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Diffstat (limited to 'src/python/grpcio_tests/tests/unit/framework/interfaces/base/test_cases.py')
| -rw-r--r-- | src/python/grpcio_tests/tests/unit/framework/interfaces/base/test_cases.py | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/src/python/grpcio_tests/tests/unit/framework/interfaces/base/test_cases.py b/src/python/grpcio_tests/tests/unit/framework/interfaces/base/test_cases.py deleted file mode 100644 index 5d16bf98be..0000000000 --- a/src/python/grpcio_tests/tests/unit/framework/interfaces/base/test_cases.py +++ /dev/null @@ -1,279 +0,0 @@ -# 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 of the base interface of RPC Framework.""" - -from __future__ import division - -import logging -import random -import threading -import time -import unittest - -from grpc.framework.foundation import logging_pool -from grpc.framework.interfaces.base import base -from grpc.framework.interfaces.base import utilities -from tests.unit.framework.common import test_constants -from tests.unit.framework.interfaces.base import _control -from tests.unit.framework.interfaces.base import test_interfaces - -_SYNCHRONICITY_VARIATION = (('Sync', False), ('Async', True)) - -_EMPTY_OUTCOME_KIND_DICT = { - outcome_kind: 0 for outcome_kind in base.Outcome.Kind} - - -class _Serialization(test_interfaces.Serialization): - - def serialize_request(self, request): - return request + request - - def deserialize_request(self, serialized_request): - return serialized_request[:len(serialized_request) // 2] - - def serialize_response(self, response): - return response * 3 - - def deserialize_response(self, serialized_response): - return serialized_response[2 * len(serialized_response) // 3:] - - -def _advance(quadruples, operator, controller): - try: - for quadruple in quadruples: - operator.advance( - initial_metadata=quadruple[0], payload=quadruple[1], - completion=quadruple[2], allowance=quadruple[3]) - except Exception as e: # pylint: disable=broad-except - controller.failed('Exception on advance: %e' % e) - - -class _Operator(base.Operator): - - def __init__(self, controller, on_advance, pool, operator_under_test): - self._condition = threading.Condition() - self._controller = controller - self._on_advance = on_advance - self._pool = pool - self._operator_under_test = operator_under_test - self._pending_advances = [] - - def set_operator_under_test(self, operator_under_test): - with self._condition: - self._operator_under_test = operator_under_test - pent_advances = self._pending_advances - self._pending_advances = [] - pool = self._pool - controller = self._controller - - if pool is None: - _advance(pent_advances, operator_under_test, controller) - else: - pool.submit(_advance, pent_advances, operator_under_test, controller) - - def advance( - self, initial_metadata=None, payload=None, completion=None, - allowance=None): - on_advance = self._on_advance( - initial_metadata, payload, completion, allowance) - if on_advance.kind is _control.OnAdvance.Kind.ADVANCE: - with self._condition: - pool = self._pool - operator_under_test = self._operator_under_test - controller = self._controller - - quadruple = ( - on_advance.initial_metadata, on_advance.payload, - on_advance.completion, on_advance.allowance) - if pool is None: - _advance((quadruple,), operator_under_test, controller) - else: - pool.submit(_advance, (quadruple,), operator_under_test, controller) - elif on_advance.kind is _control.OnAdvance.Kind.DEFECT: - raise ValueError( - 'Deliberately raised exception from Operator.advance (in a test)!') - - -class _ProtocolReceiver(base.ProtocolReceiver): - - def __init__(self): - self._condition = threading.Condition() - self._contexts = [] - - def context(self, protocol_context): - with self._condition: - self._contexts.append(protocol_context) - - -class _Servicer(base.Servicer): - """A base.Servicer with instrumented for testing.""" - - def __init__(self, group, method, controllers, pool): - self._condition = threading.Condition() - self._group = group - self._method = method - self._pool = pool - self._controllers = list(controllers) - - def service(self, group, method, context, output_operator): - with self._condition: - controller = self._controllers.pop(0) - if group != self._group or method != self._method: - controller.fail( - '%s != %s or %s != %s' % (group, self._group, method, self._method)) - raise base.NoSuchMethodError(None, None) - else: - operator = _Operator( - controller, controller.on_service_advance, self._pool, - output_operator) - outcome = context.add_termination_callback( - controller.service_on_termination) - if outcome is not None: - controller.service_on_termination(outcome) - return utilities.full_subscription(operator, _ProtocolReceiver()) - - -class _OperationTest(unittest.TestCase): - - def setUp(self): - if self._synchronicity_variation: - self._pool = logging_pool.pool(test_constants.POOL_SIZE) - else: - self._pool = None - self._controller = self._controller_creator.controller( - self._implementation, self._randomness) - - def tearDown(self): - if self._synchronicity_variation: - self._pool.shutdown(wait=True) - else: - self._pool = None - - def test_operation(self): - invocation = self._controller.invocation() - if invocation.subscription_kind is base.Subscription.Kind.FULL: - test_operator = _Operator( - self._controller, self._controller.on_invocation_advance, - self._pool, None) - subscription = utilities.full_subscription( - test_operator, _ProtocolReceiver()) - else: - # TODO(nathaniel): support and test other subscription kinds. - self.fail('Non-full subscriptions not yet supported!') - - servicer = _Servicer( - invocation.group, invocation.method, (self._controller,), self._pool) - - invocation_end, service_end, memo = self._implementation.instantiate( - {(invocation.group, invocation.method): _Serialization()}, servicer) - - try: - invocation_end.start() - service_end.start() - operation_context, operator_under_test = invocation_end.operate( - invocation.group, invocation.method, subscription, invocation.timeout, - initial_metadata=invocation.initial_metadata, payload=invocation.payload, - completion=invocation.completion) - test_operator.set_operator_under_test(operator_under_test) - outcome = operation_context.add_termination_callback( - self._controller.invocation_on_termination) - if outcome is not None: - self._controller.invocation_on_termination(outcome) - except Exception as e: # pylint: disable=broad-except - self._controller.failed('Exception on invocation: %s' % e) - self.fail(e) - - while True: - instruction = self._controller.poll() - if instruction.kind is _control.Instruction.Kind.ADVANCE: - try: - test_operator.advance( - *instruction.advance_args, **instruction.advance_kwargs) - except Exception as e: # pylint: disable=broad-except - self._controller.failed('Exception on instructed advance: %s' % e) - elif instruction.kind is _control.Instruction.Kind.CANCEL: - try: - operation_context.cancel() - except Exception as e: # pylint: disable=broad-except - self._controller.failed('Exception on cancel: %s' % e) - elif instruction.kind is _control.Instruction.Kind.CONCLUDE: - break - - invocation_stop_event = invocation_end.stop(0) - service_stop_event = service_end.stop(0) - invocation_stop_event.wait() - service_stop_event.wait() - invocation_stats = invocation_end.operation_stats() - service_stats = service_end.operation_stats() - - self._implementation.destantiate(memo) - - self.assertTrue( - instruction.conclude_success, msg=instruction.conclude_message) - - expected_invocation_stats = dict(_EMPTY_OUTCOME_KIND_DICT) - expected_invocation_stats[ - instruction.conclude_invocation_outcome_kind] += 1 - self.assertDictEqual(expected_invocation_stats, invocation_stats) - expected_service_stats = dict(_EMPTY_OUTCOME_KIND_DICT) - expected_service_stats[instruction.conclude_service_outcome_kind] += 1 - self.assertDictEqual(expected_service_stats, service_stats) - - -def test_cases(implementation): - """Creates unittest.TestCase classes for a given Base implementation. - - Args: - implementation: A test_interfaces.Implementation specifying creation and - destruction of the Base implementation under test. - - Returns: - A sequence of subclasses of unittest.TestCase defining tests of the - specified Base layer implementation. - """ - random_seed = hash(time.time()) - logging.warning('Random seed for this execution: %s', random_seed) - randomness = random.Random(x=random_seed) - - test_case_classes = [] - for synchronicity_variation in _SYNCHRONICITY_VARIATION: - for controller_creator in _control.CONTROLLER_CREATORS: - name = ''.join( - (synchronicity_variation[0], controller_creator.name(), 'Test',)) - test_case_classes.append( - type(name, (_OperationTest,), - {'_implementation': implementation, - '_randomness': randomness, - '_synchronicity_variation': synchronicity_variation[1], - '_controller_creator': controller_creator, - '__module__': implementation.__module__, - })) - - return test_case_classes |