new_contents: # -*- coding: utf-8 -*-
  # Copyright 2022-present ScyllaDB
  #
  # SPDX-License-Identifier: AGPL-3.0-or-later
  
  #############################################################################
  # Tests for batch operations
  #############################################################################
  
  from util import unique_name
  
  import pytest
  
  
  @pytest.fixture(scope="module")
  def table1(cql, test_keyspace):
      table = test_keyspace + "." + unique_name()
      cql.execute(f"CREATE TABLE {table} (k int primary key, t text)")
      yield table
      cql.execute("DROP TABLE " + table)
  
  
  @pytest.mark.xfail(reason="Scylla does not send warnings for batch: https://github.com/scylladb/scylla/issues/10196")
  def test_warnings_are_returned_in_response(cql, table1):
      """Verifies if response contains warning messages.
      Because warning message threshold is different for Scylla and Cassandra,
      test tries several sizes until warning appears.
      """
      for size_in_kb in [10, 129, 256]:
          statements = [f"INSERT INTO {table1} (k, t) VALUES ({idx}, '{'x' * 743}')" for idx in range(size_in_kb)]
          over_sized_batch = "BEGIN BATCH\n" + "\n".join(statements) + "\n APPLY BATCH\n"
          response_future = cql.execute_async(over_sized_batch)
          response_future.result()
          if response_future.warnings:
              break
      else:
          pytest.fail('Oversized batch did not generate a warning')
  
      # example message for Cassandra:
      # 'Batch for [cql_test_1647006065554.cql_test_1647006065623] is of size 7590,
      # exceeding specified threshold of 5120 by 2470.'
      assert "exceeding specified" in response_future.warnings[0]
  
subject: add warnings test