An Elm Primer for React Developers

Christian Ekrem

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Table of Contents

Introduction

Introduction
About the Author

Part I: From React to Elm: Getting Started

Chapter 1: Elm: Delightful Constraints
Chapter 2: The Elm Architecture – A Recipe for Reliable Apps
Chapter 3: Your First Elm App
Chapter 4: Starting Small: Elm in Your React Codebase

Part II: The Outside World: Randomness, APIs, and JavaScript

Chapter 5: Commands and Randomness
Chapter 6: HTTP and Remote Data
Chapter 7: JSON Decoders and Type Safety
Chapter 8: JavaScript Interop: Ports and Flags

Part III: Building Real Applications

Chapter 9: Organizing Files and Modules
Chapter 10: Modules Around Data Structures
Chapter 11: Forms and Validation
Chapter 12: Building a Feedback Wizard
Chapter 13: Routing and Navigation
Chapter 14: State Patterns at Scale
Chapter 15: Testing Strategies
Chapter 16: The Elm Ecosystem for React Developers

Part IV

What’s Coming
Appendix B: The Scary Words You Already Understand

An Elm Primer for React Developers/Part III: Building Real Applications/Chapter 15: Testing Strategies

Chapter 15: Testing Strategies

https://leanpub.com/elm-for-react-devs

From Jest to elm-test

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TDD Where It Shines

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Round 1: The Empty List

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Round 2: A Single Element

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Round 3: Two Different Elements

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Round 4: Consecutive Equal Elements

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Round 5: The Full Test

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Fuzz Testing: Let the Framework Think

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What You Don’t Need to Test

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The Complete Code

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Wrapping Up

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Up next

Chapter 16: The Elm Ecosystem for React Developers

In this chapter

Chapter 15: Testing Strategies
From Jest to elm-test
TDD Where It Shines
Fuzz Testing: Let the Framework Think
What You Don’t Need to Test
The Complete Code
Wrapping Up