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# mypy: disable-error-code="no-untyped-def,no-untyped-call"
# Copyright 2017 Elisey Zanko
#
# 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.
import unittest
from tenacity import RetryError, retry, stop_after_attempt
from tenacity import tornadoweb
from tornado import gen
from tornado import testing
from .test_tenacity import NoIOErrorAfterCount
@retry
@gen.coroutine
def _retryable_coroutine(thing):
yield gen.sleep(0.00001)
thing.go()
@retry(stop=stop_after_attempt(2))
@gen.coroutine
def _retryable_coroutine_with_2_attempts(thing):
yield gen.sleep(0.00001)
thing.go()
class TestTornado(testing.AsyncTestCase): # type: ignore[misc]
@testing.gen_test
def test_retry(self):
assert gen.is_coroutine_function(_retryable_coroutine)
thing = NoIOErrorAfterCount(5)
yield _retryable_coroutine(thing)
assert thing.counter == thing.count
@testing.gen_test
def test_stop_after_attempt(self):
assert gen.is_coroutine_function(_retryable_coroutine)
thing = NoIOErrorAfterCount(2)
try:
yield _retryable_coroutine_with_2_attempts(thing)
except RetryError:
assert thing.counter == 2
def test_repr(self):
repr(tornadoweb.TornadoRetrying())
def test_old_tornado(self):
old_attr = gen.is_coroutine_function
try:
del gen.is_coroutine_function
# is_coroutine_function was introduced in tornado 4.5;
# verify that we don't *completely* fall over on old versions
@retry
def retryable(thing):
pass
finally:
gen.is_coroutine_function = old_attr
if __name__ == "__main__":
unittest.main()
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