def test_debian_origins_from_row__no_result(): """Tests debian_origins_from_row when there's no origin, visit, status, snapshot, branch, or matching branch. """ storage = Mock() origin_url = "deb://Debian/packages/kalgebra" revision_row = { "id": b"\x00\x00\x03l1\x1e\xf3:(\x1b\x05h\x8fn\xad\xcf\xc0\x94:\xee", "metadata": {"original_artifact": [{"filename": "kalgebra_19.12.1-1.dsc",},]}, } # no visit with patch("iter_origin_visits", return_value=[]): > assert debian_origins_from_row(revision_row, storage) == [] .tox/py3/lib/python3.7/site-packages/swh/storage/tests/migrate_extrinsic_metadata/test_debian.py:173: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ row = {'id': b'\x00\x00\x03l1\x1e\xf3:(\x1b\x05h\x8fn\xad\xcf\xc0\x94:\xee', 'metadata': {'original_artifact': [{'filename': 'kalgebra_19.12.1-1.dsc'}]}} storage = <Mock id='140634306689456'> def debian_origins_from_row(row, storage): """Guesses a Debian origin from a row. May return an empty list if it cannot reliably guess it, but all results are guaranteed to be correct.""" filenames = [entry["filename"] for entry in row["metadata"]["original_artifact"]] package_names = {filename.split("_")[0] for filename in filenames} assert len(package_names) == 1, package_names > package_name = package_names[0] E TypeError: 'set' object is not subscriptable .tox/py3/lib/python3.7/site-packages/swh/storage/migrate_extrinsic_metadata.py:210: TypeError