[PATCH RFC] tests: remaining Windows failures

[Matt Harbison]

On Thu, 20 Apr 2017 10:42:50 -0400, Jun Wu <quark at fb.com> wrote:

> Excerpts from Matt Harbison's message of 2017-04-19 23:04:17 -0400:
>> [...]
>> diff --git a/tests/test-worker.t b/tests/test-worker.t
>> --- a/tests/test-worker.t
>> +++ b/tests/test-worker.t
>> @@ -81,7 +81,6 @@
>>    $ hg --config "extensions.t=$abspath" --config 'worker.numcpus=2' \
>>    > test 100000.0 abort --traceback 2>&1 | grep '^Traceback'
>>    Traceback (most recent call last):
>> -  Traceback (most recent call last):
>
> This is because worker only works for POSIX. Related code are:
>
>     if pycompat.osname == 'posix':
>         _startupcost = 0.01
>     else:
>         _startupcost = 1e30
>
>     def worthwhile(ui, costperop, nops):
>         '''try to determine whether the benefit of multiple processes can
>         outweigh the cost of starting them'''
>         linear = costperop * nops
>         workers = _numworkers(ui)
>         benefit = linear - (_startupcost * workers + linear / workers)
>         return benefit >= 0.15
>
> worthwhile return False because benefit is negative.
>
>     if pycompat.osname != 'nt':
>         _platformworker = _posixworker
>         _exitstatus = _posixexitstatus
>
> _platformworker is undefined on Windows.

Thanks for the detailed explanation.

>
>>
>>  Traceback must be printed for unknown exceptions