使用UI Automation实现自动化测试（4.7）——TogglePattern

您的位置：
门户
>> 文章精选
>> 软件测试技术
>> 其他相关
>> 查看资讯

使用UI Automation实现自动化测试（4.7）——TogglePattern

发表于：2009-11-13 13:46

字体：大中小 | 上一篇 | 下一篇 | 我要投稿

作者：开着拖拉机来源：51Testing软件测试网采编

软件测试框架

界面测试

自动化测试

　　TogglePattern

　　支持TogglePattern的控件有CheckBox，TreeView中的button控件等。

　　1.TogglePattern的方法

　　Toggle方法用于操作可以循环通过的一组状态并在设置后保持某种状态。

　　2.TogglePattern属性

　　Current属性中的ToggleState有如下三种状态：

　　1.On

　　2.Off

　　3.Indeterminate

　　如下代码演示了使用TogglePattern来操作CheckBox控件。

using System;
2

using System.Text;
3

using System.Diagnostics;
4

using System.Threading;
5

using System.Windows.Automation;
6

namespace UIATest
8{
9    class Program
10    {
11        static void Main(string[] args)
12        {
13            Process process = Process.Start(@"F:\CSharpDotNet\AutomationTest\ATP\WpfApp\bin\Debug\WpfApp.exe");
14            int processId = process.Id;
15
16            Thread.Sleep(1000);
17            AutomationElement element = FindElementById(processId, "checkBox1");
18            TogglePattern togglePattern = GetTogglePattern(element);
19            togglePattern.Toggle();
20        }
21
22        /// <summary>
23        /// Get the automation elemention of current form.
24       /// </summary>
25        /// <param name="processId">Process Id</param>
26        /// <returns>Target element</returns>
27        public static AutomationElement FindWindowByProcessId(int processId)
28        {
29            AutomationElement targetWindow = null;
30            int count = 0;
31            try
32            {
33                Process p = Process.GetProcessById(processId);
34                targetWindow = AutomationElement.FromHandle(p.MainWindowHandle);
35                return targetWindow;
36            }
37            catch (Exception ex)
38            {
39                count++;
40                StringBuilder sb = new StringBuilder();
41                string message = sb.AppendLine(string.Format("Target window is not existing.try #{0}", count)).ToString();
42                if (count > 5)
43                {
44                    throw new InvalidProgramException(message, ex);
45                }
46                else
47                {
48                    return FindWindowByProcessId(processId);
49               }
50            }
51        }
52
53        /// <summary>
54        /// Get the automation element by automation Id.
55        /// </summary>
56        /// <param name="windowName">Window name</param>
57        /// <param name="automationId">Control automation Id</param>
58        /// <returns>Automatin element searched by automation Id</returns>
59        public static AutomationElement FindElementById(int processId, string automationId)
60        {
61            AutomationElement aeForm = FindWindowByProcessId(processId);
62            AutomationElement tarFindElement = aeForm.FindFirst(TreeScope.Descendants,
63            new PropertyCondition(AutomationElement.AutomationIdProperty, automationId));
64            return tarFindElement;
65        }
66
67         #region TogglePattern helper
68
69         /// <param name="element">AutomationElement instance</param>
70        /// <returns>TogglePattern instance</returns>
71        public static TogglePattern GetTogglePattern(AutomationElement element)
72        {
73            object currentPattern;
74            if (!element.TryGetCurrentPattern(TogglePattern.Pattern, out currentPattern))
75            {
76                throw new Exception(string.Format("Element with AutomationId '{0}' and Name '{1}' does not support the TogglePattern.",
77                    element.Current.AutomationId, element.Current.Name));
78            }
79            return currentPattern as TogglePattern;
80        }
81
82        #endregion
83    }
84}
85

　　如下代码为对应的XAML：

<Window x:Class="WpfApp.Window1"
2

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
3

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
4

Title="Window1" Height="219" Width="353">
5

<Grid>
6