44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
"""测试配置：每个测试用例使用隔离的内存数据库。"""
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import pytest
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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from app.core import db as db_module
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from app.models import Base
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@pytest.fixture(autouse=True)
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def _isolate_db(tmp_path, monkeypatch):
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"""每个测试用例：创建独立内存 SQLite → 建表 → 替换全局引擎 → 测试结束自动清理。
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这确保测试之间完全隔离，不共享任何数据。
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"""
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test_db_url = f"sqlite:///{tmp_path}/test.db"
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engine = create_engine(test_db_url, connect_args={"check_same_thread": False})
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# 启用 WAL + 外键
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from sqlalchemy import event, text
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@event.listens_for(engine, "connect")
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def _set_pragma(dbapi_conn, _):
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cursor = dbapi_conn.cursor()
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cursor.execute("PRAGMA journal_mode=WAL")
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cursor.execute("PRAGMA foreign_keys=ON")
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cursor.close()
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Base.metadata.create_all(engine)
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test_factory = sessionmaker(bind=engine, expire_on_commit=False)
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# 替换全局引擎和 session 工厂
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monkeypatch.setattr(db_module, "_engine", engine)
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monkeypatch.setattr(db_module, "_session_factory", test_factory)
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# 清空内存 session 存储
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from app.core import session as session_module
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session_module._store.clear()
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yield
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engine.dispose() |