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- from __future__ import annotations
- def test_node_mapper_preserves_canonical_identity_and_freshness_metadata():
- from app.core.knowledge.llamaindex.node_mapper import evidence_to_node
- from app.core.knowledge.retrieval.contracts import KnowledgeEvidence
- evidence = KnowledgeEvidence(
- chunk_id="chunk-1",
- content="客户同步用途",
- score=0.9,
- retriever="vector",
- object_uid="object-1",
- object_type="DataFlow",
- object_version=4,
- business_domain_uid="domain-a",
- point_keys=("DataFlow/object-1/purpose",),
- point_revisions=(2,),
- generation=3,
- source_updated_at="2026-07-23T00:00:00+00:00",
- )
- node = evidence_to_node(evidence)
- assert node.node_id == "chunk-1"
- assert node.metadata["object_version"] == 4
- assert node.metadata["point_revisions"] == [2]
- assert node.metadata["index_generation"] == 3
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