mitlist/be/tests/conftest.py

56 lines
1.7 KiB
Python

import pytest
import asyncio
from typing import AsyncGenerator
from fastapi.testclient import TestClient
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy.pool import StaticPool
from app.main import app
from app.models import Base
from app.database import get_db
from app.config import settings
# Create test database engine
TEST_DATABASE_URL = "sqlite+aiosqlite:///:memory:"
engine = create_async_engine(
TEST_DATABASE_URL,
connect_args={"check_same_thread": False},
poolclass=StaticPool,
)
TestingSessionLocal = sessionmaker(
engine, class_=AsyncSession, expire_on_commit=False
)
@pytest.fixture(scope="session")
def event_loop():
"""Create an instance of the default event loop for each test case."""
loop = asyncio.get_event_loop_policy().new_event_loop()
yield loop
loop.close()
@pytest.fixture(scope="session")
async def test_db():
"""Create test database and tables."""
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
yield
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.drop_all)
@pytest.fixture
async def db_session(test_db) -> AsyncGenerator[AsyncSession, None]:
"""Create a fresh database session for each test."""
async with TestingSessionLocal() as session:
yield session
@pytest.fixture
async def client(db_session) -> AsyncGenerator[TestClient, None]:
"""Create a test client with the test database session."""
async def override_get_db():
yield db_session
app.dependency_overrides[get_db] = override_get_db
with TestClient(app) as test_client:
yield test_client
app.dependency_overrides.clear()