File size: 2,666 Bytes
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Pytest configuration and global fixtures.
Initializes a temporary in-memory/file-based SQLite database for unit & integration tests.
"""
from __future__ import annotations
import asyncio
from typing import AsyncGenerator, Generator
import pytest
from httpx import ASGITransport, AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine, async_sessionmaker
import sys
import os
# Adjust path to import app, agents, and services modules (local dev & container support)
base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
sys.path.insert(0, os.path.join(base_dir, "backend"))
sys.path.insert(0, base_dir)
for extra_path in ["/app", "/agents", "/services"]:
if os.path.exists(extra_path) and extra_path not in sys.path:
sys.path.insert(0, extra_path)
from app.core.config import settings
from app.core.database import Base, get_db as db_get_db
from app.core.dependencies import get_db as dep_get_db
from app.main import app
# ── Test Database Configuration ───────────────────────────────
TEST_DB_URL = "sqlite+aiosqlite:///:memory:"
test_engine = create_async_engine(
TEST_DB_URL,
connect_args={"check_same_thread": False},
)
TestAsyncSessionLocal = async_sessionmaker(
bind=test_engine,
class_=AsyncSession,
expire_on_commit=False,
autocommit=False,
autoflush=False,
)
@pytest.fixture(scope="session", autouse=True)
async def init_test_db():
"""Create all tables in the test database on session startup."""
async with test_engine.begin() as conn:
await conn.run_sync(Base.metadata.create_all)
yield
async with test_engine.begin() as conn:
await conn.run_sync(Base.metadata.drop_all)
await test_engine.dispose()
@pytest.fixture
async def db_session() -> AsyncGenerator[AsyncSession, None]:
"""Provide an isolated database session per test with rollback safety."""
async with TestAsyncSessionLocal() as session:
try:
yield session
finally:
await session.rollback()
await session.close()
@pytest.fixture
async def client(db_session: AsyncSession) -> AsyncGenerator[AsyncClient, None]:
"""Provide an HTTPX AsyncClient with database session overridden."""
async def override_get_db():
yield db_session
app.dependency_overrides[db_get_db] = override_get_db
app.dependency_overrides[dep_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()
|