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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.
"""Common construction and destruction for GRPC-backed Face-layer tests."""
import unittest
from grpc._adapter import fore
from grpc._adapter import rear
from grpc.framework.base import util
from grpc.framework.base import implementations as base_implementations
from grpc.framework.face import implementations as face_implementations
from grpc.framework.foundation import logging_pool
from grpc_test.framework.face.testing import coverage
from grpc_test.framework.face.testing import serial
from grpc_test.framework.face.testing import test_case
_TIMEOUT = 3
_MAXIMUM_TIMEOUT = 90
_MAXIMUM_POOL_SIZE = 4
class FaceTestCase(test_case.FaceTestCase, coverage.BlockingCoverage):
"""Provides abstract Face-layer tests a GRPC-backed implementation."""
def set_up_implementation(
self, name, methods, method_implementations,
multi_method_implementation):
pool = logging_pool.pool(_MAXIMUM_POOL_SIZE)
servicer = face_implementations.servicer(
pool, method_implementations, multi_method_implementation)
serialization = serial.serialization(methods)
fore_link = fore.ForeLink(
pool, serialization.request_deserializers,
serialization.response_serializers, None, ())
fore_link.start()
port = fore_link.port()
rear_link = rear.RearLink(
'localhost', port, pool,
serialization.request_serializers,
serialization.response_deserializers, False, None, None, None)
rear_link.start()
front = base_implementations.front_link(pool, pool, pool)
back = base_implementations.back_link(
servicer, pool, pool, pool, _TIMEOUT, _MAXIMUM_TIMEOUT)
fore_link.join_rear_link(back)
back.join_fore_link(fore_link)
rear_link.join_fore_link(front)
front.join_rear_link(rear_link)
stub = face_implementations.generic_stub(front, pool)
return stub, (rear_link, fore_link, front, back)
def tear_down_implementation(self, memo):
rear_link, fore_link, front, back = memo
# TODO(nathaniel): Waiting for the front and back to idle possibly should
# not be necessary - investigate as part of graceful shutdown work.
util.wait_for_idle(front)
util.wait_for_idle(back)
rear_link.stop()
fore_link.stop()
@unittest.skip('Service-side failure not transmitted by GRPC.')
def testFailedUnaryRequestUnaryResponse(self):
raise NotImplementedError()
@unittest.skip('Service-side failure not transmitted by GRPC.')
def testFailedUnaryRequestStreamResponse(self):
raise NotImplementedError()
@unittest.skip('Service-side failure not transmitted by GRPC.')
def testFailedStreamRequestUnaryResponse(self):
raise NotImplementedError()
@unittest.skip('Service-side failure not transmitted by GRPC.')
def testFailedStreamRequestStreamResponse(self):
raise NotImplementedError()
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