old_contents: # Copyright (C) 2015-2021 Regents of the University of California
  #
  # Licensed 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 logging
  import os
  
  from toil.lib.ec2 import (get_flatcar_ami,
                            official_flatcar_ami_release,
                            aws_marketplace_flatcar_ami_search,
                            establish_boto3_session)
  from toil.test import ToilTest
  
  logger = logging.getLogger(__name__)
  logging.basicConfig(level=logging.DEBUG)
  
  
  class AMITest(ToilTest):
      @classmethod
      def setUpClass(cls):
          session = establish_boto3_session(region_name='us-west-2')
          cls.ec2_client = session.client('ec2')
  
      def test_fetch_flatcar(self):
          with self.subTest('Test flatcar AMI from user is prioritized.'):
              os.environ['TOIL_AWS_AMI'] = 'overridden'
              ami = get_flatcar_ami(self.ec2_client)
              self.assertEqual(ami, 'overridden')
              del os.environ['TOIL_AWS_AMI']
  
          with self.subTest('Test flatcar AMI returns an AMI-looking AMI.'):
              ami = get_flatcar_ami(self.ec2_client)
              self.assertEqual(len(ami), len('ami-02b46c73fed689d1c'))
              self.assertTrue(ami.startswith('ami-'))
  
          with self.subTest('Test official_flatcar_ami_release() returns an AMI-looking AMI.'):
              ami = official_flatcar_ami_release(self.ec2_client)
              self.assertTrue(ami is None or len(ami) == len('ami-02b46c73fed689d1c'))
              self.assertTrue(ami is None or ami.startswith('ami-'))
  
          with self.subTest('Test aws_marketplace_flatcar_ami_search() returns an AMI-looking AMI.'):
              ami = aws_marketplace_flatcar_ami_search(self.ec2_client)
              self.assertEqual(len(ami), len('ami-02b46c73fed689d1c'))
              self.assertTrue(ami.startswith('ami-'))
  
new_contents: # Copyright (C) 2015-2021 Regents of the University of California
  #
  # Licensed 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 logging
  import os
  
  from toil.lib.ec2 import (get_flatcar_ami,
                            official_flatcar_ami_release,
                            aws_marketplace_flatcar_ami_search,
                            establish_boto3_session)
  from toil.test import ToilTest, needs_aws_ec2
  
  logger = logging.getLogger(__name__)
  logging.basicConfig(level=logging.DEBUG)
  
  
  @needs_aws_ec2
  class AMITest(ToilTest):
      @classmethod
      def setUpClass(cls):
          session = establish_boto3_session(region_name='us-west-2')
          cls.ec2_client = session.client('ec2')
  
      def test_fetch_flatcar(self):
          with self.subTest('Test flatcar AMI from user is prioritized.'):
              os.environ['TOIL_AWS_AMI'] = 'overridden'
              ami = get_flatcar_ami(self.ec2_client)
              self.assertEqual(ami, 'overridden')
              del os.environ['TOIL_AWS_AMI']
  
          with self.subTest('Test flatcar AMI returns an AMI-looking AMI.'):
              ami = get_flatcar_ami(self.ec2_client)
              self.assertEqual(len(ami), len('ami-02b46c73fed689d1c'))
              self.assertTrue(ami.startswith('ami-'))
  
          with self.subTest('Test official_flatcar_ami_release() returns an AMI-looking AMI.'):
              ami = official_flatcar_ami_release(self.ec2_client)
              self.assertTrue(ami is None or len(ami) == len('ami-02b46c73fed689d1c'))
              self.assertTrue(ami is None or ami.startswith('ami-'))
  
          with self.subTest('Test aws_marketplace_flatcar_ami_search() returns an AMI-looking AMI.'):
              ami = aws_marketplace_flatcar_ami_search(self.ec2_client)
              self.assertEqual(len(ami), len('ami-02b46c73fed689d1c'))
              self.assertTrue(ami.startswith('ami-'))
  
subject: Add needs_aws_ec2 tag.