Top 15 Interview Questions for Selenium Tester

Selenium is a suite of tools that automates web browsers. It can be used to test the functionality of a website or web application. . It can also be used to determine the kind of JavaScript.The most common use is to test whether a web application works as expected. A Selenium script can be written and executed by a, web browser. With Selenium, you can automate these processes and help ensure that your website or web app continues to function smoothly in production.

The following are some of the most common interview questions asked by companies that use Selenium:

Q1.What is Selenium?

Selenium is an open-source tool that automates web browsers. It provides a single interface that lets you write test scripts in programming languages like Ruby, Java, NodeJS, PHP, Perl, Python, and C#, among others.
Q2.What do you mean by automation testing?
Automated testing is a process that validates if software is functioning appropriately and meeting requirements before it is released into production. This software testing method uses scripted sequences that are executed by testing tools.
Q3.How will you find an element using Selenium?

  1. ID.
  2. Name.
  3. ClassName.
  4. TagName.
  5. Link Text/Partial Link Text.
  6. CSS Selector.
  7. XPATH Selector.
Q4.What are the benefits of Automation Testing?
  • ost-Saving. Contrary to the popular myth, automated testing is more cost-effective than manual. …
  • Fast Development and Delivery. …
  • Increased Productivity. …
  • More Accurate Tests. …
  • High App Quality and Performance. …
  • Immediate Feedback. …
  • CI/CD and DevOps Implementation.

Q5.What is Automation Testing?

Automated testing is a process that validates if software is functioning appropriately and meeting requirements before it is released into production. This software testing method uses scripted sequences that are executed by testing tools.
Q6.What are the various test types Selenium supports?
Types of Testing
  • Acceptance testing. This type of testing is done to determine if a feature or system meets the customer expectations and requirements. …
  • Functional testing. …
  • Performance testing. …
  • Regression testing. …
  • Test driven development (TDD) …
  • Behavior-driven development (BDD)

Q7.What are the different Selenium suite Components?

Selenium has four major components – Selenium IDE, Selenium RC, Selenium Web driver, Selenium GRID.

Q8.Explain what is assertion in Selenium and what are the types of assertion?

Assertions verify that the state of the application is same to what we are expecting. Selenium Assertions can be of three types: “assert”, “verify”, and ” waitFor”. When an “assert” fails, the test is aborted. When a “verify” fails, the test will continue execution, logging the failure.
Q9.What is the role of assertion and what are the various types?
There are five types of assertion: basic, emphatic, escalating, I-language, and positive. A basic assertion is a straightforward statement that expresses a belief, feeling, opinion, or preference
Q10.What is meant by an exception test in Selenium?
Advertisements. TestNG provides an option of tracing the exception handling of code. You can test whether a code throws a desired exception or not. Here the expectedExceptions parameter is used along with the @Test annotation.
Q11.Why should I use Selenium?
Selenium is the most popularly used freeware and open source automation tool. The benefits of Selenium for Test Automation are immense. Importantly, it enables record and playback for testing web applications and can run multiple scripts across various browsers.
Q12.Mention what is the use of X-path?
XPath is used to find the location of any element on a webpage using HTML DOM structure. In Selenium automation, if the elements are not found by the general locators like ID, class, name, etc., then XPath is used to find an element on the web page.
Q13. Why should Selenium be selected as a test tool?
1. Selenium is a pure and open-source, freeware and portable tool.
2. It supports a variety of languages that include Java, Perl, Python, C#, Ruby, Groovy, JavaScript, and VB Script.
Q14.What type of tests have you automated?
  • Unit Testing. Unit testing is testing small, individual components of the software. …
  • Smoke Tests. A smoke test is a functional test that determines whether or not a build is stable. …
  • Integration Tests. …
  • Regression Tests. …
  • API Testing. …
  • Security Tests. …
  • Performance Tests. …
  • Acceptance Tests.

Q15.What is a Framework?

For example, a framework may include predefined classes and functions that can be used to process input, manage hardware devices, and interact with system software. This streamlines the development process since programmers don’t need to reinvent the wheel each time they develop a new application.

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