# Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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 botocore.session
from botocore.exceptions import ClientError
from tests import unittest


class TestSTS(unittest.TestCase):
    def setUp(self):
        self.session = botocore.session.get_session()
        credentials = self.session.get_credentials()
        if credentials.token is not None:
            self.skipTest('STS tests require long-term credentials')

    def test_regionalized_endpoints(self):
        sts = self.session.create_client('sts', region_name='ap-southeast-1')
        response = sts.get_session_token()
        # Do not want to be revealing any temporary keys if the assertion fails
        self.assertIn('Credentials', response.keys())

        # Since we have to activate STS regionalization, we will test
        # that you can send an STS request to a regionalized endpoint
        # by making a call with the explicitly wrong region name
        sts = self.session.create_client(
            'sts',
            region_name='ap-southeast-1',
            endpoint_url='https://sts.us-west-2.amazonaws.com',
        )
        self.assertEqual(sts.meta.region_name, 'ap-southeast-1')
        self.assertEqual(
            sts.meta.endpoint_url, 'https://sts.us-west-2.amazonaws.com'
        )
        # Signing error will be thrown with the incorrect region name included.
        with self.assertRaisesRegex(ClientError, 'ap-southeast-1'):
            sts.get_session_token()
