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One Test Per Requirement

Despite all of the dragons that Agile approaches have attacked successfully, a few still live. As crazy as it is, the idea of one test check per requirement has managed to survive in some quarters. Let’s put aside the fact that neither tests nor requirements are valid units of measurement, and focus on this: If you believe that there should be one test per requirement, then you have to assume … Read more

Acceptance Tests: Let’s Change the Title, Too

Gojko Adzic recently wrote a blog post called Let’s Change the Tune on some of our approaches in agile development. In changing the tune, some of the current words won’t fit so well, so he proposes (for example), “Specifying Collaboratively instead of test first or writing acceptance tests”. I have one more: I think we should change the label “acceptance tests”. Acceptance tests are given a central role in agile … Read more

Why We Do Scenario Testing

Last night I booked a hotel room using a Web-based discount travel service. The service’s particular shtick is that, in exchange for a heavy discount, you don’t get to know the name of the airline, hotel, or car company until you pay for the reservation. (Apparently the vendors are loath to admit that they’re offering these huge discounts—until they’ve received the cash; then they’re okay with the secret getting out.) … Read more

What Counts? Redux

In my December 2007 Test Connections column in Better Software, I discussed the problem of counting bugs, test cases, and other things that are mind-stuff, rather than physically constructed objects. I gave a number of examples, but I now have another compelling one. I got the same Christmas gift—Steven Pinker’s The Stuff of Thought—from both my mother and my brother-in-law. (I guess they have me figured out.) In Chapter One, … Read more

Heuristics of GUI Automation Tools

A correspondent on the Agile Testing mailing list asked recently Shall automated acceptance tests use the GUI the app provides? My reply sat in my drafts folder for a while, and I just found it. Too late for the conversation, really, so I’ll post it here. My thought, as usual, is that automated acceptance tests checks should or should not use the GUI depending on the questions you want to … Read more