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Diffstat (limited to 'src/python/_framework/face/testing/base_util.py')
| -rw-r--r-- | src/python/_framework/face/testing/base_util.py | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/python/_framework/face/testing/base_util.py b/src/python/_framework/face/testing/base_util.py new file mode 100644 index 0000000000..d9ccb3af8f --- /dev/null +++ b/src/python/_framework/face/testing/base_util.py @@ -0,0 +1,102 @@ +# 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. + +"""Utilities for creating Base-layer objects for use in Face-layer tests.""" + +import abc + +# interfaces is referenced from specification in this module. +from _framework.base import util as _base_util +from _framework.base.packets import implementations +from _framework.base.packets import in_memory +from _framework.base.packets import interfaces # pylint: disable=unused-import +from _framework.foundation import logging_pool + +_POOL_SIZE_LIMIT = 20 + +_MAXIMUM_TIMEOUT = 90 + + +class LinkedPair(object): + """A Front and Back that are linked to one another. + + Attributes: + front: An interfaces.Front. + back: An interfaces.Back. + """ + + __metaclass__ = abc.ABCMeta + + @abc.abstractmethod + def shut_down(self): + """Shuts down this object and releases its resources.""" + raise NotImplementedError() + + +class _LinkedPair(LinkedPair): + + def __init__(self, front, back, pools): + self.front = front + self.back = back + self._pools = pools + + def shut_down(self): + _base_util.wait_for_idle(self.front) + _base_util.wait_for_idle(self.back) + + for pool in self._pools: + pool.shutdown(wait=True) + + +def linked_pair(servicer, default_timeout): + """Creates a Server and Stub linked together for use.""" + link_pool = logging_pool.pool(_POOL_SIZE_LIMIT) + front_work_pool = logging_pool.pool(_POOL_SIZE_LIMIT) + front_transmission_pool = logging_pool.pool(_POOL_SIZE_LIMIT) + front_utility_pool = logging_pool.pool(_POOL_SIZE_LIMIT) + back_work_pool = logging_pool.pool(_POOL_SIZE_LIMIT) + back_transmission_pool = logging_pool.pool(_POOL_SIZE_LIMIT) + back_utility_pool = logging_pool.pool(_POOL_SIZE_LIMIT) + pools = ( + link_pool, + front_work_pool, front_transmission_pool, front_utility_pool, + back_work_pool, back_transmission_pool, back_utility_pool) + + link = in_memory.Link(link_pool) + front = implementations.front( + front_work_pool, front_transmission_pool, front_utility_pool) + back = implementations.back( + servicer, back_work_pool, back_transmission_pool, back_utility_pool, + default_timeout, _MAXIMUM_TIMEOUT) + front.join_rear_link(link) + link.join_fore_link(front) + back.join_fore_link(link) + link.join_rear_link(back) + + return _LinkedPair(front, back, pools) |