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The following is an excerpt from my recently-published book, Advanced Software Testing: Volume 1. This is a book for test analysts and test engineers. It is especially useful for ISTQB Advanced Test Analyst certificate candidates, but contains detailed discussions of test design techniques that any tester can—and should—use. In this third article in a series of excerpts, I discuss the application of use cases to testing workflows.
At the start of this series, I said we would cover three techniques that would prove useful for testing business logic, often more useful than equivalence partitioning and boundary value analysis. First, we covered decision tables, which are best in transactional testing situations. Next, we looked at state-based testing, which is ideal when we have sequences of events that occur and conditions that apply to those events, and the proper handling of a particular event/condition situation depends on the events and conditions that have occurred in the past. In this article, we’ll cover use cases, where preconditions and postconditions help to insulate one workflow from the previous workflow and the next workflow. With these three techniques in hand, you have a set of powerful techniques for testing the business logic of a system.
This article was originally published in Testing Experience Magazine.
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Category: Test Design