❔Interview Questions

1. What is REST Assured and how is it used in API testing?

   • REST Assured is a Java-based library used for API testing that provides a DSL (Domain Specific Language) for writing API tests. It simplifies the process of sending HTTP requests and validating responses.

2. What are some benefits of using REST Assured for API testing?

   • Some benefits of using REST Assured for API testing include the ability to write tests in Java, easy integration with other Java-based tools, and support for various authentication types.

3. How do you create and execute API requests in REST Assured?

   • API requests can be created in REST Assured by specifying the request method, URL, headers, and body. Requests can be executed by sending the request and receiving the response.

4. How do you handle authentication in REST Assured?

   • Authentication can be handled in REST Assured by specifying the authentication type and providing the necessary credentials. REST Assured supports various authentication types such as Basic, Digest, OAuth, and more.

5. How do you test for API performance using REST Assured?

   • API performance can be tested using REST Assured by measuring the response time and throughput of API requests. REST Assured provides features such as timing and logging to test for API performance.

6. How do you handle API versioning in REST Assured?

   • API versioning can be handled in REST Assured by specifying the version number in the URL or headers. REST Assured also provides features such as environment variables and scripts to automate versioning.

7. How do you test for API security using REST Assured?

   • API security can be tested using REST Assured by sending requests with various security scenarios and verifying that the API responds appropriately. REST Assured provides features such as SSL certificate verification and OAuth 2.0 authentication to test for API security.

8. How do you handle API errors and exceptions in REST Assured?

   • API errors and exceptions can be handled in REST Assured by verifying the response status code and message. REST Assured provides features such as exception handling and error logging to automate error handling.

9. How do you use REST Assured to test for API endpoints?

   • API endpoints can be tested in REST Assured by specifying the endpoint URL and sending requests with various parameters and payloads. REST Assured provides features such as request specification and response specification to automate endpoint testing.

10. How do you use REST Assured to test for API response validation?

    • API response validation can be tested in REST Assured by verifying the response body, headers, and status code. REST Assured provides features such as JSON and XML parsing to automate response validation.

11. How do you use REST Assured to test for API load testing?

    • API load testing can be performed in REST Assured by sending multiple requests simultaneously and measuring the response time and throughput. REST Assured provides features such as load testing and performance monitoring to automate load testing.

12. How do you use REST Assured to test for API integration with third-party services?

    • API integration with third-party services can be tested in REST Assured by sending requests with various parameters and verifying that the API responds appropriately. REST Assured provides features such as request and response filters to automate integration testing.

13. How do you use REST Assured to test for API version compatibility?

    • API version compatibility can be tested in REST Assured by sending requests with different versions and verifying that the API responds appropriately. REST Assured provides features such as request and response specification to automate version compatibility testing.

14. How do you use REST Assured to test for API caching?

    • API caching can be tested in REST Assured by sending requests with different cache-control headers and verifying that the API responds appropriately. REST Assured provides features such as response caching and header validation to automate caching testing.

15. How do you use REST Assured to test for API pagination?

    • API pagination can be tested in REST Assured by sending requests with different page sizes and offsets and verifying that the API responds appropriately. REST Assured provides features such as JSON and XML parsing to automate pagination testing.

16. How do you use REST Assured to test for API rate limiting?

    • API rate limiting can be tested in REST Assured by sending requests with different rates and verifying that the API responds appropriately. REST Assured provides features such as request and response specification to automate rate limiting testing.

17. How do you use REST Assured to test for API error handling?

    • API error handling can be tested in REST Assured by sending requests with different error scenarios and verifying that the API responds appropriately. REST Assured provides features such as exception handling and error logging to automate error handling testing.

18. How do you use REST Assured to test for API security vulnerabilities?

    • API security vulnerabilities can be tested in REST Assured by sending requests with various security scenarios and verifying that the API responds appropriately. REST Assured provides features such as SSL certificate verification and OAuth 2.0 authentication to automate security testing.

19. How do you use REST Assured to test for API compliance with industry standards?

    • API compliance with industry standards can be tested in REST Assured by verifying that the API adheres to standards such as REST, SOAP, and GraphQL. REST Assured provides features such as schema validation and request specification to automate compliance testing.

20. How do you use REST Assured to collaborate with developers and testers on API testing?

    • Collaboration with developers and testers on API testing can be done in REST Assured by sharing code and test cases, providing feedback on requests and responses, and using features such as version control and collaboration tools.