Testing JavaScript Applications /

Testing JavaScript Applications teaches you how to implement an automated testing plan for JavaScript-based web applications. It describes practical testing strategies, covers useful tools and libraries, and explains how to foster a culture of quality. In this clearly-written, example-rich book, you...

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Detalles Bibliográficos
Autor principal: Da Costa, Lucas (Autor)
Autor Corporativo: Safari, an O'Reilly Media Company
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Manning Publications, 2021.
Edición:1st edition.
Temas:
JavaScript (Computer program language)
Application software > Development.
JavaScript (Langage de programmation)
Logiciels d'application > Développement.
Application software > Development
Acceso en línea:Texto completo (Requiere registro previo con correo institucional)
Tabla de Contenidos:
  • Intro
  • inside front cover
  • Testing JavaScript Applications
  • Copyright
  • dedication
  • contents
  • front matter
  • preface
  • acknowledgments
  • about this book
  • Who should read this book
  • How this book is organized: A roadmap
  • About the code
  • System requirements
  • liveBook discussion forum
  • about the author
  • about the cover illustration
  • Part 1. Testing JavaScript applications
  • 1 An introduction to automated testing
  • 1.1 What is an automated test?
  • 1.2 Why automated tests matter
  • 1.2.1 Predictability
  • 1.2.2 Reproducibility
  • 1.2.3 Collaboration
  • 1.2.4 Speed
  • 3.2.3 Using custom matchers
  • 3.2.4 Circular assertions
  • 3.3 Test doubles: Mocks, stubs, and spies
  • 3.3.1 Mocking imports
  • 3.4 Choosing what to test
  • 3.4.1 Don't test third-party software
  • 3.4.2 To mock, or not to mock: That's the question
  • 3.4.3 When in doubt, choose integration tests
  • 3.5 Code coverage
  • 3.5.1 Automated coverage reports
  • 3.5.2 Coverage types
  • 3.5.3 What coverage is good for and what it isn't
  • Summary
  • 4 Testing backend applications
  • 4.1 Structuring a testing environment
  • 4.1.1 End-to-end testing
  • 4.1.2 Integration testing
  • 4.1.3 Unit testing
  • 4.2 Testing HTTP endpoints
  • 4.2.1 Testing middleware
  • 4.3 Dealing with external dependencies
  • 4.3.1 Integrations with databases
  • 4.3.2 Integrations with other APIs
  • Summary
  • 5 Advanced backend testing techniques
  • 5.1 Eliminating nondeterminism
  • 5.1.1 Parallelism and shared resources
  • 5.1.2 Dealing with time
  • 5.2 Reducing costs while preserving quality
  • 5.2.1 Reducing overlap between tests
  • 5.2.2 Creating transitive guarantees
  • 5.2.3 Turning assertions into preconditions
  • Summary
  • 6 Testing frontend applications
  • 6.1 Introducing JSDOM
  • 6.2 Asserting on the DOM
  • 6.2.1 Making it easier to find elements
  • 6.2.2 Writing better assertions
  • 6.3 Handling events
  • 6.4 Testing and browser APIs
  • 6.4.1 Testing a localStorage integration
  • 6.4.2 Testing a History API integration
  • 6.5 Dealing with WebSockets and HTTP requests
  • 6.5.1 Tests involving HTTP requests
  • 6.5.2 Tests involving WebSockets
  • Summary
  • 7 The React testing ecosystem
  • 7.1 Setting up a test environment for React
  • 7.1.1 Setting up a React application
  • 7.1.2 Setting up a testing environment
  • 7.2 An overview of React testing libraries
  • 7.2.1 Rendering components and the DOM

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