migration and testing

tests/test_database_smoke.py

@@ -0,0 +1,12 @@
+import pytest
+from app import create_app, db
+from sqlalchemy import inspect
+
+def test_database_smoke(tmp_path):
+    db_file = tmp_path / "test.db"
+    app = create_app({"TESTING": True, "SQLALCHEMY_DATABASE_URI": f"sqlite:///{db_file}"})
+    with app.app_context():
+        db.drop_all()
+        db.create_all()
+        tables = inspect(db.engine).get_table_names()
+        assert 'users' in tables or 'user' in tables