book

Full Stack Testing

by Gayathri Mohan

June 2022

Intermediate to advanced

405 pages

11h 2m

English

O'Reilly Media, Inc.

Book available

Read now

Unlock full access

Why I Wrote This BookWho Should Read This Book?Navigating This BookConventions Used in This BookO’Reilly Online LearningHow to Contact UsAcknowledgments
Full Stack Testing for High QualityShift-Left TestingTen Full Stack Testing SkillsKey Takeaways
Building BlocksExploratory Testing FrameworksExploring a FunctionalityManual Exploratory Testing StrategyUnderstand the ApplicationExplore in PartsRepeat Exploratory Testing in PhasesExercisesAPI TestingWeb UI TestingPerspectives: Test Environment HygieneKey Takeaways
Building BlocksIntroduction to Micro and Macro Test TypesAutomated Functional Testing StrategyExercisesUI Functional TestsService TestsUnit TestsAdditional Testing ToolsPactKarateAI/ML Tools in Automated Functional TestingPerspectivesAntipatterns to Overcome100% Automation Coverage!Key Takeaways
Building BlocksIntroduction to Continuous IntegrationThe CI/CT/CD ProcessPrinciples and EtiquetteContinuous Testing StrategyBenefitsExerciseGitJenkinsThe Four Key MetricsKey Takeaways
Building BlocksDatabasesCachesBatch Processing SystemsEvent StreamsData Testing StrategyExercisesSQLJDBCApache Kafka and ZerocodeAdditional Testing ToolsTest ContainersDeequKey Takeaways
Building BlocksIntroduction to Visual TestingProject/Business-Critical Use CasesFrontend Testing StrategyUnit TestsIntegration/Component TestsSnapshot Tests Functional End-to-End TestsVisual TestsCross-Browser TestingFrontend Performance TestingAccessibility TestingExercisesBackstopJSCypressAdditional Testing ToolsApplitools Eyes, an AI-Powered ToolStorybookPerspectives: Visual Testing ChallengesKey Takeaways
Building BlocksCommon CyberattacksThe STRIDE Threat ModelApplication VulnerabilitiesThreat ModelingSecurity Testing StrategyExercisesOWASP Dependency-CheckOWASP ZAPAdditional Testing ToolsSnyk IDE Plug-inTalisman Pre-Commit HookChrome DevTools and PostmanPerspectives: Security Is a HabitKey Takeaways
Backend Performance Testing Building BlocksPerformance, Sales, and Weekends Off Are Correlated!Simple Performance GoalsFactors Affecting Application PerformanceKey Performance IndicatorsTypes of Performance TestsTypes of Load PatternsPerformance Testing StepsExercisesStep 1: Define the Target KPIsStep 2: Define the Test CasesSteps 3–5: Prepare the Data, Environment, and ToolsStep 6: Script the Test Cases and Run Them Using JMeterAdditional Testing ToolsGatlingApache BenchmarkFrontend Performance Testing Building BlocksFactors Affecting Frontend PerformanceRAIL ModelFrontend Performance MetricsExercisesWebPageTestLighthouseAdditional Testing ToolsPageSpeed InsightsChrome DevToolsPerformance Testing StrategyKey Takeaways

Building BlocksAccessibility User PersonasAccessibility EcosystemExample: Screen ReadersWCAG 2.0: Guiding Principles and LevelsLevel A Conformance StandardsAccessibility Enabled Development FrameworksAccessibility Testing StrategyAccessibility Checklist in User StoriesAutomated Accessibility Auditing ToolsManual TestingExercisesWAVELighthouseLighthouse Node ModuleAdditional Testing ToolsPa11y CI Node ModuleAxe-corePerspectives: Accessibility as a CultureKey Takeaways
Building BlocksCFR Testing StrategyFunctionalityUsabilityReliabilityPerformanceSupportabilityOther CFR Testing MethodsChaos EngineeringArchitecture TestingInfrastructure TestingCompliance TestingPerspectives: Evolvability and the Test of Time!Key Takeaways
Building BlocksIntroduction to the Mobile LandscapeMobile App ArchitectureMobile Testing StrategyManual Exploratory TestingFunctional Automated TestingData TestingVisual TestingSecurity TestingPerformance TestingAccessibility TestingCFR TestingExercisesAppiumAppium Visual Testing Plug-inAdditional Testing ToolsAndroid Studio’s Database InspectorPerformance Testing ToolsSecurity Testing ToolsAccessibility ScannerPerspectives: The Mobile Test PyramidKey Takeaways
First Principles in TestingDefect Prevention over Defect DetectionEmpathetic TestingMicro- and Macro-Level TestingFast FeedbackContinuous FeedbackMeasuring Quality MetricsCommunication and Collaboration Are Key to QualitySoft Skills Aid in Building a Quality-First MindsetConclusion
Artificial Intelligence and Machine LearningIntroduction to Machine LearningTesting ML ApplicationsBlockchainIntroduction to Blockchain ConceptsTesting Blockchain ApplicationsInternet of ThingsIntroduction to the IoT’s Five-Layer ArchitectureTesting IoT ApplicationsAugmented Reality and Virtual RealityTesting AR/VR Applications

Content preview from Full Stack Testing

Chapter 8. Performance Testing

Time is money!

—Benjamin Franklin

We’ve all experienced it: sometimes our favorite websites suddenly become as slow as sloths, leaving us wondering, “Is there a problem with my internet?” Remember waiting an eternity during the Cyber Monday sales for a website to load? Or staring at the loading icon waiting for train tickets to show up when you are dying to book your Christmas vacation? Or being left hanging on the booking page for a blockbuster movie? Poor website performance in cases like these can cause us as customers to feel intense frustration.

If you want to save your application’s end users from such frustrations, you have to continuously measure and work to improve its performance. This chapter aims to equip you with the essentials you need for measuring or testing web performance—specifically, we’ll cover topics like performance KPIs, API performance testing, frontend performance testing, and shift-left performance testing. You will also get a chance to try both frontend and API performance testing hands-on as part of this chapter’s exercises.

Because performance testing is such a large topic and must be done both on the backend and the frontend, this chapter is structured a little differently from the previous ones. You’ll find all the familiar sections here, but split into two halves. We’ll start by covering everything you need to know to get up to speed with backend performance testing, including exercises and additional tools. Once ...