Archive for April, 2008

Unit Testing User Interfaces – Presentation Model

As mentioned in the introduction, I’m going to attempt to unit test my presentation model example application first. Of all the presentation patterns I’ve looked at, I’m expecting the presentation model to be the easiest to unit test.

Challenges

By extracting view state and logic from the view, presentation model classes do not have any dependencies on view classes. They do sometimes have dependencies on each other, so test doubles may be required to isolate the functionality in one presentation model from functionality in another.

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