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# Copyright 2018 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 BaseSessionTest, ClientHTTPStubber
from botocore.config import Config
from botocore.compat import json
class TestDynamoDBEndpointDiscovery(BaseSessionTest):
def setUp(self):
super(TestDynamoDBEndpointDiscovery, self).setUp()
self.region = 'us-west-2'
self.config = Config(endpoint_discovery_enabled=True)
self.create_client()
def create_client(self):
self.client = self.session.create_client(
'dynamodb', self.region, config=self.config
)
self.http_stubber = ClientHTTPStubber(self.client)
def test_dynamodb_endpoint_discovery_enabled(self):
discovered_endpoint = 'https://discovered.domain'
response = {
'Endpoints': [{
'Address': discovered_endpoint,
'CachePeriodInMinutes': 1,
}]
}
response_body = json.dumps(response).encode()
with self.http_stubber as stubber:
stubber.add_response(status=200, body=response_body)
stubber.add_response(status=200, body=b'{}')
self.client.describe_table(TableName='sometable')
self.assertEqual(len(self.http_stubber.requests), 2)
discover_request = self.http_stubber.requests[1]
self.assertEqual(discover_request.url, discovered_endpoint)
def test_dynamodb_endpoint_discovery_disabled(self):
self.config = Config(endpoint_discovery_enabled=False)
self.create_client()
with self.http_stubber as stubber:
stubber.add_response(status=200, body=b'{}')
self.client.describe_table(TableName='sometable')
self.assertEqual(len(self.http_stubber.requests), 1)
def test_dynamodb_endpoint_discovery_no_config_default(self):
self.config = None
self.create_client()
with self.http_stubber as stubber:
stubber.add_response(status=200, body=b'{}')
self.client.describe_table(TableName='sometable')
self.assertEqual(len(self.http_stubber.requests), 1)
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