麻烦在编码的UI测试中更改当前浏览器 [英] Troubles changing current browser in Coded UI Tests

问题描述

我已经用C＃编写了一些自动化的Web测试，它们使用了已编码的UI测试库。

这些测试不是一堆记录下来的动作，它们已经被编码并在IE上执行。

我正在使用Visual Studio 2010，并且试图在Firefox 3.6上启动测试。我已经为此目的安装了必需的组件。

问题是我想选择要用来测试应用程序的浏览器，所以我想更改字段 currentBrowser，但由于是静态成员属性而无法访问此属性。

我尝试使用反射库访问该属性，但是我无法实现这一目标。

这是我当前代码的示例：

  BrowserWindow browserWin =新的BrowserWindow（）; 
 
 //复制dll 
 Assembly testAssembly = Assembly.LoadFile（@ c：\Microsoft.VisualStudio.TestTools.UITesting.dll）; 
 
 //从刚刚加载的程序集中获取类BrowserWindow的类型
类型BrowserWindowType = testAssembly.GetType（ Microsoft.VisualStudio.TestTools.UITesting.BrowserWindow）; 
 
对象browserInstance = Activator.CreateInstance（BrowserWindowType，new object [] {}）; 
 PropertyInfo BrowserPropertyInfo = BrowserWindowType.GetProperty（ CurrentBrowser）; 
 
 //属性的设置值：public 
 BrowserPropertyInfo.SetValue（browserInstance， FireFox，null）; 
 //获取属性值：public 
字符串值=（string）BrowserPropertyInfo.GetValue（browserInstance，null）; 
  

我也尝试过以下代码行：

  typeof（BrowserWindow）.InvokeMember（ set_CurrentBrowser，BindingFlags.InvokeMethod | BindingFlags.DeclaredOnly | BindingFlags.Public | BindingFlags.Static，null，bw，args，null，null，null ）; 
  

但是该属性的值 currentBrowser从未修改。

我需要某种特殊权限吗？也许像 ReflectionPermission之类的东西

非常感谢

解决方案

看起来应该像这样：

  BrowserWindow.CurrentBrowser = firefox; 
 BrowserWindow bw = BrowserWindow.Launch（new Uri（ uriAsString））; 
 //此时，如果您已安装当前的跨浏览器
 //组件并安装了预期版本的firefox（我有26个）
  

您说：

问题是我我想选择我要用来测试我的应用程序的浏览器，所以我想更改字段 currentBrowser，但是由于具有静态成员属性，我无法访问此属性。

静态不会阻止访问。这意味着您不需要该对象的实例即可访问属性/方法。如果通过对象浏览器查看该类，则会看到以下内容：

 公共静态字符串CurrentBrowser {get;组; } 
  

所以我们知道我们可以使用它，因为它是公开的。我们可以获取值并设置值，因为它包含 get; 和 set; 而没有隐藏访问修饰符。 / p>

I have coded some automated web tests in C#, they use the Coded UI Test Library.

These tests are not a bunch of recorded actions, They have been coded and executed on IE.

I am using Visual Studio 2010 and I'm trying to launch my tests on Firefox 3.6. I have already installed the required components for this purpose.

The problem is that I want to choose the browser I want to use to test my applications, so I want to change the field "currentBrowser" but I cannot have access to this property because is a static member property.

I have tried to use Reflection library to access the property, but I cannot achieve it.

This is an example of my current code:

BrowserWindow browserWin = new BrowserWindow();

// Copy the dll 
Assembly testAssembly = Assembly.LoadFile(@"c:\Microsoft.VisualStudio.TestTools.UITesting.dll");

// get type of class BrowserWindow from just loaded assembly
Type BrowserWindowType = testAssembly.GetType("Microsoft.VisualStudio.TestTools.UITesting.BrowserWindow");

object browserInstance = Activator.CreateInstance(BrowserWindowType, new object[] {});
PropertyInfo BrowserPropertyInfo = BrowserWindowType.GetProperty("CurrentBrowser");   

//set value of property: public 
BrowserPropertyInfo.SetValue(browserInstance,"FireFox", null);
// get value of property: public 
string value = (string)BrowserPropertyInfo.GetValue(browserInstance, null);

I have also tried this line of code:

typeof(BrowserWindow).InvokeMember("set_CurrentBrowser", BindingFlags.InvokeMethod | BindingFlags.DeclaredOnly |BindingFlags.Public | BindingFlags.Static, null, bw, args,null,null,null);

But the property's value "currentBrowser" never is modified.

Do I need some kind of special permissions? Maybe something like "ReflectionPermission"

Thank you very much

解决方案

It should look something like this:

BrowserWindow.CurrentBrowser = "firefox";
BrowserWindow bw = BrowserWindow.Launch(new Uri("uriAsString"));
// At this point, it should launch firefox if you have the current cross-browser
// components installed and the expected version of firefox (I have 26)

You said:

The problem is that I want to choose the browser I want to use to test my applications, so I want to change the field "currentBrowser" but I cannot have access to this property because is a static member property.

Static does not prevent access. It means you do not need an instance of that object to access the property/method. If you look at the class via the object browser you will see this:

public static string CurrentBrowser { get; set; }

So we know we have access to it because it's public. We can get the value and set the value because it contains get; and set; with no hiding access modifiers.

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