DMSC Integration Testing

Test: nexusfiles-scipp|bifrost|can_compute_tof|monitor_frame_1

2026-02-03 00:18:05: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00017186.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-02-02 00:16:57: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00017046.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-02-01 00:18:10: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00016899.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-31 00:17:18: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00016759.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-30 00:17:11: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00016626.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-29 00:17:33: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00016479.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-28 00:17:16: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00016339.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-27 00:17:30: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00016199.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-26 00:16:43: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00016059.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-25 00:18:29: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00015919.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-24 00:16:23: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00015779.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-23 00:17:36: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00015646.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-22 00:17:08: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00015506.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-21 00:16:15: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00014867.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:81: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:115: IndexError

2026-01-20 20:45:02: failed

2026-01-20 13:56:37: failed

2026-01-20 00:16:07: failed

2026-01-19 21:58:13: failed

2026-01-19 12:25:07: failed

2026-01-19 12:22:38: failed

2026-01-19 00:16:21: failed

2026-01-18 01:43:40: failed

2026-01-17 00:16:14: failed

2026-01-16 11:57:01: failed

2026-01-16 11:30:35: failed

2026-01-16 10:36:54: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00014867.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:378: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:80: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:114: IndexError

2026-01-08 11:10:56: failed

workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_bifrost_999999_00013755.hdf')
monitor_type = ess.reduce.nexus.types.FrameMonitor1

@pytest.mark.parametrize(
"monitor_type",
[FrameMonitor1, FrameMonitor2, FrameMonitor3],
ids=["frame_1", "frame_2", "frame_3"],
)
def test_can_compute_tof__monitor_(
workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[TimeOfFlightLookupTableFilename] = tof_lookup_table_simulation()
> result = workflow.compute(TofMonitor[SampleRun, monitor_type])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/bifrost/bifrost_reduction_test.py:48:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
return self.get(tp, **kwargs).compute(reporter=reporter)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/scheduler.py:64: in get
results[t] = reporter.call_provider_with_reporting(graph[t], results)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/reporter.py:398: in call_provider_with_reporting
return provider.call(values)
^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/sciline/_provider.py:144: in call
return self._func(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:265: in load_nexus_data
nexus.load_data(
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:506: in load_data
return data[sel]
^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/base.py:378: in __getitem__
dg = self._nexus.read_children(sel)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:80: in read_children
last_loaded, event_index = self._get_event_index(children, index)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self =
children = {'frame_time': , 'signal': , 'time': }
index = slice(None, None, None)

def _get_event_index(self, children: sc.DataGroup, index):
> max_index = self.shape[0]
^^^^^^^^^^^^^
E IndexError: tuple index out of range

.tox/nexusfiles-scipp-bifrost/lib/python3.12/site-packages/scippnexus/nxevent_data.py:114: IndexError