api-testing

# API Testing Skill ## Overview This skill provides expert-level capabilities for API testing, covering REST, GraphQL, authentication flows, schema validation, and contract testing integration. ## Capabilities ### REST API Testing - Execute API tests with Supertest/REST Assured - HTTP method testing (GET, POST, PUT, PATCH, DELETE) - Header and cookie manipulation - File upload/download testing ### GraphQL Testing - Query and mutation testing - Subscription testing - Schema introspection validation - Variable and fragment handling ### Schema Validation - Validate OpenAPI/Swagger schemas - Response schema validation with Ajv/Joi - Generate test cases from API specifications - Contract validation ### Authentication Testing - OAuth 2.0 flow testing - JWT token validation - API key authentication - Session-based authentication ### Performance Assertions - Response time validation - Throughput measurements - Rate limiting verification ### Contract Testing - Consumer contract generation - Provider verification - Pact integration ## Target Processes - `api-testing.js` - API test implementation - `contract-testing.js` - Contract testing workflows - `security-testing.js` - API security testing - `performance-testing.js` - API performance validation ## Dependencies - `supertest` - HTTP assertions (Node.js) - `axios` - HTTP client - `ajv` - JSON schema validation - `graphql-request` - GraphQL client ## Usage Example ```javascript { kind: 'skill', skill: { name: 'ap...