#8800: Doctest coverage of categories
--------------------------+-------------------------------------------------
   Reporter:  SimonKing   |       Owner:  Simon King         
       Type:  defect      |      Status:  needs_review       
   Priority:  major       |   Milestone:  sage-4.4.2         
  Component:  categories  |    Keywords:  categories doctests
     Author:  Simon King  |    Upstream:  N/A                
   Reviewer:              |      Merged:                     
Work_issues:              |  
--------------------------+-------------------------------------------------
Changes (by SimonKing):

  * status:  new => needs_review


Comment:

 * The patch is to be applied ''after the patches from'' #8807.

 * It raises the '''doctest coverage of sage.categories.functor and
 sage.categories.pushout to 100%''' and occasionally adds doc tests in
 other places.

 * It fixes numerous bugs related with coercion, as indicated in the posts
 above.

 Constructing doc tests for pushout.py and functor.pyx revealed many bugs,
 so that I needed to change
 {{{
 sage/structure/parent.pyx
 sage/rings/ring.pyx
 sage/rings/rational_field.py
 sage/rings/quotient_ring.py
 sage/rings/qqbar.py
 sage/rings/polynomial/polynomial_quotient_ring.py
 sage/rings/number_field/number_field.py
 sage/modules/free_module.py
 sage/categories/pushout.py
 sage/categories/functor.pyx
 }}}

 The doc tests for all these files still pass.

 I think it would make no sense to put more on this ticket. The work on doc
 tests in map.pyx, morphism.pyx and action.pyx will be moved to a different
 ticket.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8800#comment:26>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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