具体描述
by Geoff O'Callaghan ISBN 9781846930232
Published: 2007
Pages: 174
Description
Junit
1972 - The Vietnam War is underway. A small group of boys is attached to the Defence Department as special agents. They are faster, smarter, and tougher than other boys, because they were prototypes in an Illegal experiment to create super-soldiers using hypnosis. The experiment goes sour when a Senator is assassinated, and one of the boys begins to recover his memories. Now regularized as an official unit, the army keeps the boys in case they are ever needed for special operations. When Darien, the son of a global Oil King is sent to a boarding school in the remoteness of Washington State, Peter and Travis, two members of JUNIT, are assigned as his bodyguards. It's a good thing they are on duty, because Darien is kidnapped by Spetznaz commandos.
About the Author
Geoff was born in Jersey, then under German occupation, during World War II. Soon after the war, his family moved to Brisbane, Australia. He was educated at All Souls' School, Charters Towers - a rather traditional boarding school after the English style. What knowledge one didn't learn through the ears was well and truly belted in through the rear end, complete with blood blisters. His first contact with the cane was for not running around a sports oval fast enough. He now prides himself on a complete disinterest on sports and knows nothing about cricket. This led to his creative and artistic sides developing. He had a way with words, and was a skilled debater.
After secondary school, he took to teaching, graduated, and then obtained a Post Graduate Diploma in Aboriginal Education. For the next thirty years, he lived with remote aborigines in the Great Western Desert, firstly as a primary school teacher, and later as a School Principal and Administrator. During this time, he took up writing, mostly short stories and film scripts. It was a good way to while away lonely hours in the desert evenings.
The development of miniature computers took his interest, and He wrote to the Department suggesting they take a serious look at the use of Computers in Education. Because of the proximity of a U.S. Sigint facility at Alice Springs, many of the students, especially the American kids, were interested in computing. At first they used Tandy Level Ones and Apples. While very primitive compared to today's machines, Many of the I.T. Community cut their teeth on computing under Geoff's tutelage. They even built a 'Dream 8080' and got it working.
Child welfare was another interest. Juveniles who committed offences were kept in adult prisons. Some of the kids were as young as nine years of age. Geoff fought hard to get decent juvenile facilities built for them, and also did lot of research into mental illnesses in Children. While taking a rest from the Desert, Geoff worked with the Education Department as a District Guidance Officer. He was responsible for getting educational services to handicapped children across the outback. While on Long Service leave in Cairns, his family home, he met up with his old geography teacher, Kevin Burry, who was bringing Trinity Anglican School to fruition. Kevin became ill with brain tumors, and the Bishop of North Queensland appointed Geoff as the voluntary acting principal to bring the school on line, so Geoff spent his vacation from teaching as principal of one of Queenslands largest schools.
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这本书的深度和广度都超乎了我的预期，它绝对不是那种只停留在基础概念的入门读物。对于我这种已经有一定工作经验，但测试覆盖率一直上不去的工程师来说，它提供了非常实用的高级策略。我特别欣赏作者在**测试的艺术与实践**这一章节中对“测试的粒度”的探讨。他没有简单地告诉你“写小函数”，而是深入分析了集成测试、单元测试和契约测试之间的界限和协作关系，并给出了在微服务架构下如何平衡测试速度与覆盖率的实战建议。其中关于**Mocking与Stubbing**的章节，简直是黄金屋。作者没有盲目推崇某一种Mocking框架，而是对比了不同框架（比如PowerMock和Mockito）的优缺点，特别是对Mockito的流畅API设计给予了高度评价，并且展示了如何优雅地处理带有副作用的依赖对象。最让我眼前一亮的，是它提到了“可测试性设计”（Design for Testability），强调了优秀的架构本身就是最好的测试工具。读完这部分，我不再是单纯地“写测试”了，而是开始思考“如何写出更容易测试的代码”，这是一种从根本上提升代码质量的思维转变。这本书的论述风格非常**理性且富有洞察力**，充满了经验者的智慧沉淀。
评分天呐，这本书简直是为我这种代码小白量身定做的！我之前对单元测试这块儿一直心里没底，总觉得那是高手才玩得转的东西，但《JUNIT》这本书完全打破了我的刻板印象。它不是那种晦涩难懂的官方文档堆砌，而是用非常生活化的语言，一步步把我这个编程新手领进了门。作者的讲解逻辑简直是教科书级别的流畅，从最基础的“为什么要做单元测试”讲起，到如何搭建环境，再到编写第一个“Hello World”级别的测试用例，每一步都细致入微，生怕你跟不上。我尤其喜欢它在讲解断言（Assertions）那一部分的处理方式，没有直接抛出API，而是通过几个小场景来展示不同断言的适用性，比如什么时候用`assertEquals`，什么时候该用更精确的`assertThrows`。书里大量的代码示例都是经过精心挑选的，短小精悍，看完就能立刻上手。读完这部分，我感觉自己不再是看着测试代码发懵的路人甲，而是能自信地在自己的项目中插入第一个有意义的测试了。这本书的引入部分做得太成功了，它没有直接进入技术细节的深渊，而是先给你一艘坚固的小船，让你在安全的水域里熟悉操作，然后才慢慢驶向更广阔的海洋。对于初学者来说，这本书的价值就在于它极强的**可操作性和心理建设作用**，让我从“不敢碰”变成了“我试试看”。
评分这本书的语言风格让我感到既**亲切又充满启发性**，它似乎不是在对技术人员布道，而是在与一位资深的同行进行深度交流。作者在叙述技术原理时，经常穿插一些**个人反思和对测试文化**的见解。比如，在讨论测试的有效性和维护成本时，作者坦诚地分享了自己团队早期因为过度测试或测试用例设计不当而导致的效率下降的经历，这种坦率让人非常信服。书中有一个章节专门讨论了“测试的心理陷阱”，例如过度关注代码覆盖率的数字而忽略了测试的质量，或者害怕修改测试因为害怕破坏现有逻辑。作者用非常犀利的笔触指出了这些误区，并提出了“用测试驱动重构”的积极心态。这种对**软技能和文化建设**的关注，是很多纯技术手册所缺乏的。它让我意识到，单元测试不仅是技术工具，更是一种团队协作和质量保障的文化载体。读这本书，我感受到的不仅仅是技术知识的输入，更是一种对高质量软件工程理念的熏陶，它让我对“编写可测试代码”这件事有了更深层次的尊重和敬畏。
评分说实话，刚拿到这本书时，我对它的期望值是中等的，毕竟市面上关于这个主题的书汗牛充栋。然而，这本书在**构建和维护测试套件**方面的实用性，彻底扭转了我的看法。很多书写了怎么写测试，但没人深入讲测试代码的“工程化”问题。这本书则花了很大篇幅讨论测试用例的命名规范、测试数据的隔离与重用，以及如何处理那些“顽固的”状态依赖问题。尤其是在处理遗留系统（Legacy Code）的测试接入时，作者提供的“黄金圈”策略和“三步走”重构法，简直是救命稻草。我之前在处理一个没有经过任何测试的旧模块时焦头烂额，尝试了各种方法都收效甚微，但书中的具体步骤和代码示例，让我有章可循。此外，它还涉及到了**持续集成（CI）环境中测试的配置与优化**，比如如何并行化测试以减少构建时间，以及如何利用测试报告生成有意义的度量指标。这本书的实用性在于，它预见到了你在实际项目中一定会遇到的那些“头疼”的问题，并提前为你准备好了解决方案，让你在面对实际困难时，可以快速定位到书中的对应章节，找到经过时间考验的最佳实践。它的结构设计非常贴合项目开发的生命周期。
评分从一个**性能调优者**的角度来看，这本书的侧重点非常精准和巧妙。它没有把单元测试视为一个独立的模块，而是将其视为整个软件性能优化链条中的关键一环。我特别关注了书中关于**测试隔离性对性能的影响**那一小节。作者清晰地论证了，不恰当的I/O操作或数据库交互被包含在单元测试中，是如何导致测试运行时间呈指数级增长，从而使得开发者产生抵触情绪，最终放弃运行测试的恶性循环。书中针对性地给出了如何使用内存数据库模拟和针对性地隔离外部服务的具体代码模式。更进一步，它还讨论了**测试套件的健康度指标**，强调了平均测试运行时间（Average Test Execution Time）的重要性，并提供了一些工具和技巧来持续监控这个指标。对于我们这些需要频繁进行版本迭代和性能基线对比的团队来说，这些信息至关重要。这本书的视角非常**立体化**，它不仅关注“是否通过”，更关注“如何高效地通过”，将测试实践与软件交付的整体效率紧密地结合起来，这一点做得非常到位，体现了作者深厚的工程实践背景。
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