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Svelte with Test-Driven Development

You're reading from   Svelte with Test-Driven Development Advance your skills and write effective automated tests with Vitest, Playwright, and Cucumber.js

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Product type Paperback
Published in Jun 2023
Publisher Packt
ISBN-13 9781837638338
Length 250 pages
Edition 1st Edition
Languages
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Author (1):
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Daniel Irvine Daniel Irvine
Author Profile Icon Daniel Irvine
Daniel Irvine
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Table of Contents (22) Chapters Close

Preface 1. Part 1: Learning the TDD Cycle
2. Chapter 1: Setting up for Testing FREE CHAPTER 3. Chapter 2: Introducing the Red-Green-Refactor Workflow 4. Chapter 3: Loading Data into a Route 5. Chapter 4: Saving Form Data 6. Chapter 5: Validating Form Data 7. Chapter 6: Editing Form Data 8. Part 2: Refactoring Tests and Application Code
9. Chapter 7: Tidying up Test Suites 10. Chapter 8: Creating Matchers to Simplify Tests 11. Chapter 9: Extracting Logic Out of the Framework 12. Chapter 10: Test-Driving API Endpoints 13. Chapter 11: Replacing Behavior with a Side-By-Side Implementation 14. Chapter 12: Using Component Mocks to Clarify Tests 15. Chapter 13: Adding Cucumber Tests 16. Part 3: Testing SvelteKit Features
17. Chapter 14: Testing Authentication 18. Chapter 15: Test-Driving Svelte Stores 19. Chapter 16: Test-Driving Service Workers 20. Index 21. Other Books You May Enjoy

Thinking ahead with some up-front design

If you imagine that we are a team of developers embarking on a new project, it would be very unlikely that we’d start a project without a project brief – you can’t just start writing tests with no purpose.

The goal of this section, therefore, is two things:

  • Discuss, at a high level, what we’ll build in the first part of the book
  • Learn just enough so that we can write our first failing test

The Birthdays application

We will build a web application called Birthdays that manages a list of people and their birthdays.

Figure 2.2 shows this application in action. The main page is a list of birthdays that have been stored. At the bottom there’s a form to add a new birthday, which is stored as a person’s name (just a single text field) and their date of birth.

Figure 2.2 – The Birthdays application

Figure 2.2 – The Birthdays application

The user accesses this application by navigating...

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