backend-testing

Comprehensive backend testing for REST APIs, databases, authentication, and business logic across Jest, Pytest, and Mocha. Specific situations that should trigger this skill: Format and required/optional information to collect from the user: Step-by-step task order to follow precisely. Install and configure the test framework and tools. Tasks : Example (Node.js + Jest + Supertest): jest.config.js : setup.ts (global test configuration): Write unit tests for individual functions and classes. Tasks : Decision criteria : Example (password validation function): Write integration tests for API endpoints. Tasks : Checklist : Example (Express.js + Supertest): Test JWT tokens and role-based access control. Tasks : Example : Mock external dependencies to isolate tests. Tasks : Example (mocking an external API): Defines the exact format that outputs must follow.