Automated testing is a cornerstone of agile development. An effective testing strategy will deliver new functionality more aggressively, accelerate user feedback, and improve quality. However, for many developers, creating effective automated tests is a unique and unfamiliar challenge.xUnit Test Patterns is the definitive guide to writing automated tests using xUnit, the most popular unit testing framework in use today. Agile coach and test automation expert Gerard Meszaros describes 68 proven patterns for making tests easier to write, understand, and maintain. Then He shows you how to make them more robust and repeatable--and far more cost-effective.Loaded with information, this book feels like three books in one. The first part is a detailed tutorial on test automation that covers everything from test strategy to in-depth test coding. The second part, a catalog of 18 frequently encountered "test smells," provides trouble-shooting guidelines to help you determine the root cause of problems and the most applicable patterns. The third part contains detailed description of each pattern, including refactoring instructions illustrated by extensive code samples in multiple programming languages.Topics covered includeWriting better tests--and writing them fasterThe four phases of automated tests: fixture setup, exercising the system under test, result verification, and fixture teardownImproving test coverage by isolating software from its environment using Test Stubs and Mock ObjectsDesigning software for greater testabilityUsing test "smells" (including code smells, behavior smells, and project smells) to spot problems and know when and how to eliminate themRefactoring tests for greater simplicity, robustness, and execution speedThis book will benefit developers, managers, and testers working with any agile or conventional development process, whether doing test-driven development or writing the tests last. While the patterns and smells are especially applicable to all members of the xUnit family, they also apply to next-generation behavior-driven development frameworks such as RSpec and JBehave and to other kinds of test automation tools, including recorded test tools and data-driven test tools such as Fit and FitNesse.Visual Summary of the Pattern LanguageForewordPrefaceAcknowledgmentsintroductionrefactoring a TestPART I: The NarrativesChapter 1 A Brief TourChapter 2 Test SmellsChapter 3 Goals of Test AutomationChapter 4 Philosophy of Test AutomationChapter 5 Principles of Test AutomationChapter 6 Test Automation StrategyChapter 7 xUnit BasicsChapter 8 Transient Fixture ManagementChapter 9 Persistent Fixture ManagementChapter 10 Result VerificationChapter 11 Using Test DoublesChapter 12 Organizing Our TestsChapter 13 Testing with DatabasesChapter 14 A Roadmap to Effective Test AutomationPART II: The Test SmellsChapter 15 Code SmellsChapter 16 Behavior SmellsChapter 17 Project SmellsPART III: The PatternsChapter 18 Test Strategy PatternsChapter 19 xUnit Basics PatternsChapter 20 Fixture Setup PatternsChapter 21 Result Verification PatternsChapter 22 Fixture Teardown PatternsChapter 23 Test Double PatternsChapter 24 Test Organization PatternsChapter 25 Database PatternsChapter 26 Design-for-Testability PatternsChapter 27 Value PatternsPART IV: AppendixesAppendix A Test RefactoringsAppendix B xUnit TerminologyAppendix C xUnit Family MembersAppendix D ToolsAppendix E Goals and PrinciplesAppendix F Smells, Aliases, and CausesAppendix G Patterns, Aliases, and VariationsGlossaryReferencesIndex

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