Top 250 Software Testing Interview Questions and Answers

To reduce execution time in Selenium, optimize test scripts, use efficient locators, and run tests in parallel.

• Optimize test scripts by removing unnecessary steps and reducing wait times

• Use efficient locators such as CSS selectors instead of XPath

• Run...read more

Test cases for a login page

• Verify login with valid credentials

• Verify login with invalid credentials

• Verify login with empty username and password fields

• Verify login with only username field filled

• Verify login with only password field filled

• Verify logi...read more

Automation testing is the use of tools and scripts to execute test cases, while manual testing is performed manually by human testers.

• Automation testing involves the use of automation tools and scripts to execute test cases.

• Manual testing is performe...read more

My final year project involved manual testing of a web application.

• I tested the functionality of the web application manually

• I created test cases and executed them manually

• I reported bugs and issues to the development team

• I learned the importance of ...read more

API testing is a type of software testing that involves testing APIs directly and their integration with other components.

• API testing involves testing the functionality, reliability, performance, and security of APIs.

• Types of API testing include unit...read more

Load Runner and JMeter are performance testing tools used to measure the performance of web applications.

• Load Runner is a licensed tool developed by Micro Focus that supports a wide range of protocols and technologies.

• JMeter is an open-source tool de...read more

Failed test cases can be rerun in TestNG using the 'rerun-failed.xml' file.

• Create a new XML file named 'rerun-failed.xml'

• Add the failed test cases to the XML file using the 'include' tag

• Run the 'rerun-failed.xml' file using TestNG

Performance testing is a type of testing that evaluates the speed, responsiveness, stability, and scalability of a software application.

• It involves simulating real-world scenarios to measure the performance of the application

• It helps identify bottlen...read more

There are various types of testing such as unit testing, integration testing, system testing, acceptance testing, and regression testing.

• Unit testing: Testing individual units or components of the software.

• Integration testing: Testing how different u...read more

System integration testing involves testing the entire system with all external interfaces, while integration testing focuses on testing the interaction between individual components.

• System integration testing tests the entire system with all externa...read more

Functional testing is a type of testing that verifies if the software meets the specified requirements.

• It focuses on the functionality of the software

• It is performed to ensure that the software meets the business requirements

• Types of functional testi...read more

Web and mobile application testing presents unique challenges like device fragmentation, performance issues, and varying user environments.

• Device Fragmentation: Testing across multiple devices and screen sizes can lead to inconsistent behavior. For e...read more

I have experience in various types of testing including functional, regression, performance, and security testing.

• Functional testing - testing the functionality of the software against the requirements

• Regression testing - testing the software after c...read more

QA focuses on preventing defects, while QC focuses on identifying and fixing defects.

• QA stands for Quality Assurance and is a proactive process that focuses on preventing defects by establishing processes and standards.

• QC stands for Quality Control a...read more

Selenium supports various locators such as ID, Name, Class Name, Tag Name, Link Text, Partial Link Text, CSS Selector and XPath.

• ID locator is the most efficient and reliable locator

• Name locator is used for locating elements by their name attribute

• Cla...read more

Smoke testing is a quick and shallow test to check if the basic functionalities of the software are working. Sanity testing is a subset of regression testing that checks if the bugs have been fixed and the new changes have not introduced new bugs.

• Smo...read more

Test cases will be executed in a dedicated testing environment.

• Test cases will be executed in a separate environment to avoid interference with the production environment.

• The testing environment will be set up to mimic the production environment as c...read more

System testing verifies the entire system as a whole, while integration testing verifies the interaction between different components.

• System testing checks the system's compliance with requirements and specifications

• Integration testing checks the int...read more

I have automated around 200 test cases in my previous job.

• Automated test cases for web applications using Selenium WebDriver

• Automated API test cases using RestAssured

• Automated mobile app test cases using Appium

• Used TestNG and JUnit frameworks for tes...read more

Game testing differs from software testing in terms of scope, complexity, and user experience.

• Game testing involves testing the functionality, performance, and usability of video games.

• Software testing focuses on testing the functionality and perform...read more

No, Cucumber is not a testing tool.

• Cucumber is a tool used for behavior-driven development (BDD) and not specifically for testing.

• It allows non-technical stakeholders to understand and collaborate on the development process.

• Cucumber uses a plain-text...read more

Test case for login button on a website

• Verify that clicking on the login button redirects to the login page

• Ensure that the login button is visible and clickable

• Test that the login button is disabled if no credentials are entered

• Check that the login b...read more

White box testing is a method of testing where the internal structure and implementation details of the software are known and tested. Black box testing is a method of testing where the internal structure and implementation details of the software ar...read more

Alerts in Cypress can be handled using cy.on() method and event listeners.

• Use cy.on() method to listen to the 'window:alert' event

• Pass a callback function to handle the alert message

• Use cy.stub() method to stub the window.alert() method

• Check if the a...read more

Smoke testing is a quick check to verify if the build is stable enough for further testing, while regression testing is a comprehensive testing to ensure that changes made to the software did not affect the existing functionality.

• Smoke testing is don...read more

Testing challenges include lack of resources, time constraints, and communication issues. Overcoming them requires proper planning and collaboration.

• Lack of resources, such as hardware or software, can hinder testing efforts

• Time constraints may lead ...read more

STLC stands for Software Testing Life Cycle. It is a process followed to ensure quality in software development.

• STLC involves planning, designing, executing, and reporting of tests.

• It includes various stages like requirement analysis, test planning, ...read more