Regression Testing v/s Re-Testing – User friendly Tech help

ByMatteo

Problem:– Understanding the difference between Regression and RE-Testing
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nExample:-
nSuppose you were testing some software application and you found defects in some 
ncomponent.
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n 1. You log a defect in bug tracking tool. 
n2. Developer will fix that defect and provide you with the new build with bug fix.
n3. You need to re-run the failed test cases to make sure that the previous logged issue is 
nnot replicating 
n4.You are also testing some of the passed test-cases,so that bug fix in the new build is not affecting the neighboring components.
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nIn the above example, STEP-3 refers to Re-Testing and STEP-4 Refers to Regression 
nTesting
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nFollowing are the key  differences between Regression testing and Re-testing:-
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Regression Testing

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Re-Testing

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nIs carried to check that bug fix hasn’t 
nimpacted other functionality of 
napplication
n		 Is carried to verify Bug fixes
nExecution of Passed test cases
n		 Execution of failed test cases
nHas lower priority than re-testing
n		  Higher priority 

n

Sanity v/s Smoke Testing 

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