As the Apollo ecosystem evolves we find ourselves relying extensively on the underlying functionality it provides. The recent version 3 has highlighted this with the introduction of domain driven type policies and local state management. This enables engineers to consolidate business logic, centralise state and perform advanced data manipulation. However, we now enter dangerous territory where our apps are heavily dependent on external data and the Apollo library.

Writing tests is essential for any Apollo application that aims to be scalable, robust and allows its developers to sleep soundly at night. …

Adam Hannigan

Team Lead at Assignar. Sydney, Australia. We’re hiring https://assignar.breezy.hr/

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