INTERMEDIATE

🧪

API Testing Mastery

Test REST and GraphQL APIs with Supertest, Postman, and Hurl. Schema validation and contract testing.

12 Lessons

6 hours

Project-based learning

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Course Curriculum

Complete all 12 lessons to master API Testing Mastery

REST API Testing Fundamentals with Supertest

Master REST API testing using Supertest and Jest — testing HTTP methods, status codes, response schemas, and error handling in NestJS applications.

Postman and Newman for API Testing

Design Postman collections with environment variables, write test scripts, chain requests to test workflows, and run collections in CI with Newman.

Testing API Authentication and Authorization Headers

Advanced API testing patterns and techniques for production-grade test suites.

Advanced Supertest: Interceptors, Guards, and Middleware Testing

Advanced API testing patterns and techniques for production-grade test suites.

API Mocking and Stubbing with MSW and NestJS TestModule

Advanced API testing patterns and techniques for production-grade test suites.

API Contract Testing with OpenAPI Spec Validation

Advanced API testing patterns and techniques for production-grade test suites.

GraphQL API Testing: Queries, Mutations, and Subscriptions

Advanced API testing patterns and techniques for production-grade test suites.

API Performance Testing with k6 and Load Scenarios

Advanced API testing patterns and techniques for production-grade test suites.

gRPC API Testing with k6 and grpcurl

Advanced API testing patterns and techniques for production-grade test suites.

WebSocket API Testing with Socket.io and Playwright

Advanced API testing patterns and techniques for production-grade test suites.

API Testing Patterns: Pagination, Filtering, and Sorting

Advanced API testing patterns and techniques for production-grade test suites.

Building a Comprehensive API Test Suite for Production

Advanced API testing patterns and techniques for production-grade test suites.