... Composition Shell GameThe issue in this design episode is not the fundamental complexity of the feature, which is constant, but how we divide it up. The design we chose (attaching a dis-connection ... to an AuctionLogDriver class which uses theApache Commons IO library. It also cheats slightly by resetting the log manager(we’re not really supposed to be in the same address space), since ... class write andread from a real file. Instead, we decide that file access is sufficiently covered by the end-to-end test we’ve just set up, so we’ll run everything in memory toreduce the test’s...