self = <swh.storage.tests.test_in_memory.TestInMemoryStorage object at 0x7f388c4cfc18> swh_storage = <swh.storage.in_memory.InMemoryStorage object at 0x7f388c4cf710> sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7f3876e65748> def test_content_add_metadata_collision(self, swh_storage, sample_data): cont1 = attr.evolve(sample_data.content, data=None, ctime=now()) # create (corrupted) content with same sha1{,_git} but != sha256 sha1_git_array = bytearray(cont1.sha256) sha1_git_array[0] += 1 cont1b = attr.evolve(cont1, sha256=bytes(sha1_git_array)) with pytest.raises(HashCollision) as cm: > swh_storage.content_add_metadata([cont1, cont1b]) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/storage_tests.py:361: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:247: in content_add_metadata return self._content_add(content, with_data=False) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <swh.storage.in_memory.InMemoryStorage object at 0x7f388c4cf710> 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...3, status='visible', data=None, ctime=datetime.datetime(2021, 4, 29, 8, 21, 39, 797274, tzinfo=datetime.timezone.utc))] with_data = False 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