Files
AgentLab/backend/tests/test_tool_evidence.py
T
ThearchyHelios 941723b17c 端到端验收修复与指标出具:
- 身份与工具:登录页建第一个管理员(认人接口的 401 说明能不能建);搭建者有只读的人和组名录,选人给候选并核对名字;授权三行带标题;端点请求头名校验(空名、非法名存不进、发不出时说清原因);写入能力在工具页试运行一律演练、不发送,HTTP 状态照实说成败;写记忆不算只读、查询能力只能选同一端点上的只读能力;审批与遮罩的说法和实际规则一致;开登录时不要署名、导入和发布记登录的人;使用者不显示推演等只给搭建者的操作,403 按是否开登录说话;登录页只认一次人
- 流程与实例:图里用到的岗位(派给谁、超时升级给谁、发送确认派给谁)全部派生、没绑人的发布时报错;写外部系统的参数按能力声明的类型收拢后再算哈希和发送,收不成就不发;发起人的实例页只看这一步的状态,处理人才给待办卡;会签进度带登录核实和时间,升级后照实写规则;实例状态写流程的结论(已退回、未确认、等待核实写入结果),核实生效后不再挂失败原因;流程应用首页不派生最近封存运行的结果块,看板没数据时是安静的空态;样例⑩的金额带类型和下限、待办标题带金额,表单上下限前后端一起生效
- 看板与证据:定时任务模板加 ISO 周、上一 ISO 周、本月、上月;出处链穿过原样解析查询结果的整形节点,追不到原始数据的照实说停在哪里,样例⑨改用 cell();应用首页和版本历史都能做成应用;指标块单位不重复;版本列表带退役说明;定时任务页头跟着刷新;删视图要确认、新视图能起名;编辑器属性用中文名、术语带解释
- 指标出具(用户 2026-10-15 拍板):契约只写「指标来自」、上游没有报告撰写节点、成果里没有模型写的话时按指标出具——必需指标齐、指标输入追到原始数据、成果字段里的数回指得上才完整出具;受管级要求每个指标静态地追到原始数据(governed.metric_untraced);出具横幅和应用印章写明按指标
- 受管工作流降为已发布只给管理员(Q8 顺延,服务端同样拦);工作流接口带当前发布版的级别,画布上改过之后也认得出受管工作流
2026-10-15 07:15:37 +08:00

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"""取数链路进证据台账:tool 节点、agent、知识检索都记账,口径卡能精确到单元格。
一期的台账里只有口径卡的指标集:报告点开一个数,最远追到「vars.q.rows[0][0]」这条
路径,追不到那次查询的哪一格。二期:
- tool 节点落 tool 条目,查库再落 query 条目(工件是查询快照,外面包着工具快照)
- agent 每次查库都记账,给模型看的工具结果前面标上本节点内的编号「【证据 Q1】」
- 知识检索落 retrieval 条目
- 报告目录按全局台账顺序编出 Q1… / K1…
- 口径卡用 cell(nodes.fetch, 0, "amount") 取数时,来历精确到那一格(via tool_cell)
- 数据源工具返回「查询失败:…」「SQL 被拒绝:…」时,tool 节点判失败,报错写原话
"""
from __future__ import annotations
import asyncio
import json
import sqlite3
import pytest
from langchain_core.messages import AIMessage, ToolMessage
from sqlalchemy import select
from app.core import artifact_store
from app.data.engine import engines
from app.db.base import SessionLocal
from app.db.models import DataSource, Run, RunEvent
from app.engine.evidence import build_catalog, make_eid
from app.engine.expressions import (
CellError,
ExpressionError,
eval_expression,
leaf_refs,
parse_expression,
substitute,
table_cell,
)
from app.engine.runner import run_manager
TOOL = "db_query__shop"
SQL = "SELECT SUM(amount) AS gmv, SUM(prev) AS gmv_prev, COUNT(*) AS orders FROM orders WHERE week = '2026-W37'"
@pytest.fixture
async def engine_up():
await run_manager.setup()
yield
await run_manager.shutdown()
@pytest.fixture
async def shop(tmp_path):
"""示例 shop 库:本周 3 单,金额 100.5 + 200 + 300。"""
path = tmp_path / "shop.db"
db = sqlite3.connect(path)
db.executescript("CREATE TABLE orders (id INTEGER PRIMARY KEY, week TEXT, amount REAL, prev REAL, refunded INTEGER);")
db.executemany("INSERT INTO orders VALUES (?, ?, ?, ?, ?)", [
(1, "2026-W37", 100.5, 90.0, 0), (2, "2026-W37", 200.0, 100.0, 1), (3, "2026-W37", 300.0, 110.0, 0),
(4, "2026-W36", 50.0, 40.0, 0)])
db.commit()
db.close()
async with SessionLocal() as session:
row = (await session.execute(select(DataSource).where(DataSource.name == "shop"))).scalar_one_or_none()
if row is None:
row = DataSource(name="shop", kind="sqlite", database=str(path), readonly=True, enabled=True)
session.add(row)
else:
row.database, row.kind, row.enabled, row.readonly = str(path), "sqlite", True, True
await session.commit()
source_id = row.id
# 连接池按数据源 id 缓存:换了库文件不作废,查的还是上一个测试的库
await engines.invalidate(source_id)
yield
await engines.invalidate(source_id)
def node(nid, ntype, **config):
return {"id": nid, "type": ntype, "position": {"x": 0, "y": 0}, "data": {"label": nid, "config": config}}
def chain(*nodes):
return {"nodes": list(nodes), "edges": [{"source": a["id"], "target": b["id"]} for a, b in zip(nodes, nodes[1:])]}
async def finish(graph, statuses=("succeeded", "failed")) -> Run:
run = await run_manager.start(graph=graph, input_payload={})
for _ in range(400):
await asyncio.sleep(0.05)
async with SessionLocal() as session:
row = await session.get(Run, run.id)
if row.status in statuses and (row.status == "interrupted" or row.manifest_seq is not None):
return row
raise AssertionError(f"run {run.id} 没跑完:{row.status}")
async def events(run_id: str, etype: str | None = None, node_id: str | None = None) -> list[RunEvent]:
async with SessionLocal() as session:
q = select(RunEvent).where(RunEvent.run_id == run_id)
if etype:
q = q.where(RunEvent.type == etype)
if node_id:
q = q.where(RunEvent.node_id == node_id)
return list((await session.execute(q.order_by(RunEvent.seq))).scalars())
async def ledger(run_id: str) -> list[dict]:
tup = await run_manager.checkpointer.aget_tuple({"configurable": {"thread_id": run_id}})
return list(tup.checkpoint["channel_values"].get("evidence") or [])
# --------------------------------------------------------------------------
# cell():纯函数
# --------------------------------------------------------------------------
PAYLOAD = {"columns": ["gmv", "orders"], "rows": [[600.5, 3], ["45678.50", 7]], "artifact": "a" * 64}
def test_cell_reads_json_text_and_objects():
text = json.dumps(PAYLOAD)
assert table_cell(text, 0, "gmv") == 600.5
assert table_cell(PAYLOAD, 0, 1) == 3 # 列号也认
assert table_cell(PAYLOAD, 1, "gmv") == 45678.5 # DECIMAL 字符串能参与运算
assert table_cell({"rows": [{"gmv": 1}]}, 0, "gmv") == 1
assert eval_expression("cell(nodes.q, 0, 'gmv') * 2", {"nodes": {"q": text}}) == 1201.0
@pytest.mark.parametrize("args, words", [
((PAYLOAD, 2, "gmv"), "只有 2 行"),
((PAYLOAD, 0, "amount"), "没有列「amount」"),
((PAYLOAD, 0, 5), "只有 2 列"),
((PAYLOAD, -1, "gmv"), "从 0 开始"),
((PAYLOAD, True, "gmv"), "整数"),
(("查询失败:no such table: orders", 0, "gmv"), "查询失败:no such table: orders"),
(({"columns": ["gmv"], "rows": []}, 0, "gmv"), "0 行"),
((None, 0, "gmv"), "查询结果"),
])
def test_cell_errors_are_readable(args, words):
with pytest.raises(CellError) as info:
table_cell(*args)
assert words in str(info.value) and isinstance(info.value, ExpressionError)
assert str(info.value).startswith("cell()")
# 驱动把 DECIMAL 一律落成 str(Decimal):小数位为 0 的——MySQL 对整数列 SUM()(包括
# SUM(CASE WHEN … THEN 1 ELSE 0 END) 这种计数写法)、Postgres 的 SUM(bigint)——是没有小数点的
# "45678";很小的数写成 "1E-7"
INT_DECIMAL = {"columns": ["gmv", "refunds", "code", "tiny"], "rows": [["45678", "29", "00123", "1E-7"]],
"artifact": "a" * 64}
def test_cell_treats_integer_decimal_text_as_numbers():
gmv = table_cell(INT_DECIMAL, 0, "gmv")
assert gmv == 45678 and isinstance(gmv, int)
assert table_cell(INT_DECIMAL, 0, "refunds") == 29
assert table_cell(INT_DECIMAL, 0, "tiny") == 1e-7
assert table_cell(INT_DECIMAL, 0, "code") == "00123" # 带前导零的是编号,照文本
ctx = {"nodes": {"q": json.dumps(INT_DECIMAL)}}
assert eval_expression("cell(nodes.q, 0, 'gmv') / 2", ctx) == 22839.0
assert eval_expression("cell(nodes.q, 0, 'refunds') + 1", ctx) == 30
def test_leaf_refs_treat_a_cell_call_as_one_input():
tree = parse_expression("round(cell(nodes.fetch, 0, 'gmv') / cell(nodes.fetch, vars.i, 'orders'), 2)")[0]
assert leaf_refs(tree) == ["cell(nodes.fetch, 0, 'gmv')", "cell(nodes.fetch, vars.i, 'orders')", "vars.i"]
text = substitute(tree, {"cell(nodes.fetch, 0, 'gmv')": 600.5, "cell(nodes.fetch, vars.i, 'orders')": 3,
"vars.i": 0})
assert text == "round(600.5 / 3, 2)"
# --------------------------------------------------------------------------
# tool 节点
# --------------------------------------------------------------------------
def fetch_graph(*after, **tool_cfg):
return chain(
node("start", "input"),
node("fetch", "tool", tool=TOOL, args={"sql": SQL}, **tool_cfg),
*after,
node("out", "output", fields=[{"name": "r", "value": "{{ nodes.fetch }}"}]),
)
async def test_tool_node_writes_tool_and_query_entries(engine_up, shop):
row = await finish(fetch_graph())
assert row.status == "succeeded", row.error
[end] = await events(row.id, "tool.end", "fetch")
payload = json.loads(row.output["r"])
assert end.data["query_artifact"] == payload["artifact"]
[finished] = await events(row.id, "node.finished", "fetch")
tool_entry, query_entry = finished.data["evidence"]
assert tool_entry == {"kind": "tool", "node_id": "fetch", "exec": 1, "artifact": end.data["artifact"], "tool": TOOL}
assert query_entry == {"kind": "query", "node_id": "fetch", "exec": 1, "artifact": payload["artifact"],
"via": end.data["artifact"], "tool": TOOL, "source": "shop",
"columns": ["gmv", "gmv_prev", "orders"], "rows": 1, "truncated": False}
assert await ledger(row.id) == [tool_entry, query_entry]
snap = artifact_store.load(payload["artifact"])
assert snap["rows"] == [[600.5, 300.0, 3]]
@pytest.mark.parametrize("sql, words", [
("SELECT * FROM nope", "查询失败:no such table: nope"),
("DELETE FROM orders", "SQL 被拒绝:"),
])
async def test_tool_node_fails_when_the_query_fails(engine_up, shop, sql, words):
g = fetch_graph()
g["nodes"][1]["data"]["config"]["args"] = {"sql": sql}
row = await finish(g)
assert row.status == "failed"
assert words in (row.error or ""), row.error
[err] = await events(row.id, "tool.error", "fetch")
assert words in err.data["error"]
assert not await events(row.id, "tool.end", "fetch")
async def test_tool_node_failure_can_be_let_through(engine_up, shop):
g = fetch_graph(fail_fast=False)
g["nodes"][1]["data"]["config"]["args"] = {"sql": "SELECT * FROM nope"}
row = await finish(g)
assert row.status == "succeeded", row.error
assert "查询失败:no such table: nope" in row.output["r"]
assert (await events(row.id, "tool.error", "fetch"))[0].data["error"].startswith("查询失败:")
[finished] = await events(row.id, "node.finished", "fetch")
assert [e["kind"] for e in finished.data.get("evidence") or []] == ["tool"]
# --------------------------------------------------------------------------
# 只有数据源工具交回的才算查询:别的工具拼出同样形状的 JSON,不进台账的 query 条目
# --------------------------------------------------------------------------
FORGE = "forge_rows_test"
@pytest.fixture
def forge(monkeypatch):
"""一个交回「查询形状」JSON 的非数据源工具(MCP、自定义工具的文字都来自外面)。artifact 指向一份
真实存在的查询快照:它要是被当成查询,报告就能引用、cite_fields 就能读这份不在它名下的快照。"""
from pydantic import BaseModel
from app.tools import registry
class _Args(BaseModel):
artifact: str
async def _run(artifact: str) -> str:
return json.dumps({"artifact": artifact, "columns": ["gmv"], "rows": [[999]], "source": "shop"})
monkeypatch.setitem(registry._REGISTRY, FORGE, registry.ToolSpec(
name=FORGE, description="测试用:交回查询形状的 JSON", category="test", args_schema=_Args, func=_run,
needs_context=False))
def test_recorded_calls_only_number_datasource_queries():
"""tool_step 之外再守一道:交回来的结果(比如取自断点的旧结果)带着 query_artifact,只要不是
数据源工具,就不编号、不记 query 条目。"""
from app.engine.nodes.llm import _record_call
content = json.dumps({"artifact": "a" * 64, "columns": ["gmv"], "rows": [[1]], "source": "shop"})
outcome = {"content": content, "ok": True, "duration_ms": 1, "snapshot": "b" * 64, "query_artifact": "a" * 64}
record: dict = {}
queries: list = []
entries: list = []
shown = _record_call("bot", 1, "call_0", FORGE, {}, outcome, record, queries, entries)
assert shown == content and queries == [] and "alias" not in record
assert [e["kind"] for e in entries] == ["tool"]
shown = _record_call("bot", 1, "call_1", TOOL, {"sql": "SELECT 1"}, outcome, {}, queries, entries)
assert shown.startswith("【证据 Q1】\n") and [e["kind"] for e in entries] == ["tool", "tool", "query"]
async def _real_snapshot() -> str:
return await artifact_store.put_json({"columns": ["gmv"], "rows": [[1]], "row_count": 1, "truncated": False,
"elapsed_ms": 1, "sql": "SELECT 1", "source": "shop"},
kind="query_snapshot", run_id="elsewhere", node_id="x")
async def test_tool_node_only_trusts_datasource_queries(engine_up, forge):
art = await _real_snapshot()
row = await finish(chain(node("start", "input"), node("fetch", "tool", tool=FORGE, args={"artifact": art}),
node("out", "output", fields=[{"name": "r", "value": "{{ nodes.fetch }}"}])))
assert row.status == "succeeded", row.error
[end] = await events(row.id, "tool.end", "fetch")
assert "query_artifact" not in end.data
[finished] = await events(row.id, "node.finished", "fetch")
assert [e["kind"] for e in finished.data["evidence"]] == ["tool"]
assert not [e for e in await ledger(row.id) if e["kind"] == "query"]
async def test_agent_only_numbers_datasource_queries(engine_up, shop, forge, monkeypatch):
from app.providers import mock_model
art = await _real_snapshot()
seen: list[list] = []
def decide(self, messages):
seen.append(list(messages))
done = sum(isinstance(m, ToolMessage) for m in messages)
if done == 0:
return AIMessage(content="查。", tool_calls=[{"name": TOOL, "args": {"sql": SQL}, "id": "call_0"}])
if done == 1:
return AIMessage(content="再看看。", tool_calls=[{"name": FORGE, "args": {"artifact": art}, "id": "call_1"}])
return AIMessage(content="查完了。")
monkeypatch.setattr(mock_model.MockChatModel, "_decide", decide)
row = await finish(chain(node("start", "input"),
node("bot", "agent", prompt="查", tools=[TOOL, FORGE], approval="never"),
node("out", "output", fields=[{"name": "r", "value": "{{ nodes.bot.text }}"}])))
assert row.status == "succeeded", row.error
tool_msgs = [m for m in seen[-1] if isinstance(m, ToolMessage)]
assert tool_msgs[0].content.startswith("【证据 Q1】\n{")
assert tool_msgs[1].content.startswith("{") and "【证据" not in tool_msgs[1].content
ends = await events(row.id, "tool.end", "bot")
assert ends[0].data.get("query_artifact") and "query_artifact" not in ends[1].data
entries = await ledger(row.id)
assert [(e["kind"], e.get("tool")) for e in entries] == [("tool", TOOL), ("query", TOOL), ("tool", FORGE)]
assert art not in {e["artifact"] for e in entries}
transcript = artifact_store.load((await events(row.id, "node.finished", "bot"))[0].data["artifact"])["tool_calls"]
assert [t.get("alias") for t in transcript] == ["Q1", None]
# --------------------------------------------------------------------------
# 口径卡的来历精确到单元格
# --------------------------------------------------------------------------
async def test_cell_lineage_points_at_the_exact_cell(engine_up, shop):
card = node("card", "metrics", caliber="周报口径", metrics=[
{"id": "gmv", "name": "销售额", "unit": "元", "decimals": 2, "format": "thousands",
"expression": "cell(nodes.fetch, 0, 'gmv')"},
{"id": "wow", "name": "环比", "decimals": 1, "format": "plain",
"expression": "round((cell(nodes.fetch, 0, 'gmv') - cell(vars.q, 0, 1)) / cell(vars.q, 0, 1) * 100, 1)"},
])
parse = node("parse", "transform", mode="json", template="{{ nodes.fetch }}", assign_to="q")
row = await finish(fetch_graph(parse, card))
assert row.status == "succeeded", row.error
query = next(e for e in await ledger(row.id) if e["kind"] == "query")
finished = (await events(row.id, "node.finished", "card"))[0]
metrics = {m["id"]: m for m in artifact_store.load(finished.data["artifact"])["metrics"]}
gmv = metrics["gmv"]
assert gmv["value"] == 600.5 and gmv["substituted"] == "600.5" and gmv["recompute_ok"] is True
[cell] = gmv["inputs"]
assert cell == {"path": "cell(nodes.fetch, 0, 'gmv')", "value": 600.5, "node_id": "fetch", "via": "tool_cell",
"status": "verified", "locator": {"row": 0, "column": "gmv"}, "artifact": query["artifact"],
"eid": make_eid("cell", query["artifact"], {"row": 0, "column": "gmv"})}
# 经 transform 解析过的对象照样认得出是哪次查询;列号换成列名,eid 和按列名写的一致
prev = next(i for i in metrics["wow"]["inputs"] if i["path"] == "cell(vars.q, 0, 1)")
assert prev["via"] == "tool_cell" and prev["node_id"] == "fetch" and prev["status"] == "verified"
assert prev["locator"] == {"row": 0, "column": "gmv_prev"}
assert prev["eid"] == make_eid("cell", query["artifact"], {"row": 0, "column": "gmv_prev"})
async def test_a_positional_cell_through_a_plain_parse_reaches_the_snapshot(engine_up, shop):
"""数据整形只是把调用工具节点的结果原样按 JSON 解析(模板整串就是 {{ nodes.fetch }}):vars.q.rows[0][0] 确定地对到
查询快照的第 0 行第 0 列,和 cell() 一样核对快照、带 locator / artifact / eid,through 记下穿过的整形节点。
nodes.parse.rows[0]['gmv'] 按列名取也一样。模板带了过滤器、或者多包了一层的,不算原样解析:照旧记成数据整形的产出。"""
card = node("card", "metrics", caliber="周报口径", metrics=[
{"id": "gmv", "name": "销售额", "unit": "元", "decimals": 2, "format": "thousands",
"expression": "vars.q.rows[0][0]"},
{"id": "prev", "name": "上期", "decimals": 1, "format": "plain", "expression": "nodes.parse.rows[0]['gmv_prev']"},
{"id": "raw", "name": "过滤器", "decimals": 1, "format": "plain", "expression": "vars.raw.rows[0][0]"},
{"id": "wrap", "name": "包一层", "decimals": 1, "format": "plain", "expression": "vars.w.res.rows[0][0]"},
])
parse = node("parse", "transform", mode="json", template="{{ nodes.fetch }}", assign_to="q")
raw = node("parse_raw", "transform", mode="json", template="{{ nodes.fetch | trim }}", assign_to="raw")
wrap = node("wrap_n", "transform", mode="json", template='{"res": {{ nodes.fetch }}}', assign_to="w")
row = await finish(fetch_graph(parse, raw, wrap, card))
assert row.status == "succeeded", row.error
query = next(e for e in await ledger(row.id) if e["kind"] == "query")
finished = (await events(row.id, "node.finished", "card"))[0]
metrics = {m["id"]: m for m in artifact_store.load(finished.data["artifact"])["metrics"]}
gmv = metrics["gmv"]
assert gmv["value"] == 600.5 and gmv["recompute_ok"] is True
[cell] = gmv["inputs"]
assert cell == {"path": "vars.q.rows[0][0]", "value": 600.5, "node_id": "fetch", "via": "tool_cell",
"through": "parse", "status": "verified", "locator": {"row": 0, "column": "gmv"},
"artifact": query["artifact"], "eid": make_eid("cell", query["artifact"], {"row": 0, "column": "gmv"})}
[by_name] = metrics["prev"]["inputs"]
assert (by_name["via"], by_name["through"], by_name["locator"], by_name["status"]) == (
"tool_cell", "parse", {"row": 0, "column": "gmv_prev"}, "verified")
for metric_id, writer in (("raw", "parse_raw"), ("wrap", "wrap_n")):
[item] = metrics[metric_id]["inputs"]
assert (item["via"], item["node_id"]) == ("transform", writer) and "through" not in item, item
async def test_card_computes_on_integer_decimal_text(engine_up, shop):
"""sqlite 没有 DECIMAL:CAST(… AS TEXT) 落进快照的,和 MySQL 整数列 SUM() 的 str(Decimal) 一模一样。"""
sql = ("SELECT CAST(SUM(refunded) AS TEXT) AS refunds, CAST(COUNT(*) AS TEXT) AS orders "
"FROM orders WHERE week = '2026-W37'")
card = node("card", "metrics", caliber="周报口径", metrics=[
{"id": "rate", "name": "退款率", "decimals": 1, "format": "plain",
"expression": "cell(nodes.fetch, 0, 'refunds') / cell(nodes.fetch, 0, 'orders') * 100"}])
g = fetch_graph(card)
g["nodes"][1]["data"]["config"]["args"] = {"sql": sql}
row = await finish(g)
assert row.status == "succeeded", row.error
assert json.loads(row.output["r"])["rows"] == [["1", "3"]]
finished = (await events(row.id, "node.finished", "card"))[0]
[rate] = artifact_store.load(finished.data["artifact"])["metrics"]
assert rate["value"] == pytest.approx(33.3) and rate["recompute_ok"] is True
assert {i["status"] for i in rate["inputs"]} == {"verified"}
assert [i["value"] for i in rate["inputs"]] == [1, 3]
async def test_cell_out_of_range_fails_the_card_readably(engine_up, shop):
card = node("card", "metrics", metrics=[{"id": "x", "expression": "cell(nodes.fetch, 3, 'gmv')"}])
row = await finish(fetch_graph(card))
assert row.status == "failed"
assert "cell() 请求第 3 行,但查询结果只有 1 行" in (row.error or ""), row.error
# --------------------------------------------------------------------------
# agent 与知识检索也记账;目录按全局顺序编号
# --------------------------------------------------------------------------
def script_agent(monkeypatch, sqls):
from app.providers import mock_model
seen: list[list] = []
def decide(self, messages):
if self.response_format:
return AIMessage(content="{}")
seen.append(list(messages))
done = sum(isinstance(m, ToolMessage) for m in messages)
if done < len(sqls):
return AIMessage(content="查。", tool_calls=[{"name": TOOL, "args": {"sql": sqls[done]}, "id": f"call_{done}"}])
return AIMessage(content="查完了。")
monkeypatch.setattr(mock_model.MockChatModel, "_decide", decide)
return seen
async def test_agent_and_retrieval_write_the_ledger_and_the_catalog_numbers_them(engine_up, shop, monkeypatch):
from app.memory import kb
async def fake_search(session, **kw):
return [{"title": "口径说明", "ordinal": 1, "content": "退款按发生周统计", "score": 0.9, "document_id": "d1"}]
monkeypatch.setattr(kb, "search", fake_search)
seen = script_agent(monkeypatch, [SQL, "SELECT * FROM nope", "SELECT COUNT(*) AS refunds FROM orders WHERE refunded = 1"])
g = chain(
node("start", "input"),
node("docs", "retrieve", query="退款口径", collection="docs"),
node("bot", "agent", prompt="查本周销售额和退款", tools=[TOOL], approval="never"),
node("out", "output", fields=[{"name": "r", "value": "{{ nodes.bot.text }}"}]),
)
row = await finish(g)
assert row.status == "succeeded", row.error
# 给模型看的:查成功的结果前面有本节点内的编号,失败的原话照旧喂回去、不编号
tool_msgs = [m for m in seen[-1] if isinstance(m, ToolMessage)]
assert tool_msgs[0].content.startswith("【证据 Q1】\n{")
assert tool_msgs[1].content.startswith("查询失败:no such table: nope")
assert tool_msgs[2].content.startswith("【证据 Q2】\n{")
entries = await ledger(row.id)
assert [(e["kind"], e["node_id"]) for e in entries] == [
("retrieval", "docs"), ("tool", "bot"), ("query", "bot"), ("tool", "bot"), ("tool", "bot"), ("query", "bot")]
retrieval = entries[0]
[retrieve_end] = await events(row.id, "retrieve.end", "docs")
assert retrieval == {"kind": "retrieval", "node_id": "docs", "exec": 1, "artifact": retrieve_end.data["artifact"],
"source": "docs", "rows": 1}
ends = await events(row.id, "tool.end", "bot")
queries = [e for e in entries if e["kind"] == "query"]
assert [q["artifact"] for q in queries] == [e.data["query_artifact"] for e in ends if e.data.get("query_artifact")]
assert [q["via"] for q in queries] == [ends[0].data["artifact"], ends[2].data["artifact"]]
assert queries[0]["call_id"] == "call_0" and queries[1]["call_id"] == "call_2"
assert queries[1]["columns"] == ["refunds"] and queries[1]["rows"] == 1
# 工具调用记录带上编号和工件
bot = (await events(row.id, "node.finished", "bot"))[0].data
assert [e["kind"] for e in bot["evidence"]] == ["tool", "query", "tool", "tool", "query"]
transcript = artifact_store.load(bot["artifact"])["tool_calls"]
assert [t.get("alias") for t in transcript] == ["Q1", None, "Q2"]
assert transcript[0]["artifact"] == queries[0]["artifact"] and transcript[0]["via"] == queries[0]["via"]
assert transcript[0]["call_id"] == "call_0"
catalog = build_catalog(nodes={}, ledger=entries)
assert catalog["Q1"]["artifact"] == queries[0]["artifact"] and catalog["Q2"]["artifact"] == queries[1]["artifact"]
assert catalog["K1"]["artifact"] == retrieval["artifact"] and "1 条" in catalog["K1"]["label"]
# --------------------------------------------------------------------------
# 问数据那条路:input → agent → report → output,报告直接引用 agent 查过的格
# --------------------------------------------------------------------------
async def test_report_cites_cells_the_agent_queried(engine_up, shop, monkeypatch):
from app.engine.evidence import iter_segments
from app.providers import mock_model
answer = "本周销售额 [[v:Q1.r0.gmv]],共 [[v:Q1.r0.orders]] 单。[[see:Q1]]\n\n[[table:Q1 cols=gmv,orders]]"
def decide(self, messages):
if self.tools:
if not any(isinstance(m, ToolMessage) for m in messages):
return AIMessage(content="查。", tool_calls=[{"name": TOOL, "args": {"sql": SQL}, "id": "call_0"}])
return AIMessage(content="查完了。")
return AIMessage(content=answer)
monkeypatch.setattr(mock_model.MockChatModel, "_decide", decide)
g = chain(
node("start", "input"),
node("bot", "agent", prompt="本周卖了多少", tools=[TOOL], approval="never"),
node("write", "report", instructions="回答用户的问题"),
node("out", "output", fields=[{"name": "答案", "value": "{{ nodes.write.text }}"}]),
)
row = await finish(g)
assert row.status == "succeeded", row.error
assert row.output["答案"] == ("本周销售额 600.5,共 3 单。\n\n| gmv | orders |\n| --- | --- |\n| 600.5 | 3 |")
assert row.output["_evidence"]["fields"] == ["答案"]
[checked] = await events(row.id, "report.checked", "write")
assert checked.data["ok"] is True and checked.data["violations"] == []
doc = artifact_store.load(checked.data["doc_artifact"])
query = next(e for e in await ledger(row.id) if e["kind"] == "query")
cited = [s for s in iter_segments(doc) if s.get("ref") == "v:Q1.r0.gmv"]
assert len(cited) == 2 # 正文一处、表里一处,指向同一格
assert {s["cite"]["eid"] for s in cited} == {make_eid("cell", query["artifact"], {"row": 0, "column": "gmv"})}
assert doc["catalog"]["Q1"]["artifact"] == query["artifact"] and doc["catalog"]["Q1"]["node_id"] == "bot"