Which tool we should we for Windows application automation? WinAppDriver or Selenium or Appium?

Hello,

For automating UI testing of .NET MAUI and WinUI desktop applications on Windows, I recommend using Appium in conjunction with WinAppDriver, paired with a .NET test framework such as NUnit, xUnit, or MSTest.

Recommendation

• Utilize Appium with WinAppDriver as the primary automation layer and author tests using a .NET unit test framework (NUnit, xUnit, or MSTest).
• Note that Selenium is designed for web browser automation and is not suitable for Windows desktop UI testing. Instead, rely on Appium with WinAppDriver for optimal results.

Checklist

To set up and execute automated tests:

1. Install and Start WinAppDriver: Ensure WinAppDriver is installed and running, listening on the default address.
2. Add Appium WebDriver Client: Include the Appium WebDriver client in your test project, compatible with NUnit, xUnit, or MSTest.
3. Configure Desired Capabilities:
   • platformName: Windows
   • deviceName: WindowsPC
   • app: Specify the path to your application executable or its app ID
4. Develop Tests: Initialize an Appium session, locate UI elements (preferably using AccessibilityId), perform actions, and validate outcomes with assertions.
5. Integrate with CI: Incorporate your tests into a continuous integration (CI) system, ensuring they run on a Windows build agent for consistent execution.

Alternatives

• FlaUI (UIA3): A viable alternative for a pure .NET-based approach to UI Automation, particularly suitable for Windows-only environments.
• Power Automate Desktop: While effective for robotic process automation (RPA) workflows, it is not recommended for deterministic and maintainable test automation scenarios.

References

You could check out these resources for further information:

• .NET MAUI - UI testing with Appium and NUnit - Microsoft Learn
• WinAppDriver - Github
• WinAppDriver Wiki - Github
• Appium.WebDriver - Nuget
• Appium .NET Client - Github
• Appium Quick Start - Appium

Hello,

WinAppDriver, Selenium and Appium are all automated UI testing tools.

For Maui's automated UI testing on Windows, the official website provides a code repository using Appium and Nunit. You can refer to the following Microsoft blog and code examples.

• Getting started with UI testing .NET MAUI apps using Appium.
• BasicAppiumNunitSample.

Best Regards,

Alec Liu.

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