SDET Interview Questions and Answers
Ques 11. Explain the concept of BDD (Behavior-Driven Development) and its role in test automation.
BDD is a development approach that encourages collaboration among developers, QA, and non-technical stakeholders. BDD tools, like Cucumber, use natural language specifications to define and automate test scenarios.
Example:
Writing feature files with Gherkin syntax to describe test scenarios in plain English.
Ques 12. What is API testing, and why is it important in the context of test automation?
API testing involves testing the application programming interfaces to ensure they meet functional and performance requirements. It is crucial for validating communication between different software components.
Example:
Verifying the response of a REST API endpoint using tools like Postman or RestAssured.
Ques 13. Explain the concept of a test framework. Why is it essential in test automation?
A test framework is a set of guidelines or rules used to structure and organize the test automation code. It provides a systematic approach to building and maintaining automated tests, enhancing code readability and maintainability.
Example:
Using TestNG or JUnit as a test framework for Java-based test automation projects.
Ques 14. How do you handle authentication in API testing?
Authentication in API testing can be handled using techniques such as including authentication tokens in requests, using API keys, or utilizing OAuth tokens.
Example:
Including an authentication token in the header of an API request.
Ques 15. What is the purpose of a load testing tool, and name a few commonly used load testing tools.
Load testing tools simulate multiple users accessing a system concurrently to assess its performance under load. Examples of load testing tools include JMeter, LoadRunner, and Gatling.
Example:
Running a JMeter script to simulate 1000 concurrent users accessing a web application.
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