SummaryMock Objects is an approach to Test-Driven Development that changes theway programmers think about code. It encourages them to think about howobjects interact with each other, rather than just how they work in isolation - asthe founders of Object Oriented programming intended. Objects should bedefined in terms of what they do, not what they are. Using Mock Objects withTest-Driven Development guides developers towards code with clearly focusedobjects and an emphasis on behavior over dat...