tests/util/failpoints_util.py

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from tests.common.impala_test_suite import ImpalaTestSuite, LOG


def execute_query_expect_debug_action_failure(impala_test_suite, query, vector):
  """Executes the given query with the configured debug_action and asserts that the
  query fails. Removes the debug_action from the exec options, re-runs the query, and
  assert that it succeeds."""
  assert 'debug_action' in vector.get_value('exec_option')
  # Run the query with the given debug_action and assert that the query fails.
  # execute_query_expect_failure either returns the client exception thrown when executing
  # the query, or the result of the query if it failed but did the client did not throw an
  # exception. Either way, log the result.
  LOG.debug(ImpalaTestSuite.execute_query_expect_failure(
      impala_test_suite.client, query, vector.get_value('exec_option')))

  # Assert that the query can be run without the debug_action.
  del vector.get_value('exec_option')['debug_action']
  result = impala_test_suite.execute_query(query, vector.get_value('exec_option'))
  assert result.success, "Failed to run {0} without debug action".format(query)