Merge pull request #3251 from consul/mail_intercept

Configurable email interceptor by environment

Gemfile

@@ -54,6 +54,7 @@ gem 'unicorn', '~> 5.4.1'
 gem 'whenever', '~> 0.10.0', require: false
 gem 'globalize', '~> 5.0.0'
 gem 'globalize-accessors', '~> 0.2.1'
+gem 'recipient_interceptor', '~> 0.2.0'
 
 source 'https://rails-assets.org' do
   gem 'rails-assets-leaflet'

Gemfile.lock

@@ -356,6 +356,8 @@ GEM
     rainbow (3.0.0)
     raindrops (0.19.0)
     rake (12.3.1)
+    recipient_interceptor (0.2.0)
+      mail
     redcarpet (3.4.0)
     referer-parser (0.3.0)
     request_store (1.3.2)
@@ -551,6 +553,7 @@ DEPENDENCIES
   rails (= 4.2.11)
   rails-assets-leaflet!
   rails-assets-markdown-it (~> 8.2.1)!
+  recipient_interceptor (~> 0.2.0)
   redcarpet (~> 3.4.0)
   responders (~> 2.4.0)
   rinku (~> 2.0.2)

config/initializers/recipient_interceptor.rb

@@ -0,0 +1,6 @@
+recipients = Rails.application.secrets.email_interceptor_recipients
+
+if recipients.present?
+  interceptor = RecipientInterceptor.new(recipients, subject_prefix: "[#{Rails.env}]")
+  Mail.register_interceptor(interceptor)
+end

config/secrets.yml.example

@@ -1,5 +1,6 @@
 default: &default
   secret_key_base: 56792feef405a59b18ea7db57b4777e855103882b926413d4afdfb8c0ea8aa86ea6649da4e729c5f5ae324c0ab9338f789174cf48c544173bc18fdc3b14262e4
+  email_interceptor_recipients: ""
 
 maps: &maps
   map_tiles_provider: "//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png"

spec/features/emails_spec.rb

@@ -6,6 +6,24 @@ feature 'Emails' do
     reset_mailer
   end
 
+  context "On Staging Environment" do
+
+    scenario "emails are delivered to configured recipient" do
+      interceptor = RecipientInterceptor.new("recipient@consul.dev", subject_prefix: "[staging]")
+      Mail.register_interceptor(interceptor)
+
+      sign_up
+
+      email = open_last_email
+      expect(email).to have_subject("[staging] Confirmation instructions")
+      expect(email).to deliver_to("recipient@consul.dev")
+      expect(email).not_to deliver_to("manuela@consul.dev")
+
+      Mail.unregister_interceptor(interceptor)
+    end
+
+  end
+
   scenario "Signup Email" do
     sign_up