What is the smoke testing and sanity testing..?what is the
difference?

Answer Posted / sofia

Smoke
Sanity


1
Smoke testing originated in the hardware testing practice
of turning on a new piece of hardware for the first time
and considering it a success if it does not catch fire and
smoke. In software industry, smoke testing is a shallow
and wide approach whereby all areas of the application
without getting into too deep, is tested.
A sanity test is a narrow regression test that focuses on
one or a few areas of functionality. Sanity testing is
usually narrow and deep.

2
A smoke test is scripted--either using a written set of
tests or an automated test
A sanity test is usually unscripted.

3
A Smoke test is designed to touch every part of the
application in a cursory way. It's is shallow and wide.
A Sanity test is used to determine a small section of the
application is still working after a minor change.

4
Smoke testing will be conducted to ensure whether the most
crucial functions of a program work, but not bothering with
finer details. (Such as build verification).
Sanity testing is a cursory testing; it is performed
whenever a cursory testing is sufficient to prove the
application is functioning according to specifications.
This level of testing is a subset of regression testing.

5
Smoke testing is normal health check up to a build of an
application before taking it to testing in depth.


sanity testing is to verify whether requirements are met
or not,

checking all features breadth-first.

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