API Automation Framework From Scratch With REST Assured

Overview

Each chapter adds one capability and explains the design reason behind it, so you can both implement the framework and explain it confidently in an interview. CURRENT TECHNICAL BASELINE This guide uses REST Assured 6.0.1 and Java 17+ as the baseline. REST Assured 6.x raised the Java baseline to 17 and includes modern Jackson 3 support.

Table of contents

1. How to Use This Guide
2. What you will build
3. 01 Define the architecture and framework goals
4. 02 Install Java, Maven and REST Assured
5. 03 Create a professional project structure
6. 04 Configure Maven and TestNG
7. 05 Environment configuration and secrets
8. 06 Centralize REST Assured configuration
9. 07 Build reusable request specifications
10. 08 Build reusable response specifications
11. 09 Create a base API client
12. 10 Organize endpoint/service classes
13. 11 POJOs, serialization and deserialization
14. 12 Request builders and test data
15. 13 Authentication strategies
16. 14 Assertions and reusable validators
17. 15 JSON schema validation
18. 16 Response extraction with JsonPath
19. 17 Negative tests and error contracts
20. 18 TestNG suite design and lifecycle

Who this resource is for

• Automation Tester
• SDET
• API Tester
• QA Engineer