I. M. Testy

Article
10/12/2021

Treatises on the practice of software testing is now located at http://testingmentor.com/imtesty

What is an expert tester?

When some people talk about “expert testers” they often refer to the personal traits such as...

Author: I.M.Testy Date: 02/06/2007

The Science of Software Testing

I was going through some old files today and came across a paper I had written February 7, 2002...

Author: I.M.Testy Date: 01/15/2007

Regression Testing Strategies

There is a lot written about regression testing, and yet there seems to be a lot of confusion about...

Author: I.M.Testy Date: 01/10/2007

Professionalism and the professional tester

I am quite surprised by some rather passionate objections by some individuals over my use of the...

Author: I.M.Testy Date: 12/26/2006

More on generating strings with random Unicode characters

Well, for those of you living outside the Pacific Northwest you are probably unaware of the recent...

Author: I.M.Testy Date: 12/24/2006

The future of testing

I spent the last week in beautiful Denmark teaching at our offices in Vedbeak. I really like...

Author: I.M.Testy Date: 12/02/2006

Are software metrics and measurements really important?

On a recent flight back from Boston to Seattle I decided to read Measuring the Software Process: A...

Author: I.M.Testy Date: 11/20/2006

Software testing certifications

I am often asked by new testers if certifications in software testing are something they should...

Author: I.M.Testy Date: 11/17/2006

More on globalization testing and random Unicode string generation

After a week in Boston presenting at the 3rd Software Testing and Performance Conference I am...

Author: I.M.Testy Date: 11/12/2006

StarWest 2006 presentation - Testing for Global Customers

I recently presented a talk on a globalization testing; a topic I think is really interesting, yet I...

Author: I.M.Testy Date: 11/03/2006

Allpairs, pairwise, combinatorial analysis

Last week I went to StarWest as a presenter and as a track chair to introduce speakers. Being a...

Author: I.M.Testy Date: 10/24/2006

Peopleware: A must read for everyone (especially managers)

I recently went to Portland, and when I am there I make it a point to always stop by Powells Book...

Author: I.M.Testy Date: 10/24/2006

End the segregation of the four schools of testing

Pushed by a response to an earlier post, I decided to stop procrastinating and get out my thoughts...

Author: I.M.Testy Date: 10/20/2006

Test effectiveness

Boris Biezer stated black box testing was approximately 35 to 65% effective. I had also read that...

Author: I.M.Testy Date: 10/13/2006

The purpose of a good test case

Many experts have written articles and devoted chapters of books on the attributes of what...

Author: I.M.Testy Date: 09/15/2006

The passion of the testers

Over the past few days I have been mentally jousting with Michael Bolton via the blogosphere. I hope...

Author: I.M.Testy Date: 09/08/2006

Exploratory Testing Examined

Exploratory testing is a topic often embroiled in unreasonable controversy. I didn’t always...

Author: I.M.Testy Date: 09/03/2006

Programming basics for (non-coding) testers

I suspect one reason why many testers do not learn to read or write code is because they find the...

Author: I.M.Testy Date: 08/27/2006

Test Automation with Ruby: Don't drink the kool-aid

I was stuck at home this weekend with house painters pondering how best to spend the day sitting at...

Author: I.M.Testy Date: 08/25/2006

Testing Techniques – Are they gimmicks or useful tools?

Last year an ‘expert’ tester and consultant claimed test techniques were gimmicks. I don't claim to...

Author: I.M.Testy Date: 08/11/2006

For those of you dreaming the 100% automation dream...please wake up!

My respected colleague Keith Stobie recently posted to his blog my response an internal query...

Author: I.M.Testy Date: 08/01/2006

The purpose of software testing

For the past few years I have been teaching new testers at Microsoft. Before beginning the Microsoft...

Author: I.M.Testy Date: 07/13/2006

Build Verification Testing (BVT)

Have you ever received a build into testing which was missing files, had the wrong file, or a file...

Author: I.M.Testy Date: 07/07/2006

Software Metrics: Guidelines for establishing effective measurement programs

One of the most important artifacts we produce as testers are measures of the software product or...

Author: I.M.Testy Date: 06/30/2006

Defective Bug Reports

The ‘quality’ of defect reports is something testers and managers talk about quite frequently. But...

Author: I.M.Testy Date: 06/28/2006

Bug counts as key performance indicators (KPI) for testers

Every once in awhile I meet testers who say their manager rates individual performance based on bug...

Author: I.M.Testy Date: 06/26/2006

Disadvantages of Ruby for Test Automation

In the past few years there has been a push to use Ruby as a programming language for test...

Author: I.M.Testy Date: 06/07/2006

Exploratory testing and philosophical psycho-babble

Last year James Bach wrote that he “…"invented" testing…mainly by discovering that the problems of...

Author: I.M.Testy Date: 05/31/2006

Customer focused test automation

We often limit our test automation projects to internal use only. This restricted use of test...

Author: I.M.Testy Date: 05/19/2006

The STE vs. SDET Debate

What is the difference between a software test engineer (STE) and a software design engineers in...