Files
2026-07-22 16:52:09 +08:00

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Python

"""Test fixtures: async client + in-memory SQLite database."""
import asyncio
from typing import AsyncGenerator
import pytest
import pytest_asyncio
from httpx import ASGITransport, AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from app.database import Base, get_db
from app.main import app
TEST_DATABASE_URL = "sqlite+aiosqlite:///:memory:"
@pytest.fixture(scope="session")
def event_loop():
loop = asyncio.new_event_loop()
yield loop
loop.close()
@pytest_asyncio.fixture(scope="session")
async def engine():
engine = create_async_engine(TEST_DATABASE_URL, echo=False)
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
yield engine
await engine.dispose()
@pytest_asyncio.fixture
async def db(engine) -> AsyncGenerator[AsyncSession, None]:
session_factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
async with session_factory() as session:
yield session
@pytest_asyncio.fixture
async def client(engine) -> AsyncGenerator[AsyncClient, None]:
session_factory = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
async def override_get_db():
async with session_factory() as session:
yield session
app.dependency_overrides[get_db] = override_get_db
transport = ASGITransport(app=app)
async with AsyncClient(transport=transport, base_url="http://test") as ac:
yield ac
app.dependency_overrides.clear()