pydase/tests/data_service/test_data_service.py
2023-12-06 09:04:08 +01:00

30 lines
1.0 KiB
Python

import pydase.units as u
from pydase import DataService
from pydase.data_service.data_service_observer import DataServiceObserver
from pydase.data_service.state_manager import StateManager
from pytest import LogCaptureFixture
def test_unexpected_type_change_warning(caplog: LogCaptureFixture) -> None:
class ServiceClass(DataService):
attr_1 = 1.0
current = 1.0 * u.units.A
service_instance = ServiceClass()
state_manager = StateManager(service_instance)
DataServiceObserver(state_manager)
service_instance.attr_1 = 2
assert "'attr_1' changed to '2'" in caplog.text
assert (
"Type of 'attr_1' changed from 'float' to 'int'. This may have unwanted "
"side effects! Consider setting it to 'float' directly." in caplog.text
)
service_instance.current = 2
assert "'current' changed to '2'" in caplog.text
assert (
"Type of 'current' changed from 'Quantity' to 'int'. This may have unwanted "
"side effects! Consider setting it to 'Quantity' directly." in caplog.text
)