self = <swh.storage.tests.test_cassandra.TestCassandraStorage object at 0x7f1c743665f8> swh_storage = <swh.storage.validate.ValidatingProxyStorage object at 0x7f1c74332ef0> def test_stat_counters(self, swh_storage): expected_keys = ["content", "directory", "origin", "revision"] # Initially, all counters are 0 swh_storage.refresh_stat_counters() counters = swh_storage.stat_counters() assert set(expected_keys) <= set(counters) for key in expected_keys: assert counters[key] == 0 # Add a content. Only the content counter should increase. swh_storage.content_add([data.cont]) swh_storage.refresh_stat_counters() counters = swh_storage.stat_counters() assert set(expected_keys) <= set(counters) for key in expected_keys: if key != "content": assert counters[key] == 0 assert counters["content"] == 1 # Add other objects. Check their counter increased as well. origin_url = swh_storage.origin_add_one(data.origin2) visit = OriginVisit( origin=origin_url, date=data.date_visit2, type=data.type_visit2, ) origin_visit1 = swh_storage.origin_visit_add([visit])[0] swh_storage.snapshot_add([data.snapshot]) swh_storage.origin_visit_status_add( [ OriginVisitStatus( origin=origin_url, visit=origin_visit1.visit, date=now(), status="ongoing", snapshot=data.snapshot["id"], ) ] ) swh_storage.directory_add([data.dir]) > swh_storage.revision_add([data.revision]) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/test_storage.py:2955: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3/lib/python3.7/site-packages/swh/storage/validate.py:104: in revision_add [dict_converter(Revision, r) for r in revisions] .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:433: in revision_add revobject = revision_to_db(revision) .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/converters.py:38: in revision_to_db db_revision["metadata"] = json.dumps(db_revision["metadata"]) /usr/lib/python3.7/json/__init__.py:231: in dumps return _default_encoder.encode(obj) /usr/lib/python3.7/json/encoder.py:199: in encode chunks = self.iterencode(o, _one_shot=True) /usr/lib/python3.7/json/encoder.py:257: in iterencode return _iterencode(o, 0) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <json.encoder.JSONEncoder object at 0x7f1d7fd98cc0> o = <swh.model.collections.ImmutableDict object at 0x7f1bcae16cc0> def default(self, o): """Implement this method in a subclass such that it returns a serializable object for ``o``, or calls the base implementation (to raise a ``TypeError``). For example, to support arbitrary iterators, you could implement default like this:: def default(self, o): try: iterable = iter(o) except TypeError: pass else: return list(iterable) # Let the base class default method raise the TypeError return JSONEncoder.default(self, o) """ > raise TypeError(f'Object of type {o.__class__.__name__} ' f'is not JSON serializable') E TypeError: Object of type ImmutableDict is not JSON serializable /usr/lib/python3.7/json/encoder.py:179: TypeError