self = <swh.storage.tests.test_tenacious.TestTenaciousStorage object at 0x7fdc04afbda0> swh_storage = <swh.storage.proxies.tenacious.TenaciousProxyStorage object at 0x7fdc04e68438> sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7fdae42abf60> def test_snapshot_add_many(self, swh_storage, sample_data): snapshot, _, complete_snapshot = sample_data.snapshots[:3] actual_result = swh_storage.snapshot_add([snapshot, complete_snapshot]) assert actual_result == {"snapshot:add": 2} assert swh_storage.snapshot_get(complete_snapshot.id) == { **complete_snapshot.to_dict(), "next_branch": None, } assert swh_storage.snapshot_get(snapshot.id) == { **snapshot.to_dict(), "next_branch": None, } if not isinstance(swh_storage, (CassandraStorage, RemoteStorage)): swh_storage.refresh_stat_counters() > assert swh_storage.stat_counters()["snapshot"] == 2 .tox/py3/lib/python3.7/site-packages/swh/storage/tests/storage_tests.py:3135: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <swh.storage.in_memory.InMemoryStorage object at 0x7fdc04e68da0> def stat_counters(self): > raise NotImplementedError() E NotImplementedError .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:1293: NotImplementedError