pydase/tests/data_service/test_data_service_list.py
2023-11-09 11:59:48 +01:00

130 lines
3.9 KiB
Python

from typing import Any
from pytest import LogCaptureFixture
import pydase.units as u
from pydase import DataService
def test_class_list_attribute(caplog: LogCaptureFixture) -> None:
class ServiceClass(DataService):
attr = [0, 1]
service_instance = ServiceClass()
service_instance.attr[0] = 1337
assert "ServiceClass.attr[0] changed to 1337" in caplog.text
caplog.clear()
def test_instance_list_attribute(caplog: LogCaptureFixture) -> None:
class SubClass(DataService):
name = "SubClass"
class ServiceClass(DataService):
def __init__(self) -> None:
self.attr: list[Any] = [0, SubClass()]
super().__init__()
service_instance = ServiceClass()
service_instance.attr[0] = "Hello"
assert "ServiceClass.attr[0] changed to Hello" in caplog.text
caplog.clear()
service_instance.attr[1] = SubClass()
assert f"ServiceClass.attr[1] changed to {service_instance.attr[1]}" in caplog.text
caplog.clear()
def test_reused_instance_list_attribute(caplog: LogCaptureFixture) -> None:
some_list = [0, 1, 2]
class ServiceClass(DataService):
def __init__(self) -> None:
self.attr = some_list
self.attr_2 = some_list
self.attr_3 = [0, 1, 2]
super().__init__()
service_instance = ServiceClass()
service_instance.attr[0] = 20
assert service_instance.attr == service_instance.attr_2
assert service_instance.attr != service_instance.attr_3
assert "ServiceClass.attr[0] changed to 20" in caplog.text
assert "ServiceClass.attr_2[0] changed to 20" in caplog.text
def test_nested_reused_instance_list_attribute(caplog: LogCaptureFixture) -> None:
some_list = [0, 1, 2]
class SubClass(DataService):
attr_list = some_list
def __init__(self) -> None:
self.attr_list_2 = some_list
super().__init__()
class ServiceClass(DataService):
def __init__(self) -> None:
self.attr = some_list
self.subclass = SubClass()
super().__init__()
service_instance = ServiceClass()
service_instance.attr[0] = 20
assert service_instance.attr == service_instance.subclass.attr_list
assert "ServiceClass.attr[0] changed to 20" in caplog.text
assert "ServiceClass.subclass.attr_list[0] changed to 20" in caplog.text
assert "ServiceClass.subclass.attr_list_2[0] changed to 20" in caplog.text
def test_protected_list_attribute(caplog: LogCaptureFixture) -> None:
"""Changing protected lists should not emit notifications for the lists themselves,
but still for all properties depending on them.
"""
class ServiceClass(DataService):
_attr = [0, 1]
@property
def list_dependend_property(self) -> int:
return self._attr[0]
service_instance = ServiceClass()
service_instance._attr[0] = 1337
assert "ServiceClass.list_dependend_property changed to 1337" in caplog.text
def test_converting_int_to_float_entries(caplog: LogCaptureFixture) -> None:
class ServiceClass(DataService):
float_list = [0.0]
service_instance = ServiceClass()
service_instance.float_list[0] = 1
assert isinstance(service_instance.float_list[0], float)
assert "ServiceClass.float_list[0] changed to 1.0" in caplog.text
def test_converting_number_to_quantity_entries(caplog: LogCaptureFixture) -> None:
class ServiceClass(DataService):
quantity_list: list[u.Quantity] = [1 * u.units.A]
service_instance = ServiceClass()
service_instance.quantity_list[0] = 4 # type: ignore
assert isinstance(service_instance.quantity_list[0], u.Quantity)
assert "ServiceClass.quantity_list[0] changed to 4.0 A" in caplog.text
caplog.clear()
service_instance.quantity_list[0] = 3.1 * u.units.mA
assert isinstance(service_instance.quantity_list[0], u.Quantity)
assert "ServiceClass.quantity_list[0] changed to 3.1 mA" in caplog.text