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WIP reproduce deadlock issue during error from piker

aio_explicit_task_cancels
Tyler Goodlet 2022-02-25 10:59:15 -05:00
parent 20d281f619
commit faf751acac
1 changed files with 63 additions and 0 deletions

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@ -170,3 +170,66 @@ def test_actor_managed_trio_nursery_task_error_cancels_aio(
# verify boxed error
err = excinfo.value
assert isinstance(err.type(), NameError)
from trio_typing import TaskStatus
def test_nursery():
_cn = None
async def task_name_errors_and_never_startedz(
task_status: TaskStatus = trio.TASK_STATUS_IGNORED,
):
await trio.sleep(0.5)
# pet pet
doggy()
# we never get here due to name error
task_status.started()
async def waits_on_signal(
ev: trio.Event(),
task_status: TaskStatus[trio.Nursery] = trio.TASK_STATUS_IGNORED,
):
await ev.wait()
task_status.started()
async def start_cn_tasks(
# pn: trio.Nursery,
task_status: TaskStatus[trio.Nursery] = trio.TASK_STATUS_IGNORED,
):
nonlocal _cn
assert _cn
ev = trio.Event()
_cn.start_soon(task_never_starteds)
await _cn.start(waits_on_signal, ev)
task_status.started()
async def mk_cn(
task_status: TaskStatus = trio.TASK_STATUS_IGNORED,
):
nonlocal _cn
async with trio.open_nursery() as cn:
_cn = cn
task_status.started(cn)
await trio.sleep_forever()
async def main():
async with (
trio.open_nursery() as pn,
):
cn = await pn.start(mk_cn)
assert cn
# start a parent level task which starts a task
pn.start_soon(start_cn_tasks)
await trio.sleep_forever()
trio.run(main)