[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[miss-islington]

miss-islington  added the comment:


New changeset 9d409d6b474c188feca6213b9601e06f97715b72 by Miss Islington (bot) 
in branch '3.9':
bpo-39101: Fixes BaseException hang in IsolatedAsyncioTestCase. (GH-22654)
https://github.com/python/cpython/commit/9d409d6b474c188feca6213b9601e06f97715b72


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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[miss-islington]

miss-islington  added the comment:


New changeset d549d0b5575b390431b7b26999151f79f74d4516 by Miss Islington (bot) 
in branch '3.8':
bpo-39101: Fixes BaseException hang in IsolatedAsyncioTestCase. (GH-22654)
https://github.com/python/cpython/commit/d549d0b5575b390431b7b26999151f79f74d4516


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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[Lisa Roach]

Change by Lisa Roach :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[Lisa Roach]

Lisa Roach  added the comment:


New changeset 8374d2ee1589791be8892b00f4bbf8121dde24bd by Lisa Roach in branch 
'master':
bpo-39101: Fixes BaseException hang in IsolatedAsyncioTestCase. (GH-22654)
https://github.com/python/cpython/commit/8374d2ee1589791be8892b00f4bbf8121dde24bd


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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[miss-islington]

Change by miss-islington :


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pull_requests: +21904
pull_request: https://github.com/python/cpython/pull/22989

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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 4.0 -> 5.0
pull_requests: +21903
pull_request: https://github.com/python/cpython/pull/22988

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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[Lisa Roach]

Change by Lisa Roach :


--
keywords: +patch
nosy: +lisroach
nosy_count: 3.0 -> 4.0
pull_requests: +21630
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/22654

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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[Fabio Pugliese Ornellas]

Change by Fabio Pugliese Ornellas :


--
type:  -> crash

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[issue39101] IsolatedAsyncioTestCase freezes when exception is raised

[Fabio Pugliese Ornellas]

New submission from Fabio Pugliese Ornellas :

IsolatedAsyncioTestCase freezes whenever an exception that inherits from 
BaseException is raised:


import unittest
class TestHangsForever(unittest.IsolatedAsyncioTestCase):
async def test_hangs_forever(self):
raise BaseException("Hangs forever")
if __name__ == "__main__":
import unittest
unittest.main()

A kind of similar issue present on 3.7 was fixed on 3.8 here 
https://github.com/python/cpython/blob/3.8/Lib/asyncio/events.py#L84, where 
BaseExceptions would not be correctly handled by the event loop, this seems 
somewhat related.

I had a look at IsolatedAsyncioTestCase implementation, did not spot any 
obvious broken thing there, I could use some light here. Thanks.

--
components: asyncio
messages: 358690
nosy: asvetlov, fornellas, yselivanov
priority: normal
severity: normal
status: open
title: IsolatedAsyncioTestCase freezes when exception is raised
versions: Python 3.8

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