upstream/ipython Files · IPython/html/tests/notebook/merge_cells_api.js

This feature was discussed in , but it doesn't look like anything was ever incorporated into the IPython Notebook....

This feature was discussed in , but it doesn't look like anything was ever incorporated into the IPython Notebook. Here's a brief overview of the changes: - Display of messages from other clients can be toggled on and off from within a notebook, either using the ``<M-m>e`` keyboard shortcut in the web UI, or through the option in the "Kernel" menu. - notebook.js controls whether messages are displayed through a callback that is invoked from kernel.js when no callbacks are available for a message. - The UI displays ``execute_input`` messages originating from an other clients in new cells at the end of the notebook. Output messages (``execute_result`` et al.) will only be displayed if a cell exists with a matching message ID. Pending design questions: - Should each ``execute_input`` message cause a new cell to be created? - Should new cells be placed at the end of the notebook, or elsewhere? If the latter, what criteria should be followed?

Jonathan Frederic - - Load All Authors

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             merge_cells_api.js
        
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             / IPython / html / tests / notebook / merge_cells_api.js
          
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      //

      // Test merging two notebook cells.

      //

      casper.notebook_test(function() {

          var that = this;

          var set_cells_text =  function () {

              that.evaluate(function() {

                  var cell_one = IPython.notebook.get_selected_cell();

                  cell_one.set_text('a = 5');

              });

              that.trigger_keydown('b');

              that.evaluate(function() {

                  var cell_two = IPython.notebook.get_selected_cell();

                  cell_two.set_text('print(a)');

              });

          };

          this.evaluate(function () {

              IPython.notebook.command_mode();

          });

          // merge_cell_above()

          set_cells_text();

          var output_above = this.evaluate(function () {

              IPython.notebook.merge_cell_above();

              return IPython.notebook.get_selected_cell().get_text();

          });

          // merge_cell_below()

          set_cells_text();

          var output_below = this.evaluate(function() {

              IPython.notebook.select(0);

              IPython.notebook.merge_cell_below();

              return IPython.notebook.get_selected_cell().get_text();

          });

          this.test.assertEquals(output_above, 'a = 5\nprint(a)',

                                 'Successful merge_cell_above().');

          this.test.assertEquals(output_below, 'a = 5\nprint(a)',

                                 'Successful merge_cell_below().');

      });

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				//
				// Test merging two notebook cells.
				//
				casper.notebook_test(function() {
				var that = this;
				var set_cells_text = function () {
				that.evaluate(function() {
				var cell_one = IPython.notebook.get_selected_cell();
				cell_one.set_text('a = 5');
				});

				that.trigger_keydown('b');

				that.evaluate(function() {
				var cell_two = IPython.notebook.get_selected_cell();
				cell_two.set_text('print(a)');
				});
				};

				this.evaluate(function () {
				IPython.notebook.command_mode();
				});

				// merge_cell_above()
				set_cells_text();
				var output_above = this.evaluate(function () {
				IPython.notebook.merge_cell_above();
				return IPython.notebook.get_selected_cell().get_text();
				});

				// merge_cell_below()
				set_cells_text();
				var output_below = this.evaluate(function() {
				IPython.notebook.select(0);
				IPython.notebook.merge_cell_below();
				return IPython.notebook.get_selected_cell().get_text();
				});

				this.test.assertEquals(output_above, 'a = 5\nprint(a)',
				'Successful merge_cell_above().');
				this.test.assertEquals(output_below, 'a = 5\nprint(a)',
				'Successful merge_cell_below().');
				});