Files
debye_bec/tests/tests_devices/test_mo1_bragg.py
2024-07-12 14:23:56 +02:00

114 lines
3.5 KiB
Python

# pylint: skip-file
import os
import threading
import time
from unittest import mock
import ophyd
import pytest
from ophyd.utils import LimitError
from ophyd_devices.tests.utils import MockPV
# from bec_server.device_server.tests.utils import DMMock
from debye_bec.devices.mo1_bragg import Mo1Bragg, MoveType
# TODO move this function to ophyd_devices, it is duplicated in csaxs_bec and needed for other pluging repositories
from debye_bec.devices.test_utils.utils import patch_dual_pvs
@pytest.fixture(scope="function")
def mock_bragg():
name = "bragg"
prefix = "X01DA-OP-MO1:BRAGG:"
with mock.patch.object(ophyd, "cl") as mock_cl:
mock_cl.get_pv = MockPV
mock_cl.thread_class = threading.Thread
dev = Mo1Bragg(name=name, prefix=prefix)
patch_dual_pvs(dev)
yield dev
def test_init(mock_bragg):
dev = mock_bragg
assert dev.name == "bragg"
assert dev.prefix == "X01DA-OP-MO1:BRAGG:"
assert dev.move_type.get() == MoveType.ENERGY
assert dev.crystal.offset_si111._read_pvname == "X01DA-OP-MO1:BRAGG:offset_si111_RBV"
assert dev.move_abs._read_pvname == "X01DA-OP-MO1:BRAGG:move_abs"
def test_check_value(mock_bragg):
dev = mock_bragg
dev.low_limit_energy._read_pv.mock_data = 0
dev.high_limit_energy._read_pv.mock_data = 1
dev.low_limit_angle._read_pv.mock_data = 10
dev.high_limit_angle._read_pv.mock_data = 20
# Check that limits are taken correctly from angle or energy
# Energy first
move_type = MoveType.ENERGY
dev.move_type.set(move_type)
# nothing happens
dev.check_value(0.5)
with pytest.raises(LimitError):
dev.check_value(15)
# Angle next
move_type = MoveType.ANGLE
dev.move_type.set(move_type)
dev.check_value(15)
with pytest.raises(LimitError):
dev.check_value(0.5)
def test_egu(mock_bragg):
dev = mock_bragg
assert dev.egu == "eV"
dev.move_type.set(MoveType.ANGLE)
assert dev.egu == "deg"
def test_move_succeeds(mock_bragg):
dev = mock_bragg
dev.move_abs._read_pv.mock_data = 0
# Move succeeds
with mock.patch.object(dev.move_abs_done._read_pv, "mock_data", side_effect=[0, 1]):
status = dev.move(0.5)
# Sleep needed for while loop in _move_and_finish
time.sleep(0.5)
assert status.done is True
assert status.success is True
assert dev.setpoint_abs_energy.get() == 0.5
assert dev.move_abs.get() == 1
def test_stop_move(mock_bragg):
dev = mock_bragg
dev.move_abs._read_pv.mock_data = 0
dev.move_abs_done._read_pv.mock_data = 0
# Move fails
status = dev.move(0.5)
assert status.done is False
time.sleep(0.5)
assert dev._stopped == False
dev.stop()
time.sleep(0.5)
assert dev._stopped == True
assert status.done is True
assert status.success is False
def test_set_xtal(mock_bragg):
dev = mock_bragg
dev.set_xtal("111")
# Default values for mock
assert dev.crystal.offset_si111.get() == 0
assert dev.crystal.offset_si311.get() == 0
assert dev.crystal.d_spacing_si111.get() == 0
assert dev.crystal.d_spacing_si311.get() == 0
assert dev.crystal.xtal_enum.get() == 0
dev.set_xtal("311", offset_si111=1, offset_si311=2, d_spacing_si111=3, d_spacing_si311=4)
assert dev.crystal.offset_si111.get() == 1
assert dev.crystal.offset_si311.get() == 2
assert dev.crystal.d_spacing_si111.get() == 3
assert dev.crystal.d_spacing_si311.get() == 4
assert dev.crystal.xtal_enum.get() == 1