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Test-Driven iOS Development
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A common goal of many software projects is to make some profit for someone.The usual way in which this goal is realized is directly, by selling the software via the app store or licensing its use in some other way. Software destined for in-house use by the developer’s business often makes its money indirectly by improving the efficiency of some business process, reducing the amount of time paid staff must spend attending to the process. If the savings in terms of process efficiency is greater than the cost of devel- oping the software, the project is profitable. Developers of open source projects often sell support packages or use the software themselves: In these cases the preceding argument still applies. So, economics 101: If the goal of a software project is to make profit—whether the end product is to be sold to a customer or used internally—it must provide some value to the user greater than the cost of the software in order to meet that goal and be suc- cessful. I realize that this is not a groundbreaking statement, but it has important ramifi- cations for software testing. If testing (also known as Quality Assurance, or QA) is something we do to support our software projects, it must support the goal of making a profit.That’s important because it automatically sets some constraints on how a software product must be tested: If the test- ing will cost so much that you lose money, it isn’t appropriate to do. But testing software can show that the product works; that is, that the product contains the valuable features expected by your customers. If you can’t demonstrate that value, the customers may not buy the product.
Graham Lee - Personal Name
978-0-32-177418-7
NONE
Information Technology
English
2012
1-244
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