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ThearchyHelios
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一、文案（前端约 1600 处，后端传到界面的约 880 处） - 术语统一：工作流层面用「运行」（继续运行、重新运行、试运行），节点和工具层面用「执行」，不再用「跑」； 总时长 / 执行时长 / 等待审批；服务端；助手；Agent；token；工作流；固定版本；模型接入；系统提示；批准 / 驳回；受管级别 - 口语改书面：取不到、没取回来、读不懂、连不上、多半、照样、兜底、揉成这类说法改成「无法 / 未能 / 失败 / 请」；去掉拟人写法 - 不再露出实现细节：界面上不写 checkpoint、同一拍、哈希（凭证处除外），不写改版历史（「以前…」「老数据」）； 报错、校验、门禁、自动修复里裸写的配置键名和枚举值换成界面上的中文标签，由新的 backend/app/engine/labels.py 统一提供； 发布弹窗里结论句的选项不再是 off / require_citation - 同一件事只留一种说法：生成阶段文案、出具档位说明、画布锁定提示各合成一份 - 去掉界面上的工业场景示例（MES、ERP、「张工」「王工」）和真实产品名，换成通用示例 二、说错的提示（都有测试证明） - 数据库测连接失败时的专用提示以前从不出现（按报错文字全等比较，永远比不上）：改为按错误类型判断，不再拼出重复的前缀 - 「设置 → 供应商」改指「设置 → 模型接入」；「在设置里建数据源」改指「数据」页 - 缺少 API Key、模型接入已停用的报错不再夹英文，写明去哪里填 - 两处原因说错（「这种引用在后续版本支持」「这一版还不支持」）改成真实原因 - 节点说明里不准确的说法改正：代码节点在 microVM 或系统沙箱中执行；报告撰写、口径卡的说明不再说过头 - 导出的证据 CSV 里两列同名，第三列改为「片段编号」 三、前后端对齐 - 前端按后端原文识别日志、报错的地方，新旧两种写法都认得（历史运行里存的是旧文字），逐条补了新旧原文的核对 - 后端交回模型的原指令放进单独的 for_model 字段，前端在解析响应时去掉，不会显示到界面上 四、检查 - 检查脚本里按原文匹配的断言改成新文案；改完会变成永远成立的反向断言逐条修正，并做了变异验证 - 新增 check-copy（静态扫描前端界面字符串和后端上界面的文案）：再出现「跑」「后端」「多半」「令牌」、 界面上的 Copilot、裸写的配置键名、半角标点等就报错；确需保留的写进 scripts/copy-allow.json 并注明理由
254 lines
9.7 KiB
Python
254 lines
9.7 KiB
Python
"""数据源连接层与工具层。
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用真实的 SQLite 库跑——SQLAlchemy 统一了方言，SQLite 走的是和 MySQL/Oracle
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同一套代码路径，所以这里验证的不只是 SQLite。各驱动特有的差异（Oracle 的
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service_name、MySQL 的 charset）在 URL 构造那组用例里覆盖。
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"""
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from __future__ import annotations
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import json
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import sqlite3
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from types import SimpleNamespace
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import pytest
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from app.data.engine import build_url, run_query, test_connection
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from app.data.guard import QueryLimits, SqlRejected
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from app.data.introspect import describe_table, introspect, summary, table_names
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from app.main import app as _fastapi_app
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from httpx import ASGITransport, AsyncClient
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@pytest.fixture
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async def client():
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transport = ASGITransport(app=_fastapi_app)
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async with AsyncClient(transport=transport, base_url="http://test") as c:
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yield c
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@pytest.fixture
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def shop_db(tmp_path):
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"""一个最小但真实的业务库：地区 / 商品 / 订单。"""
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path = tmp_path / "shop.db"
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db = sqlite3.connect(path)
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db.executescript("""
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CREATE TABLE regions (id INTEGER PRIMARY KEY, name TEXT NOT NULL);
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CREATE TABLE orders (
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id INTEGER PRIMARY KEY, region_id INTEGER NOT NULL,
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qty INTEGER NOT NULL, amount REAL NOT NULL, ordered_at TEXT NOT NULL
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);
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""")
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db.executemany("INSERT INTO regions(id,name) VALUES(?,?)",
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[(1, "华东"), (2, "华北")])
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db.executemany(
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"INSERT INTO orders(id,region_id,qty,amount,ordered_at) VALUES(?,?,?,?,?)",
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[(i, 1 + i % 2, i, i * 10.5, "2026-06-15") for i in range(1, 101)],
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)
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db.commit()
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db.close()
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return str(path)
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@pytest.fixture
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def source(shop_db):
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return SimpleNamespace(
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id="test-src", name="sales", kind="sqlite", database=shop_db,
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host=None, port=None, username=None, password=None, options={},
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readonly=True, description="测试销售库", schema_cache={},
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)
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async def test_connection_and_introspect(source):
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assert (await test_connection(source))["ok"]
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source.schema_cache = await introspect(source)
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assert set(table_names(source)) == {"regions", "orders"}
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orders = source.schema_cache["tables"]["orders"]
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assert [c["name"] for c in orders["columns"]] == [
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"id", "region_id", "qty", "amount", "ordered_at"
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]
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assert orders["primary_key"] == ["id"]
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async def test_summary_is_compact_enough_for_a_prompt(source):
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source.schema_cache = await introspect(source)
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text = summary(source)
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assert "orders" in text and "amount" in text
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# 摘要要能塞进 system prompt——超出这个量级就该改成按需探查
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assert len(text) < 2000
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async def test_summary_says_so_when_never_introspected(source):
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"""没探查过就明说，别让 Copilot 对着空气编表名。"""
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assert "尚未探查结构" in summary(source)
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async def test_describe_table_accepts_qualified_name(source):
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"""模型可能传 SCHEMA.TABLE 全名，也可能只传表名，两种都要认。"""
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source.schema_cache = await introspect(source)
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assert "amount" in describe_table(source, "orders")
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assert "amount" in describe_table(source, "main.orders")
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assert "amount" in describe_table(source, "ORDERS") # Oracle 惯用大写
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async def test_describe_table_lists_unknown_table_options(source):
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source.schema_cache = await introspect(source)
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out = describe_table(source, "没有这张表")
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assert "现有的对象" in out and "orders" in out
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async def test_query_returns_rows(source):
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result = await run_query(source, "SELECT COUNT(*) AS c FROM orders")
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assert result.rows[0][0] == 100
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assert result.columns == ["c"]
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async def test_readonly_guard_applies_on_real_connection(source):
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"""守卫不能只在单测里生效——真实连接路径上也必须拦住。"""
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for sql in ("UPDATE orders SET qty=0", "DROP TABLE orders", "SELECT 1; DROP TABLE orders"):
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with pytest.raises(SqlRejected):
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await run_query(source, sql)
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# 数据确实没被动过
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assert (await run_query(source, "SELECT COUNT(*) FROM orders")).rows[0][0] == 100
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async def test_result_set_is_capped(source):
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"""一条 SELECT * 不该把内存和模型上下文一起打爆。"""
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result = await run_query(source, "SELECT * FROM orders", limits=QueryLimits(max_rows=10))
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assert result.row_count == 10
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assert result.truncated is True
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async def test_rows_are_json_serializable(source):
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"""Decimal / date / bytes 在真实业务数据里遍地都是，不处理等于不可用。"""
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result = await run_query(source, "SELECT amount, ordered_at FROM orders LIMIT 3")
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json.dumps(result.to_payload()) # 不抛就算过
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# --------------------------------------------------------------------------
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# URL 构造：各驱动的方言差异
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# --------------------------------------------------------------------------
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def _src(kind, **kw):
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base = dict(id="x", name="n", readonly=True, host="db", port=None,
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database=None, username="u", password="p", options={})
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base.update(kw)
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return SimpleNamespace(kind=kind, **base)
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@pytest.mark.parametrize("kind,expect", [
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("mysql", "mysql+aiomysql://"),
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("postgres", "postgresql+asyncpg://"),
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("oracle", "oracle+oracledb://"),
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])
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def test_url_uses_async_drivers(kind, expect):
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opts = {"service_name": "ORCL"} if kind == "oracle" else {}
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assert build_url(_src(kind, database="d", options=opts)).startswith(expect)
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def test_password_is_masked_by_default():
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"""密码不该出现在日志、事件流或任何返回给前端的地方。"""
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url = build_url(_src("mysql", database="d"))
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assert "***" in url and ":p@" not in url
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def test_oracle_requires_service_name_or_sid():
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"""Oracle 最常见的配错点，要给明确提示而不是让驱动报晦涩的 ORA 错误。"""
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with pytest.raises(ValueError, match="service_name"):
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build_url(_src("oracle"))
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def test_oracle_accepts_database_as_service_name():
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assert "service_name=ORCLPDB1" in build_url(_src("oracle", database="ORCLPDB1"))
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def test_unknown_kind_is_rejected():
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with pytest.raises(ValueError, match="不支持"):
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build_url(_src("mongodb"))
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# --------------------------------------------------------------------------
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# schema 发现：各家的 "schema" 根本不是同一个东西
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# MySQL schema == database（SHOW schemas）
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# Oracle schema == user（all_users）
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# PG database > schema（pg_namespace）
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# SQLite 只有 main + attached
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# 所以这组用例守的是"不管哪一家，探不到东西时都要给出可走的下一步"。
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# --------------------------------------------------------------------------
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async def test_sqlite_degrades_without_information_schema(source):
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"""SQLite 没有 information_schema，统计路径要安静地降级而不是报错。"""
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from app.data.introspect import list_schemas, schema_stats
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assert await schema_stats(source) == []
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assert isinstance(await list_schemas(source), list)
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async def test_qualified_name_omits_schema_when_absent(source):
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"""没有 schema 概念时不要硬拼前缀，否则生成的 SQL 反而错。"""
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source.schema_cache = await introspect(source)
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assert source.schema_cache["tables"]["orders"]["qualified"] == "orders"
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async def test_qualified_name_includes_schema_when_given(source):
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"""有 schema 时必须带前缀——Oracle 上少了它就是 ORA-00942。"""
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cache = await introspect(source, schema="main")
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assert cache["tables"]["orders"]["qualified"] == "main.orders"
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def test_schema_stats_sql_covers_every_supported_kind():
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"""新增数据库类型时别忘了这里——漏了就退化成黑名单猜测。"""
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from app.data.engine import SUPPORTED_KINDS
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from app.data.introspect import _SCHEMA_STATS_SQL
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# sqlite 显式短路，其余要么有专用 SQL，要么落到 information_schema 标准路径
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assert "oracle" in _SCHEMA_STATS_SQL
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assert "_standard" in _SCHEMA_STATS_SQL
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for kind in SUPPORTED_KINDS:
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assert kind in _SCHEMA_STATS_SQL or kind in ("sqlite", "mysql", "mariadb",
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"postgres", "postgresql")
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# --------------------------------------------------------------------------
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# 探查失败 ≠ 还没探查
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# --------------------------------------------------------------------------
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#
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# run 554a0f92：shop 的探查因为 "Lost connection to MySQL server during query"
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# 失败了，但失败被存成了一个"成功但没表"的缓存，schema_synced_at 照常盖戳。
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# 于是 db_schema 工具对 agent 说"还没有探查过结构，请在设置页里执行一次"——
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# 一句错话，配一个 agent 根本做不到的动作。它只好自己摸：猜 7 个表名、发一条
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# SELECT 1 试连通性、再用三条 information_schema 把 schema 重建一遍。
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# 9 次工具调用花掉 6 次，前 29 秒没碰到一点真数据。
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#
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# 而 available_schemas 那 10 个候选一直躺在缓存里，没人交给它。
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class _FailedCache:
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"""探查失败之后 schema_cache 的样子。"""
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name = "shop"
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kind = "mysql"
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database = "prod_shop"
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description = ""
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readonly = True
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schema_cache = {
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"tables": {}, "total": 0, "failed": True,
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"error": "OperationalError: (2013, 'Lost connection to MySQL server during query')",
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"available_schemas": ["prod_shop", "shop_dev", "toolsdb"],
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}
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class _NeverRun(_FailedCache):
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"""从来没探查过的样子。和上面必须说不一样的话。"""
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schema_cache: dict = {}
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def test_why_empty_tells_the_two_cases_apart():
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from app.data.introspect import why_empty
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assert "失败" in why_empty(_FailedCache.schema_cache)
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assert "Lost connection" in why_empty(_FailedCache.schema_cache)
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assert why_empty({}) == "尚未探查结构"
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