Terratest

Terratest is a Go library that provides patterns and helper functions for testing infrastructure, with 1st-class support for Terraform, Packer, Docker, Kubernetes, AWS, GCP, and more.

https://terratest.gruntwork.io/

Tutorials

• 5 Lessons Learned From Writing Over 300,000 Lines of Infrastructure Code
• How can you test your Infrastructure
• Testing For Infrastructure Pros (Test Your Terraform Code) 2021
• End To End Testing On Terraform With Terratest
• Testing Terraform modules with Terratest
• Test-driven development (TDD) for infrastructure
• How to test infrastructure as code - Terraform/TerraTest/Golang/Azure REST API