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# ============LICENSE_START=======================================================
# Copyright (c) 2021 AT&T Intellectual Property. 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.
# ============LICENSE_END=========================================================
import pytest, json, sys, asyncio, signal
from tests.mocks import (
MockClient,
MockTask,
MockLoop,
MockInventory,
MockConfig,
MockFileDumper,
)
from policysync.coroutines import (
shutdown,
periodic_task,
notify_task,
task_runner,
_setup_coroutines,
SLEEP_ON_ERROR,
)
import policysync.coroutines as coroutines
async def test_shutdownhandler():
client = MockClient()
tasks = [MockTask()]
loop = MockLoop()
inventory = MockInventory()
await shutdown( loop, tasks, inventory)
# Assert that a shutdown results in all tasks in the loop being canceled
for x in tasks:
assert x.canceled
# ... And the the PDP client is closed
assert inventory.client.closed
# ... And that the event loop is stopped
assert loop.stopped
async def test_periodic():
inventory = MockInventory()
await periodic_task(inventory, 1)
assert inventory.was_updated
async def test_ws():
inventory = MockInventory()
await notify_task(inventory, 1)
assert inventory.was_updated
async def test_task_runner():
def should_run():
if should_run.counter == 0:
should_run.counter += 1
return True
else:
return False
should_run.counter = 0
def mocktask(inventory):
assert True
await task_runner(MockInventory(), 1, mocktask, should_run)
async def test_task_runner_cancel():
def should_run():
if should_run.counter == 0:
should_run.counter += 1
return True
elif should_run.counter == 1:
# If we get here then fail the test
assert False, "Task runner should have broken out of loop before this"
return False
should_run.counter = 0
# We create a mock task that raises a cancellation error (sent when a asyncio task is canceled)
def mocktask(inventory, sleep):
raise asyncio.CancelledError
await task_runner(MockInventory(), 1, mocktask, should_run)
def test_setup_coroutines():
loop = MockLoop()
def fake_task_runner(inventory, sleep, task, should_run):
return (sleep, task)
def fake_shutdown(sig, loop, tasks, client):
return sig
def fake_metrics_server(port, addr=None):
fake_metrics_server.started = True
fake_metrics_server.started = False
inventory = MockInventory()
client = MockClient()
config = MockConfig()
_setup_coroutines(
loop,
inventory,
fake_shutdown,
fake_task_runner,
metrics_server=fake_metrics_server,
check_period=config.check_period,
bind=config.bind,
)
# By the end of setup coroutines we should have...
# Gathered initial set of policies
assert inventory.was_gathered
# started the websocket and periodic task running
assert (SLEEP_ON_ERROR, notify_task) in loop.tasks
assert (config.check_period, periodic_task) in loop.tasks
# Signal handlers for SIGINT and SIGTERM
assert signal.SIGINT in loop.handlers
assert signal.SIGTERM in loop.handlers
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