How do I effectively unit test view models in my application?

How do I effectively unit test view models in my application?

Unit testing view models involves testing the logic and behavior of your view models in isolation. You can use frameworks like NUnit or xUnit for .NET applications.

What are some best practices for writing these tests?

Some best practices include keeping tests small and focused, using mock objects for dependencies, and ensuring tests are independent of each other.

Can you give me an example of a unit test for a view model?

Sure! Here's a simple example using xUnit:

[Fact]
public void TestViewModelProperty()
{
    var viewModel = new MyViewModel();
    viewModel.MyProperty = "Test";
    Assert.Equal("Test", viewModel.MyProperty);
}

How do I handle asynchronous methods in my unit tests?

You can use async/await in your tests. Make sure to return a Task from your test method and use await when calling the asynchronous methods.