MVVM Unit Testing in .Net Maui Windows Application

Question

I am trying to do some MVVM unit testing using xUnit. My ViewModel has a dependency and i was wondering as I try to test it how would I handle this dependency. Thanks !

public partial class MainPageViewModel : ObservableObject
{
    private readonly IWrkDirQueries _wrkData;
    public MainPageViewModel(IWrkDirQueries wrkDirDataAccess)
    {
        _wrkData = wrkDirDataAccess;
        RefreshCustomerList();
    }

Answer 1

Hello,

You can test this ViewModel using dependency injection or instantiation of this parameter.

Please refer to Testing MVVM applications for officially recommended best practices.

Best Regards,

Alec Liu.

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