import json import moto.server as server from moto import mock_aws """ Test the different server responses """ @mock_aws def test_mediastore_lists_containers(): backend = server.create_backend_app("mediastore") test_client = backend.test_client() res = test_client.get( "/", headers={"X-Amz-Target": "MediaStore_20170901.ListContainers"} ) result = res.data.decode("utf-8") assert json.loads(result) == {"Containers": [], "NextToken": None}