def test_negative_scalar_index(adata, index: int, obs: bool):
    pos_index = index + (adata.n_obs if obs else adata.n_vars)

    if obs:
        adata_pos_subset = adata[pos_index]
        adata_neg_subset = adata[index]
    else:
        adata_pos_subset = adata[:, pos_index]
        adata_neg_subset = adata[:, index]

    np.testing.assert_array_equal(
        adata_pos_subset.obs_names, adata_neg_subset.obs_names
    )
    np.testing.assert_array_equal(
        adata_pos_subset.var_names, adata_neg_subset.var_names
    )
def test_call_with_kwargs(self):
        mock_scope_func = Mock()
        SessionMaker = sa.orm.sessionmaker()
        Session = scoped_session(sa.orm.sessionmaker(), mock_scope_func)

        s0 = SessionMaker()
        assert s0.autoflush == True

        mock_scope_func.return_value = 0
        s1 = Session()
        assert s1.autoflush == True

        assert_raises_message(
            sa.exc.InvalidRequestError,
            "Scoped session is already present",
            Session,
            autoflush=False,
        )

        mock_scope_func.return_value = 1
        s2 = Session(autoflush=False)
        assert s2.autoflush == False