In this episode, Paul talks to Ellen Shapiro about her approach to testing, Swift Package Manager, GraphQL, and more.

Detailed topics:

• Productivity in uncertain times 


• Understanding Apollo GraphQL


• Is GraphQL only a query language or does it refer to an actual database?


• Killer features of GraphQL: code generation, flexibility, and efficiency


• How to integrate GraphQL with your app


• Is it possible to use GraphQL with an existing Core Data stack?


• How much work is it to migrate a server from REST to GraphQL?


• Ellen's recommendation on language for backend GraphQL


• A pragmatic approach to testing 


• UI testing breadth vs execution time


• How to add the first tests to a project


• Should you write tests as you go or all at the end?


• How do you write testable code?


• What things must be tested?


• Tips for swaying clients away from 100% test coverage


• How to keep testing coverage up over time


• Assertions and preconditions vs guard and fatal errors


• Using Swift Package Manager and CocoaPods instead of Carthage


• The SwiftPM team has been working on landing all current adoption blockers


• Why video is better than text to communicate


• Opinions on working from home


• What is Horror Scrolling?


• Should junior developers work remotely?


• How to get your first iOS Development job  


• What Ellen expects from this WWDC20