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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, mock
class RecordingHandler:
def __init__(self):
self.recorded_events = []
def record(self, event_name, **kwargs):
self.recorded_events.append((event_name, kwargs))
class TestClientEvents(BaseSessionTest):
def setUp(self):
super().setUp()
self.region = 'us-west-2'
self.client = self.session.create_client('ec2', self.region)
def test_emit_response_received(self):
recording_handler = RecordingHandler()
self.client.meta.events.register(
'response-received.ec2.DescribeRegions', recording_handler.record
)
with mock.patch(
'botocore.httpsession.URLLib3Session.send'
) as mock_send:
response_body = (
b'<?xml version="1.0" ?>'
b'<DescribeRegionsResponse xmlns="">'
b'</DescribeRegionsResponse>'
)
mock_send.return_value = mock.Mock(
status_code=200, headers={}, content=response_body
)
self.client.describe_regions()
self.assertEqual(
recording_handler.recorded_events,
[
(
'response-received.ec2.DescribeRegions',
{
'exception': None,
'response_dict': {
'body': response_body,
'headers': {},
'context': mock.ANY,
'status_code': 200,
},
'parsed_response': {'ResponseMetadata': mock.ANY},
'context': mock.ANY,
},
)
],
)
def test_emit_response_received_for_exception(self):
recording_handler = RecordingHandler()
self.client.meta.events.register(
'response-received.ec2.DescribeRegions', recording_handler.record
)
with mock.patch(
'botocore.httpsession.URLLib3Session.send'
) as mock_send:
raised_exception = RuntimeError('Unexpected exception')
mock_send.side_effect = raised_exception
with self.assertRaises(RuntimeError):
self.client.describe_regions()
self.assertEqual(
recording_handler.recorded_events,
[
(
'response-received.ec2.DescribeRegions',
{
'exception': raised_exception,
'response_dict': None,
'parsed_response': None,
'context': mock.ANY,
},
)
],
)
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