upstream/ipython Files · IPython/html/tests/widgets/widget_button.js

Handle some tricky Comm lifecycle issues...

Handle some tricky Comm lifecycle issues * If the comm was a primary comm, but there was an error opening it, _closed was False, which is wrong * If Comm.close() was called, but an error happened, it still appeared to be open This change makes the _closed attribute more conservative. If _closed is False, the comm is definitely open for messages. If _closed is True, we either didn't initialize correctly, or we tried to close at some point.

Jonathan Frederic - - Load All Authors

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             widget_button.js
        
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                | application/javascript
            
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                JavascriptLexer
            
             / IPython / html / tests / widgets / widget_button.js
          
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      // Test widget button class

      casper.notebook_test(function () {

          index = this.append_cell(

              'from IPython.html import widgets\n' + 

              'from IPython.display import display, clear_output\n' +

              'print("Success")');

          this.execute_cell_then(index);

          var button_index = this.append_cell(

              'button = widgets.Button(description="Title")\n' +

              'display(button)\n' +

              'print("Success")\n' +

              'def handle_click(sender):\n' +

              '    display("Clicked")\n' +

              'button.on_click(handle_click)');

          this.execute_cell_then(button_index, function(index){

              this.test.assertEquals(this.get_output_cell(index).text, 'Success\n',

                  'Create button cell executed with correct output.');

              this.test.assert(this.cell_element_exists(index, 

                  '.widget-area .widget-subarea'),

                  'Widget subarea exists.');

              this.test.assert(this.cell_element_exists(index, 

                  '.widget-area .widget-subarea button'),

                  'Widget button exists.');

              this.test.assert(this.cell_element_function(index, 

                  '.widget-area .widget-subarea button', 'html')=='Title',

                  'Set button description.');

              this.cell_element_function(index, 

                  '.widget-area .widget-subarea button', 'click');

          });

          this.wait_for_output(button_index, 1);

          this.then(function () {

              this.test.assertEquals(this.get_output_cell(button_index, 1)['text/plain'], "'Clicked'",

                  'Button click event fires.');

          });

      });

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				// Test widget button class
				casper.notebook_test(function () {
				index = this.append_cell(
				'from IPython.html import widgets\n' +
				'from IPython.display import display, clear_output\n' +
				'print("Success")');
				this.execute_cell_then(index);

				var button_index = this.append_cell(
				'button = widgets.Button(description="Title")\n' +
				'display(button)\n' +
				'print("Success")\n' +
				'def handle_click(sender):\n' +
				' display("Clicked")\n' +
				'button.on_click(handle_click)');
				this.execute_cell_then(button_index, function(index){

				this.test.assertEquals(this.get_output_cell(index).text, 'Success\n',
				'Create button cell executed with correct output.');

				this.test.assert(this.cell_element_exists(index,
				'.widget-area .widget-subarea'),
				'Widget subarea exists.');

				this.test.assert(this.cell_element_exists(index,
				'.widget-area .widget-subarea button'),
				'Widget button exists.');

				this.test.assert(this.cell_element_function(index,
				'.widget-area .widget-subarea button', 'html')=='Title',
				'Set button description.');

				this.cell_element_function(index,
				'.widget-area .widget-subarea button', 'click');
				});

				this.wait_for_output(button_index, 1);

				this.then(function () {
				this.test.assertEquals(this.get_output_cell(button_index, 1)['text/plain'], "'Clicked'",
				'Button click event fires.');
				});
				});