Building a Weather Application From Scratch
Unit Testing With Mock Objects
Earlier in this series, we wrote unit tests for the
WeekViewModel, and the
WeekDayViewModel structs. Writing those unit tests was fairly straightforward. Unit testing the
RootViewModel class is a bit more challenging for a number of reasons.
RootViewModel class asynchronously fetches the location of the device and weather data for a location. To unit test asynchronous operations, we need to take a different approach.
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