Design for Human Problem-Solving
So far, we have explored several common test code smells. Often, these smells seem obvious in retrospect. So, why not choose the right abstractions from the beginning? That would be great, wouldn’t it? Unfortunately, you’re not likely to get there. To a large degree, programming is problem-solving. As the following figure illustrates, human problem-solving requires a certain degree of experimentation.
The preceding figure presents a model from educational psychology. (See Understanding and solving word arithmetic problems [KG85].) We programmers face the same challenges as educators: we have to communicate knowledge ...
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