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Fast Feedback Using Ruby

Stephan Kämper

Let's use Ruby to automatically get feedback as early as possible. Whether running automated tests or creating image files from raw data, Ruby can be used to automate these tasks. Furthermore, it can also be used to automate running tasks whenever a file changes. Does that sound like a good idea? Then this book is for you.

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About

About

About the Book

The book describes various ways of getting feedback — and fast feedback — using Ruby tools, such as plain Ruby scripts and Rake tasks. It also shows a way to automatically execute these tools, using guard.

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Categories

AgileSoftwareRubyComputers and Programming

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License

Creative Commons Attribution 4.0 International License

Author

About the Author

Stephan Kämper

Stehpan is a traveller (not necessarily in a geographical sense) who seeks, observes … and occasionally finds.

He studied physics, worked in oceanography, survived cancer, lives at the seaside, and blogs at https://seasidetesting.com/.

Most used languages (in alphabetical order): English, German, Ruby.

Contents

Table of Contents

Acknowledgements

Preface

  1. Who is this book for?
  2. Assumptions
  3. Icons used in the book
  4. Setup & Environment
  5. Using Filefiles

1Introduction

2First experiments

  1. 2.1A task to solve
  2. 2.2A general setup for projects
  3. 2.3The first HTML generator

3Rake

  1. 3.1An overview
  2. 3.2The simple text transformation as a Rake task

4Guard

  1. 4.1Guard installation
  2. 4.2Running Guard – having a Guardfile & a plug-in
  3. 4.3Example Guard usage

5Combining Rake and Guard

  1. 5.1The directory task
  2. 5.2Rake’s FileList
  3. 5.3A task dependency
  4. 5.4A rule to describe how to generate the HTML files

6Rake details

  1. 6.1How Rake finds the Rakefile in a directory hierarchy
  2. 6.2Name spaces
  3. 6.3Task Names
  4. 6.4Task bodies and code blocks
  5. 6.5Task dependencies
  6. 6.6Task parameters
  7. 6.7Rake troubles

7Guard details

  1. 7.1The Guardfile DSL
  2. 7.2A selection of plug-ins

8Testing Rake tasks – overview

  1. 8.1You don’t test them
  2. 8.2Non-Automated Testing
  3. 8.3Cucumber
  4. 8.4MiniTest or RSpec + Refactored Rake Tasks
  5. 8.5‘Redefine’ Rake Methods
  6. 8.6Some General Remarks

9Testing Rake tasks

  1. 9.1Legacy Rake tasks

Epilogue

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