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Regression Testing
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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. 

Commonly Used Regression Testing Approaches

Retest All: A retest all approach aims to re-test the entire software suite. Usually majority of testing is automated using a wide range of assorted tools and test-led development practices to. However, lack of human intervention could also be lead to increase in errors. So, it’s imperative to have an error monitoring tool. 

Regression Test Selection: This software regression testing technique is a way of selecting the most appropriate test case to ensure that it delivers the correct result. It thus enables a tester to select a valid set of test cases to make sure the unmodified part of the program is error free.

Test Case Prioritization: The goal in this Regression testing approach is to prioritize a limited set of test cases such that the more potentially impactful tests are executed ahead of all less critical tests. 

Hybrid Regression Testing: Hybrid regression testing combines test selection and test case prioritization techniques. Here, the selected test cases from a test suite are prioritized for re-execution.

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Types Of Regression Testing

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Corrective Testing

Corrective regression testing is performed by reusing the existing test cases when no changes are made in the product. Read More

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Selective Testing

When new code is added, then selective regression testing is performed by using a subset of existing test cases. It is a cost-effective regression testing approach that requires fewer efforts from QA experts. Read More

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Progressive Testing

Progressive regression testing is performed when software gets an update. It helps to ensure that existing features are not affected or compromised by the update. To achieve that, QA experts create new test case scenarios. Read More

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Unit Testing

Unit regression testing is used to test a specific code unit separately by blocking all interactions and dependencies prior to testing.  Read More

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Complete Testing

Complete regression testing approach involves comprehensive retesting to spot any bugs that can arise as a result. Complete regression testing also ensures root code is not affected.  Read More

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Optimize Your Regression Testing

Our proven industry-leading best practices optimize Automated Regression Testing processes, delivering proper test coverage for your application portfolio.