Support comments for personal snippets

# Conflicts:
#	app/views/snippets/show.html.haml
#	spec/helpers/notes_helper_spec.rb

app/controllers/concerns/notes_actions.rb

@@ -65,6 +65,15 @@ module NotesActions
 
   private
 
+  def note_html(note)
+    render_to_string(
+      "shared/notes/_note",
+      layout: false,
+      formats: [:html],
+      locals: { note: note }
+    )
+  end
+
   def note_json(note)
     attrs = {
       commands_changes: note.commands_changes
@@ -98,6 +107,41 @@ module NotesActions
     attrs
   end
 
+  def diff_discussion_html(discussion)
+    return unless discussion.diff_discussion?
+
+    if params[:view] == 'parallel'
+      template = "discussions/_parallel_diff_discussion"
+      locals =
+        if params[:line_type] == 'old'
+          { discussions_left: [discussion], discussions_right: nil }
+        else
+          { discussions_left: nil, discussions_right: [discussion] }
+        end
+    else
+      template = "discussions/_diff_discussion"
+      locals = { discussions: [discussion] }
+    end
+
+    render_to_string(
+      template,
+      layout: false,
+      formats: [:html],
+      locals: locals
+    )
+  end
+
+  def discussion_html(discussion)
+    return if discussion.individual_note?
+
+    render_to_string(
+      "discussions/_discussion",
+      layout: false,
+      formats: [:html],
+      locals: { discussion: discussion }
+    )
+  end
+
   def authorize_admin_note!
     return access_denied! unless can?(current_user, :admin_note, note)
   end

app/controllers/projects/notes_controller.rb

@@ -62,50 +62,6 @@ class Projects::NotesController < Projects::ApplicationController
   end
   alias_method :awardable, :note
 
-  def note_html(note)
-    render_to_string(
-      "shared/notes/_note",
-      layout: false,
-      formats: [:html],
-      locals: { note: note }
-    )
-  end
-
-  def discussion_html(discussion)
-    return if discussion.individual_note?
-
-    render_to_string(
-      "discussions/_discussion",
-      layout: false,
-      formats: [:html],
-      locals: { discussion: discussion }
-    )
-  end
-
-  def diff_discussion_html(discussion)
-    return unless discussion.diff_discussion?
-
-    if params[:view] == 'parallel'
-      template = "discussions/_parallel_diff_discussion"
-      locals =
-        if params[:line_type] == 'old'
-          { discussions_left: [discussion], discussions_right: nil }
-        else
-          { discussions_left: nil, discussions_right: [discussion] }
-        end
-    else
-      template = "discussions/_diff_discussion"
-      locals = { discussions: [discussion] }
-    end
-
-    render_to_string(
-      template,
-      layout: false,
-      formats: [:html],
-      locals: locals
-    )
-  end
-
   def finder_params
     params.merge(last_fetched_at: last_fetched_at)
   end

app/controllers/snippets/notes_controller.rb

@@ -13,15 +13,6 @@ class Snippets::NotesController < ApplicationController
   end
   alias_method :awardable, :note
 
-  def note_html(note)
-    render_to_string(
-      "shared/notes/_note",
-      layout: false,
-      formats: [:html],
-      locals: { note: note }
-    )
-  end
-
   def project
     nil
   end

app/controllers/snippets_controller.rb

@@ -64,6 +64,7 @@ class SnippetsController < ApplicationController
     blob = @snippet.blob
     override_max_blob_size(blob)
 
+    @note = Note.new(noteable: @snippet)
     @noteable = @snippet
 
     @discussions = @snippet.discussions

app/helpers/gitlab_routing_helper.rb

@@ -123,7 +123,11 @@ module GitlabRoutingHelper
   end
 
   def preview_markdown_path(project, *args)
-    preview_markdown_namespace_project_path(project.namespace, project, *args)
+    if @snippet.is_a?(PersonalSnippet)
+      preview_markdown_snippet_path(@snippet)
+    else
+      preview_markdown_namespace_project_path(project.namespace, project, *args)
+    end
   end
 
   def toggle_subscription_path(entity, *args)

app/helpers/notes_helper.rb

@@ -76,4 +76,47 @@ module NotesHelper
       namespace_project_commit_path(discussion.project.namespace, discussion.project, discussion.noteable, anchor: anchor)
     end
   end
+
+  def notes_url
+    if @snippet.is_a?(PersonalSnippet)
+      snippet_notes_path(@snippet)
+    else
+      namespace_project_noteable_notes_path(
+        namespace_id: @project.namespace,
+        project_id: @project,
+        target_id: @noteable.id,
+        target_type: @noteable.class.name.underscore
+      )
+    end
+  end
+
+  def note_url(note)
+    if note.noteable.is_a?(PersonalSnippet)
+      snippet_note_path(note.noteable, note)
+    else
+      namespace_project_note_path(@project.namespace, @project, note)
+    end
+  end
+
+  def form_resources
+    if @snippet.is_a?(PersonalSnippet)
+      [@note]
+    else
+      [@project.namespace.becomes(Namespace), @project, @note]
+    end
+  end
+
+  def new_form_url
+    return nil unless @snippet.is_a?(PersonalSnippet)
+
+    snippet_notes_path(@snippet)
+  end
+
+  def can_create_note?
+    if @snippet.is_a?(PersonalSnippet)
+      can?(current_user, :comment_personal_snippet, @snippet)
+    else
+      can?(current_user, :create_note, @project)
+    end
+  end
 end

app/services/notes/build_service.rb

@@ -3,8 +3,8 @@ module Notes
     def execute
       in_reply_to_discussion_id = params.delete(:in_reply_to_discussion_id)
 
-      if project && in_reply_to_discussion_id.present?
-        discussion = project.notes.find_discussion(in_reply_to_discussion_id)
+      if in_reply_to_discussion_id.present?
+        discussion = find_discussion(in_reply_to_discussion_id)
 
         unless discussion
           note = Note.new
@@ -21,5 +21,19 @@ module Notes
 
       note
     end
+
+    def find_discussion(discussion_id)
+      if project
+        project.notes.find_discussion(discussion_id)
+      else
+        # only PersonalSnippets can have discussions without project association
+        discussion = Note.find_discussion(discussion_id)
+        noteable = discussion.noteable
+
+        return nil unless noteable.is_a?(PersonalSnippet) && can?(current_user, :comment_personal_snippet, noteable)
+
+        discussion
+      end
+    end
   end
 end

app/views/layouts/snippets.html.haml

 - header_title  "Snippets", snippets_path
 
+- content_for :page_specific_javascripts do
+  - if @snippet&.persisted? && current_user
+    :javascript
+      window.uploads_path = "#{upload_path('personal_snippet', @snippet)}";
+      window.preview_markdown_path = "#{preview_markdown_snippet_path(@snippet)}";
+
 = render template: "layouts/application"

app/views/projects/commit/show.html.haml

@@ -13,7 +13,7 @@
     .block-connector
   = render "projects/diffs/diffs", diffs: @diffs, environment: @environment
 
-  = render "projects/notes/notes_with_form"
+  = render "shared/notes/notes_with_form"
   - if can_collaborate_with_project?
     - %w(revert cherry-pick).each do |type|
       = render "projects/commit/change", type: type, commit: @commit, title: @commit.title

app/views/projects/issues/_discussion.html.haml

@@ -4,4 +4,4 @@
     = link_to 'Close issue', issue_path(@issue, issue: {state_event: :close}, format: 'json'), data: {no_turbolink: true, original_text: "Close issue", alternative_text: "Comment & close issue"}, class: "btn btn-nr btn-close btn-comment js-note-target-close #{issue_button_visibility(@issue, true)}", title: 'Close issue'
 
 #notes
-  = render 'projects/notes/notes_with_form'
+  = render 'shared/notes/notes_with_form'

app/views/projects/merge_requests/_discussion.html.haml

@@ -8,4 +8,4 @@
     %button.btn.btn-nr.btn-default.append-right-10.js-comment-resolve-button{ "v-if" => "showButton", type: "submit", data: { project_path: "#{project_path(@merge_request.project)}" } }
       {{ buttonText }}
 
-#notes= render "projects/notes/notes_with_form"
+#notes= render "shared/notes/notes_with_form"

app/views/projects/milestones/_form.html.haml

@@ -11,7 +11,7 @@
         .col-sm-10
           = render layout: 'projects/md_preview', locals: { url: preview_markdown_path(@project) } do
             = render 'projects/zen', f: f, attr: :description, classes: 'note-textarea', placeholder: 'Write milestone description...'
-            = render 'projects/notes/hints'
+            = render 'shared/notes/hints'
           .clearfix
           .error-alert
     = render "shared/milestones/form_dates", f: f

app/views/projects/notes/_edit.html.haml

-.original-note-content.hidden{ data: { post_url: namespace_project_note_path(@project.namespace, @project, note), target_id: note.noteable.id, target_type: note.noteable.class.name.underscore } }
-  #{note.note}
-%textarea.hidden.js-task-list-field.original-task-list{ data: {update_url: namespace_project_note_path(@project.namespace, @project, note) } }= note.note

app/views/projects/releases/edit.html.haml

@@ -13,7 +13,7 @@
   = form_for(@release, method: :put, url: namespace_project_tag_release_path(@project.namespace, @project, @tag.name), html: { class: 'form-horizontal common-note-form release-form js-quick-submit' }) do |f|
     = render layout: 'projects/md_preview', locals: { url: preview_markdown_path(@project), referenced_users: true } do
       = render 'projects/zen', f: f, attr: :description, classes: 'note-textarea', placeholder: "Write your release notes or drag files here..."
-      = render 'projects/notes/hints'
+      = render 'shared/notes/hints'
     .error-alert
     .prepend-top-default
       = f.submit 'Save changes', class: 'btn btn-save'

app/views/projects/snippets/show.html.haml

@@ -9,4 +9,4 @@
   .row-content-block.top-block.content-component-block
     = render 'award_emoji/awards_block', awardable: @snippet, inline: true
 
-  #notes= render "projects/notes/notes_with_form"
+  #notes= render "shared/notes/notes_with_form"

app/views/projects/tags/new.html.haml

@@ -30,7 +30,7 @@
     .col-sm-10
       = render layout: 'projects/md_preview', locals: { url: preview_markdown_path(@project), referenced_users: true } do
         = render 'projects/zen', attr: :release_description, classes: 'note-textarea', placeholder: "Write your release notes or drag files here..."
-        = render 'projects/notes/hints'
+        = render 'shared/notes/hints'
       .help-block Optionally, add release notes to the tag. They will be stored in the GitLab database and displayed on the tags page.
   .form-actions
     = button_tag 'Create tag', class: 'btn btn-create', tabindex: 3

app/views/projects/wikis/_form.html.haml

@@ -14,7 +14,7 @@
     .col-sm-10
       = render layout: 'projects/md_preview', locals: { url: namespace_project_wiki_preview_markdown_path(@project.namespace, @project, @page.slug) } do
         = render 'projects/zen', f: f, attr: :content, classes: 'note-textarea', placeholder: 'Write your content or drag files here...'
-        = render 'projects/notes/hints'
+        = render 'shared/notes/hints'
 
       .clearfix
       .error-alert

app/views/shared/issuable/form/_description.html.haml

@@ -17,6 +17,6 @@
                                classes: 'note-textarea',
                                placeholder: "Write a comment or drag your files here...",
                                supports_slash_commands: supports_slash_commands
-      = render 'projects/notes/hints', supports_slash_commands: supports_slash_commands
+      = render 'shared/notes/hints', supports_slash_commands: supports_slash_commands
       .clearfix
       .error-alert

app/views/shared/notes/_edit.html.haml

+.original-note-content.hidden{ data: { post_url: note_url(note), target_id: note.noteable.id, target_type: note.noteable.class.name.underscore } }
+  #{note.note}
+%textarea.hidden.js-task-list-field.original-task-list{ data: {update_url: note_url(note) } }= note.note

app/views/projects/notes/_edit_form.html.haml → app/views/shared/notes/_edit_form.html.haml

@@ -4,7 +4,7 @@
     = hidden_field_tag :target_type, '', class: 'js-form-target-type'
     = render layout: 'projects/md_preview', locals: { url: preview_markdown_path(project), referenced_users: true } do
       = render 'projects/zen', attr: 'note[note]', classes: 'note-textarea js-note-text js-task-list-field', placeholder: "Write a comment or drag your files here..."
-      = render 'projects/notes/hints'
+      = render 'shared/notes/hints'
 
     .note-form-actions.clearfix
       .settings-message.note-edit-warning.js-finish-edit-warning

app/views/projects/notes/_form.html.haml → app/views/shared/notes/_form.html.haml

@@ -4,7 +4,7 @@
 - else
   - preview_url = preview_markdown_path(@project)
 
-= form_for [@project.namespace.becomes(Namespace), @project, @note], remote: true, html: { :'data-type' => 'json', multipart: true, id: nil, class: "new-note js-new-note-form js-quick-submit common-note-form", "data-noteable-iid" => @note.noteable.try(:iid), }, authenticity_token: true do |f|
+= form_for form_resources, url: new_form_url, remote: true, html: { :'data-type' => 'json', multipart: true, id: nil, class: "new-note js-new-note-form js-quick-submit common-note-form", "data-noteable-iid" => @note.noteable.try(:iid), }, authenticity_token: true do |f|
   = hidden_field_tag :view, diff_view
   = hidden_field_tag :line_type
   = hidden_field_tag :merge_request_diff_head_sha, @note.noteable.try(:diff_head_sha)
@@ -28,11 +28,11 @@
       classes: 'note-textarea js-note-text',
       placeholder: "Write a comment or drag your files here...",
       supports_slash_commands: supports_slash_commands
-    = render 'projects/notes/hints', supports_slash_commands: supports_slash_commands
+    = render 'shared/notes/hints', supports_slash_commands: supports_slash_commands
     .error-alert
 
   .note-form-actions.clearfix
-    = render partial: 'projects/notes/comment_button'
+    = render partial: 'shared/notes/comment_button'
 
     = yield(:note_actions)
 

app/views/shared/notes/_note.html.haml

@@ -42,10 +42,7 @@
           = note.redacted_note_html
         = edited_time_ago_with_tooltip(note, placement: 'bottom', html_class: 'note_edited_ago', include_author: true)
         - if note_editable
-          - if note.for_personal_snippet?
-            = render 'snippets/notes/edit', note: note
-          - else
-            = render 'projects/notes/edit', note: note
+          = render 'shared/notes/edit', note: note
         .note-awards
           = render 'award_emoji/awards_block', awardable: note, inline: false
         - if note.system

app/views/projects/notes/_notes_with_form.html.haml → app/views/shared/notes/_notes_with_form.html.haml

 %ul#notes-list.notes.main-notes-list.timeline
   = render "shared/notes/notes"
 
-= render 'projects/notes/edit_form', project: @project
+= render 'shared/notes/edit_form', project: @project
 
 %ul.notes.notes-form.timeline
   %li.timeline-entry
     .flash-container.timeline-content
 
-    - if can? current_user, :create_note, @project
+    - if  can_create_note?
       .timeline-icon.hidden-xs.hidden-sm
         %a.author_link{ href: user_path(current_user) }
           = image_tag avatar_icon(current_user), alt: current_user.to_reference, class: 'avatar s40'
       .timeline-content.timeline-content-form
-        = render "projects/notes/form", view: diff_view
+        = render "shared/notes/form", view: diff_view
     - elsif !current_user
       .disabled-comment.text-center
         .disabled-comment-text.inline
@@ -23,4 +23,4 @@
           to post a comment
 
 :javascript
-  var notes = new Notes("#{namespace_project_noteable_notes_path(namespace_id: @project.namespace, project_id: @project, target_id: @noteable.id, target_type: @noteable.class.name.underscore)}", #{@notes.map(&:id).to_json}, #{Time.now.to_i}, "#{diff_view}")
+  var notes = new Notes("#{notes_url}", #{@notes.map(&:id).to_json}, #{Time.now.to_i}, "#{diff_view}")

app/views/snippets/notes/_notes.html.haml

-%ul#notes-list.notes.main-notes-list.timeline
-  = render "projects/notes/notes"

app/views/snippets/show.html.haml

@@ -2,11 +2,11 @@
 
 = render 'shared/snippets/header'
 
-%article.file-holder.snippet-file-content
-  = render 'shared/snippets/blob'
+.personal-snippets
+  %article.file-holder.snippet-file-content
+    = render 'shared/snippets/blob'
 
-.row-content-block.top-block.content-component-block
-  = render 'award_emoji/awards_block', awardable: @snippet, inline: true
+  .row-content-block.top-block.content-component-block
+    = render 'award_emoji/awards_block', awardable: @snippet, inline: true
 
-%ul#notes-list.notes.main-notes-list.timeline
-  #notes= render 'shared/notes/notes'
+  #notes= render "shared/notes/notes_with_form"

changelogs/unreleased/12910-personal-snippets-notes.yml

+---
+title: Support comments for personal snippets
+merge_request:
+author:

spec/factories/notes.rb

@@ -29,6 +29,8 @@ FactoryGirl.define do
 
     factory :discussion_note_on_commit, traits: [:on_commit], class: DiscussionNote
 
+    factory :discussion_note_on_personal_snippet, traits: [:on_personal_snippet], class: DiscussionNote
+
     factory :legacy_diff_note_on_commit, traits: [:on_commit, :legacy_diff_note], class: LegacyDiffNote
 
     factory :legacy_diff_note_on_merge_request, traits: [:on_merge_request, :legacy_diff_note], class: LegacyDiffNote do

spec/features/snippets/notes_on_personal_snippets_spec.rb

 require 'spec_helper'
 
-describe 'Comments on personal snippets', feature: true do
+describe 'Comments on personal snippets', :js, feature: true do
   let!(:user)    { create(:user) }
   let!(:snippet) { create(:personal_snippet, :public) }
   let!(:snippet_notes) do
@@ -18,7 +18,7 @@ describe 'Comments on personal snippets', feature: true do
 
   subject { page }
 
-  context 'viewing the snippet detail page' do
+  context 'when viewing the snippet detail page' do
     it 'contains notes for a snippet with correct action icons' do
       expect(page).to have_selector('#notes-list li', count: 2)
 
@@ -36,4 +36,64 @@ describe 'Comments on personal snippets', feature: true do
       end
     end
   end
+
+  context 'when submitting a note' do
+    it 'shows a valid form' do
+      is_expected.to have_css('.js-main-target-form', visible: true, count: 1)
+      expect(find('.js-main-target-form .js-comment-button').value).
+        to eq('Comment')
+
+      page.within('.js-main-target-form') do
+        expect(page).not_to have_link('Cancel')
+      end
+    end
+
+    it 'previews a note' do
+      fill_in 'note[note]', with: 'This is **awesome**!'
+      find('.js-md-preview-button').click
+
+      page.within('.new-note .md-preview') do
+        expect(page).to have_content('This is awesome!')
+        expect(page).to have_selector('strong')
+      end
+    end
+
+    it 'creates a note' do
+      fill_in 'note[note]', with: 'This is **awesome**!'
+      click_button 'Comment'
+
+      expect(find('div#notes')).to have_content('This is awesome!')
+    end
+  end
+
+  context 'when editing a note' do
+    it 'changes the text' do
+      page.within("#notes-list li#note_#{snippet_notes[0].id}") do
+        click_on 'Edit comment'
+      end
+
+      page.within('.current-note-edit-form') do
+        fill_in 'note[note]', with: 'new content'
+        find('.btn-save').click
+      end
+
+      page.within("#notes-list li#note_#{snippet_notes[0].id}") do
+        expect(page).to have_css('.note_edited_ago')
+        expect(page).to have_content('new content')
+        expect(find('.note_edited_ago').text).to match(/less than a minute ago/)
+      end
+    end
+  end
+
+  context 'when deleting a note' do
+    it 'removes the note from the snippet detail page' do
+      page.within("#notes-list li#note_#{snippet_notes[0].id}") do
+        click_on 'Remove comment'
+      end
+
+      wait_for_ajax
+
+      expect(page).not_to have_selector("#notes-list li#note_#{snippet_notes[0].id}")
+    end
+  end
 end

spec/helpers/notes_helper_spec.rb

@@ -175,4 +175,79 @@ describe NotesHelper do
       end
     end
   end
+
+  describe '#notes_url' do
+    it 'return snippet notes path for personal snippet' do
+      @snippet = create(:personal_snippet)
+
+      expect(helper.notes_url).to eq("/snippets/#{@snippet.id}/notes")
+    end
+
+    it 'return project notes path for project snippet' do
+      namespace = create(:namespace, path: 'nm')
+      @project = create(:empty_project, path: 'test', namespace: namespace)
+      @snippet = create(:project_snippet, project: @project)
+      @noteable = @snippet
+
+      expect(helper.notes_url).to eq("/nm/test/noteable/project_snippet/#{@noteable.id}/notes")
+    end
+
+    it 'return project notes path for other noteables' do
+      namespace = create(:namespace, path: 'nm')
+      @project = create(:empty_project, path: 'test', namespace: namespace)
+      @noteable = create(:issue, project: @project)
+
+      expect(helper.notes_url).to eq("/nm/test/noteable/issue/#{@noteable.id}/notes")
+    end
+  end
+
+  describe '#note_url' do
+    it 'return snippet notes path for personal snippet' do
+      note = create(:note_on_personal_snippet)
+
+      expect(helper.note_url(note)).to eq("/snippets/#{note.noteable.id}/notes/#{note.id}")
+    end
+
+    it 'return project notes path for project snippet' do
+      namespace = create(:namespace, path: 'nm')
+      @project = create(:empty_project, path: 'test', namespace: namespace)
+      note = create(:note_on_project_snippet, project: @project)
+
+      expect(helper.note_url(note)).to eq("/nm/test/notes/#{note.id}")
+    end
+
+    it 'return project notes path for other noteables' do
+      namespace = create(:namespace, path: 'nm')
+      @project = create(:empty_project, path: 'test', namespace: namespace)
+      note = create(:note_on_issue, project: @project)
+
+      expect(helper.note_url(note)).to eq("/nm/test/notes/#{note.id}")
+    end
+  end
+
+  describe '#form_resurces' do
+    it 'returns note for personal snippet' do
+      @snippet = create(:personal_snippet)
+      @note = create(:note_on_personal_snippet)
+
+      expect(helper.form_resources).to eq([@note])
+    end
+
+    it 'returns namespace, project and note for project snippet' do
+      namespace = create(:namespace, path: 'nm')
+      @project = create(:empty_project, path: 'test', namespace: namespace)
+      @snippet = create(:project_snippet, project: @project)
+      @note = create(:note_on_personal_snippet)
+
+      expect(helper.form_resources).to eq([@project.namespace, @project, @note])
+    end
+
+    it 'returns namespace, project and note path for other noteables' do
+      namespace = create(:namespace, path: 'nm')
+      @project = create(:empty_project, path: 'test', namespace: namespace)
+      @note = create(:note_on_issue, project: @project)
+
+      expect(helper.form_resources).to eq([@project.namespace, @project, @note])
+    end
+  end
 end

spec/services/notes/build_service_spec.rb

@@ -29,10 +29,82 @@ describe Notes::BuildService, services: true do
           expect(new_note.errors[:base]).to include('Discussion to reply to cannot be found')
         end
       end
+
+      context 'personal snippet note' do
+        def reply(note, user = nil)
+          user ||= create(:user)
+
+          described_class.new(nil,
+                              user,
+                              note: 'Test',
+                              in_reply_to_discussion_id: note.discussion_id).execute
+        end
+
+        let(:snippet_author) { create(:user) }
+
+        context 'when a snippet is public' do
+          it 'creates a reply note' do
+            snippet = create(:personal_snippet, :public)
+            note = create(:discussion_note_on_personal_snippet, noteable: snippet)
+
+            new_note = reply(note)
+
+            expect(new_note).to be_valid
+            expect(new_note.in_reply_to?(note)).to be_truthy
+          end
+        end
+
+        context 'when a snippet is private' do
+          let(:snippet) { create(:personal_snippet, :private, author: snippet_author) }
+          let(:note) { create(:discussion_note_on_personal_snippet, noteable: snippet) }
+
+          it 'creates a reply note when the author replies' do
+            new_note = reply(note, snippet_author)
+
+            expect(new_note).to be_valid
+            expect(new_note.in_reply_to?(note)).to be_truthy
+          end
+
+          it 'sets an error when another user replies' do
+            new_note = reply(note)
+
+            expect(new_note.errors[:base]).to include('Discussion to reply to cannot be found')
+          end
+        end
+
+        context 'when a snippet is internal' do
+          let(:snippet) { create(:personal_snippet, :internal, author: snippet_author) }
+          let(:note) { create(:discussion_note_on_personal_snippet, noteable: snippet) }
+
+          it 'creates a reply note when the author replies' do
+            new_note = reply(note, snippet_author)
+
+            expect(new_note).to be_valid
+            expect(new_note.in_reply_to?(note)).to be_truthy
+          end
+
+          it 'creates a reply note when a regular user replies' do
+            new_note = reply(note)
+
+            expect(new_note).to be_valid
+            expect(new_note.in_reply_to?(note)).to be_truthy
+          end
+
+          it 'sets an error when an external user replies' do
+            new_note = reply(note, create(:user, :external))
+
+            expect(new_note.errors[:base]).to include('Discussion to reply to cannot be found')
+          end
+        end
+      end
     end
 
     it 'builds a note without saving it' do
-      new_note = described_class.new(project, author, noteable_type: note.noteable_type, noteable_id: note.noteable_id, note: 'Test').execute
+      new_note = described_class.new(project,
+                                    author,
+                                    noteable_type: note.noteable_type,
+                                    noteable_id: note.noteable_id,
+                                    note: 'Test').execute
       expect(new_note).to be_valid
       expect(new_note).not_to be_persisted
     end

spec/views/projects/notes/_form.html.haml_spec.rb → spec/views/shared/notes/_form.html.haml_spec.rb

 require 'spec_helper'
 
-describe 'projects/notes/_form' do
+describe 'shared/notes/_form' do
   include Devise::Test::ControllerHelpers
 
   let(:user) { create(:user) }