Files
ophyd_devices/tests/test_undulator.py

59 lines
1.8 KiB
Python

from unittest import mock
import pytest
from ophyd_devices.devices.undulator import UndulatorGap
from ophyd_devices.tests.utils import patched_device
@pytest.fixture(scope="function")
def mock_undulator():
with patched_device(UndulatorGap, name="undulator", prefix="TEST:UNDULATOR") as und:
yield und
@pytest.mark.parametrize(
["start", "end", "in_deadband_expected"],
[
(1.0, 1.0, True),
(0, 1.0, False),
(-0.004, 0.004, False),
(-0.0027, -0.0023, True),
(1, 1.0009, False),
(1, 1.0007, True),
],
)
@mock.patch("ophyd_devices.devices.undulator.PVPositioner.move")
@mock.patch("ophyd_devices.devices.undulator.MoveStatus")
def test_instant_completion_within_deadband(
mock_movestatus, mock_super_move, mock_undulator, start, end, in_deadband_expected
):
mock_undulator.select_control._read_pv.mock_data = 1
mock_undulator._position = start
mock_undulator.move(end)
if in_deadband_expected:
mock_movestatus.assert_called_with(mock.ANY, mock.ANY, done=True, success=True)
else:
mock_movestatus.assert_not_called()
mock_super_move.assert_called_once()
def test_undulator_raises_when_disabled(mock_undulator):
mock_undulator.select_control._read_pv.mock_data = 0
with pytest.raises(PermissionError) as e:
mock_undulator.move(5)
assert e.match("Undulator is operator controlled!")
def test_undulator_stop_call(mock_undulator):
mock_undulator.select_control._read_pv.mock_data = 1
mock_undulator.stop_signal.put(0)
mock_undulator.stop()
assert mock_undulator.stop_signal.get() == 1
mock_undulator.stop_signal.put(0)
mock_undulator.select_control._read_pv.mock_data = 0
# Error should just be logged, not raised.
mock_undulator.stop()
assert mock_undulator.stop_signal.get() == 0