bec/device_server/tests/test_config_handler.py
2024-02-23 07:21:22 +01:00

108 lines
4.4 KiB
Python

import os
from unittest import mock
import bec_lib
import pytest
import yaml
from bec_lib import messages
from bec_lib.tests.utils import ConnectorMock, create_session_from_config
from test_device_manager_ds import device_manager
from device_server.devices.config_update_handler import ConfigUpdateHandler
from device_server.devices.devicemanager import DeviceConfigError, DeviceManagerDS
dir_path = os.path.dirname(bec_lib.__file__)
def test_request_response():
service_mock = mock.MagicMock()
service_mock.connector = ConnectorMock("")
device_manager = DeviceManagerDS(service_mock)
def get_config_from_mock():
with open(f"{dir_path}/tests/test_config.yaml", "r") as session_file:
device_manager._session = create_session_from_config(yaml.safe_load(session_file))
device_manager._load_session()
def mocked_failed_connection(obj):
if obj.name == "samx":
raise ConnectionError
config_reply = messages.RequestResponseMessage(accepted=True, message="")
with mock.patch.object(device_manager, "connect_device", wraps=mocked_failed_connection):
with mock.patch.object(device_manager, "_get_config", get_config_from_mock):
with mock.patch.object(
device_manager.config_helper, "wait_for_config_reply", return_value=config_reply
):
with mock.patch.object(device_manager.config_helper, "wait_for_service_response"):
device_manager.initialize("")
with mock.patch.object(
device_manager.config_update_handler, "send_config_request_reply"
) as request_reply:
device_manager.config_update_handler.parse_config_request(
msg=messages.DeviceConfigMessage(
action="update", config={"something": "something"}
)
)
request_reply.assert_called_once()
def test_config_handler_update_config(device_manager):
handler = ConfigUpdateHandler(device_manager)
# bpm4i doesn't have a controller, so it should be destroyed
msg = messages.DeviceConfigMessage(action="update", config={"bpm4i": {"enabled": False}})
handler._update_config(msg)
assert device_manager.devices.bpm4i.enabled is False
assert device_manager.devices.bpm4i.initialized is False
assert device_manager.devices.bpm4i.obj._destroyed is True
msg = messages.DeviceConfigMessage(action="update", config={"bpm4i": {"enabled": True}})
handler._update_config(msg)
assert device_manager.devices.bpm4i.enabled is True
assert device_manager.devices.bpm4i.initialized is True
assert device_manager.devices.bpm4i.obj._destroyed is False
def test_config_handler_update_config_raises(device_manager):
handler = ConfigUpdateHandler(device_manager)
msg = messages.DeviceConfigMessage(
action="update", config={"samx": {"deviceConfig": {"doesntexist": True}}}
)
old_config = device_manager.devices.samx._config["deviceConfig"].copy()
with pytest.raises(DeviceConfigError):
handler._update_config(msg)
assert device_manager.devices.samx._config["deviceConfig"] == old_config
def test_reload_action(device_manager):
handler = ConfigUpdateHandler(device_manager)
dm = handler.device_manager
with mock.patch.object(dm.devices.samx.obj, "destroy") as obj_destroy:
with mock.patch.object(dm, "_get_config") as get_config:
handler._reload_config()
obj_destroy.assert_called_once()
get_config.assert_called_once()
def test_parse_config_request_update(device_manager):
handler = ConfigUpdateHandler(device_manager)
msg = messages.DeviceConfigMessage(
action="update", config={"samx": {"deviceConfig": {"doesntexist": True}}}
)
with mock.patch.object(handler, "_update_config") as update_config:
handler.parse_config_request(msg)
update_config.assert_called_once_with(msg)
def test_parse_config_request_reload(device_manager):
handler = ConfigUpdateHandler(device_manager)
dm = handler.device_manager
dm.failed_devices = ["samx"]
msg = messages.DeviceConfigMessage(action="reload", config={})
with mock.patch.object(handler, "_reload_config") as reload_config:
handler.parse_config_request(msg)
reload_config.assert_called_once()
assert msg.metadata["failed_devices"] == ["samx"]