Merge branch 'ce-5448-move-mailers-previews' into 'master'

CE: Move mailer preview to app directory

See merge request gitlab-org/gitlab-ce!20430

spec/mailers/previews/notify_preview.rb → app/mailers/previews/notify_preview.rb

@@ -153,7 +153,7 @@ class NotifyPreview < ActionMailer::Preview
     cleanup do
       note = yield
 
-      Notify.public_send(method, user.id, note)
+      Notify.public_send(method, user.id, note) # rubocop:disable GitlabSecurity/PublicSend
     end
   end
 

config/environments/development.rb

@@ -39,7 +39,7 @@ Rails.application.configure do
   config.action_mailer.delivery_method = :letter_opener_web
   # Don't make a mess when bootstrapping a development environment
   config.action_mailer.perform_deliveries = (ENV['BOOTSTRAP'] != '1')
-  config.action_mailer.preview_path = 'spec/mailers/previews'
+  config.action_mailer.preview_path = 'app/mailers/previews'
 
   config.eager_load = false
 

doc/development/emails.md

@@ -10,12 +10,12 @@ To view rendered emails "sent" in your development instance, visit
 Rails provides a way to preview our mailer templates in HTML and plaintext using
 dummy data.
 
-The previews live in [`spec/mailers/previews`][previews] and can be viewed at
+The previews live in [`app/mailers/previews`][previews] and can be viewed at
 [`/rails/mailers`](http://localhost:3000/rails/mailers).
 
 See the [Rails guides] for more info.
 
-[previews]: https://gitlab.com/gitlab-org/gitlab-ce/tree/master/spec/mailers/previews
+[previews]: https://gitlab.com/gitlab-org/gitlab-ce/tree/master/app/mailers/previews
 [Rails guides]: http://guides.rubyonrails.org/action_mailer_basics.html#previewing-emails
 
 ## Incoming email