BasisPathTesting基本路径测试.ppt

翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok * * 翻譯ok 翻譯ok 翻譯ok 翻譯ok 翻譯ok * 翻譯ok 翻譯ok 翻譯ok 翻譯ok * A stub or “dummy subprogram” uses the subordinate modules interface, may do minimal data manipulation, prints verification of entry, and returns control to the module undergoing testing. 翻譯ok 翻譯ok * Logistical problems can raise: Cannot do the significant low-level processing in the hierarchy to adequately test upper level at the beginning of top-down testing. 翻譯ok 翻譯ok 翻譯ok 翻譯ok * 翻譯ok Sandwich Integration Testing The advantages of one integration strategy tend to result in disadvantages for the other strategy.整合測試的優點就是其它測試的缺點 In practice, most integration involves a combination of both the top-down and bottom-up integration strategies, i.e., sandwich integration and testing實際上，許多整合測試包由上而下或由上而下的整合策略 The sandwich integration and testing The decision modules (logic modules) are integrated and tested top-down so that major design faults can be revealed early決策模組結合了由上而下，所以主要的設計錯誤都可以找出 The worker modules (operational modules) are integrated and tested bottom-up so that the potentially reusable modules are adequately tested while reducing the constructions of test stubs操作模組整合了由下而上，所可能重新適當的使用模組 The sandwich integration and testing has the strengths of both top-down and bottom-up integration strategies while avoiding their weaknesses三明治測試有由上而下的強度及避免由下而上的缺點 Regression Testing迴歸測試 Each time a new module is added as part of integration testing, or a bug is fixed (as the results of uncovering errors through testing) in the software, the software changes. 每當軟體有新模組加入去做整合測試，或除錯的時候(測試過程發現錯誤)， 軟體就會改變。 These changes may cause problems with functions that previously worked. 這些改變可能讓之前正確的功能出現問題。 Regression testing is the re-execution of some subset of tests that have already been conducted to ensure that changes have not generated unintended side effects. 迴歸測試是重新執行某些已經執行過的測試，以確保軟體的改變不會產生副作用。 Regression Testing (cont’d) Regression testing may be conducted 迴