Fix specs

app/mailers/emails/notes.rb

@@ -66,6 +66,7 @@ module Emails
     def setup_note_mail(note_id, recipient_id)
       @note = Note.find(note_id)
       @project = @note.project
+      return unless @project
 
       @sent_notification = SentNotification.record_note(@note, recipient_id, reply_key)
     end

app/mailers/notify.rb

@@ -111,7 +111,7 @@ class Notify < BaseMailer
     headers["X-GitLab-#{model.class.name}-ID"] = model.id
     headers['X-GitLab-Reply-Key'] = reply_key
 
-    if Gitlab::IncomingEmail.enabled?
+    if Gitlab::IncomingEmail.enabled? && @sent_notification
       address = Mail::Address.new(Gitlab::IncomingEmail.reply_address(reply_key))
       address.display_name = @project.name_with_namespace
 
@@ -176,6 +176,6 @@ class Notify < BaseMailer
     end
 
     headers['List-Unsubscribe'] = list_unsubscribe_methods.map { |e| "<#{e}>" }.join(',')
-    @sent_notification_url = unsubscribe_sent_notification_url(@sent_notification)
+    @unsubscribe_url = unsubscribe_sent_notification_url(@sent_notification)
   end
 end

app/services/notes/build_service.rb

@@ -2,6 +2,8 @@ module Notes
   class BuildService < BaseService
     def execute
       in_reply_to_discussion_id = params.delete(:in_reply_to_discussion_id)
+      new_discussion = params.delete(:new_discussion)
+
       if project && in_reply_to_discussion_id.present?
         discussion =
           project.notes.find_original_discussion(in_reply_to_discussion_id) ||
@@ -14,7 +16,7 @@ module Notes
         end
 
         params.merge!(discussion.reply_attributes)
-      elsif params.delete(:new_discussion)
+      elsif new_discussion
         # TODO: Remove when we use a selectbox instead of a submit button
         params[:type] = DiscussionNote.name
       end

app/views/layouts/notify.html.haml

@@ -25,8 +25,8 @@
           - if @labels_url
             adjust your #{link_to 'label subscriptions', @labels_url}.
           - else
-            - if @sent_notification_url
-              = link_to "unsubscribe", @sent_notification_url
+            - if @unsubscribe_url
+              = link_to "unsubscribe", @unsubscribe_url
               from this thread or
             adjust your notification settings.
 

app/views/notify/new_mention_in_issue_email.html.haml

 %p
   You have been mentioned in an issue.
 
-= render template: 'new_issue_email'
+= render template: 'notify/new_issue_email'

app/views/notify/new_mention_in_merge_request_email.html.haml

 %p
   You have been mentioned in Merge Request #{@merge_request.to_reference}
 
-= render template: 'new_merge_request_email'
+= render template: 'notify/new_merge_request_email'

spec/factories/sent_notifications.rb

@@ -2,7 +2,7 @@ FactoryGirl.define do
   factory :sent_notification do
     project factory: :empty_project
     recipient factory: :user
-    noteable factory: :issue
+    noteable { create(:issue, project: project) }
     reply_key { SentNotification.reply_key }
   end
 end

spec/models/discussion_note_spec.rb

 require 'spec_helper'
 
 describe DiscussionNote, models: true do
-
 end

spec/models/individual_note_discussion_spec.rb

 require 'spec_helper'
 
 describe IndividualNoteDiscussion, models: true do
-
 end

spec/models/out_of_context_discussion_spec.rb

 require 'spec_helper'
 
 describe OutOfContextDiscussion, model: true do
-
 end

spec/models/sent_notification_spec.rb

@@ -4,7 +4,7 @@ describe SentNotification, model: true do
   describe 'validation' do
     describe 'note validity' do
       context "when the project doesn't match the noteable's project" do
-        subject { build(:sent_notification, project: create(:project)) }
+        subject { build(:sent_notification, noteable: create(:issue)) }
 
         it "is invalid" do
           expect(subject).not_to be_valid