DevOps
Pulumi programs are real code — TypeScript, Python, Go — which means you can test them with standard testing frameworks. Pulumi's built-in mocking system lets you unit test your infrastructure definitions without deploying anything to the cloud. For end-to-end validation, Pulumi Automation API runs real deployments in
Testing
Unit tests verify that your Pulumi code produces the resources you intend.
Testing
Most Terratest tutorials cover the basics: deploy a module, assert an output, destroy it.
Testing
CDK unit tests with assertions.Template are fast and require no AWS account — but they only verify the CloudFormation template you generate, not what AWS actually creates. Integration tests deploy real stacks, make real API calls, and assert on real cloud state. The @aws-cdk/integ-tests-alpha library is
Testing
Ansible playbooks are often "tested" by running them against production and hoping.
Testing
Infrastructure-as-Code introduced a new class of bug: the infrastructure configuration error.
Testing
Policy-as-code turns compliance requirements into machine-checkable rules.
Testing
Pulumi brings real programming languages to infrastructure — TypeScript, Python, Go, C#.
Testing
GitOps treats infrastructure like application code: changes go through pull requests, get reviewed, pass CI, and deploy automatically.
Testing
AWS CDK (Cloud Development Kit) lets you define AWS infrastructure with TypeScript, Python, Java, or Go.