Added tests for multiselect toggle functionality

notebook/tests/notebook/multiselect_toggle.js

@@ -0,0 +1,70 @@
+// Test
+casper.notebook_test(function () {
+    var that = this;
+    
+    var a = 'print("a")';
+    var index = this.append_cell(a);
+
+    var b = 'print("b")';
+    index = this.append_cell(b);
+
+    var c = 'print("c")';
+    index = this.append_cell(c);
+
+    this.then(function () {   
+        /**
+         * Test that cells, which start off not collapsed, are collapsed after
+         * calling the multiselected cell toggle.
+         */     
+        var cell_output_states = this.evaluate(function() {
+            Jupyter.notebook.select(0);
+            Jupyter.notebook.extend_selection_by(2);
+            var indices = Jupyter.notebook.get_selected_cells_indices();
+            Jupyter.notebook.toggle_cells_outputs();
+            return indices.map(function(index) {
+                return Jupyter.notebook.get_cell(index).collapsed;
+            });
+        });
+
+        this.test.assert(cell_output_states.every(function(cell_output_state) {
+            return cell_output_state == false;
+        }), "ensure that all cells are not collapsed");
+        
+        /**
+         * Test that cells, which start off not scrolled are scrolled after
+         * calling the multiselected scroll toggle.
+         */
+        var cell_scrolled_states = this.evaluate(function() {
+            Jupyter.notebook.select(0);
+            Jupyter.notebook.extend_selection_by(2);
+            var indices = Jupyter.notebook.get_selected_cells_indices();
+            Jupyter.notebook.toggle_cells_outputs_scroll();
+            return indices.map(function(index) {
+                return Jupyter.notebook.get_cell(index).output_area.scroll_state;
+            });
+        });
+
+        this.test.assert(cell_scrolled_states.every(function(cell_scroll_state) {
+            return cell_scroll_state;
+        }), "ensure that all have scrolling enabled");
+
+        /**
+         * Test that cells, which start off not cleared are cleared after
+         * calling the multiselected scroll toggle.
+         */
+        var cell_outputs_cleared = this.evaluate(function() {
+            Jupyter.notebook.select(0);
+            Jupyter.notebook.extend_selection_by(2);
+            var indices = Jupyter.notebook.get_selected_cells_indices();
+            Jupyter.notebook.clear_cells_outputs();
+            return indices.map(function(index) {
+                return Jupyter.notebook.get_cell(index).output_area.element.html();
+            });
+        });
+
+        this.test.assert(cell_outputs_cleared.every(function(cell_output_state) {
+            return cell_output_state == "";
+        }), "ensure that all cells are cleared");
+
+    });
+});