Interview Questions and Answers

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Unit test: Testing a single function. Integration test: Testing the communication between two modules.

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Base (bottom): Unit tests, Middle: Integration tests, Top: UI tests

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Parameterizing a login test with different usernames and passwords.

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Creating a separate class for each web page containing methods to interact with elements on that page.

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Running Selenium tests in headless mode without launching a visible browser window.

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Setting up a retry mechanism for a test that occasionally fails due to timing issues.

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Writing feature files with Gherkin syntax to describe test scenarios in plain English.

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Verifying the response of a REST API endpoint using tools like Postman or RestAssured.

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Using TestNG or JUnit as a test framework for Java-based test automation projects.

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Including an authentication token in the header of an API request.

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Running a JMeter script to simulate 1000 concurrent users accessing a web application.

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Maintaining a separate set of test data files for positive and negative test scenarios.

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Using JaCoCo or Istanbul to analyze code coverage in a Java or JavaScript project.

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Testing a web application on Chrome, Firefox, Safari, and Internet Explorer.

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Injecting a WebDriver instance into a page object rather than creating it within the page object class.

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Storing URL, database connection strings, and other configurations in a properties file.

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Creating a test strategy document that outlines the approach for functional, performance, and security testing.

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Running automated tests on each code commit in a continuous integration pipeline.

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Using a test database with predefined data for executing automated tests.

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Identifying and refactoring duplicated code in a test automation project.

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Running tests in parallel on multiple test agents to reduce overall execution time.