test: verify real kbqa workflow

backend/tests/conftest.py

@@ -0,0 +1,22 @@
+from collections.abc import AsyncIterator
+
+import pytest_asyncio
+from sqlalchemy import event
+from sqlalchemy.ext.asyncio import AsyncEngine, create_async_engine
+
+from kbqa.database import Base
+import kbqa.models  # noqa: F401
+
+
+@pytest_asyncio.fixture
+async def sqlite_engine(tmp_path) -> AsyncIterator[AsyncEngine]:
+    engine = create_async_engine(f"sqlite+aiosqlite:///{tmp_path / 'test.sqlite3'}")
+
+    @event.listens_for(engine.sync_engine, "connect")
+    def enable_foreign_keys(connection, _record) -> None:
+        connection.execute("PRAGMA foreign_keys=ON")
+
+    async with engine.begin() as connection:
+        await connection.run_sync(Base.metadata.create_all)
+    yield engine
+    await engine.dispose()