45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
# ============================================================
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# 混合嵌入降级黄金测试
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# ============================================================
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from __future__ import annotations
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from server.knowledge.embedding import EmbeddingProvider, EmbeddingStore, _cosine
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from server.knowledge.retrieval import hybrid_search
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def test_embedding_provider_falls_back_to_none(monkeypatch):
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monkeypatch.setenv("EMBEDDING_PROVIDER", "off")
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monkeypatch.delenv("EMBEDDING_API_KEY", raising=False)
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monkeypatch.delenv("LLM_API_KEY", raising=False)
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p = EmbeddingProvider()
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assert p.backend == "none"
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assert p.enabled is False
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assert p.embed(["hello"]) is None
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def test_cosine_and_store_search(tmp_path):
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store = EmbeddingStore(path=str(tmp_path / "emb.json"))
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store.upsert_many({
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"a:1": [1.0, 0.0, 0.0],
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"b:1": [0.0, 1.0, 0.0],
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"c:1": [0.9, 0.1, 0.0],
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})
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hits = store.search([1.0, 0.0, 0.0], top_k=2)
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assert hits[0][0] == "a:1"
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assert hits[0][1] == 1.0
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assert _cosine([1, 0], [0, 1]) == 0.0
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def test_hybrid_search_works_without_vectors():
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units = [{
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"assetId": "x1", "title": "换线标准SOP", "kind": "sop", "version": "v1",
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"tags": ["换线"], "content": "产线换型必须遵守夜班不换线规定。",
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"chunkId": "c1", "heading": None, "page": None,
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}]
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hits = hybrid_search(units, "换线夜班", top_k=3)
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assert hits
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assert hits[0]["assetId"] == "x1"
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assert hits[0]["version"] == "v1"
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miss = hybrid_search(units, "quantum blockchain xyzzy", top_k=3)
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assert miss == []
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