Tài liệu Growing Object-Oriented Software, Guided by Tests- P1 pptx
Tài liệu Growing Object-Oriented Software, Guided by Tests- P1 pptx
... development. Growing Object-Oriented Software, Guided by Tests, presents a coherent, consistent systemof development, where different techniques support each other.I invite you to read Growing Object-Oriented ... remove this watermark.ptgPraise for Growing Object-Oriented Software, Guided by Tests“The authors of this book have led a revolution in the craft of programming by controllingthe environment in ... Data:Freeman, Steve, 1958- Growing object-oriented software, guided by tests / Steve Freeman and Nat Pryce. p. cm. ISBN 978-0-321-50362-6 (pbk. : alk. paper) 1. Object-oriented programming...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P2 pdf
... Classes?One last point. Unusually for a book on object-oriented software, we haven’tsaid much about classes and inheritance. It should be obvious by now that we’vebeen pushing the application ... watermark.ptgMany object-oriented languages support encapsulation by providing control overthe visibility of an object’s features to other objects, but that’s not enough. Objectscan break encapsulation by ... is defined by the roles it plays.We view classes for objects as an “implementation detail”—a way of imple-menting types, not the types themselves. We discover object class hierarchies by factoring...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P3 pdf
... items:• Single item: join, bid, and lose. When a price comes in, send a bid raised by the minimum increment defined by the auction. This amount will beincluded in the price update information.• ... repeatedly. We can also help ourselves cope with totalsystem complexity by keeping the quality of its components high and by constantlypushing to simplify. If that sounds expensive, consider the ... CurrentPrice: 192; Increment: 7; Bidder: Someone else;SOLVersion: 1.1; Event: CLOSE;At first, being object-oriented enthusiasts, we try to model these messages astypes, but we’re not clear enough...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P4 pdf
... and text alignment, to tunethe user interface. We might do that by associating CellRenderers with eachColumn value, or perhaps by introducing a TableColumnModel. We’ll leave thoseas an exercise ... better job by extractingan inner class, AuctionEvent, to encapsulate the unpacking of the message con-tents. We have confidence that we can refactor the class safely because it’sprotected by its ... interesting is that we’re getting there incrementally, by looking for features in classes that either go together or don’t. Of course we’reinfluenced by our experience of working on similar codebases,...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P5 doc
... incrementally, by adding features and repeatedly following heuristics.Although we rely on our experience to guide our decisions, we reached thissolution almost automatically by just following ... runtime exception when it tries to parse themessage. The Smack library drops exceptions thrown by MessageHandlers,so we have to make sure that our handler catches everything. As we writea ... Sniper from receiving further eventsfrom the auction.Disconnecting the SniperWe turn off a Sniper by removing its AuctionMessageTranslator from its Chat’sset of MessageListeners. We can do...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P6 doc
... want to make sure thetests pull their weight by making them expressive, so that wecan tell what’s important when we read them and when theyfail, and by making sure they don’t become a maintenance ... in terms of the features that the targetobject provides. We use a TestDox convention (invented by Chris Stevenson)where each test name reads like a sentence, with the target class as the implicitsubject. ... to catch. We can add arbitrary exceptions to thetest method signature because it’s only called by reflection. This removes at leasthalf the lines of the test, and we can compact it further to...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P7 doc
... waiting on traceLock to wakeup because there’s been a change. This is called by the test infrastructurewhen triggered by an event in the system.3The containsNotification() method, called from ... with the system it is testing.There are two ways a test can observe the system: by sampling its observablestate or by listening for events that it sends out. Of these, sampling is often theonly ... can write morereliable tests by not confusing the different steps in the loop and only triggeringfurther changes once we’ve detected that the system is stable by observing achange in its sampled...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P8 doc
... Split-Merge on www.verypdf.com to remove this watermark.ptgYour purchase of Growing Object-Oriented Software, Guided by Tests includes access to a free online edition for 45 days through the ... Pryce took the ideas and implemented them inRuby. He exploited Ruby’s reflection to write expectations directly into the testas blocks. Influenced by his PhD work on protocols between components, ... watermark.ptgThe text generated by the describeTo() and describeMismatch() must followcertain grammatical conventions to fit into the error messages generated by JUnit and jMock. Although JUnit...
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Tài liệu Growing Object-Oriented Software, Guided by Tests- P9 ppt
... 117, 332Index354From the Library of Lee BogdanoffptgYour purchase of Growing Object-Oriented Software, Guided by Tests includes access to a free online edition for 45 days through the ... 278SniperStateDisplayer class, 133, 147, 155,167–168sniperWinning(), 143, 162–163sniperWinsAnAuctionByBiddingHigher(),139sniperWon(), 147, 164Spring, 294startBiddingFor(), 184startBiddingIn(), ... advice, and tips? InformIT has the solution.• Learn about new releases and special promotions by subscribing to a wide variety of newsletters. Visit informit.com/newsletters.• Access FREE...
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Growing Object-Oriented Software, Guided by Tests pot
... development. Growing Object-Oriented Software, Guided by Tests, presents a coherent, consistent systemof development, where different techniques support each other.I invite you to read Growing Object-Oriented ... necessary to resolve this dilemma. More than a shift intechniques is needed. Growing Object-Oriented Software, Guided by Tests presents such a new per-spective. What if software wasn’t “made,” ... where different techniques support each other.I invite you to read Growing Object-Oriented Software, Guided by Tests,to follow along with the examples, to learn how the authors think aboutprogramming...
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