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This repository hosts the code for the Windows Phone driver. Its first iteration is intended for testing the mobile web on Windows Phone 8. It should be able to support testing via an emulator, or via actual devices, though actual device testing has yet to occur.

The driver is implemented as a command-line executable, which is compatible with the WebDriver JSON Wire Protocol. This means that any language with a WebDriver language binding (including Java) can use that binding's RemoteWebDriver implementation to speak directly to the command-line executable server application.

The command-line executable, WindowsPhoneDriverServer.exe, communicates to an application that gets installed on the Windows Phone 8 device or emulator at runtime. This application contains a WebBrowser control, through which websites are browsed and examined by the WebDriver methods.

Requirements to Run the Windows Phone Driver

  • Windows 8 or higher
  • Microsoft .NET Framework 4.5
  • For use of the Windows Phone emulator, the Windows Phone 8.1 SDK is required.

Using the Windows Phone Driver

Browser-specific driver classes for various langauges are planned, but until they are created, the following steps should be followed to use the Windows Phone Driver:

  1. Launch the WindowsPhoneDriverServer.exe, optionally indicating which port on which the server should listen on the commmand line (the default port is 7332).
  2. Use the RemoteWebDriver class in your language binding to communicate with the server using http://localhost:.

When the server is running, and you are executing WebDriver code against it, the WindowsPhoneDriverBrowser mobile application should be installed onto the device or emulator automatically, and begin browsing to the sites you specify. If you are using the emulator, you should see the emulator launch automatically as well.

Requirements to Develop the Windows Phone Driver

For development of the Windows Phone Driver, the following prerequisites are required, in addition to those required above for running the driver:

  • Windows Phone 8.1 SDK
  • A clone of the WebDriver project source tree
  • Java Development Kit (for compilation of the WebDriver project)
  • Python (optional, for enhancing performance of compiling the WebDriver project)
  • Visual Studio 2013 with Update 2 or higher
  • StyleCop, for enforcing consistent C# coding style

Developing the Windows Phone Driver

The Windows Phone Driver is written in C#, as it requires a Windows Phone 8 application. It is not intended to run on the Mono framework.

Code correctness is maintained by a combination of static code analysis and integration tests. Visual Studio 2013 includes static analysis tools that should be executed before committing code. Testing is accomplished by using the RemoteWebDriver tests in the Selenium project's .NET bindings.

Consistent code style is maintained by use of StyleCop, which can be run as an add-in to Visual Studio, or can be run stand-alone. The correct StyleCop settings for each project in the Visual Studio solution are checked into the project, and should not need modification.

The Windows Phone Driver is dependent on the WebDriver project's JavaScript [Automation Atoms] ( From time to time, these will need to be refreshed. Refreshing these has been made pretty simple. From a Visual Studio 2013 Command Prompt, in the root of the Windows Phone Driver project, you can execute the following command:

support\updateatoms.cmd <full path to your clone of the WebDriver source code>

This will execute the build script in the WebDriver project required to build the atoms for the Windows Phone Driver and copy the updated file into the correct location in the project tree.

Testing Your Changes to the Windows Phone Driver

The Windows Phone Driver can be tested using the RemoteWebDriver tests in the WebDriver project's .NET bindings integration tests. To accomplish this, you will need to perform the following steps:

  1. Build the Windows Phone Driver project.
  2. From the bin\\[Debug|Release] directory, start WindowsPhoneDriverServer.exe with the following command: bin\[Debug|Release]\WindowsPhoneDriverServer.exe /port:6000 /urlpath:wd/hub
  3. In your WebDriver project clone, make the following changes to the WebDriver.Remote.Tests.config file:
    • For the add element with the key attribute named DriverName, change the value attribute to WindowsPhone
    • For the add element with the key attribute named AutoStartRemoteServer, change the value attribute to false
    • For the add element with the key attribute named HostName, change the value attribute to the IP address of your local machine
  4. Run the .NET RemoteWebDriver tests using NUnit or using the WebDriver project's 'go' build command with the target //dotnet/test/remote:remote:run


A WebDriver remote end implementation for Windows Phone



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