Regression testing

What is Regression Testing? Regression Testing is defined as a type of software testing to confirm that a recent program or code change has not adversely affected existing features. Regression Testing is nothing but a full or partial selection of already executed test cases that are re-executed to ensure existing functionalities work fine. This testing is done to ensure that new code changes do not have side effects on the existing functionalities. It ensures that the old code still works once the latest code changes are done. There is a need for regression testing whenever the code is changed, and you need to determine whether the modified code will affect other parts of the software application. Moreover, regression testing is needed when a new feature is added to the software application. Regression tests may also be performed when a functional or performance defect/issue is fixed. When can we perform Regression Testing? Here are the scenarios when you can perform regression testing. New functionality is added to the application: This happens when new features or modules are created in an app or a website. The regression is performed to see if the feature is working properly. In case of change requirement: When any significant change occurs in the system, regression testing is used. This test is done to check if these shifts have affected other features. After a defect is fixed: The developers perform regression after fixing a bug issue in any functionality. This is don...

The goal of software testing is to find and fix bugs. However, after a bug gets fixed, other bugs often ensue. This is when Regression testing is executed after making changes to a software product and retests the product areas that may have been impacted by the fix. This can be automated or performed manually by executing a particular set of test cases (test scripts in case of Automation). No matter how the regression test is executed, this type of testing is critical for delivering a high-quality software product. In this article, we look at what is Regression testing, its importance and types, and how to perform it. TABLE OF CONTENTS • • • • • • • • • • • • • • What is Regression Testing used for? Before getting into the details of what it is, it’s important to understand why we need it. When software developers fix a bug, add new functionality, or modify an existing feature or functionality, they must change the program code. Even a slight change will likely result in a plethora of new bugs. In such a scenario, a Test Engineer can reveal and pinpoint undesirable side effects through Regression tests. A properly executed regression test suite is vital. It is imperative that after a bug fix, the original product does not stop working. Check out our The below graph depicts the importance of the Regression test: When to perform Regression Testing? When new features or enhancements are deployed to an existing codebase or application, Regression testing is required. It ensur...

• What is Regression Testing and Why is It Important? • Types of Regression Testing in Software Engineering • Top Regression Testing Tools • Regression Testing Techniques • Regression Testing in Software Testing Example • How to Create an Effective Regression Testing Suite? • How to Select a Regression Test Suite? • How to Perform Regression Testing? • Regression Testing Best Practices • Regression Test Plan Template • Advantages and Disadvantages of Regression Testing • Difference Between Regression and Re-testing • Conclusion • Frequently asked questions (FAQs) Regression Testing is software testing to ensure that a current program or code modification has not adversely impacted existing features. Regression Testing is a full or partial extract of already executed test cases re-executed to confirm that existing functionalities work fine. This testing ensures that new code changes do not affect the existing functionalities. It ensures that the old code works once the latest code modifications are done. Testers should be clear about “What is regression testing”? Regression testing is a software testing technique that guarantees that an application functions as expected. Regression testing is accountable for the existing features' overall solidity, stability, and functionality. In this article we will have a deep dive of what is Regression testing in software engineering, process, and types with examples. Regression testing requires a thorough understanding of the regressio...

While regression testing can be performed in a variety of ways, there are several essential steps that most testing protocols follow. • Identify changes in the source code. Whenever code is modified or optimized, developers or testers must identify the components and modules that were changed along with any known impact on existing functionality. • Prioritize changes and requirements. To make the testing process more efficient, developers should prioritize modifications and test cases based on product requirements, as well as on the modules and functionality that are most commonly affected by changes to the code. • Build a regression test suite. A regression suite is a collection of test scenarios that address the various functionalities that are important to the software. Regression suites are typically created from existing functional tests, • Select an approach to testing. While some testers use a manual approach, most development organizations will automate regression testing since regression tests must be repeated many times as software evolves. Automating the process accelerates testing and frees testers to conduct manual Regression testing should be performed at several points in the software delivery lifecycle. • When new functionality is added. Developers adding new code to a software product aren’t always fully concentrated on its compatibility with existing code. Regression testing can help identify any possible issues early in the development process. • When ch...

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