Merge remote-tracking branch 'origin/master' into artifacts-when

48 files changed, 1200 insertions, 193 deletions

diff --git a/spec/controllers/import/bitbucket_controller_spec.rb b/spec/controllers/import/bitbucket_controller_spec.rb
index 81c03c9059b..07bf8d2d1c3 100644
--- a/spec/controllers/import/bitbucket_controller_spec.rb
+++ b/spec/controllers/import/bitbucket_controller_spec.rb
@@ -1,5 +1,4 @@
 require 'spec_helper'
-require_relative 'import_spec_helper'
 
 describe Import::BitbucketController do
   include ImportSpecHelper
diff --git a/spec/controllers/import/fogbugz_controller_spec.rb b/spec/controllers/import/fogbugz_controller_spec.rb
index 27b11267d2a..5f0f6dea821 100644
--- a/spec/controllers/import/fogbugz_controller_spec.rb
+++ b/spec/controllers/import/fogbugz_controller_spec.rb
@@ -1,5 +1,4 @@
 require 'spec_helper'
-require_relative 'import_spec_helper'
 
 describe Import::FogbugzController do
   include ImportSpecHelper
diff --git a/spec/controllers/import/github_controller_spec.rb b/spec/controllers/import/github_controller_spec.rb
index bcc713dce2a..c55a3c28208 100644
--- a/spec/controllers/import/github_controller_spec.rb
+++ b/spec/controllers/import/github_controller_spec.rb
@@ -1,5 +1,4 @@
 require 'spec_helper'
-require_relative 'import_spec_helper'
 
 describe Import::GithubController do
   include ImportSpecHelper
diff --git a/spec/controllers/import/gitlab_controller_spec.rb b/spec/controllers/import/gitlab_controller_spec.rb
index 198d006af76..e8cf6aa7767 100644
--- a/spec/controllers/import/gitlab_controller_spec.rb
+++ b/spec/controllers/import/gitlab_controller_spec.rb
@@ -1,5 +1,4 @@
 require 'spec_helper'
-require_relative 'import_spec_helper'
 
 describe Import::GitlabController do
   include ImportSpecHelper
diff --git a/spec/controllers/import/gitorious_controller_spec.rb b/spec/controllers/import/gitorious_controller_spec.rb
index 7cb1b85a46d..4ae2b78e11c 100644
--- a/spec/controllers/import/gitorious_controller_spec.rb
+++ b/spec/controllers/import/gitorious_controller_spec.rb
@@ -1,5 +1,4 @@
 require 'spec_helper'
-require_relative 'import_spec_helper'
 
 describe Import::GitoriousController do
   include ImportSpecHelper
diff --git a/spec/controllers/import/google_code_controller_spec.rb b/spec/controllers/import/google_code_controller_spec.rb
index 66088139a69..4241db6e771 100644
--- a/spec/controllers/import/google_code_controller_spec.rb
+++ b/spec/controllers/import/google_code_controller_spec.rb
@@ -1,5 +1,4 @@
 require 'spec_helper'
-require_relative 'import_spec_helper'
 
 describe Import::GoogleCodeController do
   include ImportSpecHelper
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 1301574f489..4b408c03703 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -91,7 +91,7 @@ describe Projects::MergeRequestsController do
             id: merge_request.iid,
             format: :diff)
 
-        expect(response.headers['Gitlab-Workhorse-Send-Data']).to start_with("git-diff:")
+        expect(response.headers[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-diff:")
       end
     end
 
diff --git a/spec/controllers/projects/raw_controller_spec.rb b/spec/controllers/projects/raw_controller_spec.rb
index fb29274c687..33c35161da3 100644
--- a/spec/controllers/projects/raw_controller_spec.rb
+++ b/spec/controllers/projects/raw_controller_spec.rb
@@ -17,6 +17,7 @@ describe Projects::RawController do
         expect(response.header['Content-Type']).to eq('text/plain; charset=utf-8')
         expect(response.header['Content-Disposition']).
             to eq("inline")
+        expect(response.header[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-blob:")
       end
     end
 
@@ -31,6 +32,7 @@ describe Projects::RawController do
 
         expect(response.status).to eq(200)
         expect(response.header['Content-Type']).to eq('image/jpeg')
+        expect(response.header[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-blob:")
       end
     end
 
diff --git a/spec/controllers/projects/repositories_controller_spec.rb b/spec/controllers/projects/repositories_controller_spec.rb
index 0ddbec9eac2..aad62cf20e3 100644
--- a/spec/controllers/projects/repositories_controller_spec.rb
+++ b/spec/controllers/projects/repositories_controller_spec.rb
@@ -20,10 +20,11 @@ describe Projects::RepositoriesController do
         project.team << [user, :developer]
         sign_in(user)
       end
-      it "uses Gitlab::Workhorse" do
-        expect(Gitlab::Workhorse).to receive(:send_git_archive).with(project, "master", "zip")
 
+      it "uses Gitlab::Workhorse" do
         get :archive, namespace_id: project.namespace.path, project_id: project.path, ref: "master", format: "zip"
+
+        expect(response.header[Gitlab::Workhorse::SEND_DATA_HEADER]).to start_with("git-archive:")
       end
 
       context "when the service raises an error" do
diff --git a/spec/factories/wiki_pages.rb b/spec/factories/wiki_pages.rb
index 938ccf2306b..efa6cbe5bb1 100644
--- a/spec/factories/wiki_pages.rb
+++ b/spec/factories/wiki_pages.rb
@@ -2,7 +2,7 @@ require 'ostruct'
 
 FactoryGirl.define do
   factory :wiki_page do
-    page = OpenStruct.new(url_path: 'some-name')
+    page { OpenStruct.new(url_path: 'some-name') }
     association :wiki, factory: :project_wiki, strategy: :build
     initialize_with { new(wiki, page, true) }
   end
diff --git a/spec/features/builds_spec.rb b/spec/features/builds_spec.rb
index df221ab1f3b..b8ecc356b4d 100644
--- a/spec/features/builds_spec.rb
+++ b/spec/features/builds_spec.rb
@@ -93,9 +93,7 @@ describe "Builds" do
       end
 
       it 'has button to download artifacts' do
-        page.within('.artifacts') do
-          expect(page).to have_content 'Download'
-        end
+        expect(page).to have_content 'Download'
       end
     end
 
@@ -107,9 +105,7 @@ describe "Builds" do
       end
 
       it do
-        page.within('.build-controls') do
-          expect(page).to have_link 'Raw'
-        end
+        expect(page).to have_link 'Raw'
       end
     end
   end
@@ -165,15 +161,10 @@ describe "Builds" do
   end
 
   describe "GET /:project/builds/:id/download" do
-    context "Build from project" do
-      before do
-        @build.update_attributes(artifacts_file: artifacts_file)
-        visit namespace_project_build_path(@project.namespace, @project, @build)
-        page.within('.artifacts') { click_link 'Download' }
-      end
-
-      it { expect(page.status_code).to eq(200) }
-      it { expect(page.response_headers['Content-Type']).to eq(artifacts_file.content_type) }
+    before do
+      @build.update_attributes(artifacts_file: artifacts_file)
+      visit namespace_project_build_path(@project.namespace, @project, @build)
+      click_link 'Download'
     end
 
     context "Build from other project" do
@@ -193,7 +184,7 @@ describe "Builds" do
         @build.run!
         @build.trace = 'BUILD TRACE'
         visit namespace_project_build_path(@project.namespace, @project, @build)
-        page.within('.build-controls') { click_link 'Raw' }
+        page.within('.js-build-sidebar') { click_link 'Raw' }
       end
 
       it 'sends the right headers' do
diff --git a/spec/features/dashboard/datetime_on_tooltips_spec.rb b/spec/features/dashboard/datetime_on_tooltips_spec.rb
new file mode 100644
index 00000000000..365cb445df1
--- /dev/null
+++ b/spec/features/dashboard/datetime_on_tooltips_spec.rb
@@ -0,0 +1,46 @@
+require 'spec_helper'
+
+feature 'Tooltips on .timeago dates', feature: true, js: true do
+  include WaitForAjax
+
+  let(:user)            { create(:user) }
+  let(:project)         { create(:project, name: 'test', namespace: user.namespace) }
+  let(:created_date)    { Date.yesterday.to_time }
+  let(:expected_format) { created_date.strftime('%b %-d, %Y %l:%M%P UTC') }
+
+  context 'on the activity tab' do
+    before do
+      project.team << [user, :master]
+
+      Event.create( project: project, author_id: user.id, action: Event::JOINED,
+                    updated_at: created_date, created_at: created_date)
+
+      login_as user
+      visit user_path(user)
+      wait_for_ajax()
+
+      page.find('.js-timeago').hover
+    end
+
+    it 'has the datetime formated correctly' do
+      expect(page).to have_selector('.local-timeago', text: expected_format)
+    end
+  end
+
+  context 'on the snippets tab' do
+    before do
+      project.team << [user, :master]
+      create(:snippet, author: user, updated_at: created_date, created_at: created_date)
+
+      login_as user
+      visit user_snippets_path(user)
+      wait_for_ajax()
+
+      page.find('.js-timeago').hover
+    end
+
+    it 'has the datetime formated correctly' do
+      expect(page).to have_selector('.local-timeago', text: expected_format)
+    end
+  end
+end
diff --git a/spec/features/issues/filter_by_labels_spec.rb b/spec/features/issues/filter_by_labels_spec.rb
index 0ec8b6b180a..16c619c9288 100644
--- a/spec/features/issues/filter_by_labels_spec.rb
+++ b/spec/features/issues/filter_by_labels_spec.rb
@@ -199,4 +199,19 @@ feature 'Issue filtering by Labels', feature: true do
       end
     end
   end
+
+  context 'dropdown filtering', js: true do
+    it 'should filter by label name' do
+      page.within '.labels-filter' do
+        click_button 'Label'
+        wait_for_ajax
+        fill_in 'label-name', with: 'bug'
+
+        page.within '.dropdown-content' do
+          expect(page).not_to have_content 'enhancement'
+          expect(page).to have_content 'bug'
+        end
+      end
+    end
+  end
 end
diff --git a/spec/features/issues/filter_issues_spec.rb b/spec/features/issues/filter_issues_spec.rb
index 7efbaaa048c..1f0594e6b02 100644
--- a/spec/features/issues/filter_issues_spec.rb
+++ b/spec/features/issues/filter_issues_spec.rb
@@ -294,40 +294,4 @@ describe 'Filter issues', feature: true do
       end
     end
   end
-
-  describe 'filter by any author', js: true do
-    before do
-      user2 = create(:user, name: "tester")
-      create(:issue, project: project, author: user)
-      create(:issue, project: project, author: user2)
-
-      visit namespace_project_issues_path(project.namespace, project)
-    end
-
-    it 'should show filter by any author link' do
-      click_button "Author"
-      fill_in "Search authors", with: "tester"
-
-      page.within ".dropdown-menu-author" do
-        expect(page).to have_content "tester"
-      end
-    end
-
-    it 'should show filter issues by any author' do
-      page.within '.issues-list' do
-        expect(page).to have_selector ".issue", count: 2
-      end
-
-      click_button "Author"
-      fill_in "Search authors", with: "tester"
-
-      page.within ".dropdown-menu-author" do
-        click_link "tester"
-      end
-
-      page.within '.issues-list' do
-        expect(page).to have_selector ".issue", count: 1
-      end
-    end
-  end
 end
diff --git a/spec/features/issues_spec.rb b/spec/features/issues_spec.rb
index 460d7f82b36..f6fb6a72d22 100644
--- a/spec/features/issues_spec.rb
+++ b/spec/features/issues_spec.rb
@@ -75,12 +75,13 @@ describe 'Issues', feature: true do
 
         fill_in 'issue_title', with: 'bug 345'
         fill_in 'issue_description', with: 'bug description'
+        find('#issuable-due-date').click
 
-        page.within '.datepicker' do
+        page.within '.ui-datepicker' do
           click_link date.day
         end
 
-        expect(find('#issuable-due-date', visible: false).value).to eq date.to_s
+        expect(find('#issuable-due-date').value).to eq date.to_s
 
         click_button 'Submit issue'
 
@@ -100,18 +101,19 @@ describe 'Issues', feature: true do
       it 'should save with due date' do
         date = Date.today.at_beginning_of_month
 
-        expect(find('#issuable-due-date', visible: false).value).to eq date.to_s
+        expect(find('#issuable-due-date').value).to eq date.to_s
 
         date = date.tomorrow
 
         fill_in 'issue_title', with: 'bug 345'
         fill_in 'issue_description', with: 'bug description'
+        find('#issuable-due-date').click
 
-        page.within '.datepicker' do
+        page.within '.ui-datepicker' do
           click_link date.day
         end
 
-        expect(find('#issuable-due-date', visible: false).value).to eq date.to_s
+        expect(find('#issuable-due-date').value).to eq date.to_s
 
         click_button 'Save changes'
 
diff --git a/spec/features/markdown_spec.rb b/spec/features/markdown_spec.rb
index 7663d193354..09ccc77c101 100644
--- a/spec/features/markdown_spec.rb
+++ b/spec/features/markdown_spec.rb
@@ -165,17 +165,27 @@ describe 'GitLab Markdown', feature: true do
     describe 'ExternalLinkFilter' do
       it 'adds nofollow to external link' do
         link = doc.at_css('a:contains("Google")')
+
         expect(link.attr('rel')).to include('nofollow')
       end
 
       it 'adds noreferrer to external link' do
         link = doc.at_css('a:contains("Google")')
+
         expect(link.attr('rel')).to include('noreferrer')
       end
 
+      it 'adds _blank to target attribute for external links' do
+        link = doc.at_css('a:contains("Google")')
+
+        expect(link.attr('target')).to match('_blank')
+      end
+
       it 'ignores internal link' do
         link = doc.at_css('a:contains("GitLab Root")')
+
         expect(link.attr('rel')).not_to match 'nofollow'
+        expect(link.attr('target')).not_to match '_blank'
       end
     end
   end
@@ -231,13 +241,14 @@ describe 'GitLab Markdown', feature: true do
   context 'wiki pipeline' do
     before do
       @project_wiki = @feat.project_wiki
+      @project_wiki_page = @feat.project_wiki_page
 
       file = Gollum::File.new(@project_wiki.wiki)
       expect(file).to receive(:path).and_return('images/example.jpg')
       expect(@project_wiki).to receive(:find_file).with('images/example.jpg').and_return(file)
       allow(@project_wiki).to receive(:wiki_base_path) { '/namespace1/gitlabhq/wikis' }
 
-      @html = markdown(@feat.raw_markdown, { pipeline: :wiki, project_wiki: @project_wiki })
+      @html = markdown(@feat.raw_markdown, { pipeline: :wiki, project_wiki: @project_wiki, page_slug: @project_wiki_page.slug })
     end
 
     it_behaves_like 'all pipelines'
diff --git a/spec/features/merge_requests/only_allow_merge_if_build_succeeds.rb b/spec/features/merge_requests/only_allow_merge_if_build_succeeds.rb
new file mode 100644
index 00000000000..65e9185ec24
--- /dev/null
+++ b/spec/features/merge_requests/only_allow_merge_if_build_succeeds.rb
@@ -0,0 +1,105 @@
+require 'spec_helper'
+
+feature 'Only allow merge requests to be merged if the build succeeds', feature: true do
+  let(:project)       { create(:project, :public) }
+  let(:merge_request) { create(:merge_request_with_diffs, source_project: project) }
+
+  before do
+    login_as merge_request.author
+
+    project.team << [merge_request.author, :master]
+  end
+
+  context 'project does not have CI enabled' do
+    it 'allows MR to be merged' do
+      visit_merge_request(merge_request)
+
+      expect(page).to have_button 'Accept Merge Request'
+    end
+  end
+
+  context 'when project has CI enabled' do
+    let(:pipeline) { create(:ci_empty_pipeline, project: project, sha: merge_request.last_commit.id, ref: merge_request.source_branch) }
+
+    context 'when merge requests can only be merged if the build succeeds' do
+      before do
+        project.update_attribute(:only_allow_merge_if_build_succeeds, true)
+      end
+
+      context 'when CI is running' do
+        before { pipeline.update_column(:status, :running) }
+
+        it 'does not allow to merge immediately' do
+          visit_merge_request(merge_request)
+
+          expect(page).to have_button 'Merge When Build Succeeds'
+          expect(page).not_to have_button 'Select Merge Moment'
+        end
+      end
+
+      context 'when CI failed' do
+        before { pipeline.update_column(:status, :failed) }
+
+        it 'does not allow MR to be merged' do
+          visit_merge_request(merge_request)
+
+          expect(page).not_to have_button 'Accept Merge Request'
+          expect(page).to have_content('Please retry the build or push a new commit to fix the failure.')
+        end
+      end
+
+      context 'when CI succeeded' do
+        before { pipeline.update_column(:status, :success) }
+
+        it 'allows MR to be merged' do
+          visit_merge_request(merge_request)
+
+          expect(page).to have_button 'Accept Merge Request'
+        end
+      end
+    end
+
+    context 'when merge requests can be merged when the build failed' do
+      before do
+        project.update_attribute(:only_allow_merge_if_build_succeeds, false)
+      end
+
+      context 'when CI is running' do
+        before { pipeline.update_column(:status, :running) }
+
+        it 'allows MR to be merged immediately', js: true do
+          visit_merge_request(merge_request)
+
+          expect(page).to have_button 'Merge When Build Succeeds'
+
+          click_button 'Select Merge Moment'
+          expect(page).to have_content 'Merge Immediately'
+        end
+      end
+
+      context 'when CI failed' do
+        before { pipeline.update_column(:status, :failed) }
+
+        it 'allows MR to be merged' do
+          visit_merge_request(merge_request)
+
+          expect(page).to have_button 'Accept Merge Request'
+        end
+      end
+
+      context 'when CI succeeded' do
+        before { pipeline.update_column(:status, :success) }
+
+        it 'allows MR to be merged' do
+          visit_merge_request(merge_request)
+
+          expect(page).to have_button 'Accept Merge Request'
+        end
+      end
+    end
+  end
+
+  def visit_merge_request(merge_request)
+    visit namespace_project_merge_request_path(merge_request.project.namespace, merge_request.project, merge_request)
+  end
+end
diff --git a/spec/features/profiles/preferences_spec.rb b/spec/features/profiles/preferences_spec.rb
index 8f645438cff..787bf42d048 100644
--- a/spec/features/profiles/preferences_spec.rb
+++ b/spec/features/profiles/preferences_spec.rb
@@ -54,7 +54,7 @@ describe 'Profile > Preferences', feature: true do
     end
   end
 
-  describe 'User changes their default dashboard' do
+  describe 'User changes their default dashboard', js: true do
     it 'creates a flash message' do
       select 'Starred Projects', from: 'user_dashboard'
       click_button 'Save'
@@ -66,8 +66,10 @@ describe 'Profile > Preferences', feature: true do
       select 'Starred Projects', from: 'user_dashboard'
       click_button 'Save'
 
-      click_link 'Dashboard'
-      expect(page.current_path).to eq starred_dashboard_projects_path
+      allowing_for_delay do
+        find('#logo').click
+        expect(page.current_path).to eq starred_dashboard_projects_path
+      end
 
       click_link 'Your Projects'
       expect(page.current_path).to eq dashboard_projects_path
diff --git a/spec/features/projects/commits/cherry_pick_spec.rb b/spec/features/projects/commits/cherry_pick_spec.rb
index 0559b02f321..f88c0616b52 100644
--- a/spec/features/projects/commits/cherry_pick_spec.rb
+++ b/spec/features/projects/commits/cherry_pick_spec.rb
@@ -16,6 +16,7 @@ describe 'Cherry-pick Commits' do
     it do
       visit namespace_project_commit_path(project.namespace, project, master_pickable_commit.id)
       find("a[href='#modal-cherry-pick-commit']").click
+      expect(page).not_to have_content('v1.0.0') # Only branches, not tags
       page.within('#modal-cherry-pick-commit') do
         uncheck 'create_merge_request'
         click_button 'Cherry-pick'
diff --git a/spec/fixtures/markdown.md.erb b/spec/fixtures/markdown.md.erb
index 34ce7c4f033..c75d28d9801 100644
--- a/spec/fixtures/markdown.md.erb
+++ b/spec/fixtures/markdown.md.erb
@@ -136,7 +136,7 @@ But it shouldn't autolink text inside certain tags:
 
 ### ExternalLinkFilter
 
-External links get a `rel="nofollow"` attribute:
+External links get a `rel="nofollow noreferrer"` and `target="_blank"` attributes:
 
 - [Google](https://google.com/)
 - [GitLab Root](<%= Gitlab.config.gitlab.url %>)
diff --git a/spec/helpers/gitlab_markdown_helper_spec.rb b/spec/helpers/gitlab_markdown_helper_spec.rb
index 13de88e2f21..ade5c3b02d9 100644
--- a/spec/helpers/gitlab_markdown_helper_spec.rb
+++ b/spec/helpers/gitlab_markdown_helper_spec.rb
@@ -121,13 +121,14 @@ describe GitlabMarkdownHelper do
     before do
       @wiki = double('WikiPage')
       allow(@wiki).to receive(:content).and_return('wiki content')
+      allow(@wiki).to receive(:slug).and_return('nested/page')
       helper.instance_variable_set(:@project_wiki, @wiki)
     end
 
     it "should use Wiki pipeline for markdown files" do
       allow(@wiki).to receive(:format).and_return(:markdown)
 
-      expect(helper).to receive(:markdown).with('wiki content', pipeline: :wiki, project_wiki: @wiki)
+      expect(helper).to receive(:markdown).with('wiki content', pipeline: :wiki, project_wiki: @wiki, page_slug: "nested/page")
 
       helper.render_wiki_content(@wiki)
     end
diff --git a/spec/javascripts/awards_handler_spec.js.coffee b/spec/javascripts/awards_handler_spec.js.coffee
index 0bd6d696387..ba191199dc7 100644
--- a/spec/javascripts/awards_handler_spec.js.coffee
+++ b/spec/javascripts/awards_handler_spec.js.coffee
@@ -3,10 +3,11 @@
 #= require jquery.cookie
 #= require ./fixtures/emoji_menu
 
-awardsHandler   = null
-window.gl     or= {}
-gl.emojiAliases = -> return { '+1': 'thumbsup', '-1': 'thumbsdown' }
-gl.awardMenuUrl = '/emojis'
+awardsHandler      = null
+window.gl        or= {}
+window.gon       or= {}
+gl.emojiAliases    = -> return { '+1': 'thumbsup', '-1': 'thumbsdown' }
+gon.award_menu_url = '/emojis'
 
 
 lazyAssert = (done, assertFn) ->
@@ -25,9 +26,7 @@ describe 'AwardsHandler', ->
     fixture.load 'awards_handler.html'
     awardsHandler = new AwardsHandler
     spyOn(awardsHandler, 'postEmoji').and.callFake (url, emoji, cb) => cb()
-    spyOn(jQuery, 'get').and.callFake (req, cb) ->
-      expect(req).toBe '/emojis'
-      cb window.emojiMenu
+    spyOn(jQuery, 'get').and.callFake (req, cb) -> cb window.emojiMenu
 
 
   describe '::showEmojiMenu', ->
diff --git a/spec/lib/banzai/filter/wiki_link_filter_spec.rb b/spec/lib/banzai/filter/wiki_link_filter_spec.rb
deleted file mode 100644
index 185abbb2108..00000000000
--- a/spec/lib/banzai/filter/wiki_link_filter_spec.rb
+++ /dev/null
@@ -1,85 +0,0 @@
-require 'spec_helper'
-
-describe Banzai::Filter::WikiLinkFilter, lib: true do
-  include FilterSpecHelper
-
-  let(:namespace) { build_stubbed(:namespace, name: "wiki_link_ns") }
-  let(:project)   { build_stubbed(:empty_project, :public, name: "wiki_link_project", namespace: namespace) }
-  let(:user) { double }
-  let(:project_wiki) { ProjectWiki.new(project, user) }
-
-  describe "links within the wiki (relative)" do
-    describe "hierarchical links to the current directory" do
-      it "doesn't rewrite non-file links" do
-        link = "<a href='./page'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to eq('./page')
-      end
-
-      it "doesn't rewrite file links" do
-        link = "<a href='./page.md'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to eq('./page.md')
-      end
-    end
-
-    describe "hierarchical links to the parent directory" do
-      it "doesn't rewrite non-file links" do
-        link = "<a href='../page'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to eq('../page')
-      end
-
-      it "doesn't rewrite file links" do
-        link = "<a href='../page.md'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to eq('../page.md')
-      end
-    end
-
-    describe "hierarchical links to a sub-directory" do
-      it "doesn't rewrite non-file links" do
-        link = "<a href='./subdirectory/page'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to eq('./subdirectory/page')
-      end
-
-      it "doesn't rewrite file links" do
-        link = "<a href='./subdirectory/page.md'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to eq('./subdirectory/page.md')
-      end
-    end
-
-    describe "non-hierarchical links" do
-      it 'rewrites non-file links to be at the scope of the wiki root' do
-        link = "<a href='page'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to match('/wiki_link_ns/wiki_link_project/wikis/page')
-      end
-
-      it "doesn't rewrite file links" do
-        link = "<a href='page.md'>Link to Page</a>"
-        filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-        expect(filtered_link.attribute('href').value).to eq('page.md')
-      end
-    end
-  end
-
-  describe "links outside the wiki (absolute)" do
-    it "doesn't rewrite links" do
-      link = "<a href='http://example.com/page'>Link to Page</a>"
-      filtered_link = filter(link, project_wiki: project_wiki).children[0]
-
-      expect(filtered_link.attribute('href').value).to eq('http://example.com/page')
-    end
-  end
-end
diff --git a/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb b/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb
index 7aa1b4a3bf6..72bc6a0b704 100644
--- a/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb
+++ b/spec/lib/banzai/pipeline/wiki_pipeline_spec.rb
@@ -50,4 +50,112 @@ describe Banzai::Pipeline::WikiPipeline do
       end
     end
   end
+
+  describe "Links" do
+    let(:namespace) { create(:namespace, name: "wiki_link_ns") }
+    let(:project)   { create(:empty_project, :public, name: "wiki_link_project", namespace: namespace) }
+    let(:project_wiki) { ProjectWiki.new(project, double(:user)) }
+    let(:page) { build(:wiki_page, wiki: project_wiki, page: OpenStruct.new(url_path: 'nested/twice/start-page')) }
+
+    { "when GitLab is hosted at a root URL" => '/',
+      "when GitLab is hosted at a relative URL" => '/nested/relative/gitlab' }.each do |test_name, relative_url_root|
+
+      context test_name do
+        before do
+          allow(Gitlab.config.gitlab).to receive(:relative_url_root).and_return(relative_url_root)
+        end
+
+        describe "linking to pages within the wiki" do
+          context "when creating hierarchical links to the current directory" do
+            it "rewrites non-file links to be at the scope of the current directory" do
+              markdown = "[Page](./page)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/page\"")
+            end
+
+            it "rewrites file links to be at the scope of the current directory" do
+              markdown = "[Link to Page](./page.md)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/page.md\"")
+            end
+          end
+
+          context "when creating hierarchical links to the parent directory" do
+            it "rewrites non-file links to be at the scope of the parent directory" do
+              markdown = "[Link to Page](../page)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/page\"")
+            end
+
+            it "rewrites file links to be at the scope of the parent directory" do
+              markdown = "[Link to Page](../page.md)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/page.md\"")
+            end
+          end
+
+          context "when creating hierarchical links to a sub-directory" do
+            it "rewrites non-file links to be at the scope of the sub-directory" do
+              markdown = "[Link to Page](./subdirectory/page)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/subdirectory/page\"")
+            end
+
+            it "rewrites file links to be at the scope of the sub-directory" do
+              markdown = "[Link to Page](./subdirectory/page.md)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/subdirectory/page.md\"")
+            end
+          end
+
+          describe "when creating non-hierarchical links" do
+            it 'rewrites non-file links to be at the scope of the wiki root' do
+              markdown = "[Link to Page](page)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/page\"")
+            end
+
+            it "rewrites file links to be at the scope of the current directory" do
+              markdown = "[Link to Page](page.md)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/nested/twice/page.md\"")
+            end
+          end
+
+          describe "when creating root links" do
+            it 'rewrites non-file links to be at the scope of the wiki root' do
+              markdown = "[Link to Page](/page)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/page\"")
+            end
+
+            it 'rewrites file links to be at the scope of the wiki root' do
+              markdown = "[Link to Page](/page.md)"
+              output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+              expect(output).to include("href=\"#{relative_url_root}/wiki_link_ns/wiki_link_project/wikis/page.md\"")
+            end
+          end
+        end
+
+        describe "linking to pages outside the wiki (absolute)" do
+          it "doesn't rewrite links" do
+            markdown = "[Link to Page](http://example.com/page)"
+            output = described_class.to_html(markdown, project: project, project_wiki: project_wiki, page_slug: page.slug)
+
+            expect(output).to include('href="http://example.com/page"')
+          end
+        end
+      end
+    end
+  end
 end
diff --git a/spec/lib/disable_email_interceptor_spec.rb b/spec/lib/disable_email_interceptor_spec.rb
index c2a7b20b84d..309a88151cf 100644
--- a/spec/lib/disable_email_interceptor_spec.rb
+++ b/spec/lib/disable_email_interceptor_spec.rb
@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe DisableEmailInterceptor, lib: true do
   before do
-    ActionMailer::Base.register_interceptor(DisableEmailInterceptor)
+    Mail.register_interceptor(DisableEmailInterceptor)
   end
 
   it 'should not send emails' do
@@ -14,7 +14,7 @@ describe DisableEmailInterceptor, lib: true do
     # Removing interceptor from the list because unregister_interceptor is
     # implemented in later version of mail gem
     # See: https://github.com/mikel/mail/pull/705
-    Mail.class_variable_set(:@@delivery_interceptors, [])
+    Mail.unregister_interceptor(DisableEmailInterceptor)
   end
 
   def deliver_mail
diff --git a/spec/lib/gitlab/bitbucket_import/client_spec.rb b/spec/lib/gitlab/bitbucket_import/client_spec.rb
index 7718689e6d4..760d66a1488 100644
--- a/spec/lib/gitlab/bitbucket_import/client_spec.rb
+++ b/spec/lib/gitlab/bitbucket_import/client_spec.rb
@@ -1,12 +1,14 @@
 require 'spec_helper'
 
 describe Gitlab::BitbucketImport::Client, lib: true do
+  include ImportSpecHelper
+
   let(:token) { '123456' }
   let(:secret) { 'secret' }
   let(:client) { Gitlab::BitbucketImport::Client.new(token, secret) }
 
   before do
-    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "bitbucket")
+    stub_omniauth_provider('bitbucket')
   end
 
   it 'all OAuth client options are symbols' do
diff --git a/spec/lib/gitlab/bitbucket_import/importer_spec.rb b/spec/lib/gitlab/bitbucket_import/importer_spec.rb
index 1a833f255a5..aa00f32becb 100644
--- a/spec/lib/gitlab/bitbucket_import/importer_spec.rb
+++ b/spec/lib/gitlab/bitbucket_import/importer_spec.rb
@@ -1,8 +1,10 @@
 require 'spec_helper'
 
 describe Gitlab::BitbucketImport::Importer, lib: true do
+  include ImportSpecHelper
+
   before do
-    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "bitbucket")
+    stub_omniauth_provider('bitbucket')
   end
 
   let(:statuses) do
diff --git a/spec/lib/gitlab/database/migration_helpers_spec.rb b/spec/lib/gitlab/database/migration_helpers_spec.rb
index 83ddabe6b0b..1ec539066a7 100644
--- a/spec/lib/gitlab/database/migration_helpers_spec.rb
+++ b/spec/lib/gitlab/database/migration_helpers_spec.rb
@@ -120,6 +120,19 @@ describe Gitlab::Database::MigrationHelpers, lib: true do
           model.add_column_with_default(:projects, :foo, :integer, default: 10)
         end.to raise_error(RuntimeError)
       end
+
+      it 'removes the added column whenever changing a column NULL constraint fails' do
+        expect(model).to receive(:change_column_null).
+          with(:projects, :foo, false).
+          and_raise(RuntimeError)
+
+        expect(model).to receive(:remove_column).
+          with(:projects, :foo)
+
+        expect do
+          model.add_column_with_default(:projects, :foo, :integer, default: 10)
+        end.to raise_error(RuntimeError)
+      end
     end
 
     context 'inside a transaction' do
diff --git a/spec/lib/gitlab/gitlab_import/client_spec.rb b/spec/lib/gitlab/gitlab_import/client_spec.rb
index e6831e7c383..cd8e805466a 100644
--- a/spec/lib/gitlab/gitlab_import/client_spec.rb
+++ b/spec/lib/gitlab/gitlab_import/client_spec.rb
@@ -1,11 +1,13 @@
 require 'spec_helper'
 
 describe Gitlab::GitlabImport::Client, lib: true do
+  include ImportSpecHelper
+
   let(:token) { '123456' }
   let(:client) { Gitlab::GitlabImport::Client.new(token) }
 
   before do
-    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "gitlab")
+    stub_omniauth_provider('gitlab')
   end
 
   it 'all OAuth2 client options are symbols' do
diff --git a/spec/lib/gitlab/saml/user_spec.rb b/spec/lib/gitlab/saml/user_spec.rb
index c2a51d9249c..84c21ceefd9 100644
--- a/spec/lib/gitlab/saml/user_spec.rb
+++ b/spec/lib/gitlab/saml/user_spec.rb
@@ -145,6 +145,7 @@ describe Gitlab::Saml::User, lib: true do
               allow(ldap_user).to receive(:email) { %w(john@mail.com john2@example.com) }
               allow(ldap_user).to receive(:dn) { 'uid=user1,ou=People,dc=example' }
               allow(Gitlab::LDAP::Person).to receive(:find_by_uid).and_return(ldap_user)
+              allow(Gitlab::LDAP::Person).to receive(:find_by_dn).and_return(ldap_user)
             end
 
             context 'and no account for the LDAP user' do
@@ -177,6 +178,23 @@ describe Gitlab::Saml::User, lib: true do
                                                           ])
               end
             end
+
+            context 'user has SAML user, and wants to add their LDAP identity' do
+              it 'adds the LDAP identity to the existing SAML user' do
+                create(:omniauth_user, email: 'john@mail.com', extern_uid: 'uid=user1,ou=People,dc=example', provider: 'saml', username: 'john')
+                local_hash = OmniAuth::AuthHash.new(uid: 'uid=user1,ou=People,dc=example', provider: provider, info: info_hash)
+                local_saml_user = described_class.new(local_hash)
+                local_saml_user.save
+                local_gl_user = local_saml_user.gl_user
+
+                expect(local_gl_user).to be_valid
+                expect(local_gl_user.identities.length).to eql 2
+                identities_as_hash = local_gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
+                expect(identities_as_hash).to match_array([ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
+                                                            { provider: 'saml', extern_uid: 'uid=user1,ou=People,dc=example' }
+                                                          ])
+              end
+            end
           end
         end
       end
diff --git a/spec/lib/gitlab/sanitizers/svg_spec.rb b/spec/lib/gitlab/sanitizers/svg_spec.rb
new file mode 100644
index 00000000000..030c2063ab2
--- /dev/null
+++ b/spec/lib/gitlab/sanitizers/svg_spec.rb
@@ -0,0 +1,94 @@
+require 'spec_helper'
+
+describe Gitlab::Sanitizers::SVG do
+  let(:scrubber) { Gitlab::Sanitizers::SVG::Scrubber.new }
+  let(:namespace) { double(Nokogiri::XML::Namespace, prefix: 'xlink', href: 'http://www.w3.org/1999/xlink') }
+  let(:namespaced_attr) { double(Nokogiri::XML::Attr, name: 'href', namespace: namespace, value: '#awesome_id') }
+
+  describe '.clean' do
+    let(:input_svg_path) { File.join(Rails.root, 'spec', 'fixtures', 'unsanitized.svg') }
+    let(:data) { open(input_svg_path).read }
+    let(:sanitized_svg_path) { File.join(Rails.root, 'spec', 'fixtures', 'sanitized.svg') }
+    let(:sanitized) { open(sanitized_svg_path).read }
+
+    it 'delegates sanitization to scrubber' do
+      expect_any_instance_of(Gitlab::Sanitizers::SVG::Scrubber).to receive(:scrub).at_least(:once)
+      described_class.clean(data)
+    end
+
+    it 'returns sanitized data' do
+      expect(described_class.clean(data)).to eq(sanitized)
+    end
+  end
+
+  context 'scrubber' do
+    describe '#scrub' do
+      let(:invalid_element) { double(Nokogiri::XML::Node, name: 'invalid', value: 'invalid') }
+      let(:invalid_attribute) { double(Nokogiri::XML::Attr, name: 'invalid', namespace: nil) }
+      let(:valid_element) { double(Nokogiri::XML::Node, name: 'use') }
+
+      it 'removes an invalid element' do
+        expect(invalid_element).to receive(:unlink)
+
+        scrubber.scrub(invalid_element)
+      end
+
+      it 'removes an invalid attribute' do
+        allow(valid_element).to receive(:attribute_nodes) { [invalid_attribute] }
+        expect(invalid_attribute).to receive(:unlink)
+
+        scrubber.scrub(valid_element)
+      end
+
+      it 'accepts valid element' do
+        allow(valid_element).to receive(:attribute_nodes) { [namespaced_attr] }
+        expect(valid_element).not_to receive(:unlink)
+
+        scrubber.scrub(valid_element)
+      end
+
+      it 'accepts valid namespaced attributes' do
+        allow(valid_element).to receive(:attribute_nodes) { [namespaced_attr] }
+        expect(namespaced_attr).not_to receive(:unlink)
+
+        scrubber.scrub(valid_element)
+      end
+    end
+
+    describe '#attribute_name_with_namespace' do
+      it 'returns name with prefix when attribute is namespaced' do
+        expect(scrubber.attribute_name_with_namespace(namespaced_attr)).to eq('xlink:href')
+      end
+    end
+
+    describe '#unsafe_href?' do
+      let(:unsafe_attr) { double(Nokogiri::XML::Attr, name: 'href', namespace: namespace, value: 'http://evilsite.example.com/random.svg') }
+
+      it 'returns true if href attribute is an external url' do
+        expect(scrubber.unsafe_href?(unsafe_attr)).to be_truthy
+      end
+
+      it 'returns false if href atttribute is an internal reference' do
+        expect(scrubber.unsafe_href?(namespaced_attr)).to be_falsey
+      end
+    end
+
+    describe '#data_attribute?' do
+      let(:data_attr) { double(Nokogiri::XML::Attr, name: 'data-gitlab', namespace: nil, value: 'gitlab is awesome') }
+      let(:namespaced_attr) { double(Nokogiri::XML::Attr, name: 'data-gitlab', namespace: namespace, value: 'gitlab is awesome') }
+      let(:other_attr) { double(Nokogiri::XML::Attr, name: 'something', namespace: nil, value: 'content') }
+
+      it 'returns true if is a valid data attribute' do
+        expect(scrubber.data_attribute?(data_attr)).to be_truthy
+      end
+
+      it 'returns false if attribute is namespaced' do
+        expect(scrubber.data_attribute?(namespaced_attr)).to be_falsey
+      end
+
+      it 'returns false if not a data attribute' do
+        expect(scrubber.data_attribute?(other_attr)).to be_falsey
+      end
+    end
+  end
+end
diff --git a/spec/lib/gitlab/workhorse_spec.rb b/spec/lib/gitlab/workhorse_spec.rb
index d940bf05061..c5c1402e8fc 100644
--- a/spec/lib/gitlab/workhorse_spec.rb
+++ b/spec/lib/gitlab/workhorse_spec.rb
@@ -11,7 +11,7 @@ describe Gitlab::Workhorse, lib: true do
       end
 
       it "raises an error" do
-        expect { subject.send_git_archive(project, "master", "zip") }.to raise_error(RuntimeError)
+        expect { subject.send_git_archive(project.repository, ref: "master", format: "zip") }.to raise_error(RuntimeError)
       end
     end
   end
diff --git a/spec/models/build_spec.rb b/spec/models/build_spec.rb
index 7660ea2659c..2beb6cc598d 100644
--- a/spec/models/build_spec.rb
+++ b/spec/models/build_spec.rb
@@ -219,7 +219,7 @@ describe Ci::Build, models: true do
 
         context 'and trigger variables' do
           let(:trigger) { create(:ci_trigger, project: project) }
-          let(:trigger_request) { create(:ci_trigger_request_with_variables, commit: pipeline, trigger: trigger) }
+          let(:trigger_request) { create(:ci_trigger_request_with_variables, pipeline: pipeline, trigger: trigger) }
           let(:trigger_variables) do
             [
               { key: :TRIGGER_KEY, value: 'TRIGGER_VALUE', public: false }
diff --git a/spec/models/concerns/issuable_spec.rb b/spec/models/concerns/issuable_spec.rb
index dd03d64f750..efbcbf72f76 100644
--- a/spec/models/concerns/issuable_spec.rb
+++ b/spec/models/concerns/issuable_spec.rb
@@ -10,6 +10,16 @@ describe Issue, "Issuable" do
     it { is_expected.to belong_to(:assignee) }
     it { is_expected.to have_many(:notes).dependent(:destroy) }
     it { is_expected.to have_many(:todos).dependent(:destroy) }
+
+    context 'Notes' do
+      let!(:note) { create(:note, noteable: issue, project: issue.project) }
+      let(:scoped_issue) { Issue.includes(notes: :author).find(issue.id) }
+
+      it 'indicates if the notes have their authors loaded' do
+        expect(issue.notes).not_to be_authors_loaded
+        expect(scoped_issue.notes).to be_authors_loaded
+      end
+    end
   end
 
   describe 'Included modules' do
@@ -245,6 +255,22 @@ describe Issue, "Issuable" do
     end
   end
 
+  describe '#user_notes_count' do
+    let(:project) { create(:project) }
+    let(:issue1) { create(:issue, project: project) }
+    let(:issue2) { create(:issue, project: project) }
+
+    before do
+      create_list(:note, 3, noteable: issue1, project: project)
+      create_list(:note, 6, noteable: issue2, project: project)
+    end
+
+    it 'counts the user notes' do
+      expect(issue1.user_notes_count).to be(3)
+      expect(issue2.user_notes_count).to be(6)
+    end
+  end
+
   describe "votes" do
     let(:project) { issue.project }
 
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index 1b7cbc3efda..3b199f4d98d 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -455,4 +455,157 @@ describe MergeRequest, models: true do
       expect(user2.assigned_open_merge_request_count).to eq(1)
     end
   end
+
+  describe '#check_if_can_be_merged' do
+    let(:project) { create(:project, only_allow_merge_if_build_succeeds: true) }
+
+    subject { create(:merge_request, source_project: project, merge_status: :unchecked) }
+
+    context 'when it is not broken and has no conflicts' do
+      it 'is marked as mergeable' do
+        allow(subject).to receive(:broken?) { false }
+        allow(project).to receive_message_chain(:repository, :can_be_merged?) { true }
+
+        expect { subject.check_if_can_be_merged }.to change { subject.merge_status }.to('can_be_merged')
+      end
+    end
+
+    context 'when broken' do
+      before { allow(subject).to receive(:broken?) { true } }
+
+      it 'becomes unmergeable' do
+        expect { subject.check_if_can_be_merged }.to change { subject.merge_status }.to('cannot_be_merged')
+      end
+    end
+
+    context 'when it has conflicts' do
+      before do
+        allow(subject).to receive(:broken?) { false }
+        allow(project).to receive_message_chain(:repository, :can_be_merged?) { false }
+      end
+
+      it 'becomes unmergeable' do
+        expect { subject.check_if_can_be_merged }.to change { subject.merge_status }.to('cannot_be_merged')
+      end
+    end
+  end
+
+  describe '#mergeable?' do
+    let(:project) { create(:project) }
+
+    subject { create(:merge_request, source_project: project) }
+
+    it 'returns false if #mergeable_state? is false' do
+      expect(subject).to receive(:mergeable_state?) { false }
+
+      expect(subject.mergeable?).to be_falsey
+    end
+
+    it 'return true if #mergeable_state? is true and the MR #can_be_merged? is true' do
+      allow(subject).to receive(:mergeable_state?) { true }
+      expect(subject).to receive(:check_if_can_be_merged)
+      expect(subject).to receive(:can_be_merged?) { true }
+
+      expect(subject.mergeable?).to be_truthy
+    end
+  end
+
+  describe '#mergeable_state?' do
+    let(:project) { create(:project) }
+
+    subject { create(:merge_request, source_project: project) }
+
+    it 'checks if merge request can be merged' do
+      allow(subject).to receive(:mergeable_ci_state?) { true }
+      expect(subject).to receive(:check_if_can_be_merged)
+
+      subject.mergeable?
+    end
+
+    context 'when not open' do
+      before { subject.close }
+
+      it 'returns false' do
+        expect(subject.mergeable_state?).to be_falsey
+      end
+    end
+
+    context 'when working in progress' do
+      before { subject.title = 'WIP MR' }
+
+      it 'returns false' do
+        expect(subject.mergeable_state?).to be_falsey
+      end
+    end
+
+    context 'when broken' do
+      before { allow(subject).to receive(:broken?) { true } }
+
+      it 'returns false' do
+        expect(subject.mergeable_state?).to be_falsey
+      end
+    end
+
+    context 'when failed' do
+      before { allow(subject).to receive(:broken?) { false } }
+
+      context 'when project settings restrict to merge only if build succeeds and build failed' do
+        before do
+          project.only_allow_merge_if_build_succeeds = true
+          allow(subject).to receive(:mergeable_ci_state?) { false }
+        end
+
+        it 'returns false' do
+          expect(subject.mergeable_state?).to be_falsey
+        end
+      end
+    end
+  end
+
+  describe '#mergeable_ci_state?' do
+    let(:project) { create(:empty_project, only_allow_merge_if_build_succeeds: true) }
+    let(:pipeline) { create(:ci_empty_pipeline) }
+
+    subject { build(:merge_request, target_project: project) }
+
+    context 'when it is only allowed to merge when build is green' do
+      context 'and a failed pipeline is associated' do
+        before do
+          pipeline.statuses << create(:commit_status, status: 'failed', project: project)
+          allow(subject).to receive(:pipeline) { pipeline }
+        end
+
+        it { expect(subject.mergeable_ci_state?).to be_falsey }
+      end
+
+      context 'when no pipeline is associated' do
+        before do
+          allow(subject).to receive(:pipeline) { nil }
+        end
+
+        it { expect(subject.mergeable_ci_state?).to be_truthy }
+      end
+    end
+
+    context 'when merges are not restricted to green builds' do
+      subject { build(:merge_request, target_project: build(:empty_project, only_allow_merge_if_build_succeeds: false)) }
+
+      context 'and a failed pipeline is associated' do
+        before do
+          pipeline.statuses << create(:commit_status, status: 'failed', project: project)
+          allow(subject).to receive(:pipeline) { pipeline }
+        end
+
+        it { expect(subject.mergeable_ci_state?).to be_truthy }
+      end
+
+      context 'when no pipeline is associated' do
+        before do
+          allow(subject).to receive(:pipeline) { nil }
+        end
+
+        it { expect(subject.mergeable_ci_state?).to be_truthy }
+      end
+    end
+  end
 end
diff --git a/spec/models/notification_setting_spec.rb b/spec/models/notification_setting_spec.rb
index 295081e9da1..4e24e89b008 100644
--- a/spec/models/notification_setting_spec.rb
+++ b/spec/models/notification_setting_spec.rb
@@ -10,7 +10,6 @@ RSpec.describe NotificationSetting, type: :model do
     subject { NotificationSetting.new(source_id: 1, source_type: 'Project') }
 
     it { is_expected.to validate_presence_of(:user) }
-    it { is_expected.to validate_presence_of(:source) }
     it { is_expected.to validate_presence_of(:level) }
     it { is_expected.to validate_uniqueness_of(:user_id).scoped_to([:source_id, :source_type]).with_message(/already exists in source/) }
   end
diff --git a/spec/models/project_services/bamboo_service_spec.rb b/spec/models/project_services/bamboo_service_spec.rb
index e771f35811e..ec81f05fc7a 100644
--- a/spec/models/project_services/bamboo_service_spec.rb
+++ b/spec/models/project_services/bamboo_service_spec.rb
@@ -194,7 +194,7 @@ describe BambooService, models: true do
 
   def service(bamboo_url: 'http://gitlab.com')
     described_class.create(
-      project: build_stubbed(:empty_project),
+      project: create(:empty_project),
       properties: {
         bamboo_url: bamboo_url,
         username: 'mic',
diff --git a/spec/models/project_services/teamcity_service_spec.rb b/spec/models/project_services/teamcity_service_spec.rb
index ad24b895170..24a708ca849 100644
--- a/spec/models/project_services/teamcity_service_spec.rb
+++ b/spec/models/project_services/teamcity_service_spec.rb
@@ -182,7 +182,7 @@ describe TeamcityService, models: true do
 
   def service(teamcity_url: 'http://gitlab.com')
     described_class.create(
-      project: build_stubbed(:empty_project),
+      project: create(:empty_project),
       properties: {
         teamcity_url: teamcity_url,
         username: 'mic',
diff --git a/spec/models/project_spec.rb b/spec/models/project_spec.rb
index 553556ed326..f3590f72cfe 100644
--- a/spec/models/project_spec.rb
+++ b/spec/models/project_spec.rb
@@ -258,6 +258,69 @@ describe Project, models: true do
     end
   end
 
+  describe :external_issue_tracker do
+    let(:project) { create(:project) }
+    let(:ext_project) { create(:redmine_project) }
+
+    context 'on existing projects with no value for has_external_issue_tracker' do
+      before(:each) do
+        project.update_column(:has_external_issue_tracker, nil)
+        ext_project.update_column(:has_external_issue_tracker, nil)
+      end
+
+      it 'updates the has_external_issue_tracker boolean' do
+        expect do
+          project.external_issue_tracker
+        end.to change { project.reload.has_external_issue_tracker }.to(false)
+
+        expect do
+          ext_project.external_issue_tracker
+        end.to change { ext_project.reload.has_external_issue_tracker }.to(true)
+      end
+    end
+
+    it 'returns nil and does not query services when there is no external issue tracker' do
+      project.build_missing_services
+      project.reload
+
+      expect(project).not_to receive(:services)
+
+      expect(project.external_issue_tracker).to eq(nil)
+    end
+
+    it 'retrieves external_issue_tracker querying services and cache it when there is external issue tracker' do
+      ext_project.reload # Factory returns a project with changed attributes
+      ext_project.build_missing_services
+      ext_project.reload
+
+      expect(ext_project).to receive(:services).once.and_call_original
+
+      2.times { expect(ext_project.external_issue_tracker).to be_a_kind_of(RedmineService) }
+    end
+  end
+
+  describe :cache_has_external_issue_tracker do
+    let(:project) { create(:project) }
+
+    it 'stores true if there is any external_issue_tracker' do
+      services = double(:service, external_issue_trackers: [RedmineService.new])
+      expect(project).to receive(:services).and_return(services)
+
+      expect do
+        project.cache_has_external_issue_tracker
+      end.to change { project.has_external_issue_tracker}.to(true)
+    end
+
+    it 'stores false if there is no external_issue_tracker' do
+      services = double(:service, external_issue_trackers: [])
+      expect(project).to receive(:services).and_return(services)
+
+      expect do
+        project.cache_has_external_issue_tracker
+      end.to change { project.has_external_issue_tracker}.to(false)
+    end
+  end
+
   describe :can_have_issues_tracker_id? do
     let(:project) { create(:project) }
     let(:ext_project) { create(:redmine_project) }
@@ -859,4 +922,37 @@ describe Project, models: true do
       it { is_expected.to be_falsey }
     end
   end
+
+  describe '.where_paths_in' do
+    context 'without any paths' do
+      it 'returns an empty relation' do
+        expect(Project.where_paths_in([])).to eq([])
+      end
+    end
+
+    context 'without any valid paths' do
+      it 'returns an empty relation' do
+        expect(Project.where_paths_in(%w[foo])).to eq([])
+      end
+    end
+
+    context 'with valid paths' do
+      let!(:project1) { create(:project) }
+      let!(:project2) { create(:project) }
+
+      it 'returns the projects matching the paths' do
+        projects = Project.where_paths_in([project1.path_with_namespace,
+                                           project2.path_with_namespace])
+
+        expect(projects).to contain_exactly(project1, project2)
+      end
+
+      it 'returns projects regardless of the casing of paths' do
+        projects = Project.where_paths_in([project1.path_with_namespace.upcase,
+                                           project2.path_with_namespace.upcase])
+
+        expect(projects).to contain_exactly(project1, project2)
+      end
+    end
+  end
 end
diff --git a/spec/models/service_spec.rb b/spec/models/service_spec.rb
index 8592e112c50..2f000dbc01a 100644
--- a/spec/models/service_spec.rb
+++ b/spec/models/service_spec.rb
@@ -204,4 +204,37 @@ describe Service, models: true do
       expect(service.bamboo_url_was).to be_nil
     end
   end
+
+  describe "callbacks" do
+    let(:project) { create(:project) }
+    let!(:service) do
+      RedmineService.new(
+        project: project,
+        active: true,
+        properties: {
+          project_url: 'http://redmine/projects/project_name_in_redmine',
+          issues_url: "http://redmine/#{project.id}/project_name_in_redmine/:id",
+          new_issue_url: 'http://redmine/projects/project_name_in_redmine/issues/new'
+        }
+      )
+    end
+
+    describe "on create" do
+      it "updates the has_external_issue_tracker boolean" do
+        expect do
+          service.save!
+        end.to change { service.project.has_external_issue_tracker }.from(nil).to(true)
+      end
+    end
+
+    describe "on update" do
+      it "updates the has_external_issue_tracker boolean" do
+        service.save!
+
+        expect do
+          service.update_attributes(active: false)
+        end.to change { service.project.has_external_issue_tracker }.from(true).to(false)
+      end
+    end
+  end
 end
diff --git a/spec/requests/api/merge_requests_spec.rb b/spec/requests/api/merge_requests_spec.rb
index 9da69a913a8..5896b93603f 100644
--- a/spec/requests/api/merge_requests_spec.rb
+++ b/spec/requests/api/merge_requests_spec.rb
@@ -419,6 +419,15 @@ describe API::API, api: true  do
       expect(json_response['message']).to eq('405 Method Not Allowed')
     end
 
+    it 'returns 405 if the build failed for a merge request that requires success' do
+      allow_any_instance_of(MergeRequest).to receive(:mergeable_ci_state?).and_return(false)
+
+      put api("/projects/#{project.id}/merge_requests/#{merge_request.id}/merge", user)
+
+      expect(response.status).to eq(405)
+      expect(json_response['message']).to eq('405 Method Not Allowed')
+    end
+
     it "should return 401 if user has no permissions to merge" do
       user2 = create(:user)
       project.team << [user2, :reporter]
@@ -554,6 +563,21 @@ describe API::API, api: true  do
       expect(json_response).to be_an Array
       expect(json_response.length).to eq(0)
     end
+
+    it 'handles external issues' do
+      jira_project = create(:jira_project, :public, name: 'JIR_EXT1')
+      issue = ExternalIssue.new("#{jira_project.name}-123", jira_project)
+      merge_request = create(:merge_request, :simple, author: user, assignee: user, source_project: jira_project)
+      merge_request.update_attribute(:description, "Closes #{issue.to_reference(jira_project)}")
+
+      get api("/projects/#{jira_project.id}/merge_requests/#{merge_request.id}/closes_issues", user)
+
+      expect(response.status).to eq(200)
+      expect(json_response).to be_an Array
+      expect(json_response.length).to eq(1)
+      expect(json_response.first['title']).to eq(issue.title)
+      expect(json_response.first['id']).to eq(issue.id)
+    end
   end
 
   describe 'POST :id/merge_requests/:merge_request_id/subscription' do
diff --git a/spec/requests/ci/api/builds_spec.rb b/spec/requests/ci/api/builds_spec.rb
index 88271642532..e8508f8f950 100644
--- a/spec/requests/ci/api/builds_spec.rb
+++ b/spec/requests/ci/api/builds_spec.rb
@@ -85,7 +85,7 @@ describe Ci::API::API do
         trigger = FactoryGirl.create(:ci_trigger, project: project)
         pipeline = FactoryGirl.create(:ci_pipeline, project: project, ref: 'master')
 
-        trigger_request = FactoryGirl.create(:ci_trigger_request_with_variables, commit: pipeline, trigger: trigger)
+        trigger_request = FactoryGirl.create(:ci_trigger_request_with_variables, pipeline: pipeline, trigger: trigger)
         pipeline.create_builds(nil, trigger_request)
         project.variables << Ci::Variable.new(key: "SECRET_KEY", value: "secret_value")
 
diff --git a/spec/requests/git_http_spec.rb b/spec/requests/git_http_spec.rb
index 594a60a4340..c44a4a7a1fc 100644
--- a/spec/requests/git_http_spec.rb
+++ b/spec/requests/git_http_spec.rb
@@ -2,7 +2,7 @@ require "spec_helper"
 
 describe 'Git HTTP requests', lib: true do
   let(:user)    { create(:user) }
-  let(:project) { create(:project) }
+  let(:project) { create(:project, path: 'project.git-project') }
 
   it "gives WWW-Authenticate hints" do
     clone_get('doesnt/exist.git')
@@ -268,6 +268,87 @@ describe 'Git HTTP requests', lib: true do
     end
   end
 
+  context "when the project path doesn't end in .git" do
+    context "GET info/refs" do
+      let(:path) { "/#{project.path_with_namespace}/info/refs" }
+
+      context "when no params are added" do
+        before { get path }
+
+        it "redirects to the .git suffix version" do
+          expect(response).to redirect_to("/#{project.path_with_namespace}.git/info/refs")
+        end
+      end
+
+      context "when the upload-pack service is requested" do
+        let(:params) { { service: 'git-upload-pack' } }
+        before { get path, params }
+
+        it "redirects to the .git suffix version" do
+          expect(response).to redirect_to("/#{project.path_with_namespace}.git/info/refs?service=#{params[:service]}")
+        end
+      end
+
+      context "when the receive-pack service is requested" do
+        let(:params) { { service: 'git-receive-pack' } }
+        before { get path, params }
+
+        it "redirects to the .git suffix version" do
+          expect(response).to redirect_to("/#{project.path_with_namespace}.git/info/refs?service=#{params[:service]}")
+        end
+      end
+
+      context "when the params are anything else" do
+        let(:params) { { service: 'git-implode-pack' } }
+        before { get path, params }
+
+        it "redirects to the sign-in page" do
+          expect(response).to redirect_to(new_user_session_path)
+        end
+      end
+    end
+
+    context "POST git-upload-pack" do
+      it "fails to find a route" do
+        expect { clone_post(project.path_with_namespace) }.to raise_error(ActionController::RoutingError)
+      end
+    end
+
+    context "POST git-receive-pack" do
+      it "failes to find a route" do
+        expect { push_post(project.path_with_namespace) }.to raise_error(ActionController::RoutingError)
+      end
+    end
+  end
+
+  context "retrieving an info/refs file" do
+    before { project.update_attribute(:visibility_level, Project::PUBLIC) }
+
+    context "when the file exists" do
+      before do
+        # Provide a dummy file in its place
+        allow_any_instance_of(Repository).to receive(:blob_at).and_call_original
+        allow_any_instance_of(Repository).to receive(:blob_at).with('5937ac0a7beb003549fc5fd26fc247adbce4a52e', 'info/refs') do
+          Gitlab::Git::Blob.find(project.repository, 'master', '.gitignore')
+        end
+
+        get "/#{project.path_with_namespace}/blob/master/info/refs"
+      end
+
+      it "returns the file" do
+        expect(response.status).to eq(200)
+      end
+    end
+
+    context "when the file exists" do
+      before { get "/#{project.path_with_namespace}/blob/master/info/refs" }
+
+      it "returns not found" do
+        expect(response.status).to eq(404)
+      end
+    end
+  end
+
   def clone_get(project, options={})
     get "/#{project}/info/refs", { service: 'git-upload-pack' }, auth_env(*options.values_at(:user, :password))
   end
diff --git a/spec/services/notification_service_spec.rb b/spec/services/notification_service_spec.rb
index cef5e0d8659..b99e02ba678 100644
--- a/spec/services/notification_service_spec.rb
+++ b/spec/services/notification_service_spec.rb
@@ -72,6 +72,7 @@ describe NotificationService, services: true do
           should_not_email(@u_disabled)
           should_not_email(@unsubscriber)
           should_not_email(@u_outsider_mentioned)
+          should_not_email(@u_lazy_participant)
         end
 
         it 'filters out "mentioned in" notes' do
@@ -80,6 +81,20 @@ describe NotificationService, services: true do
           expect(Notify).not_to receive(:note_issue_email)
           notification.new_note(mentioned_note)
         end
+
+        context 'participating' do
+          context 'by note' do
+            before do
+              ActionMailer::Base.deliveries.clear
+              note.author = @u_lazy_participant
+              note.save
+              notification.new_note(note)
+            end
+
+
+            it { should_not_email(@u_lazy_participant) }
+          end
+        end
       end
 
       describe 'new note on issue in project that belongs to a group' do
@@ -106,6 +121,7 @@ describe NotificationService, services: true do
           should_not_email(note.author)
           should_not_email(@u_participating)
           should_not_email(@u_disabled)
+          should_not_email(@u_lazy_participant)
         end
       end
     end
@@ -235,6 +251,7 @@ describe NotificationService, services: true do
           should_not_email(note.author)
           should_not_email(@u_participating)
           should_not_email(@u_disabled)
+          should_not_email(@u_lazy_participant)
         end
 
         it do
@@ -248,10 +265,11 @@ describe NotificationService, services: true do
           should_not_email(note.author)
           should_not_email(@u_participating)
           should_not_email(@u_disabled)
+          should_not_email(@u_lazy_participant)
         end
 
         it do
-          @u_committer.update_attributes(notification_level: :mention)
+          @u_committer = create_global_setting_for(@u_committer, :mention)
           notification.new_note(note)
           should_not_email(@u_committer)
         end
@@ -280,10 +298,11 @@ describe NotificationService, services: true do
         should_not_email(@u_mentioned)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
       end
 
       it do
-        issue.assignee.update_attributes(notification_level: :mention)
+        create_global_setting_for(issue.assignee, :mention)
         notification.new_issue(issue, @u_disabled)
 
         should_not_email(issue.assignee)
@@ -341,6 +360,7 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
       end
 
       it 'emails previous assignee even if he has the "on mention" notif level' do
@@ -356,6 +376,7 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
       end
 
       it 'emails new assignee even if he has the "on mention" notif level' do
@@ -371,6 +392,7 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
       end
 
       it 'emails new assignee' do
@@ -386,6 +408,7 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
       end
 
       it 'does not email new assignee if they are the current user' do
@@ -401,6 +424,35 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
+      end
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            issue.update_attribute(:assignee, @u_lazy_participant)
+            notification.reassigned_issue(issue, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: issue, project_id: issue.project_id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.reassigned_issue(issue, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            issue.author = @u_lazy_participant
+            notification.reassigned_issue(issue, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
       end
     end
 
@@ -479,6 +531,35 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
+      end
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            issue.update_attribute(:assignee, @u_lazy_participant)
+            notification.close_issue(issue, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: issue, project_id: issue.project_id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.close_issue(issue, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            issue.author = @u_lazy_participant
+            notification.close_issue(issue, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
       end
     end
 
@@ -495,6 +576,35 @@ describe NotificationService, services: true do
         should_email(@watcher_and_subscriber)
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
+        should_not_email(@u_lazy_participant)
+      end
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            issue.update_attribute(:assignee, @u_lazy_participant)
+            notification.reopen_issue(issue, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: issue, project_id: issue.project_id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.reopen_issue(issue, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            issue.author = @u_lazy_participant
+            notification.reopen_issue(issue, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
       end
     end
   end
@@ -520,6 +630,7 @@ describe NotificationService, services: true do
         should_email(@u_guest_watcher)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
       end
 
       it "emails subscribers of the merge request's labels" do
@@ -530,6 +641,36 @@ describe NotificationService, services: true do
 
         should_email(subscriber)
       end
+
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            merge_request.update_attribute(:assignee, @u_lazy_participant)
+            notification.new_merge_request(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: merge_request, project_id: project.id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.new_merge_request(merge_request, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            merge_request.author = @u_lazy_participant
+            merge_request.save
+            notification.new_merge_request(merge_request, @u_disabled)
+          end
+
+          it { should_not_email(@u_lazy_participant) }
+        end
+      end
     end
 
     describe '#reassigned_merge_request' do
@@ -545,6 +686,36 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
+      end
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            merge_request.update_attribute(:assignee, @u_lazy_participant)
+            notification.reassigned_merge_request(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: merge_request, project_id: project.id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.reassigned_merge_request(merge_request, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            merge_request.author = @u_lazy_participant
+            merge_request.save
+            notification.reassigned_merge_request(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
       end
     end
 
@@ -572,6 +743,7 @@ describe NotificationService, services: true do
         should_not_email(@watcher_and_subscriber)
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
+        should_not_email(@u_lazy_participant)
         should_not_email(subscriber_to_label)
         should_email(subscriber_to_label2)
       end
@@ -590,6 +762,36 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
+      end
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            merge_request.update_attribute(:assignee, @u_lazy_participant)
+            notification.close_mr(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: merge_request, project_id: project.id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.close_mr(merge_request, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            merge_request.author = @u_lazy_participant
+            merge_request.save
+            notification.close_mr(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
       end
     end
 
@@ -606,6 +808,36 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
+      end
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            merge_request.update_attribute(:assignee, @u_lazy_participant)
+            notification.merge_mr(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: merge_request, project_id: project.id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.merge_mr(merge_request, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            merge_request.author = @u_lazy_participant
+            merge_request.save
+            notification.merge_mr(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
       end
     end
 
@@ -622,6 +854,36 @@ describe NotificationService, services: true do
         should_not_email(@unsubscriber)
         should_not_email(@u_participating)
         should_not_email(@u_disabled)
+        should_not_email(@u_lazy_participant)
+      end
+
+      context 'participating' do
+        context 'by assignee' do
+          before do
+            merge_request.update_attribute(:assignee, @u_lazy_participant)
+            notification.reopen_mr(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by note' do
+          let!(:note) { create(:note_on_issue, noteable: merge_request, project_id: project.id, note: 'anything', author: @u_lazy_participant) }
+
+          before { notification.reopen_mr(merge_request, @u_disabled) }
+
+          it { should_email(@u_lazy_participant) }
+        end
+
+        context 'by author' do
+          before do
+            merge_request.author = @u_lazy_participant
+            merge_request.save
+            notification.reopen_mr(merge_request, @u_disabled)
+          end
+
+          it { should_email(@u_lazy_participant) }
+        end
       end
     end
   end
@@ -640,6 +902,7 @@ describe NotificationService, services: true do
 
         should_email(@u_watcher)
         should_email(@u_participating)
+        should_email(@u_lazy_participant)
         should_not_email(@u_guest_watcher)
         should_not_email(@u_disabled)
       end
@@ -647,14 +910,19 @@ describe NotificationService, services: true do
   end
 
   def build_team(project)
-    @u_watcher = create(:user, notification_level: :watch)
-    @u_participating = create(:user, notification_level: :participating)
-    @u_participant_mentioned = create(:user, username: 'participant', notification_level: :participating)
-    @u_disabled = create(:user, notification_level: :disabled)
-    @u_mentioned = create(:user, username: 'mention', notification_level: :mention)
-    @u_committer = create(:user, username: 'committer')
-    @u_not_mentioned = create(:user, username: 'regular', notification_level: :participating)
-    @u_outsider_mentioned = create(:user, username: 'outsider')
+    @u_watcher               = create_global_setting_for(create(:user), :watch)
+    @u_participating         = create_global_setting_for(create(:user), :participating)
+    @u_participant_mentioned = create_global_setting_for(create(:user, username: 'participant'), :participating)
+    @u_disabled              = create_global_setting_for(create(:user), :disabled)
+    @u_mentioned             = create_global_setting_for(create(:user, username: 'mention'), :mention)
+    @u_committer             = create(:user, username: 'committer')
+    @u_not_mentioned         = create_global_setting_for(create(:user, username: 'regular'), :participating)
+    @u_outsider_mentioned    = create(:user, username: 'outsider')
+
+    # User to be participant by default
+    # This user does not contain any record in notification settings table
+    # It should be treated with a :participating notification_level
+    @u_lazy_participant      = create(:user, username: 'lazy-participant')
 
     create_guest_watcher
 
@@ -665,6 +933,15 @@ describe NotificationService, services: true do
     project.team << [@u_mentioned, :master]
     project.team << [@u_committer, :master]
     project.team << [@u_not_mentioned, :master]
+    project.team << [@u_lazy_participant, :master]
+  end
+
+  def create_global_setting_for(user, level)
+    setting = user.global_notification_setting
+    setting.level = level
+    setting.save
+
+    user
   end
 
   def create_guest_watcher
@@ -677,8 +954,8 @@ describe NotificationService, services: true do
   def add_users_with_subscription(project, issuable)
     @subscriber = create :user
     @unsubscriber = create :user
-    @subscribed_participant = create(:user, username: 'subscribed_participant', notification_level: :participating)
-    @watcher_and_subscriber = create(:user, notification_level: :watch)
+    @subscribed_participant = create_global_setting_for(create(:user, username: 'subscribed_participant'), :participating)
+    @watcher_and_subscriber = create_global_setting_for(create(:user), :watch)
 
     project.team << [@subscribed_participant, :master]
     project.team << [@subscriber, :master]
diff --git a/spec/services/projects/import_service_spec.rb b/spec/services/projects/import_service_spec.rb
index 9d90bfceb73..068c9a1219c 100644
--- a/spec/services/projects/import_service_spec.rb
+++ b/spec/services/projects/import_service_spec.rb
@@ -124,7 +124,7 @@ describe Projects::ImportService, services: true do
         }
       )
 
-      Gitlab.config.omniauth.providers << provider
+      allow(Gitlab.config.omniauth).to receive(:providers).and_return([provider])
     end
   end
 end
diff --git a/spec/services/todo_service_spec.rb b/spec/services/todo_service_spec.rb
index 6e7ecbd39ba..489c920f19f 100644
--- a/spec/services/todo_service_spec.rb
+++ b/spec/services/todo_service_spec.rb
@@ -18,7 +18,7 @@ describe TodoService, services: true do
   end
 
   describe 'Issues' do
-    let(:issue) { create(:issue, project: project, assignee: john_doe, author: author, description: mentions) }
+    let(:issue) { create(:issue, project: project, assignee: john_doe, author: author, description: "- [ ] Task 1\n- [ ] Task 2 #{mentions}") }
     let(:unassigned_issue) { create(:issue, project: project, assignee: nil) }
     let(:confidential_issue) { create(:issue, :confidential, project: project, author: author, assignee: assignee, description: mentions) }
 
@@ -101,6 +101,19 @@ describe TodoService, services: true do
         should_create_todo(user: admin, target: confidential_issue, author: john_doe, action: Todo::MENTIONED)
         should_not_create_todo(user: john_doe, target: confidential_issue, author: john_doe, action: Todo::MENTIONED)
       end
+
+      it 'does not create todo when when tasks are marked as completed' do
+        issue.update(description: "- [x] Task 1\n- [X] Task 2 #{mentions}")
+
+        service.update_issue(issue, author)
+
+        should_not_create_todo(user: admin, target: issue, action: Todo::MENTIONED)
+        should_not_create_todo(user: assignee, target: issue, action: Todo::MENTIONED)
+        should_not_create_todo(user: author, target: issue, action: Todo::MENTIONED)
+        should_not_create_todo(user: john_doe, target: issue, action: Todo::MENTIONED)
+        should_not_create_todo(user: member, target: issue, action: Todo::MENTIONED)
+        should_not_create_todo(user: non_member, target: issue, action: Todo::MENTIONED)
+      end
     end
 
     describe '#close_issue' do
@@ -210,7 +223,7 @@ describe TodoService, services: true do
   end
 
   describe 'Merge Requests' do
-    let(:mr_assigned) { create(:merge_request, source_project: project, author: author, assignee: john_doe, description: mentions) }
+    let(:mr_assigned) { create(:merge_request, source_project: project, author: author, assignee: john_doe, description: "- [ ] Task 1\n- [ ] Task 2 #{mentions}") }
     let(:mr_unassigned) { create(:merge_request, source_project: project, author: author, assignee: nil) }
 
     describe '#new_merge_request' do
@@ -253,6 +266,19 @@ describe TodoService, services: true do
 
         expect { service.update_merge_request(mr_assigned, author) }.not_to change(member.todos, :count)
       end
+
+      it 'does not create todo when when tasks are marked as completed' do
+        mr_assigned.update(description: "- [x] Task 1\n- [X] Task 2 #{mentions}")
+
+        service.update_merge_request(mr_assigned, author)
+
+        should_not_create_todo(user: admin, target: mr_assigned, action: Todo::MENTIONED)
+        should_not_create_todo(user: assignee, target: mr_assigned, action: Todo::MENTIONED)
+        should_not_create_todo(user: author, target: mr_assigned, action: Todo::MENTIONED)
+        should_not_create_todo(user: john_doe, target: mr_assigned, action: Todo::MENTIONED)
+        should_not_create_todo(user: member, target: mr_assigned, action: Todo::MENTIONED)
+        should_not_create_todo(user: non_member, target: mr_assigned, action: Todo::MENTIONED)
+      end
     end
 
     describe '#close_merge_request' do
diff --git a/spec/controllers/import/import_spec_helper.rb b/spec/support/import_spec_helper.rb
index 9d7648e25a7..6710962f082 100644
--- a/spec/controllers/import/import_spec_helper.rb
+++ b/spec/support/import_spec_helper.rb
@@ -28,6 +28,6 @@ module ImportSpecHelper
       app_id: 'asd123',
       app_secret: 'asd123'
     )
-    Gitlab.config.omniauth.providers << provider
+    allow(Gitlab.config.omniauth).to receive(:providers).and_return([provider])
   end
 end
diff --git a/spec/support/markdown_feature.rb b/spec/support/markdown_feature.rb
index 7fc6d6fcc5e..a79386b5db9 100644
--- a/spec/support/markdown_feature.rb
+++ b/spec/support/markdown_feature.rb
@@ -32,6 +32,10 @@ class MarkdownFeature
     @project_wiki ||= ProjectWiki.new(project, user)
   end
 
+  def project_wiki_page
+    @project_wiki_page ||= build(:wiki_page, wiki: project_wiki)
+  end
+
   def issue
     @issue ||= create(:issue, project: project)
   end