148 lines
4.8 KiB
Python
148 lines
4.8 KiB
Python
# pylint: skip-file
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import time
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from unittest import mock
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import pytest
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from ophyd import DeviceStatus, Staged
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from ophyd.utils.errors import RedundantStaging
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from ophyd_devices.interfaces.base_classes.psi_detector_base import (
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CustomDetectorMixin,
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PSIDetectorBase,
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)
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from ophyd_devices.utils.bec_scaninfo_mixin import BecScaninfoMixin
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@pytest.fixture
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def detector_base():
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yield PSIDetectorBase(name="test_detector")
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def test_detector_base_init(detector_base):
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assert detector_base.stopped is False
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assert detector_base.name == "test_detector"
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assert "base_path" in detector_base.filewriter.service_config
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assert isinstance(detector_base.scaninfo, BecScaninfoMixin)
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assert issubclass(detector_base.custom_prepare_cls, CustomDetectorMixin)
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def test_stage(detector_base):
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detector_base._staged = Staged.yes
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with pytest.raises(RedundantStaging):
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detector_base.stage()
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assert detector_base.stopped is False
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detector_base._staged = Staged.no
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with (
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mock.patch.object(detector_base.custom_prepare, "on_stage") as mock_on_stage,
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mock.patch.object(detector_base.scaninfo, "load_scan_metadata") as mock_load_metadata,
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):
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rtr = detector_base.stage()
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assert isinstance(rtr, list)
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mock_on_stage.assert_called_once()
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mock_load_metadata.assert_called_once()
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assert detector_base.stopped is False
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def test_pre_scan(detector_base):
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with mock.patch.object(detector_base.custom_prepare, "on_pre_scan") as mock_on_pre_scan:
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detector_base.pre_scan()
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mock_on_pre_scan.assert_called_once()
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def test_trigger(detector_base):
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status = DeviceStatus(detector_base)
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with mock.patch.object(
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detector_base.custom_prepare, "on_trigger", side_effect=[None, status]
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) as mock_on_trigger:
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st = detector_base.trigger()
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assert isinstance(st, DeviceStatus)
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time.sleep(0.1)
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assert st.done is True
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st = detector_base.trigger()
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assert st.done is False
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assert id(st) == id(status)
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def test_unstage(detector_base):
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detector_base.stopped = True
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with (
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mock.patch.object(detector_base.custom_prepare, "on_unstage") as mock_on_unstage,
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mock.patch.object(detector_base, "check_scan_id") as mock_check_scan_id,
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):
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rtr = detector_base.unstage()
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assert isinstance(rtr, list)
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assert mock_check_scan_id.call_count == 1
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mock_on_unstage.assert_not_called()
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detector_base.stopped = False
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rtr = detector_base.unstage()
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assert isinstance(rtr, list)
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assert mock_check_scan_id.call_count == 2
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assert detector_base.stopped is False
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mock_on_unstage.assert_called_once()
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def test_complete(detector_base):
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status = DeviceStatus(detector_base)
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with mock.patch.object(
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detector_base.custom_prepare, "on_complete", side_effect=[None, status]
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) as mock_on_complete:
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st = detector_base.complete()
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assert isinstance(st, DeviceStatus)
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time.sleep(0.1)
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assert st.done is True
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st = detector_base.complete()
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assert st.done is False
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assert id(st) == id(status)
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def test_stop(detector_base):
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with mock.patch.object(detector_base.custom_prepare, "on_stop") as mock_on_stop:
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detector_base.stop()
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mock_on_stop.assert_called_once()
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assert detector_base.stopped is True
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def test_check_scan_id(detector_base):
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detector_base.scaninfo.scan_id = "abcde"
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detector_base.stopped = False
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detector_base.check_scan_id()
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assert detector_base.stopped is True
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detector_base.stopped = False
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detector_base.check_scan_id()
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assert detector_base.stopped is False
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def test_wait_for_signal(detector_base):
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expected_value = "test"
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exception = TimeoutError("Timeout")
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status = detector_base.custom_prepare.wait_with_status(
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[(detector_base.filepath.get, expected_value)],
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check_stopped=True,
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timeout=5,
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interval=0.01,
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exception_on_timeout=exception,
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)
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time.sleep(0.1)
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assert status.done is False
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# Check first that it is stopped when detector_base.stop() is called
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detector_base.stop()
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# some delay to allow the stop to take effect
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time.sleep(0.15)
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assert status.done is True
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assert id(status.exception()) == id(exception)
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detector_base.stopped = False
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status = detector_base.custom_prepare.wait_with_status(
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[(detector_base.filepath.get, expected_value)],
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check_stopped=True,
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timeout=5,
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interval=0.01,
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exception_on_timeout=exception,
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)
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# Check that thread resolves when expected value is set
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detector_base.filepath.set(expected_value)
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# some delay to allow the stop to take effect
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time.sleep(0.15)
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assert status.done is True
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assert status.success is True
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assert status.exception() is None
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