Files
worldquant-alpha-system/backend/tests/ai_fake.py
T

55 lines
2.2 KiB
Python

"""Deterministic model for isolated acceptance; never calls a provider or platform."""
import asyncio
import json
from contextlib import asynccontextmanager
from uuid import uuid4
from pydantic_ai.messages import ToolReturnPart, UserPromptPart
from pydantic_ai.models.function import DeltaToolCall, FunctionModel
async def fake_stream(messages, info):
latest = max(
(i for i, m in enumerate(messages) if any(isinstance(p, UserPromptPart) for p in m.parts)), default=0
)
text = " ".join(
str(p.content) for m in messages[latest:] for p in m.parts if isinstance(p, UserPromptPart)
)
returns = [p for m in messages[latest:] for p in m.parts if isinstance(p, ToolReturnPart)]
if returns and "LOOP" not in text:
if returns[-1].tool_name == "capability_probe":
yield str(returns[-1].content)
else:
yield "操作结果已返回。"
yield "请查看下方业务记录与数据来源。"
return
if any(t.name == "capability_probe" for t in info.function_tools):
name, args = "capability_probe", {}
elif "READY" in text:
yield "REA"
yield "DY"
return
elif "SLOW" in text:
yield "正在查询"
await asyncio.sleep(2)
yield ",查询完成。"
return
elif "批量" in text:
name, args = "bulk_update_research", {"alpha_ids": ["a0000", "a0001"], "add_tags": ["AI"]}
elif "修改" in text or "update" in text:
alpha_id = "TEST0001" if "TEST0001" in text else "a0000"
name, args = "update_research", {"alpha_id": alpha_id, "changes": {"note": "AI 测试研究记录"}}
elif "同步" in text:
name, args = "create_sync_job", {"kind": "full_sync"}
elif "PnL" in text:
name, args = "get_alpha_pnl", {"alpha_id": "TEST0001" if "TEST" in text else "a0000"}
else:
name, args = "search_alphas", {"filters": {"turnover_max": 0.15, "limit": 5}}
yield {0: DeltaToolCall(name=name, json_args=json.dumps(args), tool_call_id=uuid4().hex)}
@asynccontextmanager
async def fake_model(config, settings):
yield FunctionModel(stream_function=fake_stream, model_name="test-model")