Selenium学习笔记之外部化相关测试数据---xml

我们也可以用xml来定义一个信息更为丰富的UIMap.xml文件，比如，额外还添加控件所属的页，控件的类型，然后解析构建一个XMLParser类来读取相应的值。

 <?xml version="1.0" encoding="utf-8" ?>
 <UIMap>
   <Object ID="User Name">
     <Attributes Locator="userName" Page="Main Page" Type="Button"/>
   </Object>

   <Object ID="Password">
     <Attributes Locator="Password" Page="Main Page" Type="Button"/>
   </Object>
 </UIMap>

相应的解析xml的代码：

     public static String getLocator(String locatorID){
         InputStream ins=Thread.currentThread().getContextClassLoader()
             .getResourceAsStream(FileConstants.XMLFILE_NAME);
         if(ins==null){
             System.out.println("Missing UIMap.xml file.");
             return null;
         }

         DocumentBuilderFactory fac=DocumentBuilderFactory.newInstance();
         DocumentBuilder builder=null;
         try {
             builder = fac.newDocumentBuilder();
         } catch (ParserConfigurationException pce) {
             System.out.println("Failing to new DocumentBuilder for runtime exception.");
             throw new RuntimeException(pce);
         }

         Document xmlDoc=null;
         try {
             xmlDoc = builder.parse(ins);
         } catch (SAXException se) {
             System.out.println("Failing to parse xml file for runtime exception.");
             throw new RuntimeException(se);
         } catch (IOException ie) {
             System.out.println("Failing to parse xml file for runtime exception.");
             throw new RuntimeException(ie);
         }

         XPathFactory pathFac=XPathFactory.newInstance();
         XPath xpath = pathFac.newXPath();

         XPathExpression exp=null;
         try {
             exp = xpath.compile("UIMap/Object[@ID='"+locatorID+"']/Attributes");
         } catch (XPathExpressionException e) {
             System.out.println("Failing to get locator for :"+locatorID);
         }
         Node node=null;
         try {
             node = (Node)exp.evaluate(xmlDoc, XPathConstants.NODE);
         } catch (XPathExpressionException e) {

             e.printStackTrace();
         }finally{
             try{
                 if(ins!=null){
                     ins.close();
                 }
             }catch(Exception ex){
                 System.out.println("Failing to load UIMap.xml for runtime exception.");
                 throw new RuntimeException(ex);
             }
         }

         return node.getAttributes().getNamedItem("Locator").getNodeValue();
     }

测试代码：

 selenium.type(UIMapParser.getLocator("UserName"), "seleniumtest");
 selenium.type(UIMapParser.getLocator("Password"), "seleniumtest");