Testing Backend Services with Postman and Jest
Build Robust and Reliable APIs through Manual and Automated Testing
Master backend API testing with Postman and Jest. Learn manual and automated testing strategies to build reliable, robust APIs through practical examples and real-world scenarios.
About This Book
Quick Overview
Master backend API testing with Postman and Jest. Learn manual and automated testing strategies to build reliable, robust APIs through practical examples and real-world scenarios.
Key Topics Covered
- Postman manual testing techniques
- Jest automated testing framework
- Unit testing backend logic
- Integration testing REST APIs
- Authentication and middleware testing
- Database testing strategies
- Environment-specific testing
- Continuous integration workflows
- CRUD operations testing
- Performance and load testing
- Error handling validation
- Security testing patterns
Who Should Read This Book
Backend developers seeking to improve testing skills, QA engineers transitioning to API testing, Full-stack developers responsible for backend services, Team leads establishing testing standards, DevOps engineers implementing testing in CI/CD pipelines, Software engineers working with microservices architectures
Prerequisites
Basic JavaScript knowledge, Understanding of REST API concepts, Familiarity with Node.js and Express.js, Basic command line usage, Understanding of HTTP methods and status codes
Table of Contents
About This Publication
This comprehensive guide takes you on a complete journey through backend API testing, combining theoretical understanding with practical application. You'll start with fundamental testing concepts and progress through increasingly sophisticated scenarios that mirror real-world development challenges. **What You'll Learn and Achieve:** Master manual testing techniques using Postman's intuitive interface for rapid API validation and exploratory testing. Develop expertise in automated testing with Jest to create comprehensive test suites that prevent regressions and ensure consistent API behavior. Learn to implement robust testing strategies covering unit testing of business logic, integration testing with databases and external services, authentication and security validation, and performance testing under realistic load conditions. Gain practical experience with database testing patterns, environment-specific testing configurations, and continuous integration workflows that make testing an automated part of your deployment pipeline. By completion, you'll possess the skills to design and implement testing strategies that catch edge cases, validate security requirements, and give you confidence to deploy backend services that perform reliably in production environments.
Book Details
- Format
- File Size
- 2.8 MB
- Chapters
- 16
- Code Examples
- 99
- Exercises
- 99
- Difficulty Level
- beginner
- Reading Time
- 24-30
Special Features
• Hands-on examples using real-world API scenarios and production-ready code • Step-by-step tutorials for both Postman manual testing and Jest automated testing • Complete sample Express.js project with full test coverage included • Ready-to-use Postman collection templates and environment configurations • Comprehensive Jest testing patterns and reusable code snippets • Detailed error response testing strategies and validation techniques • Database testing approaches for multiple database systems and ORMs • CI/CD integration examples for automated testing pipelines • Performance testing bonus chapter with load testing strategies • Extensive appendices with checklists, templates, and reference materials
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