Even a small tweak made in the software due to changes done by the tester can lead to crucial code related issues. For this specific purpose, regression testing is conducted to ensure that the existing functionalities are working just fine despite making changes to the software. Read more https://bit.ly/3z3NnLY

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What is smoke testing?
What is the difference between
Smoke Testing and Regression Testing?
It is a testing method that determines the stability of a deployed software build. It is also called “Surface
level testing” where the stability of the system is verified. The QA team gets the necessary confirmation
from the smoke testing process on whether to move further levels of testing or not. On each build, a minimal
set of tests are run in order to test the software functionalities. It is also known as “Build Verification
testing.”
What is regression testing?
It is a testing method that ensures that the updations or modifications that have been done to the code do
not modify the existing functionalities of the software application. Already executed test cases that are
partially or fully selected are re-executed in order to make sure that the existing functionalities are working
just fine.
Even a small tweak made in the software due to changes and updations done by the tester can lead to
crucial code related issues. For this specific purpose, regression testing is conducted to ensure that the
existing functionalities are working just fine despite making changes to the software.
Difference between smoke testing and
regression testing:
Smoke testing
- The stability of the system is verified
- After performing regression test, smoke
test is performed
- Smoke tests are conducted in order to
ascertain whether to accept or reject a
build
- This testing method is both scripted
and documented
- Time and manpower requirement is
less when compared to regression
testing
- It is surface level testing
- It is performed by developers
Regression testing
- The rationality of the system is verified
- Regression testing is conducted
throughout the software testing
process depending upon specific
conditions
- Regression tests are not performed to
accept or reject a build, instead they are
performed to ensure that code changes
do not affect the existing functionalities
- This testing method is neither
documented nor scripted
- Time and manpower requirement is
more than smoke testing
- It is deep level testing
- It is performed by testers