Software Testing Fundamentals: Methods and Metrics Review

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(More customer reviews)Traditional software testing focuses two key metrics - defect removal efficiency and, in mature environments, defect density. This book takes a different approach that, on first read, may seem like anarchy to experienced test professionals who work on internal projects. However, when you stop and consider the context in which Ms. Hutcheson is using, the methods and metrics she sets forth make perfect sense.
The context is delivery of commercial products or getting company-critical applications rolled out for purposes of competitive advantage. Within this context she defines the following goals: (1) first to market with the product, (2) optimum pricing model, (3) products with the right features, (4) keeping unacceptable bugs to an absolute minimum. For the last she has a corollary, "Make sure your bugs are less expensive and less irritating than your competitor's", which is not the 'party line' in testing, especially in organizations that strive for zero defects, but is realistic, and especially so when time-to-market is critical. In some ways this book reflects software testing in marketing-driven product development. This is further reinforced by the following definitions and objectives:
- definition of quality is customer satisfaction.
- system for achieving quality is constant refinement.
- measure of quality is the profit.
- target goal of the quality process is a hit every time.
Achieving the above within the software testing domain does require a departure from conventional thinking and methods, and how to go about achieving them is thoroughly covered in the body of the book. The key approach is to develop a test strategy that is based on 'Most Important Tests'. Supporting activities covered include building a test inventory, managing risk, and a feedback loop of data analysis.
In addition to being aligned to product line development, this book's approach can also be easily tailored to rapid, iterative development approaches such as agile methods. If you are working in an internal development environment that uses 'heavier' development lifecycles this book is not going to fit; however, if you work in a product-oriented environment this book will not only change your thinking, but will provide the basis for an integrated development-marketing approach that could make a real difference in competitive advantage.

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