Testing and Debugging GraphQL APIs in NestJS

Welcome to Chapter 8, where we’re diving deep into the world of GraphQL APIs with NestJS. If you thought testing and debugging REST APIs was fun, wait until you get a load of what GraphQL brings to the table. We’re talking about a whole new playground of testing strategies and debugging techniques that are as unique as GraphQL itself. This isn’t just about making sure things work; it’s about unlocking the full power of GraphQL to create APIs that are not just error-free but downright bulletproof.

Remember the GraphQL version of the user management system we built back in Chapter 6? Well, it’s about to get a whole lot more interesting as we gear up to apply some serious GraphQL testing magic to it. From the nitty-gritty of unit testing GraphQL resolvers to the thrill of end-to-end (E2E) testing, we’ve got a lot to cover. Let’s not forget the detective work of debugging, where we’ll...