mirror of
https://github.com/element-hq/synapse.git
synced 2024-11-29 07:28:55 +03:00
208 lines
8.5 KiB
Python
208 lines
8.5 KiB
Python
# Copyright 2023 The Matrix.org Foundation C.I.C.
|
|
#
|
|
# 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 typing import Optional, Tuple
|
|
|
|
from twisted.internet.task import deferLater
|
|
from twisted.test.proto_helpers import MemoryReactor
|
|
|
|
from synapse.server import HomeServer
|
|
from synapse.types import JsonMapping, ScheduledTask, TaskStatus
|
|
from synapse.util import Clock
|
|
from synapse.util.task_scheduler import TaskScheduler
|
|
|
|
from tests.replication._base import BaseMultiWorkerStreamTestCase
|
|
from tests.unittest import HomeserverTestCase, override_config
|
|
|
|
|
|
class TestTaskScheduler(HomeserverTestCase):
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
|
|
self.task_scheduler = hs.get_task_scheduler()
|
|
self.task_scheduler.register_action(self._test_task, "_test_task")
|
|
self.task_scheduler.register_action(self._sleeping_task, "_sleeping_task")
|
|
self.task_scheduler.register_action(self._raising_task, "_raising_task")
|
|
self.task_scheduler.register_action(self._resumable_task, "_resumable_task")
|
|
|
|
async def _test_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
# This test task will copy the parameters to the result
|
|
result = None
|
|
if task.params:
|
|
result = task.params
|
|
return (TaskStatus.COMPLETE, result, None)
|
|
|
|
def test_schedule_task(self) -> None:
|
|
"""Schedule a task in the future with some parameters to be copied as a result and check it executed correctly.
|
|
Also check that it get removed after `KEEP_TASKS_FOR_MS`."""
|
|
timestamp = self.clock.time_msec() + 30 * 1000
|
|
task_id = self.get_success(
|
|
self.task_scheduler.schedule_task(
|
|
"_test_task",
|
|
timestamp=timestamp,
|
|
params={"val": 1},
|
|
)
|
|
)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.SCHEDULED)
|
|
self.assertIsNone(task.result)
|
|
|
|
# The timestamp being 30s after now the task should been executed
|
|
# after the first scheduling loop is run
|
|
self.reactor.advance(TaskScheduler.SCHEDULE_INTERVAL_MS / 1000)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.COMPLETE)
|
|
assert task.result is not None
|
|
# The passed parameter should have been copied to the result
|
|
self.assertTrue(task.result.get("val") == 1)
|
|
|
|
# Let's wait for the complete task to be deleted and hence unavailable
|
|
self.reactor.advance((TaskScheduler.KEEP_TASKS_FOR_MS / 1000) + 1)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
self.assertIsNone(task)
|
|
|
|
async def _sleeping_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
# Sleep for a second
|
|
await deferLater(self.reactor, 1, lambda: None)
|
|
return TaskStatus.COMPLETE, None, None
|
|
|
|
def test_schedule_lot_of_tasks(self) -> None:
|
|
"""Schedule more than `TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS` tasks and check the behavior."""
|
|
task_ids = []
|
|
for i in range(TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS + 1):
|
|
task_ids.append(
|
|
self.get_success(
|
|
self.task_scheduler.schedule_task(
|
|
"_sleeping_task",
|
|
params={"val": i},
|
|
)
|
|
)
|
|
)
|
|
|
|
# This is to give the time to the active tasks to finish
|
|
self.reactor.advance(1)
|
|
|
|
# Check that only MAX_CONCURRENT_RUNNING_TASKS tasks has run and that one
|
|
# is still scheduled.
|
|
tasks = [
|
|
self.get_success(self.task_scheduler.get_task(task_id))
|
|
for task_id in task_ids
|
|
]
|
|
|
|
self.assertEquals(
|
|
len(
|
|
[t for t in tasks if t is not None and t.status == TaskStatus.COMPLETE]
|
|
),
|
|
TaskScheduler.MAX_CONCURRENT_RUNNING_TASKS,
|
|
)
|
|
|
|
scheduled_tasks = [
|
|
t for t in tasks if t is not None and t.status == TaskStatus.ACTIVE
|
|
]
|
|
self.assertEquals(len(scheduled_tasks), 1)
|
|
|
|
# We need to wait for the next run of the scheduler loop
|
|
self.reactor.advance((TaskScheduler.SCHEDULE_INTERVAL_MS / 1000))
|
|
self.reactor.advance(1)
|
|
|
|
# Check that the last task has been properly executed after the next scheduler loop run
|
|
prev_scheduled_task = self.get_success(
|
|
self.task_scheduler.get_task(scheduled_tasks[0].id)
|
|
)
|
|
assert prev_scheduled_task is not None
|
|
self.assertEquals(
|
|
prev_scheduled_task.status,
|
|
TaskStatus.COMPLETE,
|
|
)
|
|
|
|
async def _raising_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
raise Exception("raising")
|
|
|
|
def test_schedule_raising_task(self) -> None:
|
|
"""Schedule a task raising an exception and check it runs to failure and report exception content."""
|
|
task_id = self.get_success(self.task_scheduler.schedule_task("_raising_task"))
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.FAILED)
|
|
self.assertEqual(task.error, "raising")
|
|
|
|
async def _resumable_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
if task.result and "in_progress" in task.result:
|
|
return TaskStatus.COMPLETE, {"success": True}, None
|
|
else:
|
|
await self.task_scheduler.update_task(task.id, result={"in_progress": True})
|
|
# Await forever to simulate an aborted task because of a restart
|
|
await deferLater(self.reactor, 2**16, lambda: None)
|
|
# This should never been called
|
|
return TaskStatus.ACTIVE, None, None
|
|
|
|
def test_schedule_resumable_task(self) -> None:
|
|
"""Schedule a resumable task and check that it gets properly resumed and complete after simulating a synapse restart."""
|
|
task_id = self.get_success(self.task_scheduler.schedule_task("_resumable_task"))
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.ACTIVE)
|
|
|
|
# Simulate a synapse restart by emptying the list of running tasks
|
|
self.task_scheduler._running_tasks = set()
|
|
self.reactor.advance((TaskScheduler.SCHEDULE_INTERVAL_MS / 1000))
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.COMPLETE)
|
|
assert task.result is not None
|
|
self.assertTrue(task.result.get("success"))
|
|
|
|
|
|
class TestTaskSchedulerWithBackgroundWorker(BaseMultiWorkerStreamTestCase):
|
|
def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
|
|
self.task_scheduler = hs.get_task_scheduler()
|
|
self.task_scheduler.register_action(self._test_task, "_test_task")
|
|
|
|
async def _test_task(
|
|
self, task: ScheduledTask
|
|
) -> Tuple[TaskStatus, Optional[JsonMapping], Optional[str]]:
|
|
return (TaskStatus.COMPLETE, None, None)
|
|
|
|
@override_config({"run_background_tasks_on": "worker1"})
|
|
def test_schedule_task(self) -> None:
|
|
"""Check that a task scheduled to run now is launch right away on the background worker."""
|
|
bg_worker_hs = self.make_worker_hs(
|
|
"synapse.app.generic_worker",
|
|
extra_config={"worker_name": "worker1"},
|
|
)
|
|
bg_worker_hs.get_task_scheduler().register_action(self._test_task, "_test_task")
|
|
|
|
task_id = self.get_success(
|
|
self.task_scheduler.schedule_task(
|
|
"_test_task",
|
|
)
|
|
)
|
|
|
|
task = self.get_success(self.task_scheduler.get_task(task_id))
|
|
assert task is not None
|
|
self.assertEqual(task.status, TaskStatus.COMPLETE)
|