def METHOD_NAME(self):
    # Arrange, Act
    data_type = DataType(Data, {"b": 2, "a": 1, "c": None})
    # Assert
    assert data_type.type == Data
    assert data_type.metadata == {"a": 1, "b": 2, "c": None}
    assert data_type.topic == "Data.b=2.a=1.c=*"
    assert str(data_type) == "Data{'b': 2, 'a': 1, 'c': None}"
    assert repr(data_type) == "DataType(type=Data, metadata={'b': 2, 'a': 1, 'c': None})"