Issue 32646: test_asyncgen: race condition on test_async_gen_asyncio_gc_aclose_09(), random failure (original) (raw)

Issue32646

Created on 2018-01-24 10:10 by vstinner, last changed 2022-04-11 14:58 by admin. This issue is now closed.

Messages (2)
msg310580 - (view)	Author: STINNER Victor (vstinner) *	Date: 2018-01-24 10:10
test_asyncgen.test_async_gen_asyncio_gc_aclose_09() fails randomly. It looks like a race condition, likely related to the system load. https://ci.appveyor.com/project/python/cpython/build/3.6build10993/job/l89045et4rmey72q (...) Run tests in parallel using 4 child processes (...) test_async_gen_asyncio_gc_aclose_09 (test.test_asyncgen.AsyncGenAsyncioTest) ... Task was destroyed but it is pending! task: <Task pending coro=<async_generator_athrow()> wait_for=> FAIL ====================================================================== FAIL: test_async_gen_asyncio_gc_aclose_09 (test.test_asyncgen.AsyncGenAsyncioTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "C:\projects\cpython\lib\test\test_asyncgen.py", line 630, in test_async_gen_asyncio_gc_aclose_09 self.assertEqual(DONE, 1) AssertionError: 0 != 1 ---------------------------------------------------------------------- (...) Re-running test 'test_asyncgen' in verbose mode (...) test_async_gen_asyncio_gc_aclose_09 (test.test_asyncgen.AsyncGenAsyncioTest) ... ok (...) Ran 40 tests in 1.125s
msg318101 - (view)	Author: STINNER Victor (vstinner) *	Date: 2018-05-29 21:46
I didn't see this failure recently.