DMSC Integration Testing

Last updated: September 25, 2026 08:02:48

Test: nexusfiles-scipp|loki|loki_read_detector_data|loki_detector_3

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AssertionError: assert np.int64(0) > 0
 +  where np.int64(0) = <scipp.DataArray>\nDimensions: Sizes[]\nData:\n                              int64        <no unit>  ()  0\n\n.value
 +    where <scipp.DataArray>\nDimensions: Sizes[]\nData:\n                              int64        <no unit>  ()  0\n\n = sum()
 +      where sum = <scipp.DataArray>\nDimensions: Sizes[event_time_zero:0, ]\nCoordinates:\n* event_time_zero         datetime64             [ns]  (event_time_zero)  []\nData:\n                              int64        <no unit>  (event_time_zero)  []\n\n.sum
 +        where <scipp.DataArray>\nDimensions: Sizes[event_time_zero:0, ]\nCoordinates:\n* event_time_zero         datetime64             [ns]  (event_time_zero)  []\nData:\n                              int64        <no unit>  (event_time_zero)  []\n\n = size()
 +          where size = <scipp.core.bins.Bins object at 0x7fbd32698e60>.size
 +            where <scipp.core.bins.Bins object at 0x7fbd32698e60> = <scipp.DataArray>\nDimensions: Sizes[event_time_zero:0, ]\nCoordinates:\n* event_time_zero         datetime64             [ns]  (event_time_zero)  []\nData:\n                          DataArrayView        <no unit>  (event_time_zero)  binned data: dim='event', content=DataArray(\n          dims=(event: 0),\n          data=float32[counts],\n          coords={'event_time_offset':int32[ns], 'event_id':int32})\n\n.bins

.tox/nexusfiles-scipp-loki/lib/python3.12/site-packages/dmsc_nightly/testing/nexusfiles/validation_fixtures.py:25: AssertionError
Full output
workflow = <sciline.pipeline.Pipeline object at 0x7fbd325c8ec0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_loki_999999_00016844.hdf')
detector_name = 'loki_detector_3'
check_detector_events = <function _check_detector_events at 0x7fbd37609bc0>

    @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:73: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

da = <scipp.DataArray>
Dimensions: Sizes[event_time_zero:0, ]
Coordinates:
* event_time_zero         datetime64            ... dims=(event: 0),
          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().value > 0
E       AssertionError: assert np.int64(0) > 0
E        +  where np.int64(0) = <scipp.DataArray>\nDimensions: Sizes[]\nData:\n                              int64        <no unit>  ()  0\n\n.value
E        +    where <scipp.DataArray>\nDimensions: Sizes[]\nData:\n                              int64        <no unit>  ()  0\n\n = sum()
E        +      where sum = <scipp.DataArray>\nDimensions: Sizes[event_time_zero:0, ]\nCoordinates:\n* event_time_zero         datetime64             [ns]  (event_time_zero)  []\nData:\n                              int64        <no unit>  (event_time_zero)  []\n\n.sum
E        +        where <scipp.DataArray>\nDimensions: Sizes[event_time_zero:0, ]\nCoordinates:\n* event_time_zero         datetime64             [ns]  (event_time_zero)  []\nData:\n                              int64        <no unit>  (event_time_zero)  []\n\n = size()
E        +          where size = <scipp.core.bins.Bins object at 0x7fbd32698e60>.size
E        +            where <scipp.core.bins.Bins object at 0x7fbd32698e60> = <scipp.DataArray>\nDimensions: Sizes[event_time_zero:0, ]\nCoordinates:\n* event_time_zero         datetime64             [ns]  (event_time_zero)  []\nData:\n                          DataArrayView        <no unit>  (event_time_zero)  binned data: dim='event', content=DataArray(\n          dims=(event: 0),\n          data=float32[counts],\n          coords={'event_time_offset':int32[ns], 'event_id':int32})\n\n.bins

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

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