Monday, June 2, 2008

Smoke testing and sanity testing - Quick and simple differences

Difference between the smoke test and sanity testing.
I got this from web and i am posting this for useful one. For more please check below.
Smoke testing and sanity testing - Quick and simple differences

Despite of hundreds of web articles on Smoke and sanity testing, many people still have confusion between these terms and keep on asking to me. Here is a simple and understandable difference that can clear your confusion between smoke testing and sanity testing.
Here are the differences you can see:

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.

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.
Hope these points will help you to clearly understand the Smoke and sanity tests and will help to remove any confusion.

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