Your First Real Flutter Unit Tests

Yeah, the Flutter Skeleton Template App has unit tests in it. But, faking unit testing is not a good way to teach Flutter Best Practices. In this article, I am going to show you how to write unit tests for the Domain and Data Layers.

Along the way, I will show you some Flutter Unit Test Best Practices.

And the example code is in this repo:

GitHub - fredgrott/flutter_starterapp_raw: Flutter StarterApp

Let’s get to code

Testing The Data Source

If you remember from the previous article, we have a data source:

So to test it, we are going to use mocks: