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# Copyright 2023 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
#
# https://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 contextlib import ContextDecorator
import pytest
from botocore.compat import HAS_CRT
from botocore.credentials import Credentials
from boto3.s3.transfer import (
TransferConfig,
create_transfer_manager,
has_minimum_crt_version,
)
from tests import mock, requires_crt
if HAS_CRT:
from s3transfer.crt import CRTTransferManager
class MockOptimizedInstance(ContextDecorator):
"""Helper class to simulate a CRT optimized EC2 instance."""
DEFAULT_LOCK_MOCK = mock.Mock()
def __init__(self, lock=DEFAULT_LOCK_MOCK, optimized=True):
self.acquire_process_lock = mock.patch(
'boto3.crt.acquire_crt_s3_process_lock'
)
self.acquire_process_lock.return_value = lock
self.is_optimized = mock.patch('awscrt.s3.is_optimized_for_system')
self.is_optimized.return_value = optimized
def __enter__(self, *args, **kwargs):
self.acquire_process_lock.start()
self.is_optimized.start()
def __exit__(self, *args, **kwargs):
self.acquire_process_lock.stop()
self.is_optimized.stop()
def create_mock_client(region_name='us-west-2'):
client = mock.Mock()
client.meta.region_name = region_name
client._get_credentials.return_value = Credentials(
'access', 'secret', 'token'
)
return client
class TestS3TransferWithCRT:
@requires_crt()
@MockOptimizedInstance()
def test_create_transfer_manager_on_optimized_instance(self):
client = create_mock_client()
config = TransferConfig()
transfer_manager = create_transfer_manager(client, config)
assert isinstance(transfer_manager, CRTTransferManager)
@requires_crt()
def test_minimum_crt_version(self):
assert has_minimum_crt_version((0, 16, 12)) is True
@pytest.mark.parametrize(
"bad_version",
(
None,
"0.1.0-dev",
"0.20",
object(),
),
)
@requires_crt()
def test_minimum_crt_version_bad_crt_version(self, bad_version):
with mock.patch("awscrt.__version__") as vers:
vers.return_value = bad_version
assert has_minimum_crt_version((0, 16, 12)) is False
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