test: add first tests for pilatus
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474
tests/test_pilatus_csaxs.py
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474
tests/test_pilatus_csaxs.py
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import pytest
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from unittest import mock
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from ophyd.signal import Signal
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from ophyd import Staged
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from bec_lib.core import BECMessage, MessageEndpoints
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from bec_lib.core.devicemanager import DeviceContainer
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from bec_lib.core.tests.utils import ProducerMock
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class MockSignal(Signal):
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def __init__(self, read_pv, *, string=False, name=None, parent=None, **kwargs):
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self.read_pv = read_pv
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self._string = bool(string)
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super().__init__(name=name, parent=parent, **kwargs)
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self._waited_for_connection = False
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self._subscriptions = []
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def wait_for_connection(self):
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self._waited_for_connection = True
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def subscribe(self, method, event_type, **kw):
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self._subscriptions.append((method, event_type, kw))
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def describe_configuration(self):
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return {self.name + "_conf": {"source": "SIM:test"}}
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def read_configuration(self):
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return {self.name + "_conf": {"value": 0}}
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with mock.patch("ophyd.EpicsSignal", new=MockSignal), mock.patch(
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"ophyd.EpicsSignalRO", new=MockSignal
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), mock.patch("ophyd.EpicsSignalWithRBV", new=MockSignal):
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from ophyd_devices.epics.devices.pilatus_csaxs import PilatuscSAXS
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# TODO maybe specify here that this DeviceMock is for usage in the DeviceServer
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class DeviceMock:
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def __init__(self, name: str, value: float = 0.0):
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self.name = name
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self.read_buffer = value
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self._config = {"deviceConfig": {"limits": [-50, 50]}, "userParameter": None}
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self._enabled_set = True
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self._enabled = True
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def read(self):
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return {self.name: {"value": self.read_buffer}}
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def readback(self):
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return self.read_buffer
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@property
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def enabled_set(self) -> bool:
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return self._enabled_set
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@enabled_set.setter
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def enabled_set(self, val: bool):
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self._enabled_set = val
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@property
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def enabled(self) -> bool:
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return self._enabled
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@enabled.setter
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def enabled(self, val: bool):
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self._enabled = val
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@property
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def user_parameter(self):
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return self._config["userParameter"]
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@property
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def obj(self):
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return self
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class DMMock:
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"""Mock for DeviceManager
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The mocked DeviceManager creates a device containert and a producer.
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"""
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def __init__(self):
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self.devices = DeviceContainer()
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self.producer = ProducerMock()
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def add_device(self, name: str, value: float = 0.0):
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self.devices[name] = DeviceMock(name, value)
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@pytest.fixture(scope="function")
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def mock_det():
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name = "pilatus"
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prefix = "X12SA-ES-PILATUS300K:"
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sim_mode = False
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dm = DMMock()
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# dm.add_device("mokev", value=12.4)
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with mock.patch.object(dm, "producer"):
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with mock.patch.object(
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PilatuscSAXS, "_update_service_config"
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) as mock_update_service_config, mock.patch(
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"ophyd_devices.epics.devices.pilatus_csaxs.FileWriterMixin"
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) as filemixin:
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with mock.patch.object(PilatuscSAXS, "_init"):
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yield PilatuscSAXS(name=name, prefix=prefix, device_manager=dm, sim_mode=sim_mode)
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@pytest.mark.parametrize(
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"trigger_source, sim_mode, scan_status_msg, expected_exception",
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[
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(
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1,
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True,
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BECMessage.ScanStatusMessage(
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scanID="1",
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status={},
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info={
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"RID": "mockrid1111",
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"queueID": "mockqueueID111",
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"scan_number": 1,
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"exp_time": 0.012,
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"num_points": 500,
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"readout_time": 0.003,
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"scan_type": "fly",
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"num_lines": 0.012,
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"frames_per_trigger": 1,
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},
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),
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True,
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),
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(
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1,
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False,
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BECMessage.ScanStatusMessage(
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scanID="1",
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status={},
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info={
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"RID": "mockrid1111",
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"queueID": "mockqueueID111",
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"scan_number": 1,
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"exp_time": 0.012,
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"num_points": 500,
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"readout_time": 0.003,
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"scan_type": "fly",
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"num_lines": 0.012,
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"frames_per_trigger": 1,
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},
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),
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False,
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),
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],
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)
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# TODO rewrite this one, write test for init_detector, init_filewriter is tested
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def test_init(
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trigger_source,
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sim_mode,
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scan_status_msg,
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expected_exception,
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):
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"""Test the _init function:
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This includes testing the functions:
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- _set_default_parameter
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- _init_detector
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- _stop_det
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- _set_trigger
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--> Testing the filewriter is done in test_init_filewriter
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Validation upon setting the correct PVs
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"""
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name = "pilatus"
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prefix = "X12SA-ES-PILATUS300K:"
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sim_mode = sim_mode
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dm = DMMock()
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with mock.patch.object(dm, "producer") as producer, mock.patch.object(
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PilatuscSAXS, "_init_filewriter"
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) as mock_init_fw, mock.patch.object(
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PilatuscSAXS, "_update_scaninfo"
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) as mock_update_scaninfo, mock.patch.object(
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PilatuscSAXS, "_update_filewriter"
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) as mock_update_filewriter, mock.patch.object(
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PilatuscSAXS, "_update_service_config"
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) as mock_update_service_config:
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mock_det = PilatuscSAXS(name=name, prefix=prefix, device_manager=dm, sim_mode=sim_mode)
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if expected_exception:
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with pytest.raises(Exception):
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mock_det._init()
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mock_init_fw.assert_called_once()
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else:
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mock_det._init() # call the method you want to test
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assert mock_det.cam.acquire.get() == 0
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assert mock_det.cam.trigger_mode.get() == trigger_source
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mock_init_fw.assert_called()
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mock_update_scaninfo.assert_called_once()
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mock_update_filewriter.assert_called_once()
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mock_update_service_config.assert_called_once()
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assert mock_init_fw.call_count == 2
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@pytest.mark.parametrize(
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"scaninfo, stopped, expected_exception",
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[
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(
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{
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"eacc": "e12345",
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"num_points": 500,
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"frames_per_trigger": 1,
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"filepath": "test.h5",
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"scanID": "123",
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"mokev": 12.4,
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},
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False,
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False,
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),
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(
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{
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"eacc": "e12345",
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"num_points": 500,
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"frames_per_trigger": 1,
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"filepath": "test.h5",
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"scanID": "123",
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"mokev": 12.4,
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},
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True,
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False,
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),
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],
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)
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def test_stage(
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mock_det,
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scaninfo,
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stopped,
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expected_exception,
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):
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with mock.patch.object(PilatuscSAXS, "_publish_file_location") as mock_publish_file_location:
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mock_det.scaninfo.num_points = scaninfo["num_points"]
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mock_det.scaninfo.frames_per_trigger = scaninfo["frames_per_trigger"]
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mock_det.filewriter.compile_full_filename.return_value = scaninfo["filepath"]
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# TODO consider putting energy as variable in scaninfo
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mock_det.device_manager.add_device("mokev", value=12.4)
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mock_det._stopped = stopped
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with mock.patch.object(mock_det, "_prep_file_writer") as mock_prep_fw:
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mock_det.filepath = scaninfo["filepath"]
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if expected_exception:
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with pytest.raises(Exception):
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mock_det.stage()
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else:
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mock_det.stage()
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mock_prep_fw.assert_called_once()
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# Check _prep_det
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assert mock_det.cam.num_images.get() == int(
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scaninfo["num_points"] * scaninfo["frames_per_trigger"]
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)
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assert mock_det.cam.num_frames.get() == 1
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mock_publish_file_location.assert_called_with(done=False)
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def test_pre_scan(mock_det):
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mock_det.pre_scan()
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assert mock_det.cam.acquire.get() == 1
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@pytest.mark.parametrize(
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"scaninfo",
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[
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({"filepath": "test.h5", "successful": True, "done": False, "scanID": "123"}),
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({"filepath": "test.h5", "successful": False, "done": True, "scanID": "123"}),
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({"filepath": "test.h5", "successful": None, "done": True, "scanID": "123"}),
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],
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)
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def test_publish_file_location(mock_det, scaninfo):
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mock_det.scaninfo.scanID = scaninfo["scanID"]
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mock_det.filepath = scaninfo["filepath"]
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mock_det._publish_file_location(done=scaninfo["done"], successful=scaninfo["successful"])
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if scaninfo["successful"] is None:
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msg = BECMessage.FileMessage(file_path=scaninfo["filepath"], done=scaninfo["done"]).dumps()
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else:
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msg = BECMessage.FileMessage(
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file_path=scaninfo["filepath"], done=scaninfo["done"], successful=scaninfo["successful"]
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).dumps()
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expected_calls = [
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mock.call(
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MessageEndpoints.public_file(scaninfo["scanID"], mock_det.name),
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msg,
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pipe=mock_det._producer.pipeline.return_value,
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),
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mock.call(
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MessageEndpoints.file_event(mock_det.name),
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msg,
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pipe=mock_det._producer.pipeline.return_value,
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),
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]
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assert mock_det._producer.set_and_publish.call_args_list == expected_calls
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# @pytest.mark.parametrize(
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# "scaninfo, daq_status, expected_exception",
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# [
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# (
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# {
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# "eacc": "e12345",
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# "num_points": 500,
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# "frames_per_trigger": 1,
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# "filepath": "test.h5",
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# "scanID": "123",
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# },
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# {"state": "BUSY", "acquisition": {"state": "WAITING_IMAGES"}},
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# False,
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# ),
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# (
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# {
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# "eacc": "e12345",
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# "num_points": 500,
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# "frames_per_trigger": 1,
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# "filepath": "test.h5",
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# "scanID": "123",
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# },
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# {"state": "BUSY", "acquisition": {"state": "WAITING_IMAGES"}},
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# False,
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# ),
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# (
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# {
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# "eacc": "e12345",
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# "num_points": 500,
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# "frames_per_trigger": 1,
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# "filepath": "test.h5",
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# "scanID": "123",
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# },
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# {"state": "BUSY", "acquisition": {"state": "ERROR"}},
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# True,
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# ),
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# ],
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# )
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# def test_prep_file_writer(mock_det, scaninfo, daq_status, expected_exception):
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# with mock.patch.object(mock_det, "std_client") as mock_std_daq, mock.patch.object(
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# mock_det, "_filepath_exists"
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# ) as mock_file_path_exists, mock.patch.object(
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# mock_det, "_stop_file_writer"
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# ) as mock_stop_file_writer, mock.patch.object(
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# mock_det, "scaninfo"
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# ) as mock_scaninfo:
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# # mock_det = eiger_factory(name, prefix, sim_mode)
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# mock_det.std_client = mock_std_daq
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# mock_std_daq.start_writer_async.return_value = None
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# mock_std_daq.get_status.return_value = daq_status
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# mock_det.filewriter.compile_full_filename.return_value = scaninfo["filepath"]
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# mock_det.scaninfo.num_points = scaninfo["num_points"]
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# mock_det.scaninfo.frames_per_trigger = scaninfo["frames_per_trigger"]
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# if expected_exception:
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# with pytest.raises(Exception):
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# mock_det._prep_file_writer()
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# mock_file_path_exists.assert_called_once()
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# assert mock_stop_file_writer.call_count == 2
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# else:
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# mock_det._prep_file_writer()
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# mock_file_path_exists.assert_called_once()
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# mock_stop_file_writer.assert_called_once()
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# daq_writer_call = {
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# "output_file": scaninfo["filepath"],
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# "n_images": int(scaninfo["num_points"] * scaninfo["frames_per_trigger"]),
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# }
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# mock_std_daq.start_writer_async.assert_called_with(daq_writer_call)
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@pytest.mark.parametrize(
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"stopped, expected_exception",
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[
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(
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False,
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False,
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),
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(
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True,
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True,
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),
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],
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)
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def test_unstage(
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mock_det,
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stopped,
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expected_exception,
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):
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with mock.patch.object(mock_det, "_finished") as mock_finished, mock.patch.object(
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mock_det, "_publish_file_location"
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) as mock_publish_file_location, mock.patch.object(
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mock_det, "_start_h5converter"
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) as mock_start_h5converter:
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mock_det._stopped = stopped
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if expected_exception:
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mock_det.unstage()
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assert mock_det._stopped == True
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else:
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mock_det.unstage()
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mock_finished.assert_called_once()
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mock_publish_file_location.assert_called_with(done=True, successful=True)
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mock_start_h5converter.assert_called_once()
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assert mock_det._stopped == False
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# def test_stop_fw(mock_det):
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# with mock.patch.object(mock_det, "std_client") as mock_std_daq:
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# mock_std_daq.stop_writer.return_value = None
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# mock_det.std_client = mock_std_daq
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# mock_det._stop_file_writer()
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# mock_std_daq.stop_writer.assert_called_once()
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def test_stop(mock_det):
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with mock.patch.object(mock_det, "_stop_det") as mock_stop_det, mock.patch.object(
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mock_det, "_stop_file_writer"
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) as mock_stop_file_writer, mock.patch.object(
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mock_det, "_close_file_writer"
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) as mock_close_file_writer:
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mock_det.stop()
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mock_stop_det.assert_called_once()
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mock_stop_file_writer.assert_called_once()
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mock_close_file_writer.assert_called_once()
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assert mock_det._stopped == True
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@pytest.mark.parametrize(
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"stopped, mcs_stage_state, expected_exception",
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[
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(
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False,
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Staged.no,
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False,
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),
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(
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True,
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Staged.no,
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False,
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),
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(
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False,
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Staged.yes,
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True,
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),
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],
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)
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def test_finished(mock_det, stopped, mcs_stage_state, expected_exception):
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with mock.patch.object(mock_det, "device_manager") as mock_dm, mock.patch.object(
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mock_det, "_stop_file_writer"
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) as mock_stop_file_friter, mock.patch.object(
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mock_det, "_stop_det"
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) as mock_stop_det, mock.patch.object(
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mock_det, "_close_file_writer"
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) as mock_close_file_writer:
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mock_dm.devices.mcs.obj._staged = mcs_stage_state
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mock_det._stopped = stopped
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if expected_exception:
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with pytest.raises(Exception):
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mock_det._finished()
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assert mock_det._stopped == stopped
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mock_stop_file_friter.assert_called()
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mock_stop_det.assert_called_once()
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mock_close_file_writer.assert_called_once()
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else:
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mock_det._finished()
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if stopped:
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assert mock_det._stopped == stopped
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mock_stop_file_friter.assert_called()
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mock_stop_det.assert_called_once()
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mock_close_file_writer.assert_called_once()
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