Rails%203%20In%20Action

xiv
18
CONTENTS
17.4 Setting up a testing environment 478
Removing Test::Unit 479 ■ Installing RSpec and
Capybara 481
17.5 Writing your first engine feature 482
Your first Capybara test 483 ■ Setting up routes 484 ■ The
topics controller 485 ■ The index action 485 ■ The new
action 488 ■ The create action 489 ■ The show action 490
Showing an association count 492
17.6 Adding more posts to topics 493
17.7 Classes outside your control 497
Engine configuration 497 ■ A fake User model 500
Authenticating topics 501 ■ Adding authorship to topics 505
Post authentication 506 ■ Showing the last post 509
17.8 Releasing as a gem 512
17.9 Integrating with an application 513
17.10 Summary 514
Rack-based applications 516
18.1 Building Rack applications 517
A basic Rack application 518
18.2 Building bigger Rack applications 522
You’re breaking up 522 ■ Running a combined Rack
application 524
18.3 Mounting a Rack application with Rails 525
Mounting Heartbeat 526 ■ Introducing Sinatra 527
The API, by Sinatra 528 ■ Basic error checking 532
18.4 Middleware 533
Middleware in Rails 534 ■ Investigating
ActionDispatch::Static 536 ■ Crafting middleware 538
18.5 Summary 540
appendix A Why Rails? 541
appendix B Tidbits 546
index 551