92 lines
3.3 KiB
Python
92 lines
3.3 KiB
Python
# Copyright 2012-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"). You
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# may not use this file except in compliance with the License. A copy of
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# the License is located at
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#
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# http://aws.amazon.com/apache2.0/
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#
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# or in the "license" file accompanying this file. This file is
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# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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# ANY KIND, either express or implied. See the License for the specific
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# language governing permissions and limitations under the License.
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import itertools
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import botocore.session
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from botocore.exceptions import ClientError
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from tests import unittest
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class TestEC2(unittest.TestCase):
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def setUp(self):
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self.session = botocore.session.get_session()
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self.client = self.session.create_client(
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'ec2', region_name='us-west-2'
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)
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def test_can_make_request(self):
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# Basic smoke test to ensure we can talk to ec2.
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result = self.client.describe_availability_zones()
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zones = list(
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sorted(a['ZoneName'] for a in result['AvailabilityZones'])
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)
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self.assertTrue(
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{'us-west-2a', 'us-west-2b', 'us-west-2c'}.issubset(zones)
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)
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def test_get_console_output_handles_error(self):
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# Want to ensure the underlying ClientError is propogated
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# on error.
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with self.assertRaises(ClientError):
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self.client.get_console_output(InstanceId='i-12345')
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class TestEC2Pagination(unittest.TestCase):
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def setUp(self):
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self.session = botocore.session.get_session()
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self.client = self.session.create_client(
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'ec2', region_name='us-west-2'
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)
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def test_can_paginate(self):
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# Using an operation that we know will paginate.
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paginator = self.client.get_paginator(
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'describe_reserved_instances_offerings'
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)
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pages = paginator.paginate()
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results = list(itertools.islice(pages, 0, 3))
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self.assertEqual(len(results), 3)
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self.assertTrue(results[0]['NextToken'] != results[1]['NextToken'])
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def test_can_paginate_with_page_size(self):
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# Using an operation that we know will paginate.
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paginator = self.client.get_paginator(
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'describe_reserved_instances_offerings'
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)
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pages = paginator.paginate(PaginationConfig={'PageSize': 1})
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results = list(itertools.islice(pages, 0, 3))
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self.assertEqual(len(results), 3)
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for parsed in results:
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reserved_inst_offer = parsed['ReservedInstancesOfferings']
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# There should be no more than one reserved instance
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# offering on each page.
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self.assertLessEqual(len(reserved_inst_offer), 1)
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def test_can_fall_back_to_old_starting_token(self):
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# Using an operation that we know will paginate.
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paginator = self.client.get_paginator(
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'describe_reserved_instances_offerings'
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)
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pages = paginator.paginate(PaginationConfig={'NextToken': 'None___1'})
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try:
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results = list(itertools.islice(pages, 0, 3))
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self.assertEqual(len(results), 3)
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self.assertTrue(results[0]['NextToken'] != results[1]['NextToken'])
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except ValueError:
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self.fail("Old style paginator failed.")
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if __name__ == '__main__':
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unittest.main()
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