#4706: fix race condition between doctest creation and running
----------------------+-----------------------------------------------------
 Reporter:  mabshoff  |        Owner:  mabshoff  
     Type:  defect    |       Status:  new       
 Priority:  major     |    Milestone:  sage-3.2.2
Component:  doctest   |   Resolution:            
 Keywords:            |  
----------------------+-----------------------------------------------------
Old description:

> With high -tp numbers (i.e. 16) on sage.math one will see similar issues
> to the one below:
> {{{
> sage -t -long devel/sage/sage/libs/symmetrica/symmetrica.pyx
>   File "/scratch/mabshoff/release-
> cycle/sage-3.2.alpha0/tmp/.doctest_symmetrica.py", line 29
>     >>> test_integer(Integer(1))###line 539:_sage_    >>> test_integer(1)
>     ^
> IndentationError: unexpected indent
> }}}
>
> This is likely a race condition between creating the file running the
> doctest. The issue is not specific to -tp.
>
> A potential solution might be to create all .doctest_$FOO files and then
> start running them. This might also fix the problem with
> {{{
> sage -t -long devel/sage/sage/symbolic/constants.pyx
>          [0.1 s]
> }}}
> in Sage 3.2.1+ which is caused by no doctests being executed since (a)
> either there are no doctests in that file or (b) we are running optional
> doctests only.
>
> Cheers,
>
> Michael

New description:

 With high -tp numbers (i.e. 16) on sage.math one will see similar issues
 to the one below:
 {{{
 sage -t -long devel/sage/sage/libs/symmetrica/symmetrica.pyx
   File "/scratch/mabshoff/release-
 cycle/sage-3.2.alpha0/tmp/.doctest_symmetrica.py", line 29
     >>> test_integer(Integer(1))###line 539:_sage_    >>> test_integer(1)
     ^
 IndentationError: unexpected indent
 }}}

 This is likely a race condition between creating the file and the actual
 running of the doctest. The issue is not specific to -tp.

 A potential solution might be to create all .doctest_$FOO files and then
 start running them. This might also fix the problem with
 {{{
 sage -t -long devel/sage/sage/symbolic/constants.pyx
          [0.1 s]
 }}}
 in Sage 3.2.1+ which is caused by no doctests being executed since (a)
 either there are no doctests in that file or (b) we are running optional
 doctests only.

 Cheers,

 Michael

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4706#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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