Creating Serverless Functions Using TDD

📰 Dev.to · Austin Vance

Learn to create serverless functions using Test-Driven Development (TDD) for more reliable and efficient code

intermediate Published 15 Apr 2026

Action Steps

Write a test for your serverless function using a testing framework like Jest or Pytest
Create a new serverless function using a cloud provider like AWS or Google Cloud
Run your test and see it fail because the function is not yet implemented
Implement the serverless function to make the test pass
Refactor the code to make it more efficient and maintainable
Deploy the function to a cloud provider and test it in production

Who Needs to Know This

Developers and DevOps teams can benefit from this approach to improve code quality and reduce bugs

Key Insight

💡 TDD helps ensure that serverless functions are reliable, efficient, and meet requirements