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# Copyright 2017 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License 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 unittest import mock
import pytest # type: ignore
from google.resumable_media import common
class TestInvalidResponse(object):
def test_constructor(self):
response = mock.sentinel.response
error = common.InvalidResponse(response, 1, "a", [b"m"], True)
assert error.response is response
assert error.args == (1, "a", [b"m"], True)
class TestRetryStrategy(object):
def test_constructor_defaults(self):
retry_strategy = common.RetryStrategy()
assert retry_strategy.max_sleep == common.MAX_SLEEP
assert retry_strategy.max_cumulative_retry == common.MAX_CUMULATIVE_RETRY
assert retry_strategy.max_retries is None
def test_constructor_failure(self):
with pytest.raises(ValueError) as exc_info:
common.RetryStrategy(max_cumulative_retry=600.0, max_retries=12)
exc_info.match(common._SLEEP_RETRY_ERROR_MSG)
def test_constructor_custom_delay_and_multiplier(self):
retry_strategy = common.RetryStrategy(initial_delay=3.0, multiplier=4)
assert retry_strategy.max_sleep == common.MAX_SLEEP
assert retry_strategy.max_cumulative_retry == common.MAX_CUMULATIVE_RETRY
assert retry_strategy.max_retries is None
assert retry_strategy.initial_delay == 3.0
assert retry_strategy.multiplier == 4
def test_constructor_explicit_bound_cumulative(self):
max_sleep = 10.0
max_cumulative_retry = 100.0
retry_strategy = common.RetryStrategy(
max_sleep=max_sleep, max_cumulative_retry=max_cumulative_retry
)
assert retry_strategy.max_sleep == max_sleep
assert retry_strategy.max_cumulative_retry == max_cumulative_retry
assert retry_strategy.max_retries is None
def test_constructor_explicit_bound_retries(self):
max_sleep = 13.75
max_retries = 14
retry_strategy = common.RetryStrategy(
max_sleep=max_sleep, max_retries=max_retries
)
assert retry_strategy.max_sleep == max_sleep
assert retry_strategy.max_cumulative_retry is None
assert retry_strategy.max_retries == max_retries
def test_retry_allowed_bound_cumulative(self):
retry_strategy = common.RetryStrategy(max_cumulative_retry=100.0)
assert retry_strategy.retry_allowed(50.0, 10)
assert retry_strategy.retry_allowed(99.0, 7)
assert retry_strategy.retry_allowed(100.0, 4)
assert not retry_strategy.retry_allowed(101.0, 11)
assert not retry_strategy.retry_allowed(200.0, 6)
def test_retry_allowed_bound_retries(self):
retry_strategy = common.RetryStrategy(max_retries=6)
assert retry_strategy.retry_allowed(1000.0, 5)
assert retry_strategy.retry_allowed(99.0, 6)
assert not retry_strategy.retry_allowed(625.5, 7)
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