swh_storage = <swh.storage.in_memory.InMemoryStorage object at 0x7f570bb61470> sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7f570bb7bf60> def test_snapshot_get_latest_none(swh_storage, sample_data): """Retrieve latest snapshot on unknown origin or origin without snapshot should yield no result """ # unknown origin so None assert snapshot_get_latest(swh_storage, "unknown-origin") is None # no snapshot on origin visit so None origin = sample_data.origin swh_storage.origin_add([origin]) origin_visit, origin_visit2 = sample_data.origin_visits[:2] assert origin_visit.origin == origin.url swh_storage.origin_visit_add([origin_visit]) assert snapshot_get_latest(swh_storage, origin.url) is None ov1 = swh_storage.origin_visit_get_latest(origin.url) > assert ov1 is not None E assert None is not None .tox/py3/lib/python3.7/site-packages/swh/storage/tests/algos/test_snapshot.py:76: AssertionError