Architecture and general layout

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Controllers, directives and unit testing Should I put methods in the directive or the controller?

Thinking through how you're going to unit test things will force you to think carefully about whether to put a method in a directive or the controller.

In general, methods related to business logic, navigation, etc. should be in the controller (and the directive can inherit them)

A directive is concerned with the view / DOM. If you're testing a method in a directive you should be testing it's changes to the DOM.