add gems for testing and development emails correctly

Gemfile

@@ -46,6 +46,7 @@ group :development do
   gem 'capistrano-rails-console', require: false
   gem 'capistrano-rvm', '~> 0.1.1', require: false
   gem 'jazz_hands', :git => 'https://github.com/nixme/jazz_hands.git', branch: 'bring-your-own-debugger'
+  gem 'letter_opener_web', '~> 1.3.1'
   gem 'quiet_assets', '~> 1.1.0'
   gem 'rails_layout', '~> 1.0.26'
   gem 'spring-commands-rspec', '~> 1.0.4'
@@ -64,6 +65,7 @@ end
 
 group :test do
   gem 'capybara', '~> 2.5.0'
+  gem 'capybara-email', '~> 2.5.0'
   gem 'coveralls', require: false
   gem 'database_cleaner', '~> 1.5.0'
   gem 'launchy', '~> 2.4.3'

Gemfile.lock

@@ -95,6 +95,9 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    capybara-email (2.5.0)
+      capybara (~> 2.4)
+      mail
     climate_control (0.2.0)
     cliver (0.3.2)
     cocaine (0.5.8)
@@ -199,6 +202,12 @@ GEM
     kgio (2.10.0)
     launchy (2.4.3)
       addressable (~> 2.3)
+    letter_opener (1.4.1)
+      launchy (~> 2.2)
+    letter_opener_web (1.3.1)
+      actionmailer (>= 3.2)
+      letter_opener (~> 1.0)
+      railties (>= 3.2)
     loofah (2.1.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
@@ -459,6 +468,7 @@ DEPENDENCIES
   capistrano-rails-console
   capistrano-rvm (~> 0.1.1)
   capybara (~> 2.5.0)
+  capybara-email (~> 2.5.0)
   cocoon (~> 1.2.6)
   coffee-rails (~> 4.1.0)
   coveralls
@@ -478,6 +488,7 @@ DEPENDENCIES
   jquery-validation-rails (~> 1.13.1)
   kaminari (~> 1.0.1)
   launchy (~> 2.4.3)
+  letter_opener_web (~> 1.3.1)
   newrelic_rpm (~> 3.13.2.302)
   paperclip (~> 4.3, >= 4.3.7)
   pg (~> 0.18.3)

config/environments/development.rb

@@ -38,4 +38,5 @@
 
   # Raises error for missing translations
   # config.action_view.raise_on_missing_translations = true
+  config.action_mailer.delivery_method = :letter_opener_web
 end

config/routes.rb

@@ -40,4 +40,6 @@
     resources :agents, only: :index, format: :json
   end
 
+  mount LetterOpenerWeb::Engine, at: "/letter_opener" if Rails.env.development?
+
 end

spec/features/mailer/events_mailer_spec.rb

@@ -0,0 +1,18 @@
+feature 'Events Mailer' do
+
+  describe "Cancel Event" do
+
+    background do
+      clear_emails
+      @event = create(:event, title: 'New event from Capybara', user: create(:user))
+      @event.cancel = 'true'
+      @event.save!
+      open_email(@event.user.email)
+    end
+
+    scenario 'cancel event mail' do
+      expect(current_email).to have_content I18n.t('mailers.cancel_event.text1', title: @event.title)
+    end
+
+  end
+end

spec/spec_helper.rb

@@ -1,6 +1,7 @@
 require 'coveralls'
 Coveralls.wear!('rails')
 require 'simplecov'
+require 'capybara/email/rspec'
 
 SimpleCov.start