Abstract

Scenario Based Testing (SBT) is a paradigm shift in the system test arena. It broadens the purpose of system level acceptance testing. Requirements Based Testing (RBT), as an exclusive acceptance vehicle, is flawed because it verifies only the static features of a system. In contrast, SBT focuses on verifying the system dynamics. SBT, however, does not obviate requirements or the need to verify them. System characterizations need to be expressed in requirements, because we need to build the constituent components. But, requirements cannot express system behaviors very well. Even allowing for perfect requirements, leaving out verification of the system behavior results in an incomplete test program, at best. The combination of RBT and SBT thus provides a more robust acceptance vehicle assuring the customer that the system will satisfy his needs.

-- Jason Kealey - 12 Oct 2005

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