tobiko/tobiko/tests/unit/actor/test_actor.py

98 lines
2.9 KiB
Python

# Copyright (c) 2021 Red Hat, Inc.
#
# All Rights Reserved.
#
# 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.
from __future__ import absolute_import
from unittest import mock
import tobiko
from tobiko.tests import unit
from tobiko import actor
@tobiko.protocol
class Greeter:
async def greet(self, whom: str, greeted: 'Greeted'):
raise NotImplementedError
@tobiko.protocol
class Greeted:
def greeted(self, whom: str, greeter: Greeter):
raise NotImplementedError
class GreeterRef(actor.ActorRef):
pass
class GreeterActor(Greeter, actor.Actor):
setup_called = False
cleanup_called = False
base_ref_class = GreeterRef
async def setup_actor(self):
self.setup_called = True
async def cleanup_actor(self):
self.cleanup_called = True
@actor.actor_method
async def greet(self, whom: str, greeted: Greeted):
assert self.setup_called
assert not self.cleanup_called
if not whom:
raise ValueError("'whom' parameter can't be empty")
self.log.info(f"Hello {whom}!")
greeted.greeted(whom=whom, greeter=self.ref.use_as(Greeter))
class ActorTest(unit.TobikoUnitTest):
def test_greeter_ref_class(self):
ref_class = GreeterActor.ref_class()
self.assertTrue(issubclass(ref_class, actor.ActorRef))
self.assertTrue(issubclass(ref_class, GreeterRef))
self.assertTrue(issubclass(ref_class, Greeter))
async def test_async_request(self):
greeter = actor.create_actor(GreeterActor).use_as(Greeter)
self.assertIsInstance(greeter, actor.ActorRef)
self.assertIsInstance(greeter, GreeterRef)
self.assertIsInstance(greeter, Greeter)
greeted = mock.MagicMock(spec=Greeted)
await greeter.greet(whom=self.id(), greeted=greeted)
greeted.greeted.assert_called_with(whom=self.id(),
greeter=greeter)
async def test_async_request_failure(self):
greeter = actor.create_actor(GreeterActor).use_as(Greeter)
self.assertIsInstance(greeter, actor.ActorRef)
self.assertIsInstance(greeter, Greeter)
greeted = mock.MagicMock(spec=Greeted)
try:
await greeter.greet(whom="", greeted=greeted)
except ValueError as ex:
self.assertEqual("'whom' parameter can't be empty", str(ex))
else:
self.fail("Exception not raised")
greeted.greeted.assert_not_called()