test: add V4 compat layer coverage for camera labels, radar, get_sequence_meta#96
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…nd get_sequence_meta Cover the three untested compat APIs in SequenceLoaderV4: - camera_labels_ids, get_camera_labels, query_camera_labels (full integration) - get_radar_sensor ray-bundle API exercise - get_sequence_meta basic verification Also adds -> None type annotations to all test methods so mypy checks them, and fixes pre-existing type issues (np.random.seed/rand -> default_rng, Runfiles.Rlocation nullability, sensor list type annotation).
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Summary
SequenceLoaderV4:camera_labels_ids,get_camera_labels,query_camera_labels, and theCameraLabelswrapper class) — full write-then-read integration test parameterized over itar/directory store typesget_radar_sensor) — exercises basic properties and ray-bundle API (count, timestamps, valid mask, distances, directions)get_sequence_meta()— verifies it returns a non-empty dict without raisingDetails
The
TestCameraLabelsCompatIntegrationclass writes 3 label instances (depth@front, segmentation@front, depth@rear) using the component writers, loads throughSequenceLoaderV4, and verifies all protocol methods including query filtering bycamera_id,label_type, andlabel_category.All 28 test targets pass on both Python 3.8 and 3.11.