Regression Testing is a method of testing to ensure that any code changes in software do not affect the functionality of the product. This is done to make sure that the product functions well with any new functionality, bug fixes, or changes to existing features. To verify the effect of the change, previously executed test cases will be re-examined.
Regression Testing Overview
A regression testing is a verification method. Automating test cases is common because test cases must be run again and again. It can also make it tedious and time-consuming to run the same test cases manually.
As an example, Let’s say you have a product X. One of its functions is to send confirmation and acceptance emails after the Confirm, Accept, and Dispatch buttons have been clicked.
There are some issues in the confirmation email. To fix them, code changes can be made. To ensure that the changes in code have not adversely affected the Confirmation and Acceptance emails, it is important to test these emails.
Regression Testing does not require any programming language such as Java, C++ or C#. This testing method is used to verify that the product is ready for any modifications or updates. This test verifies that any modifications to a product do not affect existing modules.
Verify that the bug has been fixed and that the new features have not caused any problems in the prior version of the software.
Functional Testing is performed by testers when a new build can be verified. This test is used to verify both the new functionality and any changes that have been made to the functionality.
After the test is completed, the tester should confirm that the functionality as it was before the change has been made is still working.
Regression testing should be part of the Release Cycle. It must also be included in the test estimation.
When should you perform this test?
Regression testing is typically done after the validation of new functionality or changes. This is often not the case. Regression tests are necessary for releases that take months to complete. Regression tests can be used for weekly releases after Functional Testing has concluded.
Regression checking can be described as a variation on the retest, which is to repeat a test. The reason for Retesting can be any. Let’s say you were testing a feature and you couldn’t finish the testing. You had to stop the testing process and decide if it passed or failed.
When you return the next day, you will take the test again. This means that you are repeating an earlier test. A Retest is simply the act of repeating a test.
The core of a regression test is a retest. This is done only when something has changed in the application/code. It could be code, design, or any other factor that determines the overall structure of the system.
The Regression Test is a retest of the situation in which the change was made to ensure that it has not had an effect on any existing work.
This is most often due to new versions of code being created (increased scope/requirement), or because bugs have been corrected.
Test execution consists of simply using your Test cases, performing the steps on the AUT, and providing the test data. Then, compare the results with what you have expected in your test cases.
Based on the results of the comparison, we determine the status of the test case pass or fail. The test execution is straightforward and requires no special tools.