Top 5 Reasons to Automate Regression Testing

Top 5 Reasons to Automate Regression Testing

From Zulfqar Chachar

Regression testing is the practice of rerunning test cases that have already been run on a software application after changes or updates have been made to it

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Regression testing is the practice of rerunning test cases that have already been run on a software application after changes or updates have been made to it. Regression testing's objective is to make sure that the changes or upgrades have no negative effects on the software's current functionality. The execution of test cases and the analysis of test results are both automated during regression testing utilizing software tools. 

How Automated Regression Testing Can Reduce Your Testing Costs

Regression testing is an essential process in software development that ensures that changes or updates made to software components do not negatively affect the existing functionality. However, manual regression testing is a time-consuming and tedious task that can lead to errors and inconsistencies. That's where automation comes in, significantly reducing the time, effort, and resources required for regression testing. The top 5 benefits of automated regression testing are listed below.

1. Saves time and boosts productivity

Regression tests are a labor-intensive procedure that needs a lot of time, effort, and resources. Regression testing may be made more efficient and time-effective by automating the process. Automation tools may perform tests overnight or outside of business hours, freeing up resources during the day. They can also execute test cases far more quickly than manual testing. As a result, the software product is delivered more quickly and the time to market is shortened.

2. Expands the test coverage

To make sure that all the software's features and functioning have been evaluated in detail, regression testing calls for the execution of a huge number of test cases. By automating the regression testing procedure, more test cases may be run, increasing the test coverage as a whole. Tests like load testing and performance testing, which are difficult or impossible to do manually, maybe run using automation technologies.

3. Ensures Accuracy and Consistency

The same set of test cases must be run again as part of the repetitious job known as regression testing. When done manually, this may result in mistakes and inconsistencies. By eliminating the human element from the testing process, automating the regression testing process improves consistency and accuracy in test findings. In order to ensure that each test is carried out consistently and precisely, automation tools run test cases exactly as they are written.

4. Lowers costs

Although it's a crucial part of software development, manual regression testing may be expensive. Significant time, labor, and material resources are needed for manual testing. Regression testing automation lowers expenses by lowering the number of resources needed to run the tests. A higher number of tests may be run with fewer resources when using automation technologies, which lowers total expenses.

5. Raising Test Quality

Regression testing automation guarantees that all test cases are carried out consistently and accurately, improving test quality. An increased degree of defect detection is achieved by using automation techniques, which may also find flaws and faults that human testing may have overlooked. Moreover, automated testing offers more transparency into the testing procedure, facilitating better analysis of test findings and problem-solving.


In conclusion, the automation of regression testing is an important aspect of software development that provides significant benefits, including saving time, increasing test coverage, ensuring consistency and accuracy, reducing costs, and improving test quality. By automating regression testing, software development teams can deliver high-quality software products more quickly and efficiently, while minimizing costs and maximizing resources. 

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