[issue33531] test_asyncio: test_subprocess test_stdin_broken_pipe() failure on Travis CI

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

I have also gotten test_async errors on AppVeyor and MSTS Windows.

ERROR: test__sock_sendfile_native_failure (test.test_asyncio.test_base_events.BaseLoopSockSendfileTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1881, in test__sock_sendfile_native_failure
    sock, proto = self.prepare()
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1866, in prepare
    self.run_loop(self.loop.sock_connect(sock, (support.HOST, port)))
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1846, in run_loop
    return self.loop.run_until_complete(coro)
  File "C:\projects\cpython\lib\asyncio\base_events.py", line 566, in run_until_complete
    return future.result()
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 475, in sock_connect
    return await fut
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 505, in _sock_connect_cb
    raise OSError(err, f'Connect call failed {address}')
ConnectionRefusedError: [Errno 10061] Connect call failed ('127.0.0.1', 6284)
======================================================================
ERROR: test_sock_sendfile_fallback (test.test_asyncio.test_base_events.BaseLoopSockSendfileTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1903, in test_sock_sendfile_fallback
    sock, proto = self.prepare()
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1866, in prepare
    self.run_loop(self.loop.sock_connect(sock, (support.HOST, port)))
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1846, in run_loop
    return self.loop.run_until_complete(coro)
  File "C:\projects\cpython\lib\asyncio\base_events.py", line 566, in run_until_complete
    return future.result()
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 475, in sock_connect
    return await fut
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 505, in _sock_connect_cb
    raise OSError(err, f'Connect call failed {address}')
ConnectionRefusedError: [Errno 10061] Connect call failed ('127.0.0.1', 6303)
======================================================================
ERROR: test_sock_sendfile_fallback_offset_and_count (test.test_asyncio.test_base_events.BaseLoopSockSendfileTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1914, in test_sock_sendfile_fallback_offset_and_count
    sock, proto = self.prepare()
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1866, in prepare
    self.run_loop(self.loop.sock_connect(sock, (support.HOST, port)))
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1846, in run_loop
    return self.loop.run_until_complete(coro)
  File "C:\projects\cpython\lib\asyncio\base_events.py", line 566, in run_until_complete
    return future.result()
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 475, in sock_connect
    return await fut
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 505, in _sock_connect_cb
    raise OSError(err, f'Connect call failed {address}')
ConnectionRefusedError: [Errno 10061] Connect call failed ('127.0.0.1', 6308)
======================================================================
ERROR: test_sock_sendfile_no_fallback (test.test_asyncio.test_base_events.BaseLoopSockSendfileTests)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1892, in test_sock_sendfile_no_fallback
    sock, proto = self.prepare()
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1866, in prepare
    self.run_loop(self.loop.sock_connect(sock, (support.HOST, port)))
  File "C:\projects\cpython\lib\test\test_asyncio\test_base_events.py", line 1846, in run_loop
    return self.loop.run_until_complete(coro)
  File "C:\projects\cpython\lib\asyncio\base_events.py", line 566, in run_until_complete
    return future.result()
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 475, in sock_connect
    return await fut
  File "C:\projects\cpython\lib\asyncio\selector_events.py", line 505, in _sock_connect_cb
    raise OSError(err, f'Connect call failed {address}')
ConnectionRefusedError: [Errno 10061] Connect call failed ('127.0.0.1', 6338)
----------------------------------------------------------------------
Ran 1729 tests in 89.932s

Before that, for Brett
test_popen (test.test_asyncio.test_windows_utils.PopenTests) ... Warning -- asyncio.get_event_loop_policy was modified by test_asyncio
  Before: <asyncio.windows_events._WindowsDefaultEventLoopPolicy object at 0x03DA7850>
  After:  <asyncio.windows_events._WindowsDefaultEventLoopPolicy object at 0x0436F410> 
test test_asyncio crashed -- Traceback (most recent call last):
  File "C:\projects\cpython\lib\test\libregrtest\runtest.py", line 179, in runtest_inner
    test_time = time.time() - start_time
  File "C:\projects\cpython\lib\test\libregrtest\save_env.py", line 305, in __exit__
    current = get()
  File "C:\projects\cpython\lib\test\libregrtest\save_env.py", line 80, in get_asyncio_get_event_loop
    return asyncio.get_event_loop()
  File "C:\projects\cpython\lib\asyncio\events.py", line 645, in get_event_loop
    % threading.current_thread().name)
RuntimeError: There is no current event loop in thread 'MainThread'.
C:\projects\cpython\lib\asyncio\base_events.py:605: ResourceWarning: unclosed event loop <_WindowsSelectorEventLoop running=False closed=False debug=False>
  source=self)
ok
----------------------------------------------------------------------
Ran 1729 tests in 25.061s
OK (skipped=66)
1 test failed again:
    test_asyncio

Before that, Brett got both sets of errors.

Before that, three jobs got the 4 ConnectionRefused errors.

----------
nosy: +terry.reedy

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33531>
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