _create_id_string(self, meter_id: MeterId, meter_type: str) -> str:
s = "{}:{}".format(meter_type,
self._replace_invalid_chars(meter_id.name))
for key, value in sorted(meter_id.tags().items()):
k = self._replace_invalid_chars(key)
v = self._replace_invalid_chars(value)
s += ",{}={}".format(k, v)
return s + ":"
def test_with_tags_returns_new_object(self):
id1 = MeterId("foo")
id2 = id1.with_tags({"a": "1", "b": "2"})
self.assertNotEqual(id1, id2)
self.assertEqual({}, id1.tags())
self.assertEqual({"a": "1", "b": "2"}, id2.tags())
def test_tags_defensive_copy(self):
id1 = MeterId("foo", {"a": "1"})
tags = id1.tags()
tags["b"] = "2"
self.assertEqual({"a": "1", "b": "2"}, tags)
self.assertEqual({"a": "1"}, id1.tags())
def test_tags(self):
id1 = MeterId("foo", {"a": "1"})
self.assertEqual({"a": "1"}, id1.tags())
