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# Copyright 2012-2014 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.
from tests import unittest
import itertools
from nose.plugins.attrib import attr
import botocore.session
from botocore.exceptions import ClientError
class TestEC2(unittest.TestCase):
def setUp(self):
self.session = botocore.session.get_session()
self.client = self.session.create_client(
'ec2', region_name='us-west-2')
def test_can_make_request(self):
# Basic smoke test to ensure we can talk to ec2.
result = self.client.describe_availability_zones()
zones = list(
sorted(a['ZoneName'] for a in result['AvailabilityZones']))
self.assertTrue(
set(['us-west-2a', 'us-west-2b', 'us-west-2c']).issubset(zones))
def test_get_console_output_handles_error(self):
# Want to ensure the underlying ClientError is propogated
# on error.
with self.assertRaises(ClientError):
self.client.get_console_output(InstanceId='i-12345')
class TestEC2Pagination(unittest.TestCase):
def setUp(self):
self.session = botocore.session.get_session()
self.client = self.session.create_client(
'ec2', region_name='us-west-2')
def test_can_paginate(self):
# Using an operation that we know will paginate.
paginator = self.client.get_paginator(
'describe_reserved_instances_offerings')
pages = paginator.paginate()
results = list(itertools.islice(pages, 0, 3))
self.assertEqual(len(results), 3)
self.assertTrue(results[0]['NextToken'] != results[1]['NextToken'])
def test_can_paginate_with_page_size(self):
# Using an operation that we know will paginate.
paginator = self.client.get_paginator(
'describe_reserved_instances_offerings')
pages = paginator.paginate(PaginationConfig={'PageSize': 1})
results = list(itertools.islice(pages, 0, 3))
self.assertEqual(len(results), 3)
for parsed in results:
reserved_inst_offer = parsed['ReservedInstancesOfferings']
# There should be no more than one reserved instance
# offering on each page.
self.assertLessEqual(len(reserved_inst_offer), 1)
def test_can_fall_back_to_old_starting_token(self):
# Using an operation that we know will paginate.
paginator = self.client.get_paginator(
'describe_reserved_instances_offerings')
pages = paginator.paginate(PaginationConfig={'NextToken': 'None___1'})
try:
results = list(itertools.islice(pages, 0, 3))
self.assertEqual(len(results), 3)
self.assertTrue(results[0]['NextToken'] != results[1]['NextToken'])
except ValueError:
self.fail("Old style paginator failed.")
if __name__ == '__main__':
unittest.main()
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