Files
ophyd_devices/tests/test_controller.py

103 lines
4.3 KiB
Python

from unittest import mock
from ophyd_devices.utils.controller import Controller
def test_controller_off(dm_with_devices):
controller = Controller(
socket_cls=mock.MagicMock(),
socket_host="dummy",
socket_port=123,
device_manager=dm_with_devices,
)
controller.on()
with mock.patch.object(controller.device_manager, "config_helper") as mock_config_helper:
with mock.patch.object(controller.sock, "close") as mock_close:
controller.off()
assert controller.sock is None
assert controller.connected is False
mock_close.assert_called_once()
# make sure it is indempotent
controller.off()
controller._reset_controller()
def test_controller_on(dm_with_devices):
socket_cls = mock.MagicMock()
Controller._controller_instances = {}
controller = Controller(
socket_cls=socket_cls, socket_host="dummy", socket_port=123, device_manager=dm_with_devices
)
controller.on()
assert controller.sock is not None
assert controller.connected is True
socket_cls().open.assert_called_once()
# make sure it is indempotent
controller.on()
socket_cls().open.assert_called_once()
controller._reset_controller()
def test_controller_with_multiple_axes(dm_with_devices):
"""Test that turning the controller on and off enables/disables all axes attached to it."""
socket_cls = mock.MagicMock()
Controller._controller_instances = {}
Controller._axes_per_controller = 2
controller = Controller(
socket_cls=socket_cls, socket_host="dummy", socket_port=123, device_manager=dm_with_devices
)
with mock.patch.object(controller.device_manager, "config_helper") as mock_config_helper:
# Disable samx, samy first
dm_with_devices.devices.get("samx").enabled = False
dm_with_devices.devices.get("samy").enabled = False
# Set axes on the controller
controller.set_axis(axis=dm_with_devices.devices["samx"], axis_nr=0)
controller.set_axis(axis=dm_with_devices.devices["samy"], axis_nr=1)
# Turn the controller on, should turn the controller on, but not enable the axes
controller.on()
assert dm_with_devices.devices.get("samx").enabled is False
assert dm_with_devices.devices.get("samy").enabled is False
assert controller.connected is True
controller.set_all_devices_enabled(True)
assert dm_with_devices.devices.get("samx").enabled is True
assert dm_with_devices.devices.get("samy").enabled is True
# Disable one axis after another, the last one should turn the controller off
controller.set_device_enabled("samx", False)
assert controller.connected is True
assert dm_with_devices.devices.get("samx").enabled is False
assert dm_with_devices.devices.get("samy").enabled is True
controller.set_device_enabled("samy", False)
assert dm_with_devices.devices.get("samy").enabled is False
# Enabling one axis should turn the controller back on
assert controller.connected is False
controller.set_device_enabled("samx", True)
assert controller.connected is True
def test_remove_axis_from_controller(dm_with_devices):
"""Test removing an axis from a controller."""
socket_cls = mock.MagicMock()
Controller._controller_instances = {}
Controller._axes_per_controller = 2
controller = Controller(
socket_cls=socket_cls, socket_host="dummy", socket_port=123, device_manager=dm_with_devices
)
# Set axes on the controller
controller.set_axis(axis=dm_with_devices.devices["samx"], axis_nr=0)
controller.set_axis(axis=dm_with_devices.devices["samy"], axis_nr=1)
assert len(controller._axis) == 2
with mock.patch.object(controller, "off") as mock_off:
# Remove one axis
controller.remove_axis(axis_nr=0)
assert len([a for a in controller._axis if a is not None]) == 1
assert "samy" in [a.name for a in controller._axis if a is not None]
mock_off.assert_not_called()
# Remove the last axis, should disable the controller
controller.remove_axis(axis_nr=1)
assert len([a for a in controller._axis if a is not None]) == 0
assert controller.connected is False
mock_off.assert_called_once_with(update_config=False)