Testing Express REST API

Key takeaways

• An understanding of how important testing is
• Testing doesn't have to be complicated or difficult

What will you learn?

• Testing a REST API end-to-end with Supertest & mongodb-memory-server
• Mocking services
• Testing from the controller to the service

Read: https://github.com/goldbergyoni/javascript-testing-best-practices

What you will need

• Clone this repository: https://github.com/TomDoesTech/REST-API-Tutorial-Updated
• An IDE or text editor (VS Code)
• A package manager such as NPM or Yarn
• Node.js installed

What next?

• Testing the API with Jest
• Build a React.js user interface
• Add Prometheus metrics to the API
• Deploy the API with Caddy & Docker
• Add Google OAuth

Data flow

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