How can I isolate viewmodels in testing?
Isolating viewmodels in testing involves creating mock objects for dependencies and using techniques like dependency injection.
What are some common tools or frameworks for this?
Common tools include Mockito for Java, Moq for .NET, and Jest for JavaScript, which help in mocking dependencies.
Can you give me an example of a test case?
Sure! For a viewmodel that fetches user data, you can mock the data service to return a predefined user object.
How do I handle asynchronous operations in these tests?
You can use async/await in your test cases or specific methods provided by your testing framework to handle async operations.
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