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

Shut down kernels in parallel...

Shut down kernels in parallel When stopping the notebook server, it currently sends a shutdown request to each kernel and then waits for the process to finish. This can be slow if you have several kernels running. This makes it issues all the shutdown requests before waiting on the processes, so shutdown happens in parallel. KernelManager (and MultiKernelManager) gain three new public API methods to allow this: * request_shutdown (promoted from a private method) * wait_shutdown (refactored out of shutdown_kernel) * cleanup (refactored out of shutdown_kernel)

Jonathan Frederic - - Load All Authors

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             dualmode_merge.js
        
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             / IPython / html / tests / notebook / dualmode_merge.js
          
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      // Test

      casper.notebook_test(function () {

          this.then(function () {

              // Split and merge cells

              this.select_cell(0);

              this.trigger_keydown('a', 'enter'); // Create cell above and enter edit mode.

              this.validate_notebook_state('a, enter', 'edit', 0);

              this.set_cell_text(0, 'abcd');

              this.set_cell_editor_cursor(0, 0, 2);

              this.test.assertEquals(this.get_cell_text(0), 'abcd', 'Verify that cell 0 has the new contents.');

              this.trigger_keydown('ctrl-shift-subtract'); // Split

              this.test.assertEquals(this.get_cell_text(0), 'ab', 'split; Verify that cell 0 has the first half.');

              this.test.assertEquals(this.get_cell_text(1), 'cd', 'split; Verify that cell 1 has the second half.');

              this.validate_notebook_state('split', 'edit', 1);

              this.select_cell(0); // Move up to cell 0

              this.trigger_keydown('shift-m'); // Merge

              this.validate_notebook_state('merge', 'command', 0);

              this.test.assertEquals(this.get_cell_text(0), 'ab\ncd', 'merge; Verify that cell 0 has the merged contents.');

          });

      });

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				// Test
				casper.notebook_test(function () {
				this.then(function () {
				// Split and merge cells
				this.select_cell(0);
				this.trigger_keydown('a', 'enter'); // Create cell above and enter edit mode.
				this.validate_notebook_state('a, enter', 'edit', 0);
				this.set_cell_text(0, 'abcd');
				this.set_cell_editor_cursor(0, 0, 2);
				this.test.assertEquals(this.get_cell_text(0), 'abcd', 'Verify that cell 0 has the new contents.');
				this.trigger_keydown('ctrl-shift-subtract'); // Split
				this.test.assertEquals(this.get_cell_text(0), 'ab', 'split; Verify that cell 0 has the first half.');
				this.test.assertEquals(this.get_cell_text(1), 'cd', 'split; Verify that cell 1 has the second half.');
				this.validate_notebook_state('split', 'edit', 1);
				this.select_cell(0); // Move up to cell 0
				this.trigger_keydown('shift-m'); // Merge
				this.validate_notebook_state('merge', 'command', 0);
				this.test.assertEquals(this.get_cell_text(0), 'ab\ncd', 'merge; Verify that cell 0 has the merged contents.');
				});
				});