book

Developer Testing: Building Quality into Software

by Alexander Tarlinder

September 2016

Intermediate to advanced

336 pages

9h 33m

English

Addison-Wesley Professional

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Why I Wrote This BookTarget AudienceAbout the ExamplesHow to Read This Book

Developers TestDeveloper Testing ActivitiesUnit TestingIntegration TestingMaintenanceContinuous IntegrationTest AutomationWhat Developers Usually Don’t DoDefining Developer TestingDeveloper Testing and the Development ProcessSummary
Testing and CheckingTesting ObjectivesTesting to CritiqueTesting to SupportTesting StylesTraditional TestingAgile TestingBDD, ATDD, and Specification by ExampleYour Quality Assurance and Developer TestingSummary
Errors, Defects, FailuresWhite Box and Black Box TestingClassifying TestsTest LevelsTest TypesPutting Test Levels and Types to WorkThe Agile Testing QuadrantsSome Other Types of TestingSmoke TestingEnd-to-End TestingCharacterization TestingPositive and Negative TestingSmall, Medium, and Large TestsSummary
Testable SoftwareBenefits of TestabilityIts Functionality Can Be VerifiedIt Comes with Fewer SurprisesIt Can Be ChangedWhy Care about TestabilityTestability DefinedObservabilityControllabilitySmallnessA Reminder about TestabilitySummary
Contracts Formalize ConstraintsContract Building BlocksImplementing Programming by ContractThinking in ContractsEnforcing ContractsAssertionsLibraries that Support ContractsUnit TestsStatic AnalysisSummary
Direct Input and OutputIndirect Input and OutputStateTemporal CouplingData Types and TestabilityDomain-to-Range RatioSummary
Why Do It?What Is a Unit Test?The Life Cycle of a Unit Testing FrameworkTest MethodsTest Initializers and CleanupsConstructors and DestructorsNaming TestsMandated by the FrameworkBehavior-driven Development StyleUnit of Work, State under Test, Expected BehaviorPicking a Naming StandardStructuring TestsAssertion MethodsTypes of AssertionsHow Many Assertions per Test?Verbosity of AssertionsAsserting EqualityConstraints and MatchersTesting ExceptionsBehavior-driven Development–Style FrameworksTest StructureNaming TestsMatchersSummary
Equivalence PartitioningBoundary Value AnalysisEdge Cases and Gotchas for Some Data TypesNumbersStringsDates and TimeCollectionsState Transition TestingDecision TablesSummary
Relations between ObjectsPassing in CollaboratorsUsing Factory MethodsProviding an External Factory or BuilderSystem Resource DependenciesFilesThe System ClockOther System Resource DependenciesDependencies between LayersDependencies across TiersSummary
Parameterized TestsTheoriesGenerative TestingVerifying the ResultsCombinatorial TestingSingle-mode FaultsDouble-mode FaultsBeyond Double-mode Faults and All PairsSummary
ExamplesTests Using In-memory DatabasesTest-specific Mail ServersTests Using Lightweight ContainersTests of Web ServicesImpactSummary
StubsStub FlexibilityStubbing to Get Rid of Side EffectsFakesMock ObjectsVerifying Indirect OutputVerifying Indirect Input TransformationsSpiesDummiesVerify State or Behavior?State VerificationBehavior VerificationThe ArgumentsSummary
Constructing Test DoublesSetting ExpectationsStubbingVerifying InteractionsMisuse, Overuse, and Other PitfallsOververifyingMocking Concrete ClassesMocking Value-holding ClassesMocks Returning MocksSummary
Test-driving a Simple Search EngineTest 1: Discovering the APITest 2: Happy PathTest 3: Searching in Multiple DocumentsTest 4: More Sophisticated DocumentsTest 5: Finding Words in Multiple DocumentsTest 6: Removing Duplicate MatchesTest 7: Introducing RankingTest 8: Ignoring CaseTest 9: Dealing with Punctuation MarksOrder of TestsRed- to Green-bar StrategiesChallengesOur Code Can’t Be TestedOur Code Is SpecialTest-driven Development Isn’t Complete TestingStarting from ZeroTest First or Test Last?Summary
A Different ApproachTest-driving Customer RegistrationAdding More TestsDouble-loop TDDAnother Feedback LoopSummary
Why Duplication Is BadTaking Advantage of DuplicationMechanical DuplicationCopy and PasteBlock Copy and PasteConstructor Copy and PasteMethod DuplicationKnowledge DuplicationSimilar Functionality in Different MethodsSimilar Functionality in Different ClassesCompeting ImplementationsCompeting Domain ModelsSummary
Commenting TestsStrategies for Comment AvoidanceDeleting TestsPrime Candidates for DeletionPossible Candidates for DeletionWhy It’s Important to Delete TestsSummary
Tests that Aren’t Unit TestsTests Enclosed in TransactionsTests that Exercise a Service or a ComponentTests that Interact with Other SystemsTests Running through the User InterfaceTests that Invoke a SystemAnd There’s MoreCharacteristics of Tests that Aren’t Unit TestsComplexityStabilityError LocalizationPerformanceEnvironmental DependenceTarget AudiencePointers and PracticesTest IndependenceSetupVerificationUse of Test DoublesDeciding on a Developer Testing StrategySummary
High-level ConsiderationsTest EffectivenessTest RecipeLevel of Abstraction and DetailArchetypeSource of TruthLow-level ConsiderationsZero-one-manyNullsRangesCollectionsExceptions and ErrorsNumbersStringsDatesSummary
Test DoublesData-driven and Combinatorial TestingTest-driven DevelopmentJUnit VersionSpock VersionBeyond Unit Testing

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Developer Testing: Building Quality into Software

by Alexander Tarlinder

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You might also like

Effective Software Testing

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Publisher Resources

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.