Regression testing involves a process of testing software after making changes or upgrading to software. It re-tests any areas of the software that were affected by the change. You can either run a set of test cases manually.
Regression testing is used to verify a product’s functionality after modifications are made to existing features or bug fixes.
Regression is the act of re-testing unaltered parts of a product. Software testers determine whether new modifications have caused potential bugs or other defects.
In this blog, you will learn about some of the best regression testing tools that prove to be best for your team.
All You Should Know About Regression Testing & Why To Perform Regression Testing In 2023
Developers must modify the program code in order to fix a bug or add functionality. Even minor changes can lead to multiple bugs. Regression tests are used in such situations to identify and point out undesirable side effects. To ensure the product’s functionality, the regression tests are used to re-examine the test cases that were successful in previous versions of the product.
To validate a new build, the functional test is performed by the testers to verify any modifications to the existing or newly added functionality. The testers then move on to regression testing. They determine if the changes have created any functional defects in the work that was satisfactory prior to the latest modifications.
Regression tests are initiated whenever you add code that allows new functionality or corrects a bug. Regression tests must be initiated because there may be many dependencies between the new and existing functionality. This quality control must be done as the new code must conform to the existing code. It is important to ensure that the unchanged code does not suffer any impact. It is possible that you will be asked to verify system modifications made at the last moment.
If there is a continuous enhancement to the product or an alteration, it could cause problems with the code that has already been tested and found okay. Bugs could be created by code modifications. You might encounter serious issues in the real world if such code isn’t tested. Your customer could get into serious trouble if this happens.
Let’s take an example of an online site. Report an issue with the price of a product being displayed incorrectly. This means that a lower price is replacing the real cost of the product. This issue should be resolved as soon as possible.
This issue has been fixed by a developer. It is possible that the price of the reported page was changed. However, the summary page still shows the incorrect cost. The email to the client also contains the incorrect cost. After the bug fix has been completed, it is necessary to check the pages that had a lower price and all related pages. Thus, regression tests are crucial.
5 Best Regression Testing Tools That Suit Best For Your Testing Team In 2023
Software teams can have confidence in their application’s functionality after a code update by performing regression testing. Regression testing can be tedious, expensive, and time-consuming.
Many teams find themselves having to invest more in regression testing as their applications become more complex. This means that they have to hire more QA specialists and wait longer to finish testing each cycle.
Regression test automation allows you to scale up your testing without increasing headcount. You can run multiple tests at once and complete them in less time.
It can be difficult to choose the right regression testing tool. Regression testing is used by software teams to ensure that any code changes (e.g. a new feature, design change) don’t negatively affect other functionalities within the application.
Regression testing can be done manually by you or a group of testers. They simply need to open the application using a browser and take a series of steps to ensure that everything is working properly. Each test follows a standard script that tests a particular feature or user path.
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1) Selenium
Selenium, a framework for test automation, encapsulates a variety of libraries and tools that allow web browser automation. Selenium allows you to interact with HTML elements and manipulate them, making it easy to customize and modify your tests in the way that you wish. Selenium makes infrastructure management easy by providing a test environment for your team.
Selenium can interact with your apps via desktop or mobile browsers. It allows you to execute Javascript code. This makes it easier to test dynamic components of your DOM. Selenium supports Javascript as well as multiple programming languages, such as C#, Python, and Ruby. The tool is easy to use by developers who are proficient in any programming language. Selenium can be used in any way you like.
2) Katalon Studio
Katalon Studio, an all-in-one regression testing platform, is a great alternative to traditional frameworks using open-source libraries. Katalon Studio includes built-in features like Object Spy and Debugging UI. Test Artifact Sharing, Test Artifact sharing, Retry Failed tests, Smart Wait, Self Healing, and analytics for test reports. This allows you to have complete coverage of your test coverage within the toolkit.
Katalon Studio gives you all the necessary capabilities and stability to perform functional and end–to–end automated testing. This provides your team with a solid testing grid for your entire application lifecycle. You can cycle through each step in weeks, instead of months, by using low-code methods to test creation, execution, and maintenance. Katalon integrates with CI/CD tools like BitBucket and Jenkins.
Katalon Studio costs $69 per month per user. You can also get a 30-day free trial of all premium features and a fully functional version.
3) IBM Rational Functional Tester (RFT)
IBM Rational Functional Tester, a web automation tool written in Java, offers a variety of features. This tool is useful for teams that use.Net and Java in their development lives.
IBM Rational Functional Tester allows users to prepare and create test data for manual testers, as well as write and execute test cases for automated testing. This tool makes it easy to visualize and edit test data using rendered screenshots. IBM Rational Functional Tester provides intelligent script maintenance capabilities that allow you to automate functional and regression testing.
IBM Rational Functional Tester can integrate with platforms like Jenkins, Apache Maven, and QuickTest.IBM Rational Functional Tester can be customized upon request.
4) Watir
Watir, an open-source automated testing library, is built on Ruby and supports Ruby scripting. This makes it simple to use and easy to teach within your organization. It interacts with web browsers such as Chrome, Safari, Edge, and Firefox by running tests on your DOM. This includes filling out forms, clicking links, and validating text. Watir supports multiple domains. It also has a test recorder that allows you to keep track of the manual steps.
Watir can automate any user interface, regardless of technology. This tool implements OLE protocol over COM architecture. It allows you to make communication between your browsers, and Ruby and eliminates the need for external servers. Watir allows you to create and manipulate dynamic objects.Watir is completely open-source and free to use.
5) Rainforest QA
RainforestQA is a non-code regression testing tool that allows you to create processes and tests. This tool lets you set up a repeatable test environment so that you and your team can streamline your testing process. RainforestQA allows you to switch between sequential and parallel testing, which makes it possible to keep up with the development environment and decrease the time between sprints.
Rainforest QA’s user interface is simple and intuitive. It allows you and your team tag cases to organize them. You can also assign and track test cases from one dashboard. You can use the tool to perform cross-browser testing (Internet Explorer Chrome, Edge, and Edge) as well as access different systems (such Windows or Linux), giving you extensive coverage for your application. Rainforest QA has the results as suite tests are still being run.
Conclusion
Regression testing allows for the delivery of high-quality products and an excellent user experience. Regression testing has the primary advantage that code changes do not affect existing functionality.
Automating regression test cases can be achieved by choosing an automation tool that is compatible with your project and has the ability to regularly update the test suite. Once you have chosen the right tool, you can use it to identify all bugs and eliminate them as soon as possible.
Regression testing can be combined with Agile methodologies to provide many benefits for both business and technical. Regression testing is more cost-effective and more manageable than other methods.
Continuous quality cloud testing platforms such as LambdaTest offer a cloud-scalable infrastructure with 3000+ real browsers and devices. This is ideal for automating regression testing.
LambdaTest allows you to leverage the capabilities offered by the online Selenium Grid and run thousands of parallel tests at once, which can reduce execution time and provide faster feedback regarding code commits.
