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WithoutBook LIVE Mock Interviews SDET Related interview subjects: 13

Interview Questions and Answers

Know the top SDET interview questions and answers for freshers and experienced candidates to prepare for job interviews.

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The Best LIVE Mock Interview - You should go through before interview

Know the top SDET interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Interview Questions and Answers

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Freshers / Beginner level questions & answers

Ques 1

What is the importance of code reviews in test automation?

Code reviews help ensure code quality, maintainability, and adherence to coding standards, ultimately leading to more robust and reliable test automation scripts.

Example:

Regular peer reviews of test automation code before merging into the main repository.
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Ques 2

What are the benefits of using version control systems in test automation?

Version control systems (e.g., Git) enable tracking changes, collaboration, and maintaining a history of the test automation code, making it easier to manage and roll back changes.

Example:

Using Git to track changes in test scripts and collaborate with team members.
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Ques 3

What is Continuous Integration (CI) and how does it benefit test automation?

Continuous Integration is the practice of frequently integrating code changes into a shared repository, and it benefits test automation by ensuring that tests are run automatically whenever new code is committed, catching issues early in the development process.

Example:

Using Jenkins or Travis CI to trigger automated tests upon code commits.
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Ques 4

What are the advantages of using a headless browser in automated testing?

Headless browsers are faster, consume fewer resources, and are suitable for running tests in environments without a graphical user interface, making them ideal for continuous integration and server-based testing.

Example:

Running a Selenium test in headless mode using Chrome or Firefox.
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Ques 5

What is the purpose of using a versioning strategy for automated test scripts?

A versioning strategy helps manage changes to test scripts, making it easier to track modifications, roll back changes, and collaborate effectively in a team environment.

Example:

Using Git tags to mark specific versions of test scripts for release.
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Ques 6

How can you ensure the maintainability of automated test scripts?

Ensuring proper code organization, using meaningful variable and method names, and implementing coding standards contribute to the maintainability of automated test scripts.

Example:

Regularly refactoring test code to improve readability and maintainability.
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Ques 7

What is the purpose of a test harness in software testing?

A test harness is a set of tools, libraries, or software that facilitates the execution of tests. It provides an environment for running and analyzing tests, collecting results, and managing test configurations.

Example:

Using JUnit or TestNG as a test harness for Java-based test automation.
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Ques 8

What is the purpose of 'assertions' in automated testing, and how are they used?

Assertions are statements that verify expected outcomes in automated tests. They help validate whether the actual results match the expected results, identifying test failures.

Example:

Asserting that the calculated result in a test matches the expected value.
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