Add UI test cases for messages on cookbook (#1562)

test/editor/pageobjects/nodes/node_page.js

@@ -0,0 +1,44 @@
+/**
+ * Copyright JS Foundation and other contributors, http://js.foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+function Node(id) {
+    this.id = '//*[@id="' + id + '"]';
+}
+
+Node.prototype.edit = function() {
+    browser.clickWithWait(this.id);
+    browser.clickWithWait(this.id);
+    // Wait until an edit dialog opens.
+    browser.waitForVisible('#node-dialog-ok', 2000);
+}
+
+Node.prototype.clickOk = function() {
+    browser.clickWithWait('#node-dialog-ok');
+    // Wait untile an edit dialog closes.
+    browser.waitForVisible('#node-dialog-ok', 2000, true);
+}
+
+Node.prototype.connect = function(targetNode) {
+    var outputPort = this.id + '/*[@class="port_output"]';
+    var inputPort = targetNode.id + '/*[@class="port_input"]';
+    browser.dragAndDrop(outputPort, inputPort)
+}
+
+Node.prototype.clickLeftButton = function() {
+    browser.clickWithWait(this.id + '/*[@class="node_button node_left_button"]');
+}
+
+module.exports = Node;