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bec_widgets/tests/unit_tests/client_mocks.py

53 lines
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Python

# pylint: disable = no-name-in-module,missing-class-docstring, missing-module-docstring
from unittest.mock import MagicMock, patch
import fakeredis
import pytest
from bec_lib.redis_connector import RedisConnector
from bec_widgets.tests.utils import DEVICES, DMMock, FakePositioner, Positioner
def fake_redis_server(host, port):
redis = fakeredis.FakeRedis()
return redis
@pytest.fixture(scope="function")
def mocked_client(bec_dispatcher):
connector = RedisConnector("localhost:1", redis_cls=fake_redis_server)
# Create a MagicMock object
client = MagicMock() # TODO change to real BECClient
# Shutdown the original client
bec_dispatcher.client.shutdown()
# Mock the connector attribute
bec_dispatcher.client = client
# Mock the device_manager.devices attribute
client.connector = connector
client.device_manager = DMMock()
client.device_manager.add_devives(DEVICES)
def mock_mv(*args, relative=False):
# Extracting motor and value pairs
for i in range(0, len(args), 2):
motor = args[i]
value = args[i + 1]
motor.move(value, relative=relative)
return MagicMock(wait=MagicMock())
client.scans = MagicMock(mv=mock_mv)
# Ensure isinstance check for Positioner passes
original_isinstance = isinstance
def isinstance_mock(obj, class_info):
if class_info == Positioner and isinstance(obj, FakePositioner):
return True
return original_isinstance(obj, class_info)
with patch("builtins.isinstance", new=isinstance_mock):
yield client
connector.shutdown() # TODO change to real BECClient