Add initial "Twitter" feature

.gitignore

@@ -1,2 +1,3 @@
 *.gem
 Gemfile.lock
+tmp

features/step_definitions/app_steps.rb

@@ -0,0 +1,53 @@
+Given /^I have a Sinatra app with Cucumber and OmniAuth$/ do
+  FileUtils.rm_rf(App::ROOT)
+  FileUtils.cp_r(File.join(ROOT, 'fixtures/app'), App::ROOT)
+end
+
+When /^I add a "([^"]*)" feature with:$/ do |name, text|
+  App.open_file("features/#{name.downcase.gsub(' ', '_')}.feature", 'w') do |f|
+    f.write "Feature: #{name}\n\n"
+    f.write text.split("\n").collect { |l| "  #{l}" }.join("\n")
+  end
+end
+
+When /^I add the "([^"]*)" strategy to the middleware stack$/ do |strategy|
+  app = File.read(File.join(App::ROOT, 'app.rb'))
+
+  App.open_file('app.rb', 'w') do |f|
+    f.write app.gsub(
+      /(enable :sessions)/,
+      "\\1\n\nuse OmniAuth::Strategies::Twitter, 'KEY', 'SECRET'"
+    )
+  end
+end
+
+When /^I add a link to "([^"]*)" with the text "([^"]*)" to the homepage$/ do |url, text|
+  When "I add the following to my Sinatra app:",
+    "get '/' do\n  '<a href=\"#{url}\">#{text}</a>'\nend"
+end
+
+When /^I add the following step definition to the user steps:$/ do |text|
+  App.open_file('features/step_definitions/user_steps.rb', 'a') do |f|
+    f.write "#{text}\n\n"
+  end
+end
+
+When /^I add the following to my Sinatra app:$/ do |text|
+  App.open_file('app.rb', 'a') do |f|
+    f.write "\n#{text}\n"
+  end
+end
+
+Then /^the features should pass$/ do
+  RVM.gemset.use! 'oa-testing-test'
+
+  FileUtils.cd(App::ROOT) do
+    cucumber_output = `BUNDLE_GEMFILE="#{App::ROOT}/Gemfile" cucumber`
+  end
+
+  if $?.exitstatus != 0
+    raise cucumber_output
+  end
+
+  RVM.gemset.use! 'oa-testing'
+end

features/support/app.rb

@@ -0,0 +1,10 @@
+module App
+  ROOT = File.join(::ROOT, 'tmp/app')
+
+  def open_file(file, mode)
+    File.open(File.join(ROOT, file), mode) do |f|
+      yield f
+    end
+  end
+  module_function :open_file
+end

features/support/env.rb

@@ -1 +1,5 @@
 require 'bundler/setup'
+$: << File.expand_path("~/.rvm/lib")
+require 'rvm'
+
+ROOT = File.expand_path(File.join(File.dirname(__FILE__), '../..'))

features/twitter.feature

@@ -0,0 +1,35 @@
+Feature: Twitter
+
+  Scenario:
+    Given I have a Sinatra app with Cucumber and OmniAuth
+    When I add a "User signs up" feature with:
+      """
+      Scenario: The user chooses to authorize through Twitter
+        Given I am on the homepage
+        When I follow "Sign up using Twitter"
+        And I authorize the app to read my Twitter info
+        Then I should see an OmniAuth hash of my Twitter info
+      """
+    And I add the "Twitter" strategy to the middleware stack
+    And I add a link to "/auth/twitter" with the text "Sign up using Twitter" to the homepage
+    And I add the following step definition to the user steps:
+      """
+      When /^I authorize the app to read my Twitter info$/ do
+        visit '/auth/twitter/callback'
+      end
+      """
+    And I add the following to my Sinatra app:
+      """
+      get '/auth/twitter/callback' do
+        request.env['omniauth.auth'].to_yaml
+      end
+      """
+    And I add the following step definition to the user steps:
+      """
+      Then /^I should see an OmniAuth hash of my Twitter info$/ do
+        auth_hash = YAML.load(response.body)
+        auth_hash['provider'].should == 'twitter'
+        auth_hash['user_info']['name'].should == 'James Garcia'
+      end
+      """
+    Then the features should pass

oa-testing.gemspec

@@ -14,4 +14,5 @@ Gem::Specification.new do |s|
   s.files = ['README.md', 'LICENSE'] + Dir['lib/**/*']
 
   s.add_development_dependency 'cucumber', '~> 0.9.0'
+  s.add_development_dependency 'rspec',    '~> 1.3.0'
 end

spec/fixtures/app/Gemfile

@@ -0,0 +1,9 @@
+source 'http://rubygems.org/'
+
+gem 'sinatra'
+gem 'omniauth'
+gem 'cucumber'
+gem 'rspec'
+gem 'rack-test'
+gem 'webrat'
+gem 'fakeweb'

spec/fixtures/app/app.rb

@@ -0,0 +1,5 @@
+require 'bundler/setup'
+require 'sinatra'
+require 'omniauth'
+
+enable :sessions

spec/fixtures/app/features/fixtures/twitter_user.json

@@ -0,0 +1,35 @@
+{
+   "follow_request_sent": false, 
+   "profile_use_background_image": true, 
+   "id": 218183011, 
+   "verified": false, 
+   "profile_sidebar_fill_color": "DDEEF6", 
+   "profile_text_color": "333333", 
+   "followers_count": 1, 
+   "profile_sidebar_border_color": "C0DEED", 
+   "location": null, 
+   "profile_background_color": "C0DEED", 
+   "id_str": "218183011", 
+   "utc_offset": null, 
+   "statuses_count": 0, 
+   "description": null, 
+   "friends_count": 0, 
+   "profile_link_color": "0084B4", 
+   "profile_image_url": "http://s.twimg.com/a/1290206336/images/default_profile_4_normal.png", 
+   "notifications": false, 
+   "show_all_inline_media": false, 
+   "geo_enabled": false, 
+   "profile_background_image_url": "http://s.twimg.com/a/1290206336/images/themes/theme1/bg.png", 
+   "screen_name": "jamesgarcia123", 
+   "lang": "en", 
+   "profile_background_tile": false, 
+   "favourites_count": 0, 
+   "name": "James Garcia", 
+   "url": null, 
+   "created_at": "Sun Nov 21 17:11:16 +0000 2010", 
+   "contributors_enabled": false, 
+   "time_zone": null, 
+   "protected": false, 
+   "following": false, 
+   "listed_count": 0
+}

spec/fixtures/app/features/step_definitions/web_steps.rb

@@ -0,0 +1,7 @@
+Given /^I am on the homepage$/ do
+  visit '/'
+end
+
+When /^I follow "([^"]*)"$/ do |selector|
+  click_link selector
+end

spec/fixtures/app/features/support/env.rb

@@ -0,0 +1,41 @@
+require File.join(File.dirname(__FILE__), '../../app')
+
+require 'rspec'
+require 'rack/test'
+require 'webrat'
+require 'fakeweb'
+
+FakeWeb.allow_net_connect = false
+
+FakeWeb.register_uri(
+  :post,
+  'https://api.twitter.com/oauth/request_token',
+  body: 'oauth_token=fake&oauth_token_secret=fake'
+)
+
+FakeWeb.register_uri(
+ :post,
+ 'https://api.twitter.com/oauth/access_token',
+ body: 'oauth_token=fake&oauth_token_secret=fake&user_id=218183011'
+)
+
+FakeWeb.register_uri(
+  :get,
+  'https://api.twitter.com/1/account/verify_credentials.json',
+  body: File.read(File.join(File.dirname(__FILE__), '../fixtures/twitter_user.json'))
+)
+
+Webrat.configure do |config|
+  config.mode = :rack
+end
+
+module AppWorld
+  include Rack::Test::Methods
+  include Webrat::Methods
+
+  def app
+    Sinatra::Application
+  end
+end
+
+World(AppWorld)