#12415: Update doctesting framework
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       Reporter:  robertwb                                                      
                                                                                
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  Owner:  jdemeyer                 
           Type:  enhancement                                                   
                                                                                
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 Status:  needs_review             
       Priority:  major                                                         
                                                                                
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Milestone:  sage-5.8                 
      Component:  doctest                                                       
                                                                                
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Resolution:                           
       Keywords:                                                                
                                                                                
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Work issues:                           
Report Upstream:  N/A                                                           
                                                                                
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Reviewers:  Jeroen Demeyer, David Roe
        Authors:  David Roe, Robert Bradshaw, Jeroen Demeyer                    
                                                                                
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Merged in:                           
   Dependencies:  #13147,#13146, #13145, #12723, #12392, #12393, #12395, 
#12396, #12397, #12381, #12382, #12383, #12384, #11871, #13195, #13121, #13748, 
#13899, #12719, #5155, #14070, #14079, #14150, #14158, #14182, #14184, #14054  
|      Stopgaps:                           
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Comment (by jdemeyer):

 Replying to [comment:254 jhpalmieri]:
 > {{{
 > sage -t --long devel/sage/sage/doctest/forker.py
 > **********************************************************************
 > File "devel/sage/sage/doctest/forker.py", line 1693, in
 sage.doctest.forker.DocTestWorker.read_messages
 > Failed example:
 >     while W.rmessages is not None:
 >         W.read_messages()
 > Exception raised:
 >     Traceback (most recent call last):
 >       File
 
"/Users/palmieri/Desktop/Sage_stuff/sage_builds/sage-5.8.beta2/local/lib/python2.7
 /site-packages/sage/doctest/forker.py", line 436, in _run
 >         self.execute(example, compiled, test.globs)
 >       File
 
"/Users/palmieri/Desktop/Sage_stuff/sage_builds/sage-5.8.beta2/local/lib/python2.7
 /site-packages/sage/doctest/forker.py", line 792, in execute
 >         exec compiled in globs
 >       File "<doctest
 sage.doctest.forker.DocTestWorker.read_messages[9]>", line 2, in <module>
 >         W.read_messages()
 >       File
 
"/Users/palmieri/Desktop/Sage_stuff/sage_builds/sage-5.8.beta2/local/lib/python2.7
 /site-packages/sage/doctest/forker.py", line 1703, in read_messages
 >         s = os.read(self.rmessages, 4096)
 >     OSError: [Errno 4] Interrupted system call
 > **********************************************************************
 > 1 item had failures:
 >    1 of  13 in sage.doctest.forker.DocTestWorker.read_messages
 >     [384 tests, 1 failure, 17.3 s]
 > }}}
 That actually looks serious, I'll have a look.

 > {{{
 > Installing c_lib
 > ESC[?1034hscons: `install' is up to date.
 > }}}
 That's before the doctester starts, so it's not our problem.

 > Except for the nonrepeatable failure, I see no difference with or
 without `import readline`.
 Is the `[[?1034h` control code gone when you remove `import readline`?

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12415#comment:255>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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