Xamarin Certification Xamarin Testing and Deployment

Question 1

Which testing framework is recommended for unit testing shared Xamarin code?

Accepted Answer

NUnit or xUnit

Answer

NUnit and xUnit are the standard .NET unit testing frameworks used to test shared Xamarin business logic and ViewModels.

Question 2

What is Xamarin.UITest used for?

Accepted Answer

Automated UI testing of iOS and Android apps using C#

Answer

Xamarin.UITest provides an automated UI testing framework that drives real device or simulator interactions using C# test code.

Question 3

Which cloud service provides device farms for running Xamarin.UITest on real physical devices?

Accepted Answer

App Center Test (formerly Test Cloud)

Answer

App Center Test (formerly Xamarin Test Cloud) runs Xamarin.UITest suites across hundreds of real iOS and Android devices in the cloud.

Question 4

What does Moq provide in the context of Xamarin unit testing?

Accepted Answer

A mocking library for creating test doubles of interfaces and abstract classes

Answer

Moq is a .NET mocking library used to create mock implementations of interfaces for isolating the unit under test.

Question 5

In Xamarin.UITest, which method is used to locate a UI element by its accessibility label?

Accepted Answer

app.Query(x => x.Marked("label"))

Answer

app.Query(x => x.Marked()) locates elements by their accessibility label, text, or Id cross-platform.

Xamarin Certification Practice Test