docstr: Test initialize ``EcsHook`` and ``boto3.client``.
docstr_tok: ["Test","initialize","``","EcsHook","``","and","``","boto3.client","``","."]
code: def test_hook_and_client(self, aws_conn_id, region_name):
      """Test initialize ``EcsHook`` and ``boto3.client``."""
      op_kw = {"aws_conn_id": aws_conn_id, "region": region_name}
      op_kw = {k: v for k, v in op_kw.items() if v is not NOTSET}
      op = EcsBaseSensor(task_id="test_ecs_base_hook_client", **op_kw)
  
      hook = op.hook
      assert op.hook is hook, "'hook' property should be cached."
      assert isinstance(op.hook, EcsHook)
  
      client = op.client
      assert op.client is client, "'client' property should be cached."
      assert client is self.fake_client
  
imports: from __future__ import annotations
  from typing import TypeVar
  from unittest import mock
  import boto3
  import pytest
  from slugify import slugify
  from airflow.exceptions import AirflowException, AirflowSkipException
  from airflow.providers.amazon.aws.sensors.ecs import EcsBaseSensor, EcsClusterStates, EcsClusterStateSensor, EcsHook, EcsTaskDefinitionStates, EcsTaskDefinitionStateSensor, EcsTaskStates, EcsTaskStateSensor, _check_failed
  from airflow.utils import timezone
  from airflow.utils.types import NOTSET
label_desc: Use image node_id 2 for calling the TestEcsBaseSensor obj's underlying member method code with example usage: obj.test_hook_and_client(aws_conn_id, region_name) without return types