what is the difference between smoke, sanity and dry run
testing?

Answer Posted / saravanaragupathy

SMOKE TESTING:

* 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 smoke test is scripted, either using a written set of
tests or an automated test

* A Smoke test is designed to touch every part of the
application in a cursory way. It’s shallow and wide.

* Smoke testing is conducted to ensure whether the most
crucial functions of a program are working, but not
bothering with finer details. (Such as build verification).

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

SANITY TESTING:

* 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.

* A sanity test is usually unscripted.

* A Sanity test is used to determine a small section of the
application is still working after a minor change.

* 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.

* Sanity testing is to verify whether requirements are met
or not, checking all features breadth-first.

Sources :
http://www.softwaretestinghelp.com/smoke-testing-and-sanity-testing-difference/

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