sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7fb5c4260898> def test_buffer_operation_order(sample_data) -> None: storage = get_storage_with_buffer_config() # Wrap the inner storage in a mock to track all method calls. storage.storage = mocked_storage = Mock(wraps=storage.storage) # Simulate a loader: add contents, directories, revisions, releases, then # snapshots. storage.content_add(sample_data.contents) storage.skipped_content_add(sample_data.skipped_contents) storage.directory_add(sample_data.directories) storage.revision_add(sample_data.revisions) storage.release_add(sample_data.releases) storage.snapshot_add(sample_data.snapshots) # Check that nothing has been flushed yet assert mocked_storage.method_calls == [] # Flush all the things > storage.flush() .tox/py3/lib/python3.7/site-packages/swh/storage/tests/test_buffer.py:599: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3/lib/python3.7/site-packages/swh/storage/buffer.py:155: in flush stats = add_fn(list(batch)) /usr/lib/python3.7/unittest/mock.py:960: in __call__ return _mock_self._mock_call(*args, **kwargs) /usr/lib/python3.7/unittest/mock.py:1035: in _mock_call return self._mock_wraps(*args, **kwargs) .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:484: in revision_add revisions = list(set(revisions)) <attrs generated hash swh.model.model.Revision>:15: in __hash__ self.extra_headers, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = ImmutableDict({'checksums': {'sha1': 'tarball-sha1', 'sha256': 'tarball-sha256'}, 'signed-off-by': 'some-dude'}) def __hash__(self): > return hash(tuple(sorted(self.data))) E TypeError: unhashable type: 'dict' .tox/py3/lib/python3.7/site-packages/swh/model/collections.py:49: TypeError