updated the architecture

tests/conftest.py

@@ -0,0 +1,70 @@
+import pytest
+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
+from app.models.user import User
+from app.utils.auth import create_access_token, hash_password
+
+TEST_DB_URL = "sqlite+aiosqlite://"
+
+test_engine = create_async_engine(TEST_DB_URL, echo=False)
+TestSessionLocal = async_sessionmaker(
+    bind=test_engine, class_=AsyncSession, expire_on_commit=False
+)
+
+
+async def override_get_db():
+    async with TestSessionLocal() as session:
+        try:
+            yield session
+            await session.commit()
+        except Exception:
+            await session.rollback()
+            raise
+
+
+app.dependency_overrides[get_db] = override_get_db
+
+
+@pytest.fixture(autouse=True)
+async def setup_db():
+    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)
+
+
+@pytest.fixture
+def client():
+    from fastapi.testclient import TestClient
+    return TestClient(app)
+
+
+@pytest.fixture
+async def async_client():
+    transport = ASGITransport(app=app)
+    async with AsyncClient(transport=transport, base_url="http://test") as ac:
+        yield ac
+
+
+@pytest.fixture
+async def test_user():
+    async with TestSessionLocal() as session:
+        user = User(
+            email="test@example.com",
+            username="testuser",
+            hashed_password=hash_password("testpassword123"),
+        )
+        session.add(user)
+        await session.commit()
+        await session.refresh(user)
+        return user
+
+
+@pytest.fixture
+async def auth_headers(test_user):
+    token = create_access_token(test_user.id)
+    return {"Authorization": f"Bearer {token}"}