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  • Writer's pictureSunil Kumar

Regression Testing: Everything One Must Know About


The dynamic world of software creation keeps on changing every day and requires proper attention to the products and services. The products must be stable and of good quality. To achieve this industrial objective regressing testing helps in a significant way. In recent times, it has become crucial for every business in this field to have this tool to ensure the best quality and stability of the products.

In this article, you will get a better idea about the regression testing tool, which will take your business to another level. This article will not only talk about the importance of regression but will also help you know the right way to do it.

This complete guide will make you perfect in regression testing by letting you know about all the pros and cons of the tool. The majority of software creators use this tool because, if used effectively, regression testing can make the programs strong and dependable.


The field of software development requires frequent changes and new ideas for smooth working, which makes it necessary for all software programs to work smoothly without any problems. Regression testing comes as a blessing that solves this problem effortlessly.

Unfortunately, many software developers do not focus on this tool, while others do not understand the right way to use this tool. Here comes the importance of this guide.  This guide will not only tell you about the different methods of regression testing but will also tell you about the most effective one, which will help in making your business more effective.

What is Regression Testing?

Regression testing is a tool or method of testing different software to ensure that the software is working perfectly fine with new updates and changes. This helps the software development companies to keep their products more stable and trustworthy.

Unlike other testing methods, regression testing not only inspects certain parts or features. Instead, it checks every aspect of the software in detail and compares both results with and without modifications.

First, this tool checks the performance by running a test on an existing computer application. Later, it again runs the test after making modifications. Doing this helps to ensure that the modifications in the software are not affecting the functioning of the software in a negative manner.

Why should one use regression testing?

As discussed earlier, due to the dynamic nature of the software development field, it is necessary for companies to keep the software stable and updated. Regression testing not only finds the errors after the update but also repairs them immediately. Multiple other factors make regression testing a must-have tool for all software development companies.

·        Quality assurance

·        Bug detection

·        Stability assurance

·        Customer satisfaction

What makes regression testing most demanding?

In today’s world, due to the fast evolution of the software development industry, tools like regression testing have become crucial. Every software development company must have such tools to ensure the proper functioning of their products. In this industry, software needs to be updated very frequently.

Unfortunately, with every update, there are high chances for the development of a new problem. Regression testing protects the software by constantly watching the possible bugs that can appear due to updates or changes in code. Regression testing is often called a protective net for software developers because it identifies and repairs bugs at a very early stage and reduces the chances of causing a serious problem. 

Different methods of Regression testing

Although there are multiple methods of regression testing, each one is not suitable for everyone. Each method has its pros and cons and is made for different users. Therefore, before selecting the methods, make sure to know your uses and priorities, and later decide the method accordingly.

  •   Retest all

This is the most effective and widely used method of regression testing. In this, the tool checks all the cases again to ensure everything is working smoothly. Although this method is highly accurate, consumes many resources and lots of time, making it ineffective for many software development companies.

  •    Selective regression

As the name suggests, selective regression methods mean selecting the most crucial case that is responsible for all the major changes. Majorly, it only focuses on the parts or codes that are changed during the update, making it a better option in both time and money.

  •     Prioritised regression

In this, tests are performed on a priority basis. For example, all the major tests with high importance are performed in the beginning, while the least important are performed at last. This helps to use the testing resources effectively.

  •    Automation regression

In today's world, everything is going online, and regression tools are no exception. Automated regression tools run the regression tests using an automated technique which makes the process highly accurate and fast. These are especially useful for big and complicated software programs that are challenging to test with other methods of regression.

  • How to conduct an effective regression test?

Are you willing to make a good strategy for regression tests? If yes, then there are multiple aspects that you need to work on. For example, well-planned allocation of resources, future planning, and use of automated software. Following are some ways that one can use to make their regression testing even more effective.

  •   Use selective method

Do you have a small and simple software program? If yes, then you must go with the selective regression testing method. Using this method will not only save you lots of money but will also help you to test the program in no time. This method particularly focuses on testing the major aspects of the software, which ultimately covers more tests with fewer resources.

  •  Regression test suite optimization

This is another best way to make regression testing effective. Optimise the test by accessing and improving the test regularly. Doing this will help you to remove the outdated and repeated tests that will make sure the attesting is both detailed and efficient.

  •   Automated Regression Testing

This strategy of regression testing uses automated software, which will make the testing process very fast and effortless. This is a very useful strategy, especially in the case of heavy software programs. In this strategy, automated software makes repetitive regression cases automatically which makes the process undependable.  

  •  Continuous integration and development

Integrate continuous integration and development with regression tests to detect regression errors at an early stage. Doing this will also make the process very easy, ultimately making the regression effective.

  • Best ways to do regression testing

Maintain version control

·        Get achievable goals for regression testing

·        Analyse and monitor the test results

·        Regular test environment refresh

·        Approach for testing together

What is the future of regression testing?

With time regression tests are getting significantly advanced and improved. In recent times, these tests have become way better than before. In the beginning, they were very time-consuming and less accurate. But, now tests like automated regression tests are highly accurate and fast. The best part about this industry is that the developers of such testing software are not seeing stoppable, therefore we can expect many more advancements in the coming future.

  • AI and machine learning: In the coming future we can expect the adoption of AI and machine learning programs that will make everything automated, reducing the time and increasing the overall accuracy.

  • Continuous testing: Continuous testing is expected to become a common practice in the future with the integration of regression tests and continuous development and integration pipelines.  

  • Shift left testing: In the future, software development companies will start using regression tests in the early stages of development for earlier detection.  

  • Clout-based testing: Cloud-based testing is very cost-effective and is capable of covering large scales in very little time. This is why it is expected to gain popularity in the coming years.

 What are the challenges with regression testing?

  • Resource Constraints

Do you have a very tight budget? Are you limited with time and skilled workers? If you are facing all these problems, then it will become very hard for you to conduct the regression test effectively. Either it will take more time or may show unrealistic results. To overcome this problem we recommend you prioritise the important tests which are necessary to know about the function of the software.

  • Test data management

To conduct a regression test a company requires a huge amount of organised data. Unfortunately, it is very complicated to manage different and huge amounts of data because it needs lots of resources, time, and money. Therefore, first, you need to find an effective way to create, set up, and manage data.

  • Test environment complexity

Regressing testing is not as simple as it looks. Unfortunately, the testing process is very complicated. The test environment includes many different settings systems and connections which makes it complex. Such components of the testing environment make it harder to get dependable and consistent results on repeated tests. 

  • Maintenance of test cases

Maintenance of the regression test is equally essential as updating software. The regression testing tools must be upgraded with the new technology so that they can detect new problems that were not available before.

Final words

Regression testing plays a key role in making the software programs stable and dependable. It helps the software companies to maintain high-quality products which not only will make the software trustworthy but will also add value to the company’s name. A company can get significant benefits from regression testing if it uses the right method integrated with the right strategy.

These tools ensure that the software developed by the company is strong and stable. Which makes the clients happier. This will benefit the business significantly in the long run. If customer satisfaction is your main aim, then you must use regression testing methods to ensure the proper functioning of the product.

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