Effective Testing With RSpec 3 by Marston, Myron -- Read -- Imperial Library of Trantor

Index

Effective Testing with RSpec 3

About the Pragmatic Bookshelf Table of Contents Early praise for Effective Testing with RSpec 3 Foreword Acknowledgments

From Myron Marston From Ian Dees

Introduction

How to Use This Book Code Snippets RSpec and Behavior-Driven Development Who We Are Who You Are A Note on Versions Online Resources

Part 1: Getting Started

Installing RSpec Your First Spec Understanding Failure Sharing Setup (But Not Sandwiches) Your Turn Customizing Your Spec s’ Output Identifying Slow Examples Running Just What You Ne ed Marking Work in Progress Your Turn What Your Specs Are Doing for You Comparing Costs and Benefits Different Types of Specs Guidelines

Part 2: Building an App With RSpec 3

First Steps Deciding What to Test First Checking the Response Filling In the Response Body Querying the Data Saving Your P rogress: Pending Specs Your Turn From Acceptance Specs to Unit Specs Filling In the First Spec Handling Success Refactoring Handling Failure Defining the Ledger Your Turn Hooking Up the Database Testing Ledger Behavior Testing the Invalid Case Isolating Your Specs Using Database Transactions Filling In the Behavior Querying Expenses Ensuring the Application Works for Real Your Turn

Part 3: RSpec Core

Getting the Words Right Sharing Common Logic Sharing Example Groups Your Turn Defining Metadata Reading Metadata Selecting Which Specs to Run Sharing Code Conditional ly Changing How Your Specs Run Your Turn Command-Line Configuration Setting Command-Line Defaults Using a Custom Formatter RSpec.configure Your Turn

Part 4: RSpec Expectations

Parts of an Expectation Ho w Matchers Work Composing Matchers Generated Example Descriptions Your Turn Primitive Matchers Higher-Order Matchers Block Matchers Your Turn Delegating to Existing Matchers Using Helper Methods Defining Matcher Aliases Negating Matchers Using the Matcher DSL Defining a Matcher Class Your Turn

Part 5: RSpec Mocks

Types of Test Doubles Usage Modes: Mocks, Stubs, and Spies Origins: Pure, Partial, and Verifying Doubles Your Turn Configuring Responses Setting Constraints Your Turn Constructing Your Test Environment Stubject (Stubbing the Subject) Using Partial Doubles Effecti vely Connecting the Test Subject to Its Environmen t The Risks of Mocking Third-Party C ode High-Fidelity Fakes Faking I/O with StringIO Wrapping a Third-Party Dependency Your Turn

Appendix 1: RSpec and the Wider Ruby Ecosystem

Bundler Rake Using Parts of RSpec With Oth er Test Frameworks

Appendix 2: Using RSpec with Rails

Installation Using rspec-rails Spec Types Spec Types Cheat Sheet Rails Matchers Cheat Sheet

Appendix 3: Matcher Cheat Sheet

Value Matchers Block Matchers

Appendix 4: Bibliography