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hms-licht-ton/backend/tests/conftest.py
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"""Pytest fixtures: test database, client, mock Redis, mock admin user."""
import asyncio
import pytest
import pytest_asyncio
from httpx import AsyncClient, ASGITransport
from unittest.mock import AsyncMock, patch, MagicMock
from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
from app.database import Base, get_db
from app.cache import cache
from app.models import EquipmentCache, RentalRequest, RentalRequestItem, Contact, AdminUser, SyncLog
from app.auth import get_password_hash
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="function")
async def test_engine():
"""Create an in-memory SQLite engine for tests."""
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
async with engine.begin() as conn:
await conn.run_sync(Base.metadata.drop_all)
await engine.dispose()
@pytest_asyncio.fixture(scope="function")
async def test_db(test_engine):
"""Yield a test database session."""
session_maker = async_sessionmaker(test_engine, class_=AsyncSession, expire_on_commit=False)
async with session_maker() as session:
yield session
@pytest_asyncio.fixture(scope="function")
async def client(test_engine):
"""Yield an async test client with test database and mock cache."""
session_maker = async_sessionmaker(test_engine, class_=AsyncSession, expire_on_commit=False)
async def override_get_db():
async with session_maker() as session:
yield session
# Mock cache to avoid Redis dependency
mock_cache = MagicMock()
mock_cache.get = AsyncMock(return_value=None)
mock_cache.set = AsyncMock(return_value=None)
mock_cache.delete_pattern = AsyncMock(return_value=0)
mock_cache.incr_rate = AsyncMock(return_value=1)
mock_cache.connect = AsyncMock(return_value=None)
mock_cache._redis = MagicMock()
mock_cache._redis.ping = AsyncMock(return_value=True)
with patch("app.cache.cache", mock_cache), \
patch("app.routers.equipment.cache", mock_cache), \
patch("app.routers.admin.cache", mock_cache), \
patch("app.routers.rental_requests.cache", mock_cache), \
patch("app.routers.contact.cache", mock_cache), \
patch("app.services.sync_service.cache", mock_cache):
from app.main import app
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()
@pytest_asyncio.fixture(scope="function")
async def seeded_admin(test_engine):
"""Seed an admin user into the test database and return credentials."""
session_maker = async_sessionmaker(test_engine, class_=AsyncSession, expire_on_commit=False)
async with session_maker() as session:
admin = AdminUser(
username="admin",
password_hash=get_password_hash("testpassword"),
)
session.add(admin)
await session.commit()
return {"username": "admin", "password": "testpassword"}
@pytest_asyncio.fixture(scope="function")
async def seeded_equipment(test_engine):
"""Seed sample equipment into the test database."""
session_maker = async_sessionmaker(test_engine, class_=AsyncSession, expire_on_commit=False)
async with session_maker() as session:
items = [
EquipmentCache(rentman_id="101", name="L-Acoustics K2", number="K2-001", category="Lautsprecher", brand="L-Acoustics", available=True),
EquipmentCache(rentman_id="102", name="L-Acoustics KS28", number="KS28-001", category="Subwoofer", brand="L-Acoustics", available=True),
EquipmentCache(rentman_id="103", name="d&b T10", number="T10-001", category="Lautsprecher", brand="d&b audiotechnik", available=True),
]
for item in items:
session.add(item)
await session.commit()
return items