Simple WPF app automation testing using TestStack.White

few reads before please
http://teststack.github.io/White/
http://blog.benhall.me.uk/2008/02/12/project-white-automated-ui-testing/
http://blogs.msdn.com/b/john_daddamio/archive/2008/04/04/testing-wpf-applications-with-the-white-ui-test-framework.aspx
http://www.codeproject.com/Articles/289028/White-An-UI-Automation-tool-for-windows-applicatio

To get AutomationId's use C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\Inspect.exe

Simple WPF app now

Concept of this application is simple - we will presented with a Login screen, once details are entered we will see a Welcome screen.

Mainwindow.xaml

<Window x:Class="SimpleWPF.MainWindow"

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

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

        Title="MainWindow" Height="350" Width="525" Closing="Window_Closing" Closed="Window_Closed" >

    <Grid>

        <Label Content="User Name" Height="26" HorizontalAlignment="Left" Margin="30,41,0,0" Name="user" VerticalAlignment="Top" Width="88" />

        <Label Content="Password" Height="26" HorizontalAlignment="Left" Margin="30,76,0,0" Name="label1" VerticalAlignment="Top" Width="88" />

        <TextBox Height="23" HorizontalAlignment="Left" Margin="137,41,0,0" Name="userValue" VerticalAlignment="Top" Width="120" />

        <TextBox Height="23" HorizontalAlignment="Right" Margin="0,76,246,0" Name="passwordValue" VerticalAlignment="Top" Width="120" />

        <Button Content="Login" Height="23" HorizontalAlignment="Left" Margin="137,121,0,0" Name="login" VerticalAlignment="Top" Width="75" Click="login_Click" />

    </Grid>

</Window>

Mainwindow.xaml.cs

using System;

using System.Windows;

namespace SimpleWPF

{

    /// 

    /// Interaction logic for MainWindow.xaml

    /// 

    public partial class MainWindow : Window

    {

        Welcome wel = new Welcome();

        public MainWindow()

        {

            InitializeComponent();

        }

        private void login_Click(object sender, RoutedEventArgs e)

        {

            if (string.IsNullOrWhiteSpace(userValue.Text))

            {

                MessageBox.Show("Please enter user name");

                return;

            }

            if (string.IsNullOrWhiteSpace(passwordValue.Text))

            {

                MessageBox.Show("Please enter password");

                return;

            }

            if (userValue.Text.Equals("suresh") && passwordValue.Text.Equals("password"))

            {

                wel.Show();

            }

        }

        private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)

        {

            if (wel.Visibility == System.Windows.Visibility.Visible) wel.Close();

        }

        private void Window_Closed(object sender, EventArgs e)

        {

            Application.Current.Shutdown();

        }

    }

}

Welcome.xaml

<Window x:Class="SimpleWPF.Welcome"

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

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

        Title="Welcome" Height="300" Width="300">

    <Grid>

        <Label Content="Welcome to hell" Height="28" HorizontalAlignment="Left" Margin="53,119,0,0" Name="label1" VerticalAlignment="Top" Width="164" />

    </Grid>

</Window>

SimpleWPFShould.xaml

using System.Diagnostics;

using Microsoft.VisualStudio.TestTools.UnitTesting;

using White.Core;

using White.Core.Factory;

using White.Core.UIItems.Finders;

using White.Core.InputDevices;

namespace SimpleWPFTest

{

    [TestClass]

    public class SimpleWPFShould

    {

        // source exe file path.

        private const string ExeSourceFile = @"C:\\Users\\sureshM\\Documents\\Visual Studio 2010\\Projects\\MyUIAutomation\\SimpleWPF\\bin\\Debug\\SimpleWPF.exe";

        //Global Variable to for Application launch

        private static Application _application = default(Application);

        //Global variable to get the Main window of calculator from application.

        private static White.Core.UIItems.WindowItems.Window _mainWindow = null;

        [ClassInitialize]

        public static void Initialize(TestContext context)

        {

            //start process for the above exe file location

            var psi = new ProcessStartInfo(ExeSourceFile);

            psi.UseShellExecute = false;

            // launch the process through white application

            _application = White.Core.Application.AttachOrLaunch(psi);

            //Get the window of calculator from white application 

            _mainWindow = _application.GetWindow(SearchCriteria.ByText("MainWindow"), InitializeOption.NoCache);

        }

        [ClassCleanup]

        public static void Cleanup()

        {

            _application.Close();

        }

        [TestMethod]

        public void OpenAndCloseSuccessfully()

        {

            Assert.IsNotNull(_application);

        }

        [TestMethod]

        public void LoadMainWindowSuccessfully()

        {

            Assert.IsNotNull(_mainWindow);

        }

        [TestMethod]

        public void LoginSuccessfully()

        {

            var user = _mainWindow.Get<White.Core.UIItems.TextBox>(SearchCriteria.ByAutomationId("userValue"));

            var password = _mainWindow.Get<White.Core.UIItems.TextBox>(SearchCriteria.ByAutomationId("passwordValue"));

            var login = _mainWindow.Get<White.Core.UIItems.Button>(SearchCriteria.ByAutomationId("login"));

            user.Text = "suresh";

            password.Text = "password";

            login.Click();

            var welcome = _application.GetWindow(SearchCriteria.ByText("Welcome"), InitializeOption.NoCache);

            var welcomeMessage = welcome.Get<White.Core.UIItems.Label>(SearchCriteria.ByAutomationId("label1"));

            Assert.IsTrue(welcomeMessage.Text.Equals("Welcome to hell"));

            Assert.IsNotNull(welcome);

            welcome.Close();

        }

    }

}