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'll explore approaches for both backend and frontend applications and learn how to validate your software much more quickly and reliably.

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
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