#217307 Simple spec for authenticate with facebook.

app/controllers/registrations_controller.rb

@@ -13,13 +13,12 @@ def build_resource(*args)
     super
 
     if session[:omniauth]
-      omniauth = session[:omniauth]
+      omniauth = ActiveSupport::HashWithIndifferentAccess.new(session[:omniauth])
 
-      @user.email = omniauth['info']['nickname'] if @user.email.blank?
       @user.accounts.build do |a|
-        a.provider = omniauth['provider']
-        a.uid = omniauth['uid']
-        a.token = omniauth['credentials']['token']
+        a.provider = omniauth[:provider]
+        a.uid = omniauth[:uid]
+        a.token = omniauth[:credentials][:token]
       end
     end
   end

app/controllers/user_accounts_controller.rb

@@ -8,8 +8,8 @@ def index
   def create
     logger.info short_auth_hash.to_yaml
 
-    provider = auth_hash['provider']
-    uid = auth_hash['uid']
+    provider = auth_hash[:provider]
+    uid = auth_hash[:uid]
 
     account = UserAccount.find_by_provider_and_uid(provider, uid)
     if account.present?
@@ -19,8 +19,8 @@ def create
     else
       if current_user.present?
         # Connect logged user to the given account
-        token = auth_hash['credentials']['token']
-        current_user.connect_to(provider, uid: uid, token: token, auth_response: short_auth_hash)
+        token = auth_hash[:credentials][:token]
+        current_user.connect_to(provider, :uid => uid, :token => token, :auth_response => short_auth_hash)
 
         flash[:success] = 'Authentication successful.'
         redirect_to user_accounts_path
@@ -43,11 +43,11 @@ def destroy
   private
 
   def auth_hash
-    request.env['omniauth.auth']
+    ActiveSupport::HashWithIndifferentAccess.new(request.env['omniauth.auth'])
   end
 
   def short_auth_hash
-    auth_hash.except('extra')
+    auth_hash.except(:extra)
   end
 
 end

app/views/devise/sessions/new.html.erb

@@ -1,8 +1,8 @@
 <h2><%= t('users.sign_in') %></h2>
 
 <div class="row auth-buttons">
-  <%= link_to t('action.login_via_facebook'), '/auth/facebook', class: 'btn info' %>
-  <%= link_to t('action.login_via_twitter'), '/auth/twitter', class: 'btn info' %>
+  <%= link_to t('actions.login_via_facebook'), '/auth/facebook', class: 'btn info' %>
+  <%= link_to t('actions.login_via_twitter'), '/auth/twitter', class: 'btn info' %>
 </div>
 
 <%= simple_form_for(resource, :as => resource_name, :url => session_path(resource_name), :html => { :class => 'form-horizontal' }) do |f| %>

config/locales/en.yml

@@ -5,6 +5,7 @@ en:
   are_you_sure: 'Are you sure?'
   actions:
     back: 'Back'
+    login_via_facebook: 'Login via Facebook'
   links:
     home: 'Home'
     posts: 'Blog'

spec/requests/user_facebook_sign_up_spec.rb

@@ -0,0 +1,52 @@
+require 'spec_helper'
+
+feature 'Sign up via Facebook' do
+
+  background do
+    visit root_path
+    click_link 'Sign in'
+
+    OmniAuth.config.mock_auth[:facebook] = {
+      :provider => 'facebook',
+      :uid => '123545',
+      :credentials => {
+        :token => 'facebook token'
+      }
+    }
+  end
+
+  scenario 'click login via facebook' do
+    click_link 'Login via Facebook'
+    page.should have_content('Sign up')
+
+    within 'form#new_user' do
+      fill_in 'Email', :with => 'facebook@user.com'
+      fill_in 'Password', :with => 'password'
+      fill_in 'Password confirmation', :with => 'password'
+      click_button 'Sign up'
+    end
+
+    page.should have_content('Welcome! You have signed up successfully.')
+    page.should have_content('facebook@user.com')
+    current_path.should == root_path
+
+    user = User.find_by_email('facebook@user.com')
+    user.should_not be_nil
+    user.accounts.should have(1).item
+
+    facebook_account = user.accounts.last
+    facebook_account.provider.should == 'facebook'
+    facebook_account.uid.should == '123545'
+    facebook_account.token.should == 'facebook token'
+
+    click_link 'Sign out'
+
+    visit root_path
+    click_link 'Sign in'
+    click_link 'Login via Facebook'
+
+    page.should have_content('Signed in successfully.')
+    page.should have_content('facebook@user.com')
+  end
+
+end

spec/spec_helper.rb

@@ -61,14 +61,23 @@ def format(result)
   require 'rspec/autorun'
   require 'database_cleaner'
   require 'capybara/email/rspec'
+  require 'vcr'
 
   # Requires supporting ruby files with custom matchers and macros, etc,
   # in spec/support/ and its subdirectories.
   Dir[Rails.root.join("spec/support/**/*.rb")].each {|f| require f}
 
   I18n.default_locale = I18n.locale = :en
 
+  VCR.configure do |c|
+    c.cassette_library_dir = File.expand_path('spec/vcr_cassettes', Rails.root)
+    c.hook_into :webmock
+  end
+
+  OmniAuth.config.test_mode = true
+
   RSpec.configure do |config|
+    config.extend VCR::RSpec::Macros
     config.include FactoryGirl::Syntax::Methods
     config.include Macros::UserLogin, :type => :request
     config.include Macros::Mailer, :type => :request