278 lines
9.5 KiB
Python
278 lines
9.5 KiB
Python
""" This module contains tests for the simulation devices in ophyd_devices """
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# pylint: disable: all
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import os
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from unittest import mock
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import h5py
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import numpy as np
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import pytest
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from ophyd import Device, Signal
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from ophyd_devices.ophyd_base_devices.bec_protocols import (
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BECDeviceProtocol,
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BECFlyerProtocol,
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BECPositionerProtocol,
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BECScanProtocol,
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BECSignalProtocol,
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)
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from ophyd_devices.sim.sim import SimCamera, SimFlyer, SimMonitor, SimPositioner
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from ophyd_devices.sim.sim_frameworks import H5ImageReplayProxy, SlitProxy
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from ophyd_devices.sim.sim_signals import ReadOnlySignal
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from ophyd_devices.utils.bec_device_base import BECDevice, BECDeviceBase
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from tests.utils import DMMock
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@pytest.fixture(scope="function")
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def signal(name="signal"):
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"""Fixture for Signal."""
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sig = ReadOnlySignal(name=name, value=0)
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yield sig
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@pytest.fixture(scope="function")
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def monitor(name="monitor"):
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"""Fixture for SimMonitor."""
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dm = DMMock()
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mon = SimMonitor(name=name, device_manager=dm)
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yield mon
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@pytest.fixture(scope="function")
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def camera(name="camera"):
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"""Fixture for SimCamera."""
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dm = DMMock()
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cam = SimCamera(name=name, device_manager=dm)
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yield cam
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@pytest.fixture(scope="function")
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def positioner(name="positioner"):
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"""Fixture for SimPositioner."""
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dm = DMMock()
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pos = SimPositioner(name=name, device_manager=dm)
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yield pos
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@pytest.fixture(scope="function")
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def h5proxy_fixture(name="h5proxy"):
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"""Fixture for SimCamera."""
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dm = DMMock()
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proxy = H5ImageReplayProxy(name=name, device_manager=dm)
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camera = SimCamera(name="eiger", device_manager=dm)
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yield proxy, camera
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@pytest.fixture(scope="function")
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def slitproxy_fixture(name="slit_proxy"):
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"""Fixture for SimCamera."""
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dm = DMMock()
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proxy = SlitProxy(name=name, device_manager=dm)
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camera = SimCamera(name="eiger", device_manager=dm)
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samx = SimPositioner(name="samx", device_manager=dm)
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yield proxy, camera, samx
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@pytest.fixture(scope="function")
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def flyer(name="flyer"):
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"""Fixture for SimFlyer."""
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dm = DMMock()
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fly = SimFlyer(name=name, device_manager=dm)
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yield fly
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def test_signal__init__(signal):
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"""Test the BECProtocol class"""
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assert isinstance(signal, BECDeviceProtocol)
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assert isinstance(signal, BECSignalProtocol)
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def test_monitor__init__(monitor):
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"""Test the __init__ method of SimMonitor."""
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assert isinstance(monitor, SimMonitor)
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assert isinstance(monitor, BECDeviceProtocol)
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assert isinstance(monitor, BECScanProtocol)
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def test_camera__init__(camera):
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"""Test the __init__ method of SimMonitor."""
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assert isinstance(camera, SimCamera)
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assert isinstance(camera, BECDeviceProtocol)
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assert isinstance(camera, BECScanProtocol)
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def test_positioner__init__(positioner):
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"""Test the __init__ method of SimPositioner."""
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assert isinstance(positioner, SimPositioner)
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assert isinstance(positioner, BECDeviceProtocol)
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assert isinstance(positioner, BECScanProtocol)
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assert isinstance(positioner, BECPositionerProtocol)
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def test_flyer__init__(flyer):
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"""Test the __init__ method of SimFlyer."""
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assert isinstance(flyer, SimFlyer)
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assert isinstance(flyer, BECDeviceProtocol)
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assert isinstance(flyer, BECScanProtocol)
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assert isinstance(flyer, BECFlyerProtocol)
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@pytest.mark.parametrize("center", [-10, 0, 10])
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def test_monitor_readback(monitor, center):
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"""Test the readback method of SimMonitor."""
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for model_name in monitor.sim.sim_get_models():
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monitor.sim.sim_select_model(model_name)
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monitor.sim.sim_params["noise_multipler"] = 10
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if "c" in monitor.sim.sim_params:
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monitor.sim.sim_params["c"] = center
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elif "center" in monitor.sim.sim_params:
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monitor.sim.sim_params["center"] = center
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assert isinstance(monitor.read()[monitor.name]["value"], monitor.BIT_DEPTH)
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expected_value = monitor.sim._model.eval(monitor.sim._model_params, x=0)
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print(expected_value, monitor.read()[monitor.name]["value"])
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tolerance = (
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monitor.sim.sim_params["noise_multipler"] + 1
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) # due to ceiling in calculation, but maximum +1int
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assert np.isclose(
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monitor.read()[monitor.name]["value"],
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expected_value,
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atol=monitor.sim.sim_params["noise_multipler"] + 1,
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)
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@pytest.mark.parametrize("amplitude, noise_multiplier", [(0, 1), (100, 10), (1000, 50)])
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def test_camera_readback(camera, amplitude, noise_multiplier):
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"""Test the readback method of SimMonitor."""
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for model_name in camera.sim.sim_get_models():
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camera.sim.sim_select_model(model_name)
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camera.sim.sim_params = {"noise_multiplier": noise_multiplier}
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camera.sim.sim_params = {"amplitude": amplitude}
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camera.sim.sim_params = {"noise": "poisson"}
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assert camera.image.get().shape == camera.SHAPE
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assert isinstance(camera.image.get()[0, 0], camera.BIT_DEPTH)
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camera.sim.sim_params = {"noise": "uniform"}
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camera.sim.sim_params = {"hot_pixel_coords": []}
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camera.sim.sim_params = {"hot_pixel_values": []}
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camera.sim.sim_params = {"hot_pixel_types": []}
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assert camera.image.get().shape == camera.SHAPE
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assert isinstance(camera.image.get()[0, 0], camera.BIT_DEPTH)
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assert (camera.image.get() <= (amplitude + noise_multiplier + 1)).all()
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def test_positioner_move(positioner):
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"""Test the move method of SimPositioner."""
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positioner.move(0).wait()
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assert np.isclose(positioner.read()[positioner.name]["value"], 0, atol=positioner.tolerance)
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positioner.move(10).wait()
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assert np.isclose(positioner.read()[positioner.name]["value"], 10, atol=positioner.tolerance)
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@pytest.mark.parametrize("proxy_active", [True, False])
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def test_sim_camera_proxies(camera, proxy_active):
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"""Test mocking compute_method with framework class"""
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camera.device_manager.add_device("test_proxy")
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if proxy_active:
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camera._registered_proxies["test_proxy"] = camera.image.name
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else:
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camera._registered_proxies = {}
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proxy = camera.device_manager.devices["test_proxy"]
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mock_method = mock.MagicMock()
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mock_obj = proxy.obj
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mock_obj.lookup = mock.MagicMock()
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mock_obj.lookup.return_value = {camera.name: {"method": mock_method, "args": 1, "kwargs": 1}}
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camera.image.read()
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if proxy_active:
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assert len(mock_obj.lookup.mock_calls) > 0
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elif not proxy_active:
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assert len(mock_obj.lookup.mock_calls) == 0
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def test_BECDeviceBase():
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# Test the BECDeviceBase class
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bec_device_base = BECDeviceBase(name="test")
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assert isinstance(bec_device_base, BECDevice)
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assert bec_device_base.connected is True
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signal = Signal(name="signal")
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assert isinstance(signal, BECDevice)
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device = Device(name="device")
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assert isinstance(device, BECDevice)
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def test_h5proxy(h5proxy_fixture):
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"""Test h5 camera proxy read from h5 file"""
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h5proxy, camera = h5proxy_fixture
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mock_proxy = mock.MagicMock()
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camera.device_manager.devices.update({h5proxy.name: mock_proxy})
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mock_proxy.enabled = True
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mock_proxy.obj = h5proxy
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fname = os.path.expanduser("tests/test_data/h5_test_file.h5")
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h5entry = "entry/data/data"
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with h5py.File(fname, "r") as f:
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data = f[h5entry][...]
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# pylint: disable=protected-access
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h5proxy._update_device_config(
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{camera.name: {"signal_name": "image", "file_source": fname, "h5_entry": h5entry}}
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)
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camera._registered_proxies.update({h5proxy.name: camera.image.name})
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camera.sim.sim_params = {"noise": "none", "noise_multiplier": 0}
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camera.scaninfo.sim_mode = True
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camera.stage()
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img = camera.image.get()
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assert (img == data[0, ...]).all()
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camera.unstage()
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def test_slitproxy(slitproxy_fixture):
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"""Test slit proxy to compute readback from readback of positioner samx"""
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proxy, camera, samx = slitproxy_fixture
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px_size = 0.5
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slitwidth = 2
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proxy._update_device_config(
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{
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camera.name: {
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"signal_name": "image",
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"center_offset": [0, 0],
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"covariance": [[1000, 500], [200, 1000]],
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"pixel_size": px_size,
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"ref_motors": [samx.name],
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"slit_width": [slitwidth],
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"motor_dir": [0],
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}
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}
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)
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camera._registered_proxies.update({proxy.name: camera.image.name})
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mock_proxy = mock.MagicMock()
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mock_samx = mock.MagicMock()
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mock_camera = mock.MagicMock()
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camera.device_manager.devices.update(
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{proxy.name: mock_proxy, samx.name: mock_samx, camera.name: mock_camera}
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)
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mock_proxy.enabled = True
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mock_samx.enabled = True
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mock_camera.enabled = True
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mock_camera.obj = camera
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mock_samx.obj = samx
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mock_proxy.obj = proxy
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camera.sim.sim_params = {"noise": "none", "noise_multiplier": 0, "hot_pixel_values": [0, 0, 0]}
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samx.delay = 0
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samx_pos = 0
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samx.move(samx_pos)
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proxy._gaussian_blur_sigma = 0
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img = camera.image.get()
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edges = (
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int(img.shape[0] // 2 - samx_pos / px_size - slitwidth / (2 * px_size)),
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int(img.shape[0] // 2 + samx_pos / px_size + slitwidth / (2 * px_size)),
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)
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assert (img[:, : edges[0]] == 0).all()
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assert (img[:, edges[1] :] == 0).all()
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samx_pos = 13.3
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samx.move(samx_pos)
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img = camera.image.get()
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edges = (
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int(img.shape[0] // 2 + samx_pos / px_size - slitwidth / (2 * px_size)),
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int(img.shape[0] // 2 + samx_pos / px_size + slitwidth / (2 * px_size)),
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)
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assert (img[:, : edges[0]] == 0).all()
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assert (img[:, edges[1] :] == 0).all()
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