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By piccoloprincipe
via css.dzone.com
Published: Apr 11 2011 / 13:52

Sometimes the mechanics of different tests are really the same, and the only thing that changes between them are input and expected output data. As an example, consider testing mathematical calculations functions, or any kind of stateless method: you invoke it always in the same way, and then check the returned value. Another case is that of triangulation in Test-Driven Development. When an implementation is not obvious, triangulating it leads to the creation of multiple tests with different data, but usually the exact same procedure.
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