Add test for checking deletion with undo.

tests/10_undo_test.js

@@ -0,0 +1,57 @@
+let test_utils = require('./test_utils');
+let model_building_utils = require('./model_building_utils');
+let user = "./users/testuser/";
+
+module.exports = {
+
+    beforeEach : function (client) {
+        client.url('http://localhost:8124/atompm').pause(300);
+    },
+
+    'Login' : function (client) {
+        test_utils.login(client);
+    },
+
+    'Check undo of deletion' : function (client) {
+        let filename = '/Formalisms/__LanguageSyntax__/SimpleClassDiagram/SimpleClassDiagram.umlIcons.metamodel';
+        test_utils.load_toolbar(client, [filename]);
+
+
+        let classIcon = "#\\/Formalisms\\/__LanguageSyntax__\\/SimpleClassDiagram\\/SimpleClassDiagram\\.umlIcons\\.metamodel\\/ClassIcon";
+        client.waitForElementPresent(classIcon, 2000, "Check for class icon...");
+        client.click(classIcon);
+
+        let canvas = "#div_canvas";
+        client.waitForElementPresent(canvas, 1000, "Checking for canvas...");
+
+        let num_elements = 0;
+
+        //BUILD CLASS
+        let class_div = model_building_utils.create_class(client, 50, 200, 0);
+
+        //DELETE CLASS
+        model_building_utils.delete_element(client, class_div);
+
+        //CHECK FOR PRESENCE
+        client.waitForElementNotPresent(class_div, 1000, "Class deleted");
+
+        //UNDO
+        let undoBtn = "#\\/Toolbars\\/MainMenu\\/MainMenu\\.buttons\\.model\\/undo";
+        client.waitForElementPresent(undoBtn, 2000, "Check for undo button...");
+        client.click(undoBtn);
+        client.pause(1000);
+        client.click(undoBtn);
+        client.waitForElementPresent(class_div, 1000, "Class restored");
+
+        //SECOND DELETE
+        model_building_utils.delete_element(client, class_div);
+
+        //SECOND CHECK FOR PRESENCE
+        client.waitForElementNotPresent(class_div, 1000, "Class deleted for second time")
+    },
+
+    after : function (client) {
+        client.end();
+    },
+
+};