103 lines
2.9 KiB
Python
103 lines
2.9 KiB
Python
from __future__ import annotations
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import unittest
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from fastapi_modules.fastapi_leaudit.rag_engine.retriever import RagRetriever
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class FakeCollection:
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def query(self, **kwargs):
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return {
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"ids": [["seg-1", "seg-2"]],
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"documents": [["烟草处罚裁量标准内容", "其他来源内容"]],
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"metadatas": [[
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{
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"document_name": "广东省烟草专卖行政处罚裁量执行标准-rag.md",
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"chunk_index": 0,
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},
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{
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"document_name": "其他.md",
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"chunk_index": 1,
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},
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]],
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"distances": [[0.0, 0.2]],
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}
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class FallbackCollection:
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def query(self, **kwargs):
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raise RuntimeError("vector unavailable")
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def get(self, **kwargs):
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return {
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"ids": ["seg-fallback"],
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"documents": ["未在当地烟草专卖批发企业进货，对应裁量档次内容"],
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"metadatas": [
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{
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"document_name": "案由_行政处罚与反走私管理治理办法.md",
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"chunk_index": 3,
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}
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],
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}
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class FakeChroma:
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def __init__(self):
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self.collection_name = None
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def get_or_create_collection(self, name):
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self.collection_name = name
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return FakeCollection()
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class FallbackChroma:
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def get_or_create_collection(self, name):
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return FallbackCollection()
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class RagRetrieverTest(unittest.IsolatedAsyncioTestCase):
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async def test_retrieve_from_collection_filters_sources_and_builds_resources(self):
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chroma = FakeChroma()
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retriever = RagRetriever(
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chroma_client=chroma,
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embed_texts=lambda texts, model_name="": [[0.1, 0.2] for _ in texts],
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hydrate_documents=False,
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)
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result = await retriever.retrieve(
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query="罚款幅度",
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collection_name="general_legal_kb",
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top_k=5,
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source_names=["广东省烟草专卖行政处罚裁量执行标准-rag.md"],
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)
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self.assertEqual(chroma.collection_name, "general_legal_kb")
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self.assertIn("烟草处罚裁量标准内容", result.rag_context)
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self.assertNotIn("其他来源内容", result.rag_context)
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self.assertEqual(len(result.rag_resources), 1)
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self.assertEqual(
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result.rag_resources[0]["document_name"],
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"广东省烟草专卖行政处罚裁量执行标准-rag.md",
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)
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async def test_retrieve_uses_keyword_fallback_when_vector_search_fails(self):
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retriever = RagRetriever(
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chroma_client=FallbackChroma(),
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embed_texts=lambda texts, model_name="": [[0.1, 0.2] for _ in texts],
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hydrate_documents=False,
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)
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result = await retriever.retrieve(
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query="未在当地烟草专卖批发企业进货",
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collection_name="general_legal_kb",
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source_names=["案由_行政处罚与反走私管理治理办法.md"],
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)
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self.assertIn("对应裁量档次内容", result.rag_context)
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self.assertEqual(len(result.chunks), 1)
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self.assertEqual(result.rag_resources[0]["segment_id"], "seg-fallback")
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if __name__ == "__main__":
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unittest.main()
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