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Arjan Assink

Arjan Assink

Test automation Engineer at TechChamps

Talk (Advanced):

From Zero to Api Hero with Java and RestAssured

In this 90-minute tutorial, we will dive into the art of creating robust, readable, and maintainable automated tests for RESTful APIs using Java and RestAssured. The session will provide practical insights and real-world examples to demonstrate how to structure test code effectively and leverage powerful features of RestAssured.


Through the use of a custom-built REST API (Spring Boot, with OpenAPI documentation), you will learn how to improve your test automation practices by applying principles like DRY (Don't Repeat Yourself), KISS (Keep It Simple, Stupid), utilizing helper classes, and managing environment-specific configurations. Topics such as JWT authentication, request chaining, and generating DTOs for testing will also be covered.


Outline

  • What is RestAssured

  • Why use RestAssured

  • Some key features of RestAssured

  • Why Api Testing

  • Explanation of the API used for the tutorial

  • Showing how to improve a real basic test

  • Explanation of Authentication with JWT token

  • Showing how to implement Authentication in a real test

  • Explanation of Request chaining

  • Showing how to implement request chaining in a real test

  • Explanation of DTOs

  • Showing how to implement DTOs in a real test

  • Auto Generate DTOs based on our Api

  • Showing how to implement it in a real test

  • Managing environments with property file

  • Showing how to implement it in our testsuite

Key Takeaways

  • Learn key features of RestAssured, including response validation and request chaining.

  • Understand how to write clean, readable, and maintainable test code for APIs.

  • Understand and apply the DRY and KISS principle to simplify and enhance test automation practices.

  • Gain practical knowledge of managing authentication with JWT tokens.

  • Discover the advantages of using DTOs for request and response handling.

  • Learn how to effectively manage different environments using property files.

  • Walk away with actionable techniques and examples to enhance your test automation practices immediately.

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