self = <swh.storage.tests.test_cassandra.TestCassandraStorage object at 0x7f1c944767b8> swh_storage = <swh.storage.validate.ValidatingProxyStorage object at 0x7f1cd4664cc0> def test_origin_visit_get_by(self, swh_storage): origin_url = swh_storage.origin_add_one(data.origin) origin_url2 = 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"], ) ] ) # Add some other {origin, visit} entries visit2 = OriginVisit( origin=origin_url, date=data.date_visit3, type=data.type_visit3, ) visit3 = OriginVisit( origin=origin_url2, date=data.date_visit3, type=data.type_visit3, ) swh_storage.origin_visit_add([visit2, visit3]) # when visit1_metadata = { "contents": 42, "directories": 22, } swh_storage.origin_visit_status_add( [ OriginVisitStatus( origin=origin_url, visit=origin_visit1.visit, date=now(), status="full", snapshot=data.snapshot["id"], > metadata=visit1_metadata, ) ] ) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/test_storage.py:2031: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:844: in origin_visit_status_add self._origin_visit_status_add(visit_status) .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:832: in _origin_visit_status_add self._cql_runner.origin_visit_status_add_one(visit_status) .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/cql.py:106: in newf self, *args, **kwargs, statement=self._prepared_statements[f.__name__] .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/cql.py:782: in origin_visit_status_add_one metadata = json.dumps(visit_update.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 0x7f1d7f1a8d30> 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