Types of Testing / Testing Techniques

The different "Types of Testing" are listed below.

The list should provide a fair indication of the breadth of activities that a Testing Professional may engage in .. did someone ever say that Testing was not challenging or there was very little to do in Testing ? I can hardly think of any other domain that offers so much leverage and affords such wide opportunites to specialize in & work on !

The list above, hopefully covers most of the "Types of Tests" that are generally performed. There may be a few that i might have missed ... let me know if that is the case and I'll be more than glad to add / edit them.

If you are new to Testing, my suggestion is to make it a point to look up each type of Testing (over the course of time at your convenience) listed above and get some information on each of these types.

Few testers end up actually working on all of the above "test types" during their Testing careers, but as a Quality & Testing professional, it helps to know your domain.

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any examples or links?

Posted by feynman on September 06, 2007 at 08:02 AM IST #

Thanks for your comment, "feynman".

The original idea was to put all these various "types of testing" which a Tester could encounter, on one page and provide a starting point for further in-depth exploration by folks interested. Of course, in subsequent posts, i do intend to expand on some of these "types" as well as other areas around testing.

Despite this, i realize that it would help to have "at least" a short description of each "Test type". I'll add a new post, with a brief high-level description of each type, shortly. Let me know if this would not be enough to enable folks to proceed with exploring those specific types that someone would be interested in.

Posted by John Morrison on September 06, 2007 at 08:44 AM IST #

Probably worth adding fault-injection testing and fuzz testing.

Posted by Tim Foster on September 06, 2007 at 12:21 PM IST #

Thanks, Tim. Addition done !

Posted by John Morrison on September 06, 2007 at 02:05 PM IST #

Am adding links to each of the "types". Hopefully will get it done over the next couple days !

Posted by John Morrison on September 06, 2007 at 02:35 PM IST #

I tried adding links to each of the test types and even started a post with descriptive definitions of each post ... finally with all the other tasks on my plate, i realized that its gonna be an uphill task requiring way more time than i had previously planned for this activity.

So, with sincere apologies i'll leave the work unfinished here and instead turn the tables and let folks who are keen to explore any test type/ technique do some homework and learn on your own ! "Googling" for each type does spew some interesting results ... try it out and i also recommend folks interested, should explore getting some book(s) on the subject too.

Meanwhile, going forward will try and pen some thoughts around these various areas / types ... but knowing my time availability it could take a "bit longer" than most folks might want to wait !

Hope this list serves as a starting point on your quest for greater knowledge on the subject.

Posted by John Morrison on September 18, 2007 at 02:08 PM IST #

comparison testing?

Posted by Rohan on December 12, 2007 at 04:22 AM IST #

Could you post sample case studies for those techniques? I really need it.

Posted by James Reyes on February 12, 2008 at 01:57 AM IST #

Hi James,

Sure, will start doing it and post incremental updates on each of these techniques. Given the available time, may not be able to complete soon but will work at it.


- John

Posted by John Morrison on February 12, 2008 at 02:02 AM IST #

Hi Rohan,

Thanks for the feedback. There's so many types and some of them seem very similar to others ... hence have'nt included them all in. Will look at comparison and see how different it is from the types already listed.

- John

Posted by John Morrison on February 12, 2008 at 02:06 AM IST #

Any updates on the Case studies?

Thank you.

Posted by James Reyes on February 15, 2008 at 07:15 AM IST #

Will work on that over the weekend. At least will try to get some of them in and more in the days ahead. Its a lot of work ! but will try to have atleast a summary of the types.


Posted by John Morrison on February 15, 2008 at 08:20 AM IST #

explain why various levels of testing required?

Posted by c.kumar on September 02, 2008 at 07:28 AM IST #


Posted by guest on April 21, 2009 at 09:58 AM IST #

Can you please let us know at which stage we ned different type of testing?

Posted by Namrita on May 20, 2009 at 05:01 AM IST #

this is a quite nice and informative post, i can say you have notified all types here,thank you.

Posted by andrew on August 19, 2009 at 05:50 AM IST #

Thanks for the feedback, Andrew.

Posted by John Morrison on August 19, 2009 at 05:52 AM IST #

yeah thnx John, the information was quite useful :) i appreciate.

Posted by mary on September 17, 2009 at 05:06 AM IST #

Its such a informative and Useful post to the experienced Testers as well as to the beginners like me......... Thank you Mr.John.....

Posted by Mohamed Yusuf Jamal on October 25, 2010 at 03:39 AM IST #

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John Morrison


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