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# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Tests for grpc.framework.foundation.logging_pool."""
import threading
import unittest
from grpc.framework.foundation import logging_pool
_POOL_SIZE = 16
class _CallableObject(object):
def __init__(self):
self._lock = threading.Lock()
self._passed_values = []
def __call__(self, value):
with self._lock:
self._passed_values.append(value)
def passed_values(self):
with self._lock:
return tuple(self._passed_values)
class LoggingPoolTest(unittest.TestCase):
def testUpAndDown(self):
pool = logging_pool.pool(_POOL_SIZE)
pool.shutdown(wait=True)
with logging_pool.pool(_POOL_SIZE) as pool:
self.assertIsNotNone(pool)
def testTaskExecuted(self):
test_list = []
with logging_pool.pool(_POOL_SIZE) as pool:
pool.submit(lambda: test_list.append(object())).result()
self.assertTrue(test_list)
def testException(self):
with logging_pool.pool(_POOL_SIZE) as pool:
raised_exception = pool.submit(lambda: 1/0).exception()
self.assertIsNotNone(raised_exception)
def testCallableObjectExecuted(self):
callable_object = _CallableObject()
passed_object = object()
with logging_pool.pool(_POOL_SIZE) as pool:
future = pool.submit(callable_object, passed_object)
self.assertIsNone(future.result())
self.assertSequenceEqual((passed_object,), callable_object.passed_values())
if __name__ == '__main__':
unittest.main(verbosity=2)
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