[Octave-bug-tracker] [bug #65644] jupyter-notebook tests fail if a figure is already open

[Nicholas Jankowski]

URL:
  <https://savannah.gnu.org/bugs/?65644>

                 Summary: jupyter-notebook tests fail if a figure is already
open
                   Group: GNU Octave
               Submitter: nrjank
               Submitted: Thu 25 Apr 2024 10:57:57 PM EDT
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error or Warning
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: dev
         Discussion Lock: Any
        Operating System: Any
           Fixed Release: None
         Planned Release: None


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Follow-up Comments:


-------------------------------------------------------
Date: Thu 25 Apr 2024 10:57:57 PM EDT By: Nicholas Jankowski <nrjank>
as noticed over on bug #65641 when a test accidentally left a figure window up
during the test suite,  that window being present caused a jupyter-notebook
test to fail. This can be verified with just testing jupyter-notebook.

with no figures open:

close all
test jupyter-notebook.tst
PASSES 4 out of 4 tests



close all
figure
test jupyter-notebook.tst
***** testif HAVE_RAPIDJSON
 visibility = get (0, "defaultfigurevisible");
 toolkit = graphics_toolkit ();
 unwind_protect
   if (! strcmp (graphics_toolkit (), "qt"))
     try
       graphics_toolkit ("gnuplot");
     catch
       ## The system doesn't support gnuplot for drawing hidden
       ## figures.  Just return and have test marked as passing.
       return;
     end_try_catch
   endif
   set (0, "defaultfigurevisible", "off");

   n = jupyter_notebook (fullfile ("octave_kernel.ipynb"));
   n.run_all ();

   ## Test embedding images
   assert (n.notebook.cells{3}.outputs{1}.output_type, "display_data")
   assert (isfield (n.notebook.cells{3}.outputs{1}.data, "image/png"));
   assert (getfield (n.notebook.cells{3}.outputs{1}.data, "text/plain"),
           {"<IPython.core.display.Image object>"});

   ## Test running non-code cells
   markdown_cell = n.notebook.cells{1};
   n.run (1);
   assert (markdown_cell, n.notebook.cells{1});

   ## Test embedding textual output
   assert (n.notebook.cells{6}.outputs{1}.output_type, "stream")
   assert (n.notebook.cells{6}.outputs{1}.name, "stdout");
 unwind_protect_cleanup
   set (0, "defaultfigurevisible", visibility);
   graphics_toolkit (toolkit);
 end_unwind_protect
!!!!! test failed
get: invalid handle (= 2)









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