text: # Copyright 2019 Google LLC.
  #
  # 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.
  """Tests for tink.python.tink.integration.aws_kms_client."""
  from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  
  import os
  
  from absl.testing import absltest
  
  from tink.integration.awskms.aws_kms_client import AwsKmsClient
  
  CREDENTIAL_PATH = os.path.join(os.environ['TEST_SRCDIR'],
                                 'tink_base/testdata/aws_credentials_cc.txt')
  KEY_URI = 'aws-kms://arn:aws:kms:us-east-2:235739564943:key/3ee50705-5a82-4f5b-9753-05c4f473922f'
  BAD_KEY_URI = 'gcp-kms://projects/tink-test-infrastructure/locations/global/keyRings/unit-and-integration-testing/cryptoKeys/aead-key'
  
  
  class AwsKmsClientTest(absltest.TestCase):
  
    def test_client_generation(self):
      aws_client = AwsKmsClient(KEY_URI, CREDENTIAL_PATH)
      self.assertNotEqual(aws_client, None)
  
    def test_wrong_key_uri(self):
      with self.assertRaises(ValueError):
        AwsKmsClient(BAD_KEY_URI, CREDENTIAL_PATH)
  
    def test_client_not_bound(self):
      gcp_key1 = 'gcp-kms://projects/someProject/.../cryptoKeys/key1'
  
      aws_client = AwsKmsClient(KEY_URI, CREDENTIAL_PATH)
  
      self.assertEqual(aws_client.does_support(KEY_URI), True)
      self.assertEqual(aws_client.does_support(gcp_key1), False)
  
    def test_wrong_credentials_path(self):
      with self.assertRaises(ValueError):
        AwsKmsClient(KEY_URI, '../credentials.txt')
  
  
  if __name__ == '__main__':
    absltest.main()
  