text: #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you under the Apache License, Version 2.0 (the
  # "License"); you may not use this file except in compliance
  # with the License.  You may obtain a copy of the License at
  #
  #   http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing,
  # software distributed under the License is distributed on an
  # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  # KIND, either express or implied.  See the License for the
  # specific language governing permissions and limitations
  # under the License.
  #
  
  import unittest
  
  from moto import mock_ec2
  
  from airflow.providers.amazon.aws.hooks.ec2 import EC2Hook
  from airflow.providers.amazon.aws.operators.ec2_start_instance import EC2StartInstanceOperator
  
  
  class TestEC2Operator(unittest.TestCase):
      def test_init(self):
          ec2_operator = EC2StartInstanceOperator(
              task_id="task_test",
              instance_id="i-123abc",
              aws_conn_id="aws_conn_test",
              region_name="region-test",
              check_interval=3,
          )
          assert ec2_operator.task_id == "task_test"
          assert ec2_operator.instance_id == "i-123abc"
          assert ec2_operator.aws_conn_id == "aws_conn_test"
          assert ec2_operator.region_name == "region-test"
          assert ec2_operator.check_interval == 3
  
      @mock_ec2
      def test_start_instance(self):
          # create instance
          ec2_hook = EC2Hook()
          instances = ec2_hook.conn.create_instances(
              MaxCount=1,
              MinCount=1,
          )
          instance_id = instances[0].instance_id
  
          # start instance
          start_test = EC2StartInstanceOperator(
              task_id="start_test",
              instance_id=instance_id,
          )
          start_test.execute(None)
          # assert instance state is running
          assert ec2_hook.get_instance_state(instance_id=instance_id) == "running"
  