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Test-Driven Java Development - Second Edition by Viktor Farcic, Alex Garcia

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Applying the legacy code algorithm

In this case, the whole middle-end works as a standalone, using in-memory persistence. The same algorithm could be used if the persistence was saved into a database, but we would require some extra code to clean and populate the database between test runs.

We'll use DbUnit. More information can be found at http://dbunit.sourceforge.net/.

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