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# Copyright 2016 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 datetime
import botocore.session
from botocore.compat import parse_qs, urlparse
from botocore.stub import ANY, Stubber
from tests import BaseSessionTest, ClientHTTPStubber, mock, unittest
class TestIdempotencyToken(unittest.TestCase):
def setUp(self):
self.function_name = 'purchase_scheduled_instances'
self.region = 'us-west-2'
self.session = botocore.session.get_session()
self.client = self.session.create_client('ec2', self.region)
self.stubber = Stubber(self.client)
self.service_response = {}
self.params_seen = []
# Record all the parameters that get seen
self.client.meta.events.register_first(
'before-call.*.*',
self.collect_params,
unique_id='TestIdempotencyToken',
)
def collect_params(self, model, params, *args, **kwargs):
self.params_seen.extend(params['body'].keys())
def test_provided_idempotency_token(self):
expected_params = {
'PurchaseRequests': [
{'PurchaseToken': 'foo', 'InstanceCount': 123}
],
'ClientToken': ANY,
}
self.stubber.add_response(
self.function_name, self.service_response, expected_params
)
with self.stubber:
self.client.purchase_scheduled_instances(
PurchaseRequests=[
{'PurchaseToken': 'foo', 'InstanceCount': 123}
],
ClientToken='foobar',
)
self.assertIn('ClientToken', self.params_seen)
def test_insert_idempotency_token(self):
expected_params = {
'PurchaseRequests': [
{'PurchaseToken': 'foo', 'InstanceCount': 123}
],
}
self.stubber.add_response(
self.function_name, self.service_response, expected_params
)
with self.stubber:
self.client.purchase_scheduled_instances(
PurchaseRequests=[
{'PurchaseToken': 'foo', 'InstanceCount': 123}
]
)
self.assertIn('ClientToken', self.params_seen)
class TestCopySnapshotCustomization(BaseSessionTest):
def setUp(self):
super().setUp()
self.session = botocore.session.get_session()
self.client = self.session.create_client('ec2', 'us-east-1')
self.http_stubber = ClientHTTPStubber(self.client)
self.snapshot_id = 'snap-0123abc'
self.copy_response = (
'<?xml version="1.0" encoding="UTF-8"?>\n'
'<CopySnapshotResponse>\n'
'<snapshotId>%s</snapshotId>\n'
'</CopySnapshotResponse>\n'
)
self.now = datetime.datetime(2011, 9, 9, 23, 36)
self.datetime_patch = mock.patch.object(
botocore.auth.datetime,
'datetime',
mock.Mock(wraps=datetime.datetime),
)
self.mocked_datetime = self.datetime_patch.start()
self.mocked_datetime.utcnow.return_value = self.now
def tearDown(self):
super().tearDown()
self.datetime_patch.stop()
def add_copy_snapshot_response(self, snapshot_id):
body = (self.copy_response % snapshot_id).encode('utf-8')
self.http_stubber.add_response(body=body)
def test_copy_snapshot_injects_presigned_url(self):
self.add_copy_snapshot_response(self.snapshot_id)
with self.http_stubber:
result = self.client.copy_snapshot(
SourceRegion='us-west-2',
SourceSnapshotId=self.snapshot_id,
)
self.assertEqual(result['SnapshotId'], self.snapshot_id)
self.assertEqual(len(self.http_stubber.requests), 1)
snapshot_request = self.http_stubber.requests[0]
body = parse_qs(snapshot_request.body)
self.assertIn('PresignedUrl', body)
presigned_url = urlparse(body['PresignedUrl'][0])
self.assertEqual(presigned_url.scheme, 'https')
self.assertEqual(presigned_url.netloc, 'ec2.us-west-2.amazonaws.com')
query_args = parse_qs(presigned_url.query)
self.assertEqual(query_args['Action'], ['CopySnapshot'])
self.assertEqual(query_args['Version'], ['2016-11-15'])
self.assertEqual(query_args['SourceRegion'], ['us-west-2'])
self.assertEqual(query_args['DestinationRegion'], ['us-east-1'])
self.assertEqual(query_args['SourceSnapshotId'], [self.snapshot_id])
self.assertEqual(query_args['X-Amz-Algorithm'], ['AWS4-HMAC-SHA256'])
expected_credential = 'access_key/20110909/us-west-2/ec2/aws4_request'
self.assertEqual(query_args['X-Amz-Credential'], [expected_credential])
self.assertEqual(query_args['X-Amz-Date'], ['20110909T233600Z'])
self.assertEqual(query_args['X-Amz-Expires'], ['3600'])
self.assertEqual(query_args['X-Amz-SignedHeaders'], ['host'])
expected_signature = (
'a94a6b52afdf3daa34c2e2a38a62b72c8dac129c9904c61aa1a5d86e38628537'
)
self.assertEqual(query_args['X-Amz-Signature'], [expected_signature])
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