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Tester’s Mindset

Context-Free Questions for Testing

In Jerry Weinberg and Don Gause’s Exploring Requirements, there’s a set of context-free questions to ask about a product or service. The authors call them context-free questions, but to me, many of them are more like context-revealing questions. In the Rapid Software Testing class, the participants and the instructors make discoveries courtesy of our exercises and conversations. Here’s a list of questions that come up fairly consistently, or that we … Read more

Gaming the Tests

Let’s imagine, for a second, that you had a political problem at work. Your CEO has promised his wife that their feckless son Ambrose, having flunked his university entrance exams, will be given a job at your firm this fall. Company policy is strict: in order to prevent charges of nepotism, anyone holding a job must be qualified for it. You know, from having met him at last year’s Christmas … Read more

Encouraging Programmers to be Testers

A colleague wrote to me recently and asked about a problem that he’s had in hiring. He says… The kind of test engineers we’re looking for are ones that can think their way around a system and look for all the ways that things can go wrong (pretty standard, so far), and then code up a tool or system that can automatically verify that those things haven’t gone wrong (a … Read more

Hire Ben Simo!

I have four or five blog posts in the hopper, each almost ready to go. I’m working on a whole book and a chapter of another one, and I’m on a deadline that I’m about to blow. The kids are still out of school, and I really should be cooking dinner right now. And yet… As I write, one of the best testers that I know is looking for work. … Read more

Statistician or Journalist?

Eric Jacobson has a problem, which he thoughtfully relates on his thoughtful blog in a post called “How Can I Tell Users What Testers Did?”. In this post, I’ll try to answer his question, so you might want to read his original post for context. I see something interesting here: Eric tells a clear story to relate to his readers some problem that he’s having with explaining his work to … Read more

Heuristics and Leadership

In a recent blog post, James Bach discusses the essence of heuristics. A heuristic is a fallible method for solving a problem or making a decision. When used as an adjective, “heuristic” means fallible and conducive to learning. James ends the post by introducing a number of questions in order to test whether someone is teaching you a heuristic effectively. Meeta Prakash, in the comments, remarks “Your questions sound so … Read more

Transpection Transpected

Part of the joy of producing this blog is in seeing what happens when other people pick up the ideas and run with them.  That happened when I posted a scenario on management mistakes a few weeks ago, and Markus Gärtner responded with far more energy and thought than I would have expected. Thanks, Markus. Last week I posted a transcript of a transpection session between me and James Bach.  … Read more

Questions from Listeners (1): Handling Inexperienced Testers

On April 19, 2010, I was interviewed by Gil Broza.  In preparation for that interview, we solicited questions from the listeners, and I promised to answer them either in the interview or in my blog.  Here’s the first one. How to deal with un-experienced testers? is there a test approach that suits better for them? Here’s what I’d do: I’d train them. I’d pair them up with more experienced testers … Read more

Testers: Get Out of the Quality Assurance Business

The other day on Twitter, Cory Foy tweeted a challenge: “Having a QA department is a sign of incompetency in your Development department. Discuss.” Here’s what I think: I’m a tester, and it’s time for our craft to grow up. Whatever the organizational structure of our development shops, it’s time for us testers to get out of the Quality Assurance business. In the fall of 2008, I was at the … Read more

Looping and Branching in Exploratory Testing

In the interview with the Coding QA guys that was the subject of my last post, James Bach refers exploratory testing as parallel learning test design, test execution and learning, and said that exploratory approaches are epitomized by loops. Where do loops happen in exploratory testing? In fact, exploratory testing includes both looping and branching. When we’re testing in an exploratory way, we may branch away from the current path … Read more