Agile Web Development with Rails, Edition 4

Table of Contents Table of Contents

2 Instant Gratification

Expected at least 1 element matching "h1", found 0.

Traceback:
  /home/rubys/git/awdwr/edition4/checkdepot.rb:39

We start with a simple "hello world!" demo application and in the process verify that everything is installed correctly.

Create the application

bundle exec /home/rubys/git/rails/railties/bin/rails new demo1 --skip-bundle --dev
      create  
      create  README.rdoc
      create  Rakefile
      create  config.ru
      create  .gitignore
      create  Gemfile
      create  app
      create  app/assets/images/rails.png
      create  app/assets/javascripts/application.js
      create  app/assets/stylesheets/application.css
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  app/mailers
      create  app/models
      create  app/views/layouts/application.html.erb
      create  app/mailers/.gitkeep
      create  app/models/.gitkeep
      create  config
      create  config/routes.rb
      create  config/application.rb
      create  config/environment.rb
      create  config/environments
      create  config/environments/development.rb
      create  config/environments/production.rb
      create  config/environments/test.rb
      create  config/initializers
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/secret_token.rb
      create  config/initializers/session_store.rb
      create  config/initializers/wrap_parameters.rb
      create  config/locales
      create  config/locales/en.yml
      create  config/boot.rb
      create  config/database.yml
      create  db
      create  db/seeds.rb
      create  doc
      create  doc/README_FOR_APP
      create  lib
      create  lib/tasks
      create  lib/tasks/.gitkeep
      create  lib/assets
      create  lib/assets/.gitkeep
      create  log
      create  log/.gitkeep
      create  public
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/favicon.ico
      create  public/index.html
      create  public/robots.txt
      create  script
      create  script/rails
      create  test/fixtures
      create  test/fixtures/.gitkeep
      create  test/functional
      create  test/functional/.gitkeep
      create  test/integration
      create  test/integration/.gitkeep
      create  test/unit
      create  test/unit/.gitkeep
      create  test/performance/browsing_test.rb
      create  test/test_helper.rb
      create  tmp/cache
      create  tmp/cache/assets
      create  vendor/assets/javascripts
      create  vendor/assets/javascripts/.gitkeep
      create  vendor/assets/stylesheets
      create  vendor/assets/stylesheets/.gitkeep
      create  vendor/plugins
      create  vendor/plugins/.gitkeep
bundle install --local
Resolving dependencies...
Using rake (10.2.2)
Using i18n (0.6.9)
Using multi_json (1.9.2)
Using activesupport (3.2.17) from source at /home/rubys/git/rails
Using builder (3.0.4)
Using activemodel (3.2.17) from source at /home/rubys/git/rails
Using erubis (2.7.0)
Using journey (1.0.4.20120614141756) from source at /home/rubys/git/journey
Using rack (1.4.5)
Using rack-cache (1.2)
Using rack-test (0.6.2)
Using hike (1.2.3)
Using tilt (1.4.1)
Using sprockets (2.2.2)
Using actionpack (3.2.17) from source at /home/rubys/git/rails
Using mime-types (1.25.1)
Using polyglot (0.3.4)
Using treetop (1.4.15)
Using mail (2.5.4)
Using actionmailer (3.2.17) from source at /home/rubys/git/rails
Using arel (3.0.3.20131114190737) from source at /home/rubys/git/arel
Using tzinfo (0.3.39)
Using activerecord (3.2.17) from source at /home/rubys/git/rails
Using activeresource (3.2.17) from source at /home/rubys/git/rails
Using bundler (1.5.3)
Using coffee-script-source (1.7.0)
Using execjs (2.0.2)
Using coffee-script (2.2.0)
Using rack-ssl (1.3.4)
Using json (1.8.1)
Using rdoc (3.12.2)
Using thor (0.19.1)
Using railties (3.2.17) from source at /home/rubys/git/rails
Using coffee-rails (3.2.2) from source at /home/rubys/git/coffee-rails
Using jquery-rails (3.1.0)
Using rails (3.2.17) from source at /home/rubys/git/rails
Using sass (3.3.4)
Using sass-rails (3.2.6) from source at /home/rubys/git/sass-rails
Using sqlite3 (1.3.9)
Using uglifier (2.5.0)
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.

See what files were created

ls -p
app/	   db/	    Gemfile.lock  public/      script/	vendor/
config/    doc/     lib/	  Rakefile     test/
config.ru  Gemfile  log/	  README.rdoc  tmp/

Create a simple controller

rails generate controller Say hello goodbye
      create  app/controllers/say_controller.rb
       route  get "say/goodbye"
       route  get "say/hello"
      invoke  erb
      create    app/views/say
      create    app/views/say/hello.html.erb
      create    app/views/say/goodbye.html.erb
      invoke  test_unit
      create    test/functional/say_controller_test.rb
      invoke  helper
      create    app/helpers/say_helper.rb
      invoke    test_unit
      create      test/unit/helpers/say_helper_test.rb
      invoke  assets
      invoke    coffee
      create      app/assets/javascripts/say.js.coffee
      invoke    scss
      create      app/assets/stylesheets/say.css.scss
edit app/controllers/say_controller.rb
class SayController < ApplicationController
  def hello
  end
 
  def goodbye
  end
end

Start the server.

Attempt to fetch the file - note that it is missing

get /say/hello
#<EOFError: end of file reached>
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/protocol.rb:135:in `sysread'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/protocol.rb:135:in `rbuf_fill'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/timeout.rb:67:in `timeout'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/timeout.rb:101:in `timeout'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/protocol.rb:134:in `rbuf_fill'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/protocol.rb:116:in `readuntil'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/protocol.rb:126:in `readline'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/http.rb:2028:in `read_status_line'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/http.rb:2017:in `read_new'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/http.rb:1051:in `request'
  /home/rubys/git/gorp/lib/gorp/net.rb:106:in `post'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/http.rb:543:in `start'
  /home/rubys/.rvm/rubies/ruby-1.8.7-p374/lib/ruby/1.8/net/http.rb:440:in `start'
  /home/rubys/git/gorp/lib/gorp/net.rb:97:in `post'
  /home/rubys/git/gorp/lib/gorp/net.rb:83:in `get'
  makedepot.rb:49
  /home/rubys/git/gorp/lib/gorp/output.rb:59:in `call'
  /home/rubys/git/gorp/lib/gorp/output.rb:59
  /home/rubys/git/gorp/lib/gorp/output.rb:49:in `each'
  /home/rubys/git/gorp/lib/gorp/output.rb:49
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:170:in `call'
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:170:in `_nested_structures'
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:63:in `tag!'
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:88:in `method_missing'
  /home/rubys/git/gorp/lib/gorp/output.rb:22
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:170:in `call'
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:170:in `_nested_structures'
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:63:in `tag!'
  /home/rubys/.rvm/gems/ruby-1.8.7-p374/gems/builder-3.0.4/lib/builder/xmlbase.rb:88:in `method_missing'
  /home/rubys/git/gorp/lib/gorp/output.rb:11
  makedepot.rb:4179
    

Table of Contents Table of Contents