PayrollManagementSystem/backend/tests/conftest.py

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"""测试共用夹具。"""
import pytest
from fastapi.testclient import TestClient
@pytest.fixture
def tplus_session(monkeypatch):
"""T+ 管理逻辑的真实内存事务;MySQL 并发锁另做集成验证。"""
from sqlalchemy import DefaultClause, Integer, MetaData, create_engine, text
from sqlalchemy.orm import Session
from app.core.config import Settings
from app.models import TPlusSyncBatch, TPlusSyncError, TPlusSyncRecord
engine = create_engine("sqlite:///:memory:")
metadata = MetaData()
for model in (TPlusSyncBatch, TPlusSyncError, TPlusSyncRecord):
table = model.__table__.to_metadata(metadata)
table.c.id.type = Integer()
table.c.update_time.server_default = DefaultClause(text("CURRENT_TIMESTAMP"))
metadata.create_all(engine)
settings = Settings(
_env_file=None,
app_secret_key="x" * 32,
t_plus_enabled=True,
t_plus_database="unit_tplus",
t_plus_user="reader",
t_plus_odbc_driver="unit",
)
monkeypatch.setattr("app.services.tplus.task_service.get_settings", lambda: settings)
with Session(engine, expire_on_commit=False) as session:
yield session
engine.dispose()
@pytest.fixture(scope="session")
def client() -> TestClient:
"""构造应用测试客户端(会话级复用,避免重复构建应用)。
注意:测试环境未必有 MySQL/Redis 在跑,健康检查会如实返回 false,
因此断言应聚焦于响应结构而非依赖的连通性。
"""
from unittest.mock import patch
from app.main import app
# 测试客户端不启动后台采集,避免单测通过环境配置写入现有业务库。
with (
patch.object(app.state.monitor, "start"),
patch.object(app.state.monitor, "stop"),
TestClient(app) as test_client,
):
yield test_client
@pytest.fixture
def fake_redis(monkeypatch: pytest.MonkeyPatch):
"""把 Redis 客户端替换为进程内假实现。
验证码的 GETDEL、限流的 INCR/EXPIRE/TTL、黑名单的 SETEX——都只用到
基础字符串命令,fakeredis 能完整覆盖,因此这些逻辑无需起容器即可测试,
单测得以保持秒级。
替换的是 `app.core.redis_client` 的模块级单例,各 service 通过
`get_redis()` 取用,故一处替换即全局生效。
"""
import fakeredis
from app.core import redis_client
fake = fakeredis.FakeRedis(decode_responses=True)
monkeypatch.setattr(redis_client, "_client", fake)
yield fake
fake.close()