137 lines
5.1 KiB
Python
137 lines
5.1 KiB
Python
"""在独立测试库上跑测试：与开发用的 worker 进程物理隔离。
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为什么需要：`python -m app.worker` 会认领任意 `queued/running/cancel_requested` 运行，
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并消费 Outbox 事件。只要它与测试共用同一个库，测试造的数据就会被并发消费，表现为
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"同一个用例全量跑失败、单跑通过"的偶发失败——那不是代码缺陷，是环境干扰。
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流程（每一步都只作用于测试库）：
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1. 由 `.env` 的 `MYSQL_DSN` 推导测试库 DSN（只换库名，其余原样）；
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2. 对测试库执行 `alembic upgrade head`（合并两条分支后，迁移链已能从空库建出全部表，
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不再需要手工导入 `alembic/baseline_generated.sql`）；`--rebuild` 会先清空测试库再重建；
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3. 灌入 RBAC 测试账号（`tools/seed_test_rbac.py`，9001/9002/9003 号段）；
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4. 仅在本进程内用 `MYSQL_DSN` 覆盖，跑 pytest。
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前置（只需一次，用有建库权限的账号执行）：
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CREATE DATABASE IF NOT EXISTS jr_agent_test
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CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci;
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GRANT ALL PRIVILEGES ON jr_agent_test.* TO 'jr_app'@'localhost';
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用法：
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python -m tools.run_tests_on_test_db # 默认跑 tests/integration
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python -m tools.run_tests_on_test_db tests # 跑全部测试目录
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python -m tools.run_tests_on_test_db --rebuild tests # 先清空测试库再由迁移重建
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"""
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from __future__ import annotations
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import os
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import subprocess
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import sys
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from pathlib import Path
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import pymysql
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from sqlalchemy.engine import make_url
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ROOT = Path(__file__).resolve().parents[1]
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if str(ROOT) not in sys.path:
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sys.path.insert(0, str(ROOT))
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from app.core.config import get_settings # noqa: E402
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DEFAULT_DATABASE = "jr_agent_test"
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def _connect(**overrides: object) -> pymysql.connections.Connection:
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settings = get_settings()
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url = make_url(settings.mysql_dsn)
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return pymysql.connect(
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host=url.host or "127.0.0.1",
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port=url.port or 3306,
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user=url.username,
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password=url.password or "",
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charset="utf8mb4",
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**overrides, # type: ignore[arg-type]
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)
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def _table_count(connection: pymysql.connections.Connection, database: str) -> int:
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with connection.cursor() as cursor:
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cursor.execute(
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"SELECT COUNT(*) FROM information_schema.TABLES WHERE TABLE_SCHEMA = %s",
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(database,),
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)
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return int(cursor.fetchone()[0])
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def _drop_all_tables(connection: pymysql.connections.Connection, database: str) -> int:
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"""清空测试库（仅测试库），返回删除的表数。
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先关外键检查再逐张 DROP：表之间存在外键，顺序删除会互相阻塞。
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"""
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with connection.cursor() as cursor:
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cursor.execute(f"USE `{database}`")
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cursor.execute(
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"SELECT table_name FROM information_schema.tables WHERE table_schema=%s",
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(database,),
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)
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tables = [row[0] for row in cursor.fetchall()]
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cursor.execute("SET FOREIGN_KEY_CHECKS=0")
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for table in tables:
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cursor.execute(f"DROP TABLE IF EXISTS `{table}`")
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cursor.execute("SET FOREIGN_KEY_CHECKS=1")
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connection.commit()
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return len(tables)
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def _run(step: str, args: list[str], env: dict[str, str]) -> None:
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print(f"\n>>> {step}: {' '.join(args)}", flush=True)
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completed = subprocess.run(args, cwd=ROOT, env=env, check=False)
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if completed.returncode != 0:
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raise SystemExit(f"{step} 失败（退出码 {completed.returncode}）")
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def main() -> None:
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database = os.environ.get("TEST_DB_NAME", DEFAULT_DATABASE)
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arguments = sys.argv[1:]
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rebuild = "--rebuild" in arguments
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pytest_args = [item for item in arguments if item != "--rebuild"] or ["tests/integration"]
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base_url = make_url(get_settings().mysql_dsn)
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test_url = base_url.set(database=database)
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if base_url.database == database:
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raise SystemExit(f"测试库不能与开发库同名（当前：{database}）")
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try:
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connection = _connect(database=database)
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except pymysql.err.OperationalError as exc:
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raise SystemExit(
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f"无法连接测试库 {database}：{exc}\n"
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"请先用有建库权限的账号执行：\n"
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f" CREATE DATABASE IF NOT EXISTS {database} "
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"CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci;\n"
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f" GRANT ALL PRIVILEGES ON {database}.* TO 'jr_app'@'localhost';"
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) from exc
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with connection:
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tables = _table_count(connection, database)
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print(f"测试库 {database} 现有表：{tables}")
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if rebuild and tables:
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dropped = _drop_all_tables(connection, database)
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print(f"--rebuild：已清空测试库（删除 {dropped} 张表）")
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env = {
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**os.environ,
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"MYSQL_DSN": test_url.render_as_string(hide_password=False),
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}
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python = sys.executable
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_run("结构迁移", [python, "-m", "alembic", "upgrade", "head"], env)
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_run("灌入测试账号", [python, "-m", "tools.seed_test_rbac"], env)
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_run("执行测试", [python, "-m", "pytest", *pytest_args, "-q"], env)
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if __name__ == "__main__":
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main()
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