DMSC Integration Testing

Last updated: March 23, 2026 07:06:10

Test: nexusfiles-scipp|loki|loki_read_detector_data|loki_detector_4

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workflow =
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_loki_999999_00019372.hdf')
detector_name = 'loki_detector_4'
check_detector_events =

@pytest.mark.parametrize("detector_name", [f"loki_detector_{i}" for i in range(9)])
def test_loki_read_detector_data(
workflow: sciline.Pipeline,
coda_nexus_file_path: Path,
detector_name: str,
check_detector_events: Callable,
) -> None:
workflow[Filename[SampleRun]] = coda_nexus_file_path
workflow[NeXusDetectorName] = detector_name

result = workflow.compute(NeXusData[NXdetector, SampleRun])

> check_detector_events(result)

tests/nexusfiles-scipp/loki/loki_load_nexus_test.py:65:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

da =
Dimensions: Sizes[event_time_zero:4570, ]
Coordinates:
* event_time_zero datetime64 ...event: 11139912),
data=float32[counts],
coords={'event_time_offset':int32[ns], 'event_id':int32})



def _check_detector_events(da: sc.DataArray) -> None:
assert "event_time_offset" in da.bins.coords
assert "event_id" in da.bins.coords
assert "event_time_zero" in da.coords
> assert da.bins.size().sum() > 0
^^^^^^^^^^^^^^^^^^^^^^^^
E scipp._scipp.core.UnitError: Expected unit None, got dimensionless.

.tox/nexusfiles-scipp-loki/lib/python3.12/site-packages/dmsc_nightly/testing/nexusfiles/validation_fixtures.py:25: UnitError