[issue27968] test_coroutines generates some warnings

[Yury Selivanov]

Change by Yury Selivanov :


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[issue27968] test_coroutines generates some warnings

[Guido van Rossum]

Guido van Rossum added the comment:

Thanks Benjamin!

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[issue27968] test_coroutines generates some warnings

[Roundup Robot]

Roundup Robot added the comment:

New changeset 096dfac57e44 by Benjamin Peterson in branch '3.5':
capture stderr to silence output during test_coroutines (closes #27968)
https://hg.python.org/cpython/rev/096dfac57e44

New changeset b43923ce86f0 by Benjamin Peterson in branch 'default':
merge 3.5 (closes #27968)
https://hg.python.org/cpython/rev/b43923ce86f0

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

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[issue27968] test_coroutines generates some warnings

[Roundup Robot]

Roundup Robot added the comment:

New changeset 234f758449f8 by Benjamin Peterson in branch '3.5':
supress coroutine warning when an exception is pending (#27968)
https://hg.python.org/cpython/rev/234f758449f8

New changeset f48b00b1ec4f by Benjamin Peterson in branch 'default':
merge 3.5 (#27968)
https://hg.python.org/cpython/rev/f48b00b1ec4f

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[issue27968] test_coroutines generates some warnings

[Xiang Zhang]

Xiang Zhang added the comment:

Run hg bisect and get 756c27efe193.

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nosy: +benjamin.peterson

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[issue27968] test_coroutines generates some warnings

[Guido van Rossum]

Guido van Rossum added the comment:

Yury this smells of something in async/await?

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assignee:  -> yselivanov

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[issue27968] test_coroutines generates some warnings

[Guido van Rossum]

Guido van Rossum added the comment:

NM I get the same on Mac after rebuilding from scratch. I can repro this with 
the 3.5 branch too. Wonder if something changed in asyncio?

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versions: +Python 3.5

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[issue27968] test_coroutines generates some warnings

[Guido van Rossum]

Guido van Rossum added the comment:

I only have a Mac to test -- does anyone else on this issue have a Linux system 
to try to reproduce this?

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[issue27968] test_coroutines generates some warnings

[Xiang Zhang]

New submission from Xiang Zhang:

./python -m test test_coroutines
Run tests sequentially
0:00:00 [1/1] test_coroutines
/home/angwer/cpython/Lib/test/test_coroutines.py:891: RuntimeWarning: coroutine 
'CoroutineTest.test_await_12..coro' was never awaited
  return await Awaitable()
/home/angwer/cpython/Lib/test/test_coroutines.py:35: RuntimeWarning: coroutine 
'CoroutineTest.test_await_9..bar' was never awaited
  buffer.append(coro.send(None))
Exception ignored in: .func at 0x7f481378f678>
RuntimeWarning: coroutine 'CoroutineTest.test_fatal_coro_warning..fun' 
was never awaited
Exception ignored in: .AI.__aiter__ at 0x7f481378f5c8>
RuntimeWarning: coroutine 'CoroutineTest.test_for_10..AI.__aiter__' was 
never awaited
Exception ignored in: .AI.__aiter__ at 0x7f481378f5c8>
RuntimeWarning: coroutine 'CoroutineTest.test_for_9..AI.__aiter__' was 
never awaited
/home/angwer/cpython/Lib/test/test_coroutines.py:555: RuntimeWarning: coroutine 
'CoroutineTest.test_func_13..g' was never awaited
  g().send('spam')
/home/angwer/cpython/Lib/test/test_coroutines.py:408: RuntimeWarning: coroutine 
'CoroutineTest.test_func_4..foo' was never awaited
  list(foo())
/home/angwer/cpython/Lib/test/test_coroutines.py:411: RuntimeWarning: coroutine 
'CoroutineTest.test_func_4..foo' was never awaited
  tuple(foo())
/home/angwer/cpython/Lib/test/test_coroutines.py:414: RuntimeWarning: coroutine 
'CoroutineTest.test_func_4..foo' was never awaited
  sum(foo())
/home/angwer/cpython/Lib/test/test_coroutines.py:417: RuntimeWarning: coroutine 
'CoroutineTest.test_func_4..foo' was never awaited
  iter(foo())
/home/angwer/cpython/Lib/test/test_coroutines.py:438: RuntimeWarning: coroutine 
'CoroutineTest.test_func_5..foo' was never awaited
  for el in foo(): pass
1 test OK.

Total duration: 290 ms
Tests result: SUCCESS

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messages: 274529
nosy: giampaolo.rodola, gvanrossum, haypo, xiang.zhang, yselivanov
priority: normal
severity: normal
status: open
title: test_coroutines generates some warnings
type: behavior
versions: Python 3.6

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