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Mastering MVVM With Swift

Protocol Oriented Programming and Dependency Injection (Combine)

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If we want to unit test the AddLocationViewModel class, we need the ability to stub the responses of the geocoding requests we make to Apple's location services. Only then can we write fast and reliable unit tests. Being in control of your environment is essential if your goal is creating a fast and robust test suite.

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Next Episode "Testing and Mocking (RxSwift)"