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