Files
hkuds--lightrag/tests/llm/test_llm_cache_identity.py
T
2026-07-13 12:08:54 +08:00

90 lines
2.2 KiB
Python

import pytest
from lightrag.base import QueryParam
from lightrag.operate import naive_query
class _FakeTokenizer:
def encode(self, content: str) -> list[int]:
return [ord(ch) for ch in content]
def decode(self, tokens: list[int]) -> str:
return "".join(chr(token) for token in tokens)
class _FakeKVStorage:
def __init__(self):
self.global_config = {"enable_llm_cache": True}
self._store = {}
async def get_by_id(self, key):
return self._store.get(key)
async def upsert(self, entries):
self._store.update(entries)
class _FakeChunksVDB:
cosine_better_than_threshold = 0.0
async def query(self, *_args, **_kwargs):
return [
{
"id": "chunk-1",
"content": "LightRAG cache identity test chunk.",
"file_path": "test.md",
}
]
def _query_global_config(model: str, llm_func) -> dict:
return {
"tokenizer": _FakeTokenizer(),
"role_llm_funcs": {"query": llm_func},
"llm_cache_identities": {
"query": {
"role": "query",
"binding": "openai",
"model": model,
"host": "https://api.example.com/v1",
}
},
"min_rerank_score": 0.0,
"max_total_tokens": 4096,
}
@pytest.mark.offline
@pytest.mark.asyncio
async def test_naive_query_partitions_query_cache_by_llm_identity():
cache = _FakeKVStorage()
chunks_vdb = _FakeChunksVDB()
calls = 0
async def query_model(*_args, **_kwargs):
nonlocal calls
calls += 1
return f"answer-{calls}"
param = QueryParam(mode="naive", enable_rerank=False)
first = await naive_query(
"same query",
chunks_vdb,
param,
_query_global_config("model-a", query_model),
hashing_kv=cache,
)
second = await naive_query(
"same query",
chunks_vdb,
param,
_query_global_config("model-b", query_model),
hashing_kv=cache,
)
assert first.content == "answer-1"
assert second.content == "answer-2"
assert calls == 2
assert len(cache._store) == 2