Regression Testing Services
Regression Testing is a continuous testing practice that mandates re-running of functional & non-functional tests to ensure that the software continues to perform in the same manner as it did before making any changes. Qentelli's structured approach to Regression Testing ensures minimal disruption while keeping costs under control. Leverage on our regression testing services to keep your business-critical applications ready for frequent changes.
Regression Testing, a part of Functional Testing Services which ensures that the modifications like functional enhancements, bug fixes, patches, and releases did not introduce new errors into the existing codes or to check whether modifications successfully eliminated existing errors. Regression Testing services provided by Qentelli offers maximum test coverage with a minimum number of test cases, which leads to the minimal cost of appraisal and risk.
Types Of Regression Testing
INSIGHTS ON REGRESSION TESTING
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What is Regression Testing?
Regression Testing is a Software Testing type in which test cases are re-executed in order to check whether the previous functionality of the application is working fine and the new changes have not introduced any new bugs.
This test can be performed on a new build when there is a significant change in the original functionality that too even in a single bug fix.
When To Perform Regression Test?
Regression Testing is usually performed after verification of changes or new functionality. But this is not the case always. For the release that is taking months to complete, regression tests must be incorporated in the daily test cycle. For weekly releases, regression tests can be performed when the Functional Testing is over for the changes.
Regression checking is a variation of retest (which is simply to repeat a test). When Retesting, the reason can be anything. Say, you were testing a particular feature and it was the end of the day- you could not finish testing and had to stop the process without deciding if the test passed/failed.
The next day when you come back, you perform the test once more – that means you are repeating a test you performed before. The simple act of repeating a test is a Retest.
Regression test at its core is a retest of sorts. It is only for the special occasion that something in the application/code has changed. It might be code, design or anything at all that dictates the overall framework of the system.
A Retest that is conducted in this situation to make sure that the said change has not made an impact on anything that was already working before is called Regression Test. The most common reasons why this might be conducted are because new versions of the code have been created (increase in scope/requirement) or bugs have been fixed.
How to do Regression Testing?
In order to do Regression Testing process, we need to first debug the code to identify the bugs. Once the bugs are identified, required changes are made to fix it, then the regression testing is done by selecting relevant test cases from the test suite that covers both modified and affected parts of the code.
Software maintenance is an activity which includes enhancements, error corrections, optimization and deletion of existing features. These modifications may cause the system to work incorrectly. Therefore, Regression Testing becomes necessary. Regression Testing can be carried out using the following techniques:
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