Difference between Smoke Testing and Regression Testing?
What is Smoke testing?
The testing method determines the stability of a deployed software build. It provides a sort of confirmation to the QA team to carry on with different levels of testing. A minimal set of tests are run on each build to test software functionalities. This testing method ensures that there are no show-stoppers in the build during the testing process. It is also known as “Build verification testing.”
What is Regression testing?
It is a testing method that ensures the new changes introduced in the code do not alter or modify the existing functionalities of a software application. Already executed test cases are partially or fully selected and then re-executed to ensure that the existing functionalities are working as expected. The objective is to ensure that the existing functionalities are working fine despite making changes or adding new features to the code.
Following
are the differences between smoke testing and regression testing:
Smoke testing |
Regression
testing |
Sin simple terms, smoke testing meaning it verifies
the crucial features and build the stability |
Regression testing ensures that the change hasn’t
affected any existing functionality |
Regression testing includes the test cases of a smoke
test and covers only the core functionalities |
The test cases are obtained from Software Requirement
Specification (SRS) or functional specification |
Developers and testers are responsible for performing
smoke tests |
Testers are responsible for performing regression
tests |
The cost involved in conducting the testing is
relatively low |
The cost involved in conducting the testing is quite
high |
The testing process is conducted quickly to confirm
whether to reject or accept a build |
Regression tests are not accountable for rejecting or
accepting a build |
It is a surface-level testing where the system’s
stability is verified |
It is a deep-level testing where the system’s
rationality is verified |
This testing method is always followed by a regression
test |
This testing method is performed throughout the
testing phase |
This testing method is scripted or documented |
This testing method is neither scripted nor documented |
There is not much effort, resources, and time required
to conduct the testing |
There is a lot of effort, time, and resources required
to conduct the testing.
|
It is an acceptance type of testing where the build is
validated so that further testing is prevented If it doesn’t pass |
It is not an acceptance type of testing, and the
functionalities are tested. |
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