[Twisted-Python] process changes causing buildbot failures on win7?

Hawkie hawkowl at atleastfornow.net
Fri Oct 9 21:36:21 MDT 2015


It's because the Windows tests (that one) can't cope with spaces in the exe name, and now it's in a virtual env, that's popped up. 

The Python 3.5 branch has a fix for this, as the Windows 3.5 builder was the first to show this problem. 

-hawkie

On 10 Oct 2015 06:27, Glyph Lefkowitz <glyph at twistedmatrix.com> wrote:
>
> These failures:
>
>> ===============================================================================
>>
>> [FAIL]
>>
>> Traceback (most recent call last):
>>
>>   File "C:\Users\Build Slave\bot-glyph-6\windows7-64-py2.7-select\Twisted\twisted\internet\test\test_process.py", line 361, in test_systemCallUninterruptedByChildExit
>>
>>     self.assertEqual(result, ["Foo\n"])
>>
>>   File "C:\Users\Build Slave\bot-glyph-6\windows7-64-py2.7-select\Twisted\twisted\trial\_synctest.py", line 437, in assertEqual
>>
>>     super(_Assertions, self).assertEqual(first, second, msg)
>>
>>   File "C:\Python27\Lib\unittest\case.py", line 513, in assertEqual
>>
>>     assertion_func(first, second, msg=msg)
>>
>>   File "C:\Python27\Lib\unittest\case.py", line 742, in assertListEqual
>>
>>     self.assertSequenceEqual(list1, list2, msg, seq_type=list)
>>
>>   File "C:\Python27\Lib\unittest\case.py", line 724, in assertSequenceEqual
>>
>>     self.fail(msg)
>>
>> twisted.trial.unittest.FailTest: Lists differ: [''] != ['Foo\n']
>>
>>
>>
>> First differing element 0:
>>
>>
>>
>> Foo
>>
>>
>>
>>
>>
>> - ['']
>>
>> + ['Foo\n']
>>
>>
>>
>> twisted.internet.test.test_process.ProcessTestsBuilder_IOCPReactorTests.test_systemCallUninterruptedByChildExit
>>
>> twisted.internet.test.test_process.ProcessTestsBuilder_SelectReactorTests.test_systemCallUninterruptedByChildExit
>>
>> twisted.internet.test.test_process.ProcessTestsBuilder_Win32ReactorTests.test_systemCallUninterruptedByChildExit
>>
>>
> have started happening on the buildbot on trunk: https://buildbot.twistedmatrix.com/builders/windows7-64-py2.7/builds/5215/steps/select/logs/problems
>
> soon after this change: http://twistedmatrix.com/trac/changeset/45725
>
> Unfortunately the buildbot was in a kind of unrelated bad state when it landed, and the configuration is a bit different now, so I'm not sure if this is a regression or a configuration error.  But given that the change was about processes, and the failure is in the process test, I thought it might bear some investigation...
>
> -glyph


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