def test_safe_embedding_lookup_sparse_no_weights(self):
    with self.cached_session():
      embedding_weights = self._random_weights()
      sparse_ids, _ = self._ids_and_weights_2d()

      embedding_lookup_result = (
          embedding_ops.safe_embedding_lookup_sparse_v2(embedding_weights,
                                                        sparse_ids, None))

      self.assertAllClose(
          embedding_lookup_result,
          [(embedding_weights[0][0] + embedding_weights[0][1]) / 2.0, [0] * 4,
           [0] * 4, embedding_weights[0][2], (
               embedding_weights[0][0] + embedding_weights[0][1]) / 2.0])