self = <swh.storage.tests.test_in_memory.TestInMemoryStorage object at 0x7f386e0d0a90> swh_storage = <swh.storage.in_memory.InMemoryStorage object at 0x7f386e0d04e0> sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7f3851c2fc18> def test_content_find_with_duplicate_sha256(self, swh_storage, sample_data): content = sample_data.content hashes = {} # Create fake data with colliding sha256 for hashalgo in ("sha1", "sha1_git", "blake2s256"): value = bytearray(getattr(content, hashalgo)) value[0] += 1 hashes[hashalgo] = bytes(value) duplicated_content = attr.evolve( content, sha1=hashes["sha1"], sha1_git=hashes["sha1_git"], blake2s256=hashes["blake2s256"], ) > swh_storage.content_add([content, duplicated_content]) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/storage_tests.py:3626: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:237: in content_add return self._content_add(list(contents), with_data=True) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <swh.storage.in_memory.InMemoryStorage object at 0x7f386e0d04e0> contents = [Content(sha1=b'4\x972t\xcc\xefj\xb4\xdf\xaa\xf8e\x99y/\xa9\xc3\xfeF\x89', sha1_git=b'\xd8\x1c\xc0q\x0e\xb6\xcf\x9e\xf... status='visible', data=b'42\n', ctime=datetime.datetime(2021, 4, 29, 8, 22, 8, 591439, tzinfo=datetime.timezone.utc))] with_data = True def _content_add(self, contents: List[Content], with_data: bool) -> Dict: # Filter-out content already in the database. > if not self._allow_overwrite: E AttributeError: 'InMemoryStorage' object has no attribute '_allow_overwrite' .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:155: AttributeError