Add latest changes from gitlab-org/gitlab@master

27 files changed, 1085 insertions, 987 deletions

diff --git a/spec/features/projects/wiki/markdown_preview_spec.rb b/spec/features/projects/wiki/markdown_preview_spec.rb
deleted file mode 100644
index 8f2fb9e827c..00000000000
--- a/spec/features/projects/wiki/markdown_preview_spec.rb
+++ /dev/null
@@ -1,168 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe 'Projects > Wiki > User previews markdown changes', :js do
-  let_it_be(:user) { create(:user) }
-  let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
-  let(:wiki_page) { create(:wiki_page, wiki: project.wiki, title: 'home', content: '[some link](other-page)') }
-  let(:wiki_content) do
-    <<-HEREDOC
-Some text so key event for [ does not trigger an incorrect replacement.
-[regular link](regular)
-[relative link 1](../relative)
-[relative link 2](./relative)
-[relative link 3](./e/f/relative)
-[spaced link](title with spaces)
-    HEREDOC
-  end
-
-  before do
-    project.add_maintainer(user)
-
-    sign_in(user)
-  end
-
-  context "while creating a new wiki page" do
-    context "when there are no spaces or hyphens in the page name" do
-      it "rewrites relative links as expected" do
-        create_wiki_page('a/b/c/d', content: wiki_content)
-
-        expect(page).to have_content("regular link")
-
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
-      end
-    end
-
-    context "when there are spaces in the page name" do
-      it "rewrites relative links as expected" do
-        create_wiki_page('a page/b page/c page/d page', content: wiki_content)
-
-        expect(page).to have_content("regular link")
-
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
-      end
-    end
-
-    context "when there are hyphens in the page name" do
-      it "rewrites relative links as expected" do
-        create_wiki_page('a-page/b-page/c-page/d-page', content: wiki_content)
-
-        expect(page).to have_content("regular link")
-
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
-      end
-    end
-  end
-
-  context "while editing a wiki page" do
-    context "when there are no spaces or hyphens in the page name" do
-      it "rewrites relative links as expected" do
-        create_wiki_page('a/b/c/d')
-        click_link 'Edit'
-
-        fill_in :wiki_content, with: wiki_content
-        click_on "Preview"
-
-        expect(page).to have_content("regular link")
-
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a/b/c/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
-      end
-    end
-
-    context "when there are spaces in the page name" do
-      it "rewrites relative links as expected" do
-        create_wiki_page('a page/b page/c page/d page')
-        click_link 'Edit'
-
-        fill_in :wiki_content, with: wiki_content
-        click_on "Preview"
-
-        expect(page).to have_content("regular link")
-
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
-      end
-    end
-
-    context "when there are hyphens in the page name" do
-      it "rewrites relative links as expected" do
-        create_wiki_page('a-page/b-page/c-page/d-page')
-        click_link 'Edit'
-
-        fill_in :wiki_content, with: wiki_content
-        click_on "Preview"
-
-        expect(page).to have_content("regular link")
-
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/regular\">regular link</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/relative\">relative link 1</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/relative\">relative link 2</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/a-page/b-page/c-page/e/f/relative\">relative link 3</a>")
-        expect(page.html).to include("<a href=\"/#{project.full_path}/-/wikis/title%20with%20spaces\">spaced link</a>")
-      end
-    end
-
-    context 'when rendering the preview' do
-      it 'renders content with CommonMark' do
-        create_wiki_page('a-page/b-page/c-page/common-mark')
-        click_link 'Edit'
-
-        fill_in :wiki_content, with: "1. one\n  - sublist\n"
-        click_on "Preview"
-
-        # the above generates two separate lists (not embedded) in CommonMark
-        expect(page).to have_content("sublist")
-        expect(page).not_to have_xpath("//ol//li//ul")
-      end
-    end
-  end
-
-  it "does not linkify double brackets inside code blocks as expected" do
-    wiki_content = <<-HEREDOC
-      `[[do_not_linkify]]`
-      ```
-      [[also_do_not_linkify]]
-      ```
-    HEREDOC
-
-    create_wiki_page('linkify_test', wiki_content)
-
-    expect(page).to have_content("do_not_linkify")
-
-    expect(page.html).to include('[[do_not_linkify]]')
-    expect(page.html).to include('[[also_do_not_linkify]]')
-  end
-
-  private
-
-  def create_wiki_page(path, content = 'content')
-    visit project_wiki_path(project, wiki_page)
-
-    click_link 'New page'
-
-    fill_in :wiki_title, with: path
-    fill_in :wiki_content, with: content
-
-    click_button 'Create page'
-  end
-end
diff --git a/spec/features/projects/wiki/shortcuts_spec.rb b/spec/features/projects/wiki/shortcuts_spec.rb
deleted file mode 100644
index 170e7afb51f..00000000000
--- a/spec/features/projects/wiki/shortcuts_spec.rb
+++ /dev/null
@@ -1,20 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe 'Wiki shortcuts', :js do
-  let(:user) { create(:user) }
-  let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
-  let(:wiki_page) { create(:wiki_page, wiki: project.wiki, title: 'home', content: 'Home page') }
-
-  before do
-    sign_in(user)
-    visit project_wiki_path(project, wiki_page)
-  end
-
-  it 'Visit edit wiki page using "e" keyboard shortcut' do
-    find('body').native.send_key('e')
-
-    expect(find('.wiki-page-title')).to have_content('Edit Page')
-  end
-end
diff --git a/spec/features/projects/wiki/user_creates_wiki_page_spec.rb b/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
deleted file mode 100644
index eba1b63765a..00000000000
--- a/spec/features/projects/wiki/user_creates_wiki_page_spec.rb
+++ /dev/null
@@ -1,360 +0,0 @@
-# frozen_string_literal: true
-
-require "spec_helper"
-
-RSpec.describe "User creates wiki page" do
-  include WikiHelpers
-
-  let(:user) { create(:user) }
-  let(:wiki) { ProjectWiki.new(project, user) }
-  let(:project) { create(:project) }
-
-  before do
-    project.add_maintainer(user)
-
-    sign_in(user)
-  end
-
-  context "when wiki is empty" do
-    before do |example|
-      visit(project_wikis_path(project))
-
-      wait_for_svg_to_be_loaded(example)
-
-      click_link "Create your first page"
-    end
-
-    context "in a user namespace" do
-      let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
-
-      it "shows validation error message" do
-        page.within(".wiki-form") do
-          fill_in(:wiki_content, with: "")
-
-          click_on("Create page")
-        end
-
-        expect(page).to have_content("The form contains the following error:").and have_content("Content can't be blank")
-
-        page.within(".wiki-form") do
-          fill_in(:wiki_content, with: "[link test](test)")
-
-          click_on("Create page")
-        end
-
-        expect(page).to have_content("Home").and have_content("link test")
-
-        click_link("link test")
-
-        expect(page).to have_content("Create New Page")
-      end
-
-      it "shows non-escaped link in the pages list" do
-        fill_in(:wiki_title, with: "one/two/three-test")
-
-        page.within(".wiki-form") do
-          fill_in(:wiki_content, with: "wiki content")
-
-          click_on("Create page")
-        end
-
-        expect(current_path).to include("one/two/three-test")
-        expect(page).to have_xpath("//a[@href='/#{project.full_path}/-/wikis/one/two/three-test']")
-      end
-
-      it "has `Create home` as a commit message", :js do
-        wait_for_requests
-
-        expect(page).to have_field("wiki[message]", with: "Create home")
-      end
-
-      it "creates a page from the home page" do
-        fill_in(:wiki_content, with: "[test](test)\n[GitLab API doc](api)\n[Rake tasks](raketasks)\n# Wiki header\n")
-        fill_in(:wiki_message, with: "Adding links to wiki")
-
-        page.within(".wiki-form") do
-          click_button("Create page")
-        end
-
-        expect(current_path).to eq(project_wiki_path(project, "home"))
-        expect(page).to have_content("test GitLab API doc Rake tasks Wiki header")
-                   .and have_content("Home")
-                   .and have_content("Last edited by #{user.name}")
-                   .and have_header_with_correct_id_and_link(1, "Wiki header", "wiki-header")
-
-        click_link("test")
-
-        expect(current_path).to eq(project_wiki_path(project, "test"))
-
-        page.within(:css, ".nav-text") do
-          expect(page).to have_content("Create New Page")
-        end
-
-        click_link("Home")
-
-        expect(current_path).to eq(project_wiki_path(project, "home"))
-
-        click_link("GitLab API")
-
-        expect(current_path).to eq(project_wiki_path(project, "api"))
-
-        page.within(:css, ".nav-text") do
-          expect(page).to have_content("Create")
-        end
-
-        click_link("Home")
-
-        expect(current_path).to eq(project_wiki_path(project, "home"))
-
-        click_link("Rake tasks")
-
-        expect(current_path).to eq(project_wiki_path(project, "raketasks"))
-
-        page.within(:css, ".nav-text") do
-          expect(page).to have_content("Create")
-        end
-      end
-
-      it "creates ASCII wiki with LaTeX blocks", :js do
-        stub_application_setting(plantuml_url: "http://localhost", plantuml_enabled: true)
-
-        ascii_content = <<~MD
-          :stem: latexmath
-
-          [stem]
-          ++++
-          \\sqrt{4} = 2
-          ++++
-
-          another part
-
-          [latexmath]
-          ++++
-          \\beta_x \\gamma
-          ++++
-
-          stem:[2+2] is 4
-        MD
-
-        find("#wiki_format option[value=asciidoc]").select_option
-
-        fill_in(:wiki_content, with: ascii_content)
-
-        page.within(".wiki-form") do
-          click_button("Create page")
-        end
-
-        page.within ".md" do
-          expect(page).to have_selector(".katex", count: 3).and have_content("2+2 is 4")
-        end
-      end
-
-      it 'creates a wiki page with Org markup', :aggregate_failures do
-        org_content = <<~ORG
-          * Heading
-          ** Subheading
-          [[home][Link to Home]]
-        ORG
-
-        page.within('.wiki-form') do
-          find('#wiki_format option[value=org]').select_option
-          fill_in(:wiki_content, with: org_content)
-          click_button('Create page')
-        end
-
-        expect(page).to have_selector('h1', text: 'Heading')
-        expect(page).to have_selector('h2', text: 'Subheading')
-        expect(page).to have_link('Link to Home', href: "/#{project.full_path}/-/wikis/home")
-      end
-
-      it_behaves_like 'wiki file attachments'
-    end
-
-    context "in a group namespace", :js do
-      let(:project) { create(:project, :wiki_repo, namespace: create(:group, :public)) }
-
-      it "has `Create home` as a commit message" do
-        wait_for_requests
-
-        expect(page).to have_field("wiki[message]", with: "Create home")
-      end
-
-      it "creates a page from the home page" do
-        page.within(".wiki-form") do
-          fill_in(:wiki_content, with: "My awesome wiki!")
-
-          click_button("Create page")
-        end
-
-        expect(page).to have_content("Home")
-                   .and have_content("Last edited by #{user.name}")
-                   .and have_content("My awesome wiki!")
-      end
-    end
-  end
-
-  context "when wiki is not empty", :js do
-    before do
-      create(:wiki_page, wiki: wiki, title: 'home', content: 'Home page')
-
-      visit(project_wikis_path(project))
-    end
-
-    context "in a user namespace" do
-      let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
-
-      context "via the `new wiki page` page" do
-        it "creates a page with a single word" do
-          click_link("New page")
-
-          page.within(".wiki-form") do
-            fill_in(:wiki_title, with: "foo")
-            fill_in(:wiki_content, with: "My awesome wiki!")
-          end
-
-          # Commit message field should have correct value.
-          expect(page).to have_field("wiki[message]", with: "Create foo")
-
-          click_button("Create page")
-
-          expect(page).to have_content("foo")
-                     .and have_content("Last edited by #{user.name}")
-                     .and have_content("My awesome wiki!")
-        end
-
-        it "creates a page with spaces in the name" do
-          click_link("New page")
-
-          page.within(".wiki-form") do
-            fill_in(:wiki_title, with: "Spaces in the name")
-            fill_in(:wiki_content, with: "My awesome wiki!")
-          end
-
-          # Commit message field should have correct value.
-          expect(page).to have_field("wiki[message]", with: "Create Spaces in the name")
-
-          click_button("Create page")
-
-          expect(page).to have_content("Spaces in the name")
-                     .and have_content("Last edited by #{user.name}")
-                     .and have_content("My awesome wiki!")
-        end
-
-        it "creates a page with hyphens in the name" do
-          click_link("New page")
-
-          page.within(".wiki-form") do
-            fill_in(:wiki_title, with: "hyphens-in-the-name")
-            fill_in(:wiki_content, with: "My awesome wiki!")
-          end
-
-          # Commit message field should have correct value.
-          expect(page).to have_field("wiki[message]", with: "Create hyphens in the name")
-
-          page.within(".wiki-form") do
-            fill_in(:wiki_content, with: "My awesome wiki!")
-
-            click_button("Create page")
-          end
-
-          expect(page).to have_content("hyphens in the name")
-                     .and have_content("Last edited by #{user.name}")
-                     .and have_content("My awesome wiki!")
-        end
-      end
-
-      it "shows the emoji autocompletion dropdown" do
-        click_link("New page")
-
-        page.within(".wiki-form") do
-          find("#wiki_content").native.send_keys("")
-
-          fill_in(:wiki_content, with: ":")
-        end
-
-        expect(page).to have_selector(".atwho-view")
-      end
-    end
-
-    context "in a group namespace" do
-      let(:project) { create(:project, :wiki_repo, namespace: create(:group, :public)) }
-
-      context "via the `new wiki page` page" do
-        it "creates a page" do
-          click_link("New page")
-
-          page.within(".wiki-form") do
-            fill_in(:wiki_title, with: "foo")
-            fill_in(:wiki_content, with: "My awesome wiki!")
-          end
-
-          # Commit message field should have correct value.
-          expect(page).to have_field("wiki[message]", with: "Create foo")
-
-          click_button("Create page")
-
-          expect(page).to have_content("foo")
-                     .and have_content("Last edited by #{user.name}")
-                     .and have_content("My awesome wiki!")
-        end
-      end
-    end
-  end
-
-  describe 'sidebar feature' do
-    context 'when there are some existing pages' do
-      before do
-        create(:wiki_page, wiki: wiki, title: 'home', content: 'home')
-        create(:wiki_page, wiki: wiki, title: 'another', content: 'another')
-      end
-
-      it 'renders a default sidebar when there is no customized sidebar' do
-        visit(project_wikis_path(project))
-
-        expect(page).to have_content('another')
-        expect(page).not_to have_link('View All Pages')
-      end
-
-      context 'when there is a customized sidebar' do
-        before do
-          create(:wiki_page, wiki: wiki, title: '_sidebar', content: 'My customized sidebar')
-        end
-
-        it 'renders my customized sidebar instead of the default one' do
-          visit(project_wikis_path(project))
-
-          expect(page).to have_content('My customized sidebar')
-          expect(page).not_to have_content('Another')
-        end
-      end
-    end
-
-    context 'when there are 15 existing pages' do
-      before do
-        (1..5).each { |i| create(:wiki_page, wiki: wiki, title: "my page #{i}") }
-        (6..10).each { |i| create(:wiki_page, wiki: wiki, title: "parent/my page #{i}") }
-        (11..15).each { |i| create(:wiki_page, wiki: wiki, title: "grandparent/parent/my page #{i}") }
-      end
-
-      it 'shows all pages in the sidebar' do
-        visit(project_wikis_path(project))
-
-        (1..15).each { |i| expect(page).to have_content("my page #{i}") }
-        expect(page).not_to have_link('View All Pages')
-      end
-
-      context 'when there are more than 15 existing pages' do
-        before do
-          create(:wiki_page, wiki: wiki, title: 'my page 16')
-        end
-
-        it 'shows the first 15 pages in the sidebar' do
-          visit(project_wikis_path(project))
-
-          expect(page).to have_text('my page', count: 15)
-          expect(page).to have_link('View All Pages')
-        end
-      end
-    end
-  end
-end
diff --git a/spec/features/projects/wiki/user_deletes_wiki_page_spec.rb b/spec/features/projects/wiki/user_deletes_wiki_page_spec.rb
deleted file mode 100644
index a5d865d581b..00000000000
--- a/spec/features/projects/wiki/user_deletes_wiki_page_spec.rb
+++ /dev/null
@@ -1,22 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe 'User deletes wiki page', :js do
-  let(:user) { create(:user) }
-  let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
-  let(:wiki_page) { create(:wiki_page, wiki: project.wiki) }
-
-  before do
-    sign_in(user)
-    visit(project_wiki_path(project, wiki_page))
-  end
-
-  it 'deletes a page' do
-    click_on('Edit')
-    click_on('Delete')
-    find('.modal-footer .btn-danger').click
-
-    expect(page).to have_content('Page was successfully deleted')
-  end
-end
diff --git a/spec/features/projects/wiki/user_updates_wiki_page_spec.rb b/spec/features/projects/wiki/user_updates_wiki_page_spec.rb
deleted file mode 100644
index fdab63a56b8..00000000000
--- a/spec/features/projects/wiki/user_updates_wiki_page_spec.rb
+++ /dev/null
@@ -1,263 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe 'User updates wiki page' do
-  include WikiHelpers
-
-  let(:user) { create(:user) }
-
-  before do
-    project.add_maintainer(user)
-    sign_in(user)
-  end
-
-  context 'when wiki is empty' do
-    before do |example|
-      visit(project_wikis_path(project))
-
-      wait_for_svg_to_be_loaded(example)
-
-      click_link "Create your first page"
-    end
-
-    context 'in a user namespace' do
-      let(:project) { create(:project, :wiki_repo) }
-
-      it 'redirects back to the home edit page' do
-        page.within(:css, '.wiki-form .form-actions') do
-          click_on('Cancel')
-        end
-
-        expect(current_path).to eq wiki_path(project.wiki)
-      end
-
-      it 'updates a page that has a path', :js do
-        fill_in(:wiki_title, with: 'one/two/three-test')
-
-        page.within '.wiki-form' do
-          fill_in(:wiki_content, with: 'wiki content')
-          click_on('Create page')
-        end
-
-        expect(current_path).to include('one/two/three-test')
-        expect(find('.wiki-pages')).to have_content('three')
-
-        first(:link, text: 'three').click
-
-        expect(find('.nav-text')).to have_content('three')
-
-        click_on('Edit')
-
-        expect(current_path).to include('one/two/three-test')
-        expect(page).to have_content('Edit Page')
-
-        fill_in('Content', with: 'Updated Wiki Content')
-        click_on('Save changes')
-
-        expect(page).to have_content('Updated Wiki Content')
-      end
-
-      it_behaves_like 'wiki file attachments'
-    end
-  end
-
-  context 'when wiki is not empty' do
-    let(:project_wiki) { create(:project_wiki, project: project, user: project.creator) }
-    let!(:wiki_page) { create(:wiki_page, wiki: project_wiki, title: 'home', content: 'Home page') }
-
-    before do
-      visit(project_wikis_path(project))
-
-      click_link('Edit')
-    end
-
-    context 'in a user namespace' do
-      let(:project) { create(:project, :wiki_repo) }
-
-      it 'updates a page', :js do
-        # Commit message field should have correct value.
-        expect(page).to have_field('wiki[message]', with: 'Update home')
-
-        fill_in(:wiki_content, with: 'My awesome wiki!')
-        click_button('Save changes')
-
-        expect(page).to have_content('Home')
-        expect(page).to have_content("Last edited by #{user.name}")
-        expect(page).to have_content('My awesome wiki!')
-      end
-
-      it 'updates the commit message as the title is changed', :js do
-        fill_in(:wiki_title, with: '& < > \ \ { } &')
-
-        expect(page).to have_field('wiki[message]', with: 'Update & < > \ \ { } &')
-      end
-
-      it 'correctly escapes the commit message entities', :js do
-        fill_in(:wiki_title, with: 'Wiki title')
-
-        expect(page).to have_field('wiki[message]', with: 'Update Wiki title')
-      end
-
-      it 'shows a validation error message' do
-        fill_in(:wiki_content, with: '')
-        click_button('Save changes')
-
-        expect(page).to have_selector('.wiki-form')
-        expect(page).to have_content('Edit Page')
-        expect(page).to have_content('The form contains the following error:')
-        expect(page).to have_content("Content can't be blank")
-        expect(find('textarea#wiki_content').value).to eq('')
-      end
-
-      it 'shows the emoji autocompletion dropdown', :js do
-        find('#wiki_content').native.send_keys('')
-        fill_in(:wiki_content, with: ':')
-
-        expect(page).to have_selector('.atwho-view')
-      end
-
-      it 'shows the error message' do
-        wiki_page.update(content: 'Update')
-
-        click_button('Save changes')
-
-        expect(page).to have_content('Someone edited the page the same time you did.')
-      end
-
-      it 'updates a page' do
-        fill_in('Content', with: 'Updated Wiki Content')
-        click_on('Save changes')
-
-        expect(page).to have_content('Updated Wiki Content')
-      end
-
-      it 'cancels editing of a page' do
-        page.within(:css, '.wiki-form .form-actions') do
-          click_on('Cancel')
-        end
-
-        expect(current_path).to eq(project_wiki_path(project, wiki_page))
-      end
-
-      it_behaves_like 'wiki file attachments'
-    end
-
-    context 'in a group namespace' do
-      let(:project) { create(:project, :wiki_repo, namespace: create(:group, :public)) }
-
-      it 'updates a page', :js do
-        # Commit message field should have correct value.
-        expect(page).to have_field('wiki[message]', with: 'Update home')
-
-        fill_in(:wiki_content, with: 'My awesome wiki!')
-
-        click_button('Save changes')
-
-        expect(page).to have_content('Home')
-        expect(page).to have_content("Last edited by #{user.name}")
-        expect(page).to have_content('My awesome wiki!')
-      end
-
-      it_behaves_like 'wiki file attachments'
-    end
-  end
-
-  context 'when the page is in a subdir' do
-    let!(:project) { create(:project, :wiki_repo) }
-    let(:project_wiki) { create(:project_wiki, project: project, user: project.creator) }
-    let(:page_name) { 'page_name' }
-    let(:page_dir) { "foo/bar/#{page_name}" }
-    let!(:wiki_page) { create(:wiki_page, wiki: project_wiki, title: page_dir, content: 'Home page') }
-
-    before do
-      visit(project_wiki_edit_path(project, wiki_page))
-    end
-
-    it 'moves the page to the root folder' do
-      fill_in(:wiki_title, with: "/#{page_name}")
-
-      click_button('Save changes')
-
-      expect(current_path).to eq(project_wiki_path(project, page_name))
-    end
-
-    it 'moves the page to other dir' do
-      new_page_dir = "foo1/bar1/#{page_name}"
-
-      fill_in(:wiki_title, with: new_page_dir)
-
-      click_button('Save changes')
-
-      expect(current_path).to eq(project_wiki_path(project, new_page_dir))
-    end
-
-    it 'remains in the same place if title has not changed' do
-      original_path = project_wiki_path(project, wiki_page)
-
-      fill_in(:wiki_title, with: page_name)
-
-      click_button('Save changes')
-
-      expect(current_path).to eq(original_path)
-    end
-
-    it 'can be moved to a different dir with a different name' do
-      new_page_dir = "foo1/bar1/new_page_name"
-
-      fill_in(:wiki_title, with: new_page_dir)
-
-      click_button('Save changes')
-
-      expect(current_path).to eq(project_wiki_path(project, new_page_dir))
-    end
-
-    it 'can be renamed and moved to the root folder' do
-      new_name = 'new_page_name'
-
-      fill_in(:wiki_title, with: "/#{new_name}")
-
-      click_button('Save changes')
-
-      expect(current_path).to eq(project_wiki_path(project, new_name))
-    end
-
-    it 'squishes the title before creating the page' do
-      new_page_dir = "  foo1 /  bar1  /  #{page_name}  "
-
-      fill_in(:wiki_title, with: new_page_dir)
-
-      click_button('Save changes')
-
-      expect(current_path).to eq(project_wiki_path(project, "foo1/bar1/#{page_name}"))
-    end
-
-    it_behaves_like 'wiki file attachments'
-  end
-
-  context 'when an existing page exceeds the content size limit' do
-    let_it_be(:project) { create(:project, :wiki_repo) }
-    let!(:wiki_page) { create(:wiki_page, wiki: project.wiki, content: "one\ntwo\nthree") }
-
-    before do
-      stub_application_setting(wiki_page_max_content_bytes: 10)
-
-      visit wiki_page_path(wiki_page.wiki, wiki_page, action: :edit)
-    end
-
-    it 'allows changing the title if the content does not change' do
-      fill_in 'Title', with: 'new title'
-      click_on 'Save changes'
-
-      expect(page).to have_content('Wiki was successfully updated.')
-    end
-
-    it 'shows a validation error when trying to change the content' do
-      fill_in 'Content', with: 'new content'
-      click_on 'Save changes'
-
-      expect(page).to have_content('The form contains the following error:')
-      expect(page).to have_content('Content is too long (11 Bytes). The maximum size is 10 Bytes.')
-    end
-  end
-end
diff --git a/spec/features/projects/wiki/user_views_wiki_empty_spec.rb b/spec/features/projects/wiki/user_views_wiki_empty_spec.rb
index 0af40a2d760..1f460f39267 100644
--- a/spec/features/projects/wiki/user_views_wiki_empty_spec.rb
+++ b/spec/features/projects/wiki/user_views_wiki_empty_spec.rb
@@ -2,108 +2,86 @@
 
 require 'spec_helper'
 
-RSpec.describe 'User views empty wiki' do
-  let(:user) { create(:user) }
-  let(:confluence_link) { 'Enable the Confluence Wiki integration' }
-  let(:element) { page.find('.row.empty-state') }
-
-  shared_examples 'empty wiki and accessible issues' do
-    it 'show "issue tracker" message' do
-      visit(project_wikis_path(project))
-
-      expect(element).to have_content('This project has no wiki pages')
-      expect(element).to have_content('You must be a project member')
-      expect(element).to have_content('improve the wiki for this project')
-      expect(element).to have_link("issue tracker", href: project_issues_path(project))
-      expect(element).to have_link("Suggest wiki improvement", href: new_project_issue_path(project))
-      expect(element).to have_no_link(confluence_link)
-    end
-  end
-
-  shared_examples 'empty wiki and non-accessible issues' do
-    it 'does not show "issue tracker" message' do
-      visit(project_wikis_path(project))
+RSpec.describe 'Project > User views empty wiki' do
+  let_it_be(:user) { create(:user) }
 
-      expect(element).to have_content('This project has no wiki pages')
-      expect(element).to have_content('You must be a project member')
-      expect(element).to have_no_link('Suggest wiki improvement')
-      expect(element).to have_no_link(confluence_link)
-    end
-  end
+  let(:wiki) { create(:project_wiki, project: project) }
 
-  context 'when user is logged out and issue tracker is public' do
-    let(:project) { create(:project, :public, :wiki_repo) }
+  it_behaves_like 'User views empty wiki' do
+    context 'when project is public' do
+      let(:project) { create(:project, :public) }
 
-    it_behaves_like 'empty wiki and accessible issues'
-  end
+      it_behaves_like 'empty wiki message', issuable: true
 
-  context 'when user is logged in and not a member' do
-    let(:project) { create(:project, :public, :wiki_repo) }
+      context 'when issue tracker is private' do
+        let(:project) { create(:project, :public, :issues_private) }
 
-    before do
-      sign_in(user)
-    end
+        it_behaves_like 'empty wiki message', issuable: false
+      end
 
-    it_behaves_like 'empty wiki and accessible issues'
-  end
+      context 'when issue tracker is disabled' do
+        let(:project) { create(:project, :public, :issues_disabled) }
 
-  context 'when issue tracker is private' do
-    let(:project) { create(:project, :public, :wiki_repo, :issues_private) }
+        it_behaves_like 'empty wiki message', issuable: false
+      end
 
-    it_behaves_like 'empty wiki and non-accessible issues'
-  end
+      context 'and user is logged in' do
+        before do
+          sign_in(user)
+        end
 
-  context 'when issue tracker is disabled' do
-    let(:project) { create(:project, :public, :wiki_repo, :issues_disabled) }
+        context 'and user is not a member' do
+          it_behaves_like 'empty wiki message', issuable: true
+        end
 
-    it_behaves_like 'empty wiki and non-accessible issues'
-  end
+        context 'and user is a member' do
+          before do
+            project.add_developer(user)
+          end
 
-  context 'when user is logged in and a member' do
-    let(:project) { create(:project, :public) }
-
-    before do
-      sign_in(user)
-      project.add_developer(user)
+          it_behaves_like 'empty wiki message', writable: true, issuable: true
+        end
+      end
     end
 
-    it 'shows "create first page" message' do
-      visit(project_wikis_path(project))
-
-      expect(element).to have_content('your project', count: 2)
+    context 'when project is private' do
+      let(:project) { create(:project, :private) }
 
-      element.click_link 'Create your first page'
+      it_behaves_like 'wiki is not found'
 
-      expect(page).to have_button('Create page')
-    end
+      context 'and user is logged in' do
+        before do
+          sign_in(user)
+        end
 
-    it 'does not show the "enable confluence" button' do
-      visit(project_wikis_path(project))
+        context 'and user is not a member' do
+          it_behaves_like 'wiki is not found'
+        end
 
-      expect(element).to have_no_link(confluence_link)
-    end
-  end
+        context 'and user is a member' do
+          before do
+            project.add_developer(user)
+          end
 
-  context 'when user is logged in and an admin' do
-    let(:project) { create(:project, :public, :wiki_repo) }
+          it_behaves_like 'empty wiki message', writable: true, issuable: true
+        end
 
-    before do
-      sign_in(user)
-      project.add_maintainer(user)
-    end
-
-    it 'shows the "enable confluence" button' do
-      visit(project_wikis_path(project))
-
-      expect(element).to have_link(confluence_link)
-    end
+        context 'and user is a maintainer' do
+          before do
+            project.add_maintainer(user)
+          end
 
-    it 'does not show "enable confluence" button if confluence is already enabled' do
-      create(:confluence_service, project: project)
+          it_behaves_like 'empty wiki message', writable: true, issuable: true, confluence: true
 
-      visit(project_wikis_path(project))
+          context 'and Confluence is already enabled' do
+            before do
+              create(:confluence_service, project: project)
+            end
 
-      expect(element).to have_no_link(confluence_link)
+            it_behaves_like 'empty wiki message', writable: true, issuable: true, confluence: false
+          end
+        end
+      end
     end
   end
 end
diff --git a/spec/features/projects/wikis_spec.rb b/spec/features/projects/wikis_spec.rb
new file mode 100644
index 00000000000..1c66ad81145
--- /dev/null
+++ b/spec/features/projects/wikis_spec.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe 'Project wikis' do
+  let_it_be(:user) { create(:user) }
+
+  let(:wiki) { create(:project_wiki, user: user, project: project) }
+  let(:project) { create(:project, namespace: user.namespace, creator: user) }
+
+  it_behaves_like 'User creates wiki page'
+  it_behaves_like 'User deletes wiki page'
+  it_behaves_like 'User previews wiki changes'
+  it_behaves_like 'User updates wiki page'
+  it_behaves_like 'User uses wiki shortcuts'
+  it_behaves_like 'User views AsciiDoc page with includes'
+  it_behaves_like 'User views a wiki page'
+  it_behaves_like 'User views wiki pages'
+  it_behaves_like 'User views wiki sidebar'
+end
diff --git a/spec/frontend/fixtures/releases.rb b/spec/frontend/fixtures/releases.rb
index a1df8893cd3..a3a43790f65 100644
--- a/spec/frontend/fixtures/releases.rb
+++ b/spec/frontend/fixtures/releases.rb
@@ -3,6 +3,7 @@
 require 'spec_helper'
 
 RSpec.describe 'Releases (JavaScript fixtures)' do
+  include ApiHelpers
   include JavaScriptFixturesHelpers
 
   let_it_be(:admin) { create(:admin) }
@@ -68,16 +69,14 @@ RSpec.describe 'Releases (JavaScript fixtures)' do
            link_type: :runbook)
   end
 
-  before(:all) do
-    clean_frontend_fixtures('api/releases/')
-  end
-
   after(:all) do
     remove_repository(project)
   end
 
-  describe API::Releases, '(JavaScript fixtures)', type: :request do
-    include ApiHelpers
+  describe API::Releases, type: :request do
+    before(:all) do
+      clean_frontend_fixtures('api/releases/')
+    end
 
     it 'api/releases/release.json' do
       get api("/projects/#{project.id}/releases/#{release.tag}", admin)
@@ -85,4 +84,22 @@ RSpec.describe 'Releases (JavaScript fixtures)' do
       expect(response).to be_successful
     end
   end
+
+  graphql_query_path = 'releases/queries/all_releases.query.graphql'
+
+  describe "~/#{graphql_query_path}", type: :request do
+    include GraphqlHelpers
+
+    before(:all) do
+      clean_frontend_fixtures('graphql/releases/')
+    end
+
+    it "graphql/#{graphql_query_path}.json" do
+      query = File.read(File.join(Rails.root, '/app/assets/javascripts', graphql_query_path))
+
+      post_graphql(query, current_user: admin, variables: { fullPath: project.full_path })
+
+      expect_graphql_errors_to_be_empty
+    end
+  end
 end
diff --git a/spec/frontend/vue_shared/components/members/table/member_source_spec.js b/spec/frontend/vue_shared/components/members/table/member_source_spec.js
new file mode 100644
index 00000000000..8b914d76674
--- /dev/null
+++ b/spec/frontend/vue_shared/components/members/table/member_source_spec.js
@@ -0,0 +1,71 @@
+import { mount, createWrapper } from '@vue/test-utils';
+import { getByText as getByTextHelper } from '@testing-library/dom';
+import { createMockDirective, getBinding } from 'helpers/vue_mock_directive';
+import MemberSource from '~/vue_shared/components/members/table/member_source.vue';
+
+describe('MemberSource', () => {
+  let wrapper;
+
+  const createComponent = propsData => {
+    wrapper = mount(MemberSource, {
+      propsData: {
+        memberSource: {
+          id: 102,
+          name: 'Foo bar',
+          webUrl: 'https://gitlab.com/groups/foo-bar',
+        },
+        ...propsData,
+      },
+      directives: {
+        GlTooltip: createMockDirective(),
+      },
+    });
+  };
+
+  const getByText = (text, options) =>
+    createWrapper(getByTextHelper(wrapper.element, text, options));
+
+  const getTooltipDirective = elementWrapper => getBinding(elementWrapper.element, 'gl-tooltip');
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  describe('direct member', () => {
+    it('displays "Direct member"', () => {
+      createComponent({
+        isDirectMember: true,
+      });
+
+      expect(getByText('Direct member').exists()).toBe(true);
+    });
+  });
+
+  describe('inherited member', () => {
+    let sourceGroupLink;
+
+    beforeEach(() => {
+      createComponent({
+        isDirectMember: false,
+      });
+
+      sourceGroupLink = getByText('Foo bar');
+    });
+
+    it('displays a link to source group', () => {
+      createComponent({
+        isDirectMember: false,
+      });
+
+      expect(sourceGroupLink.exists()).toBe(true);
+      expect(sourceGroupLink.attributes('href')).toBe('https://gitlab.com/groups/foo-bar');
+    });
+
+    it('displays tooltip with "Inherited"', () => {
+      const tooltipDirective = getTooltipDirective(sourceGroupLink);
+
+      expect(tooltipDirective).not.toBeUndefined();
+      expect(sourceGroupLink.attributes('title')).toBe('Inherited');
+    });
+  });
+});
diff --git a/spec/frontend/vue_shared/components/members/table/member_table_cell_spec.js b/spec/frontend/vue_shared/components/members/table/member_table_cell_spec.js
index ecab22328fe..372e07d5e27 100644
--- a/spec/frontend/vue_shared/components/members/table/member_table_cell_spec.js
+++ b/spec/frontend/vue_shared/components/members/table/member_table_cell_spec.js
@@ -1,4 +1,5 @@
 import { mount, createLocalVue } from '@vue/test-utils';
+import Vuex from 'vuex';
 import { MEMBER_TYPES } from '~/vue_shared/components/members/constants';
 import { member as memberMock, group, invite, accessRequest } from '../mock_data';
 import MembersTableCell from '~/vue_shared/components/members/table/members_table_cell.vue';
@@ -10,6 +11,10 @@ describe('MemberList', () => {
         type: String,
         required: true,
       },
+      isDirectMember: {
+        type: Boolean,
+        required: true,
+      },
     },
     render(createElement) {
       return createElement('div', this.memberType);
@@ -17,20 +22,34 @@ describe('MemberList', () => {
   };
 
   const localVue = createLocalVue();
+  localVue.use(Vuex);
   localVue.component('wrapped-component', WrappedComponent);
 
+  const createStore = (state = {}) => {
+    return new Vuex.Store({
+      state: {
+        sourceId: 1,
+        ...state,
+      },
+    });
+  };
+
   let wrapper;
 
-  const createComponent = propsData => {
+  const createComponent = (propsData, state = {}) => {
     wrapper = mount(MembersTableCell, {
       localVue,
       propsData,
+      store: createStore(state),
       scopedSlots: {
-        default: '<wrapped-component :member-type="props.memberType" />',
+        default:
+          '<wrapped-component :member-type="props.memberType" :is-direct-member="props.isDirectMember" />',
       },
     });
   };
 
+  const findWrappedComponent = () => wrapper.find(WrappedComponent);
+
   afterEach(() => {
     wrapper.destroy();
     wrapper = null;
@@ -47,7 +66,31 @@ describe('MemberList', () => {
     ({ member, expectedMemberType }) => {
       createComponent({ member });
 
-      expect(wrapper.find(WrappedComponent).props('memberType')).toBe(expectedMemberType);
+      expect(findWrappedComponent().props('memberType')).toBe(expectedMemberType);
     },
   );
+
+  describe('isDirectMember', () => {
+    it('returns `true` when member source has same ID as `sourceId`', () => {
+      createComponent({
+        member: {
+          ...memberMock,
+          source: {
+            ...memberMock.source,
+            id: 1,
+          },
+        },
+      });
+
+      expect(findWrappedComponent().props('isDirectMember')).toBe(true);
+    });
+
+    it('returns `false` when member is inherited', () => {
+      createComponent({
+        member: memberMock,
+      });
+
+      expect(findWrappedComponent().props('isDirectMember')).toBe(false);
+    });
+  });
 });
diff --git a/spec/frontend/vue_shared/components/members/table/members_table_spec.js b/spec/frontend/vue_shared/components/members/table/members_table_spec.js
index b236d94fc8b..dbad203b4f6 100644
--- a/spec/frontend/vue_shared/components/members/table/members_table_spec.js
+++ b/spec/frontend/vue_shared/components/members/table/members_table_spec.js
@@ -5,7 +5,10 @@ import {
   getByTestId as getByTestIdHelper,
 } from '@testing-library/dom';
 import MembersTable from '~/vue_shared/components/members/table/members_table.vue';
+import MemberAvatar from '~/vue_shared/components/members/table/member_avatar.vue';
+import MemberSource from '~/vue_shared/components/members/table/member_source.vue';
 import * as initUserPopovers from '~/user_popovers';
+import { member as memberMock, invite, accessRequest } from '../mock_data';
 
 const localVue = createLocalVue();
 localVue.use(Vuex);
@@ -44,20 +47,31 @@ describe('MemberList', () => {
 
   describe('fields', () => {
     it.each`
-      field           | label
-      ${'source'}     | ${'Source'}
-      ${'granted'}    | ${'Access granted'}
-      ${'invited'}    | ${'Invited'}
-      ${'requested'}  | ${'Requested'}
-      ${'expires'}    | ${'Access expires'}
-      ${'maxRole'}    | ${'Max role'}
-      ${'expiration'} | ${'Expiration'}
-    `('renders the $label field', ({ field, label }) => {
+      field           | label               | member           | expectedComponent
+      ${'account'}    | ${'Account'}        | ${memberMock}    | ${MemberAvatar}
+      ${'source'}     | ${'Source'}         | ${memberMock}    | ${MemberSource}
+      ${'granted'}    | ${'Access granted'} | ${memberMock}    | ${null}
+      ${'invited'}    | ${'Invited'}        | ${invite}        | ${null}
+      ${'requested'}  | ${'Requested'}      | ${accessRequest} | ${null}
+      ${'expires'}    | ${'Access expires'} | ${memberMock}    | ${null}
+      ${'maxRole'}    | ${'Max role'}       | ${memberMock}    | ${null}
+      ${'expiration'} | ${'Expiration'}     | ${memberMock}    | ${null}
+    `('renders the $label field', ({ field, label, member, expectedComponent }) => {
       createComponent({
+        members: [member],
         tableFields: [field],
       });
 
       expect(getByText(label, { selector: '[role="columnheader"]' }).exists()).toBe(true);
+
+      if (expectedComponent) {
+        expect(
+          wrapper
+            .find(`[data-label="${label}"][role="cell"]`)
+            .find(expectedComponent)
+            .exists(),
+        ).toBe(true);
+      }
     });
 
     it('renders "Actions" field for screen readers', () => {
diff --git a/spec/helpers/issuables_helper_spec.rb b/spec/helpers/issuables_helper_spec.rb
index 89a2a92ea57..821440db551 100644
--- a/spec/helpers/issuables_helper_spec.rb
+++ b/spec/helpers/issuables_helper_spec.rb
@@ -306,6 +306,38 @@ RSpec.describe IssuablesHelper do
     end
   end
 
+  describe '#reviewer_sidebar_data' do
+    let(:user) { create(:user) }
+
+    subject { helper.reviewer_sidebar_data(user, merge_request: merge_request) }
+
+    context 'without merge_request' do
+      let(:merge_request) { nil }
+
+      it 'returns hash of reviewer data' do
+        is_expected.to eql({
+          avatar_url: user.avatar_url,
+          name: user.name,
+          username: user.username
+        })
+      end
+    end
+
+    context 'with merge_request' do
+      let(:merge_request) { build(:merge_request) }
+
+      where(can_merge: [true, false])
+
+      with_them do
+        before do
+          allow(merge_request).to receive(:can_be_merged_by?).and_return(can_merge)
+        end
+
+        it { is_expected.to include({ can_merge: can_merge })}
+      end
+    end
+  end
+
   describe '#issuable_squash_option?' do
     using RSpec::Parameterized::TableSyntax
 
diff --git a/spec/lib/gitlab/usage_data_counters/editor_unique_counter_spec.rb b/spec/lib/gitlab/usage_data_counters/editor_unique_counter_spec.rb
index 2a674557b76..f2c1d8718d7 100644
--- a/spec/lib/gitlab/usage_data_counters/editor_unique_counter_spec.rb
+++ b/spec/lib/gitlab/usage_data_counters/editor_unique_counter_spec.rb
@@ -41,11 +41,11 @@ RSpec.describe Gitlab::UsageDataCounters::EditorUniqueCounter, :clean_gitlab_red
   context 'for web IDE edit actions' do
     it_behaves_like 'tracks and counts action' do
       def track_action(params)
-        described_class.track_web_ide_edit_action(params)
+        described_class.track_web_ide_edit_action(**params)
       end
 
       def count_unique(params)
-        described_class.count_web_ide_edit_actions(params)
+        described_class.count_web_ide_edit_actions(**params)
       end
     end
   end
@@ -53,11 +53,11 @@ RSpec.describe Gitlab::UsageDataCounters::EditorUniqueCounter, :clean_gitlab_red
   context 'for SFE edit actions' do
     it_behaves_like 'tracks and counts action' do
       def track_action(params)
-        described_class.track_sfe_edit_action(params)
+        described_class.track_sfe_edit_action(**params)
       end
 
       def count_unique(params)
-        described_class.count_sfe_edit_actions(params)
+        described_class.count_sfe_edit_actions(**params)
       end
     end
   end
@@ -65,11 +65,11 @@ RSpec.describe Gitlab::UsageDataCounters::EditorUniqueCounter, :clean_gitlab_red
   context 'for snippet editor edit actions' do
     it_behaves_like 'tracks and counts action' do
       def track_action(params)
-        described_class.track_snippet_editor_edit_action(params)
+        described_class.track_snippet_editor_edit_action(**params)
       end
 
       def count_unique(params)
-        described_class.count_snippet_editor_edit_actions(params)
+        described_class.count_snippet_editor_edit_actions(**params)
       end
     end
   end
diff --git a/spec/lib/gitlab/usage_data_counters/track_unique_events_spec.rb b/spec/lib/gitlab/usage_data_counters/track_unique_events_spec.rb
index 8f5f1347ce8..d1144dd0bc5 100644
--- a/spec/lib/gitlab/usage_data_counters/track_unique_events_spec.rb
+++ b/spec/lib/gitlab/usage_data_counters/track_unique_events_spec.rb
@@ -8,11 +8,11 @@ RSpec.describe Gitlab::UsageDataCounters::TrackUniqueEvents, :clean_gitlab_redis
   let(:time) { Time.zone.now }
 
   def track_event(params)
-    track_unique_events.track_event(params)
+    track_unique_events.track_event(**params)
   end
 
   def count_unique(params)
-    track_unique_events.count_unique_events(params)
+    track_unique_events.count_unique_events(**params)
   end
 
   context 'tracking an event' do
diff --git a/spec/support/helpers/wiki_helpers.rb b/spec/support/helpers/wiki_helpers.rb
index e59c6bde264..8873a90579d 100644
--- a/spec/support/helpers/wiki_helpers.rb
+++ b/spec/support/helpers/wiki_helpers.rb
@@ -13,16 +13,16 @@ module WikiHelpers
     find('.svg-content .js-lazy-loaded') if example.nil? || example.metadata.key?(:js)
   end
 
-  def upload_file_to_wiki(container, user, file_name)
-    opts = {
+  def upload_file_to_wiki(wiki, user, file_name)
+    params = {
       file_name: file_name,
       file_content: File.read(expand_fixture_path(file_name))
      }
 
     ::Wikis::CreateAttachmentService.new(
-      container: container,
+      container: wiki.container,
       current_user: user,
-      params: opts
-    ).execute[:result][:file_path]
+      params: params
+    ).execute.dig(:result, :file_path)
   end
 end
diff --git a/spec/support/shared_examples/controllers/wiki_actions_shared_examples.rb b/spec/support/shared_examples/controllers/wiki_actions_shared_examples.rb
index 4ca400dd87b..1cf31c47df8 100644
--- a/spec/support/shared_examples/controllers/wiki_actions_shared_examples.rb
+++ b/spec/support/shared_examples/controllers/wiki_actions_shared_examples.rb
@@ -226,7 +226,7 @@ RSpec.shared_examples 'wiki controller actions' do
       where(:file_name) { ['dk.png', 'unsanitized.svg', 'git-cheat-sheet.pdf'] }
 
       with_them do
-        let(:id) { upload_file_to_wiki(container, user, file_name) }
+        let(:id) { upload_file_to_wiki(wiki, user, file_name) }
 
         it 'delivers the file with the correct headers' do
           subject
diff --git a/spec/support/shared_examples/features/wiki_file_attachments_shared_examples.rb b/spec/support/shared_examples/features/wiki/file_attachments_shared_examples.rb
index d30e8241da0..0ef1ccdfe57 100644
--- a/spec/support/shared_examples/features/wiki_file_attachments_shared_examples.rb
+++ b/spec/support/shared_examples/features/wiki/file_attachments_shared_examples.rb
@@ -1,14 +1,12 @@
 # frozen_string_literal: true
 
 # Requires a context containing:
-#   project
+#   wiki
 
 RSpec.shared_examples 'wiki file attachments' do
   include DropzoneHelper
 
   context 'uploading attachments', :js do
-    let(:wiki) { project.wiki }
-
     def attach_with_dropzone(wait = false)
       dropzone_file([Rails.root.join('spec', 'fixtures', 'dk.png')], 0, wait)
     end
diff --git a/spec/support/shared_examples/features/wiki/user_creates_wiki_page_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_creates_wiki_page_shared_examples.rb
new file mode 100644
index 00000000000..44d82d2e753
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_creates_wiki_page_shared_examples.rb
@@ -0,0 +1,245 @@
+# frozen_string_literal: true
+
+# Requires a context containing:
+#   wiki
+#   user
+
+RSpec.shared_examples 'User creates wiki page' do
+  include WikiHelpers
+
+  before do
+    sign_in(user)
+  end
+
+  context "when wiki is empty" do
+    before do |example|
+      visit wiki_path(wiki)
+
+      wait_for_svg_to_be_loaded(example)
+
+      click_link "Create your first page"
+    end
+
+    it "shows validation error message" do
+      page.within(".wiki-form") do
+        fill_in(:wiki_content, with: "")
+
+        click_on("Create page")
+      end
+
+      expect(page).to have_content("The form contains the following error:").and have_content("Content can't be blank")
+
+      page.within(".wiki-form") do
+        fill_in(:wiki_content, with: "[link test](test)")
+
+        click_on("Create page")
+      end
+
+      expect(page).to have_content("Home").and have_content("link test")
+
+      click_link("link test")
+
+      expect(page).to have_content("Create New Page")
+    end
+
+    it "shows non-escaped link in the pages list" do
+      fill_in(:wiki_title, with: "one/two/three-test")
+
+      page.within(".wiki-form") do
+        fill_in(:wiki_content, with: "wiki content")
+
+        click_on("Create page")
+      end
+
+      expect(current_path).to include("one/two/three-test")
+      expect(page).to have_link(href: wiki_page_path(wiki, 'one/two/three-test'))
+    end
+
+    it "has `Create home` as a commit message", :js do
+      wait_for_requests
+
+      expect(page).to have_field("wiki[message]", with: "Create home")
+    end
+
+    it "creates a page from the home page" do
+      fill_in(:wiki_content, with: "[test](test)\n[GitLab API doc](api)\n[Rake tasks](raketasks)\n# Wiki header\n")
+      fill_in(:wiki_message, with: "Adding links to wiki")
+
+      page.within(".wiki-form") do
+        click_button("Create page")
+      end
+
+      expect(current_path).to eq(wiki_page_path(wiki, "home"))
+      expect(page).to have_content("test GitLab API doc Rake tasks Wiki header")
+                  .and have_content("Home")
+                  .and have_content("Last edited by #{user.name}")
+                  .and have_header_with_correct_id_and_link(1, "Wiki header", "wiki-header")
+
+      click_link("test")
+
+      expect(current_path).to eq(wiki_page_path(wiki, "test"))
+
+      page.within(:css, ".nav-text") do
+        expect(page).to have_content("Create New Page")
+      end
+
+      click_link("Home")
+
+      expect(current_path).to eq(wiki_page_path(wiki, "home"))
+
+      click_link("GitLab API")
+
+      expect(current_path).to eq(wiki_page_path(wiki, "api"))
+
+      page.within(:css, ".nav-text") do
+        expect(page).to have_content("Create")
+      end
+
+      click_link("Home")
+
+      expect(current_path).to eq(wiki_page_path(wiki, "home"))
+
+      click_link("Rake tasks")
+
+      expect(current_path).to eq(wiki_page_path(wiki, "raketasks"))
+
+      page.within(:css, ".nav-text") do
+        expect(page).to have_content("Create")
+      end
+    end
+
+    it "creates ASCII wiki with LaTeX blocks", :js do
+      stub_application_setting(plantuml_url: "http://localhost", plantuml_enabled: true)
+
+      ascii_content = <<~MD
+        :stem: latexmath
+
+        [stem]
+        ++++
+        \\sqrt{4} = 2
+        ++++
+
+        another part
+
+        [latexmath]
+        ++++
+        \\beta_x \\gamma
+        ++++
+
+        stem:[2+2] is 4
+      MD
+
+      find("#wiki_format option[value=asciidoc]").select_option
+
+      fill_in(:wiki_content, with: ascii_content)
+
+      page.within(".wiki-form") do
+        click_button("Create page")
+      end
+
+      page.within ".md" do
+        expect(page).to have_selector(".katex", count: 3).and have_content("2+2 is 4")
+      end
+    end
+
+    it 'creates a wiki page with Org markup', :aggregate_failures do
+      org_content = <<~ORG
+        * Heading
+        ** Subheading
+        [[home][Link to Home]]
+      ORG
+
+      page.within('.wiki-form') do
+        find('#wiki_format option[value=org]').select_option
+        fill_in(:wiki_content, with: org_content)
+        click_button('Create page')
+      end
+
+      expect(page).to have_selector('h1', text: 'Heading')
+      expect(page).to have_selector('h2', text: 'Subheading')
+      expect(page).to have_link(href: wiki_page_path(wiki, 'home'))
+    end
+
+    it_behaves_like 'wiki file attachments'
+  end
+
+  context "when wiki is not empty", :js do
+    before do
+      create(:wiki_page, wiki: wiki, title: 'home', content: 'Home page')
+
+      visit wiki_path(wiki)
+    end
+
+    context "via the `new wiki page` page" do
+      it "creates a page with a single word" do
+        click_link("New page")
+
+        page.within(".wiki-form") do
+          fill_in(:wiki_title, with: "foo")
+          fill_in(:wiki_content, with: "My awesome wiki!")
+        end
+
+        # Commit message field should have correct value.
+        expect(page).to have_field("wiki[message]", with: "Create foo")
+
+        click_button("Create page")
+
+        expect(page).to have_content("foo")
+                    .and have_content("Last edited by #{user.name}")
+                    .and have_content("My awesome wiki!")
+      end
+
+      it "creates a page with spaces in the name" do
+        click_link("New page")
+
+        page.within(".wiki-form") do
+          fill_in(:wiki_title, with: "Spaces in the name")
+          fill_in(:wiki_content, with: "My awesome wiki!")
+        end
+
+        # Commit message field should have correct value.
+        expect(page).to have_field("wiki[message]", with: "Create Spaces in the name")
+
+        click_button("Create page")
+
+        expect(page).to have_content("Spaces in the name")
+                    .and have_content("Last edited by #{user.name}")
+                    .and have_content("My awesome wiki!")
+      end
+
+      it "creates a page with hyphens in the name" do
+        click_link("New page")
+
+        page.within(".wiki-form") do
+          fill_in(:wiki_title, with: "hyphens-in-the-name")
+          fill_in(:wiki_content, with: "My awesome wiki!")
+        end
+
+        # Commit message field should have correct value.
+        expect(page).to have_field("wiki[message]", with: "Create hyphens in the name")
+
+        page.within(".wiki-form") do
+          fill_in(:wiki_content, with: "My awesome wiki!")
+
+          click_button("Create page")
+        end
+
+        expect(page).to have_content("hyphens in the name")
+                    .and have_content("Last edited by #{user.name}")
+                    .and have_content("My awesome wiki!")
+      end
+    end
+
+    it "shows the emoji autocompletion dropdown" do
+      click_link("New page")
+
+      page.within(".wiki-form") do
+        find("#wiki_content").native.send_keys("")
+
+        fill_in(:wiki_content, with: ":")
+      end
+
+      expect(page).to have_selector(".atwho-view")
+    end
+  end
+end
diff --git a/spec/support/shared_examples/features/wiki/user_deletes_wiki_page_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_deletes_wiki_page_shared_examples.rb
new file mode 100644
index 00000000000..e1fd9c8dbec
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_deletes_wiki_page_shared_examples.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+# Requires a context containing:
+#   wiki
+#   user
+
+RSpec.shared_examples 'User deletes wiki page' do
+  include WikiHelpers
+
+  let(:wiki_page) { create(:wiki_page, wiki: wiki) }
+
+  before do
+    sign_in(user)
+    visit wiki_page_path(wiki, wiki_page)
+  end
+
+  it 'deletes a page', :js do
+    click_on('Edit')
+    click_on('Delete')
+    find('.modal-footer .btn-danger').click
+
+    expect(page).to have_content('Page was successfully deleted')
+  end
+end
diff --git a/spec/support/shared_examples/features/wiki/user_previews_wiki_changes_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_previews_wiki_changes_shared_examples.rb
new file mode 100644
index 00000000000..cf6ae6cfa5b
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_previews_wiki_changes_shared_examples.rb
@@ -0,0 +1,110 @@
+# frozen_string_literal: true
+
+# Requires a context containing:
+#   wiki
+#   user
+
+RSpec.shared_examples 'User previews wiki changes' do
+  let(:wiki_page) { build(:wiki_page, wiki: wiki) }
+
+  before do
+    sign_in(user)
+  end
+
+  shared_examples 'relative links' do
+    let_it_be(:page_content) do
+      <<~HEREDOC
+        Some text so key event for [ does not trigger an incorrect replacement.
+        [regular link](regular)
+        [relative link 1](../relative)
+        [relative link 2](./relative)
+        [relative link 3](./e/f/relative)
+        [spaced link](title with spaces)
+      HEREDOC
+    end
+
+    def relative_path(path)
+      (Pathname.new(wiki.wiki_base_path) + File.dirname(wiki_page.path).tr(' ', '-') + path).to_s
+    end
+
+    shared_examples "rewrites relative links" do
+      specify do
+        expect(element).to have_link('regular link',    href: wiki.wiki_base_path + '/regular')
+        expect(element).to have_link('spaced link',     href: wiki.wiki_base_path + '/title%20with%20spaces')
+
+        expect(element).to have_link('relative link 1', href: relative_path('../relative'))
+        expect(element).to have_link('relative link 2', href: relative_path('./relative'))
+        expect(element).to have_link('relative link 3', href: relative_path('./e/f/relative'))
+      end
+    end
+
+    context "when there are no spaces or hyphens in the page name" do
+      let(:wiki_page) { build(:wiki_page, wiki: wiki, title: 'a/b/c/d', content: page_content) }
+
+      it_behaves_like 'rewrites relative links'
+    end
+
+    context "when there are spaces in the page name" do
+      let(:wiki_page) { build(:wiki_page, wiki: wiki, title: 'a page/b page/c page/d page', content: page_content) }
+
+      it_behaves_like 'rewrites relative links'
+    end
+
+    context "when there are hyphens in the page name" do
+      let(:wiki_page) { build(:wiki_page, wiki: wiki, title: 'a-page/b-page/c-page/d-page', content: page_content) }
+
+      it_behaves_like 'rewrites relative links'
+    end
+  end
+
+  context "when rendering a new wiki page", :js do
+    before do
+      wiki_page.create # rubocop:disable Rails/SaveBang
+      visit wiki_page_path(wiki, wiki_page)
+    end
+
+    it_behaves_like 'relative links' do
+      let(:element) { page.find('.js-wiki-page-content') }
+    end
+  end
+
+  context "when previewing an existing wiki page", :js do
+    let(:preview) { page.find('.md-preview-holder') }
+
+    before do
+      wiki_page.create # rubocop:disable Rails/SaveBang
+      visit wiki_page_path(wiki, wiki_page, action: :edit)
+    end
+
+    it_behaves_like 'relative links' do
+      before do
+        click_on 'Preview'
+      end
+
+      let(:element) { preview }
+    end
+
+    it 'renders content with CommonMark' do
+      fill_in :wiki_content, with: "1. one\n  - sublist\n"
+      click_on "Preview"
+
+      # the above generates two separate lists (not embedded) in CommonMark
+      expect(preview).to have_content("sublist")
+      expect(preview).not_to have_xpath("//ol//li//ul")
+    end
+
+    it "does not linkify double brackets inside code blocks as expected" do
+      fill_in :wiki_content, with: <<-HEREDOC
+        `[[do_not_linkify]]`
+        ```
+        [[also_do_not_linkify]]
+        ```
+      HEREDOC
+      click_on "Preview"
+
+      expect(preview).to have_content("do_not_linkify")
+      expect(preview).to have_content('[[do_not_linkify]]')
+      expect(preview).to have_content('[[also_do_not_linkify]]')
+    end
+  end
+end
diff --git a/spec/support/shared_examples/features/wiki/user_updates_wiki_page_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_updates_wiki_page_shared_examples.rb
new file mode 100644
index 00000000000..fee455207f1
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_updates_wiki_page_shared_examples.rb
@@ -0,0 +1,231 @@
+# frozen_string_literal: true
+
+# Requires a context containing:
+#   wiki
+#   user
+
+RSpec.shared_examples 'User updates wiki page' do
+  include WikiHelpers
+
+  before do
+    sign_in(user)
+  end
+
+  context 'when wiki is empty' do
+    before do |example|
+      visit(wiki_path(wiki))
+
+      wait_for_svg_to_be_loaded(example)
+
+      click_link "Create your first page"
+    end
+
+    it 'redirects back to the home edit page' do
+      page.within(:css, '.wiki-form .form-actions') do
+        click_on('Cancel')
+      end
+
+      expect(current_path).to eq wiki_path(wiki)
+    end
+
+    it 'updates a page that has a path', :js do
+      fill_in(:wiki_title, with: 'one/two/three-test')
+
+      page.within '.wiki-form' do
+        fill_in(:wiki_content, with: 'wiki content')
+        click_on('Create page')
+      end
+
+      expect(current_path).to include('one/two/three-test')
+      expect(find('.wiki-pages')).to have_content('three')
+
+      first(:link, text: 'three').click
+
+      expect(find('.nav-text')).to have_content('three')
+
+      click_on('Edit')
+
+      expect(current_path).to include('one/two/three-test')
+      expect(page).to have_content('Edit Page')
+
+      fill_in('Content', with: 'Updated Wiki Content')
+      click_on('Save changes')
+
+      expect(page).to have_content('Updated Wiki Content')
+    end
+
+    it_behaves_like 'wiki file attachments'
+  end
+
+  context 'when wiki is not empty' do
+    let!(:wiki_page) { create(:wiki_page, wiki: wiki, title: 'home', content: 'Home page') }
+
+    before do
+      visit(wiki_path(wiki))
+
+      click_link('Edit')
+    end
+
+    it 'updates a page', :js do
+      # Commit message field should have correct value.
+      expect(page).to have_field('wiki[message]', with: 'Update home')
+
+      fill_in(:wiki_content, with: 'My awesome wiki!')
+      click_button('Save changes')
+
+      expect(page).to have_content('Home')
+      expect(page).to have_content("Last edited by #{user.name}")
+      expect(page).to have_content('My awesome wiki!')
+    end
+
+    it 'updates the commit message as the title is changed', :js do
+      fill_in(:wiki_title, with: '& < > \ \ { } &')
+
+      expect(page).to have_field('wiki[message]', with: 'Update & < > \ \ { } &')
+    end
+
+    it 'correctly escapes the commit message entities', :js do
+      fill_in(:wiki_title, with: 'Wiki title')
+
+      expect(page).to have_field('wiki[message]', with: 'Update Wiki title')
+    end
+
+    it 'shows a validation error message' do
+      fill_in(:wiki_content, with: '')
+      click_button('Save changes')
+
+      expect(page).to have_selector('.wiki-form')
+      expect(page).to have_content('Edit Page')
+      expect(page).to have_content('The form contains the following error:')
+      expect(page).to have_content("Content can't be blank")
+      expect(find('textarea#wiki_content').value).to eq('')
+    end
+
+    it 'shows the emoji autocompletion dropdown', :js do
+      find('#wiki_content').native.send_keys('')
+      fill_in(:wiki_content, with: ':')
+
+      expect(page).to have_selector('.atwho-view')
+    end
+
+    it 'shows the error message' do
+      wiki_page.update(content: 'Update') # rubocop:disable Rails/SaveBang
+
+      click_button('Save changes')
+
+      expect(page).to have_content('Someone edited the page the same time you did.')
+    end
+
+    it 'updates a page' do
+      fill_in('Content', with: 'Updated Wiki Content')
+      click_on('Save changes')
+
+      expect(page).to have_content('Updated Wiki Content')
+    end
+
+    it 'cancels editing of a page' do
+      page.within(:css, '.wiki-form .form-actions') do
+        click_on('Cancel')
+      end
+
+      expect(current_path).to eq(wiki_page_path(wiki, wiki_page))
+    end
+
+    it_behaves_like 'wiki file attachments'
+  end
+
+  context 'when the page is in a subdir' do
+    let(:page_name) { 'page_name' }
+    let(:page_dir) { "foo/bar/#{page_name}" }
+    let!(:wiki_page) { create(:wiki_page, wiki: wiki, title: page_dir, content: 'Home page') }
+
+    before do
+      visit wiki_page_path(wiki, wiki_page, action: :edit)
+    end
+
+    it 'moves the page to the root folder' do
+      fill_in(:wiki_title, with: "/#{page_name}")
+
+      click_button('Save changes')
+
+      expect(current_path).to eq(wiki_page_path(wiki, page_name))
+    end
+
+    it 'moves the page to other dir' do
+      new_page_dir = "foo1/bar1/#{page_name}"
+
+      fill_in(:wiki_title, with: new_page_dir)
+
+      click_button('Save changes')
+
+      expect(current_path).to eq(wiki_page_path(wiki, new_page_dir))
+    end
+
+    it 'remains in the same place if title has not changed' do
+      original_path = wiki_page_path(wiki, wiki_page)
+
+      fill_in(:wiki_title, with: page_name)
+
+      click_button('Save changes')
+
+      expect(current_path).to eq(original_path)
+    end
+
+    it 'can be moved to a different dir with a different name' do
+      new_page_dir = "foo1/bar1/new_page_name"
+
+      fill_in(:wiki_title, with: new_page_dir)
+
+      click_button('Save changes')
+
+      expect(current_path).to eq(wiki_page_path(wiki, new_page_dir))
+    end
+
+    it 'can be renamed and moved to the root folder' do
+      new_name = 'new_page_name'
+
+      fill_in(:wiki_title, with: "/#{new_name}")
+
+      click_button('Save changes')
+
+      expect(current_path).to eq(wiki_page_path(wiki, new_name))
+    end
+
+    it 'squishes the title before creating the page' do
+      new_page_dir = "  foo1 /  bar1  /  #{page_name}  "
+
+      fill_in(:wiki_title, with: new_page_dir)
+
+      click_button('Save changes')
+
+      expect(current_path).to eq(wiki_page_path(wiki, "foo1/bar1/#{page_name}"))
+    end
+
+    it_behaves_like 'wiki file attachments'
+  end
+
+  context 'when an existing page exceeds the content size limit' do
+    let!(:wiki_page) { create(:wiki_page, wiki: wiki, content: "one\ntwo\nthree") }
+
+    before do
+      stub_application_setting(wiki_page_max_content_bytes: 10)
+
+      visit wiki_page_path(wiki_page.wiki, wiki_page, action: :edit)
+    end
+
+    it 'allows changing the title if the content does not change' do
+      fill_in 'Title', with: 'new title'
+      click_on 'Save changes'
+
+      expect(page).to have_content('Wiki was successfully updated.')
+    end
+
+    it 'shows a validation error when trying to change the content' do
+      fill_in 'Content', with: 'new content'
+      click_on 'Save changes'
+
+      expect(page).to have_content('The form contains the following error:')
+      expect(page).to have_content('Content is too long (11 Bytes). The maximum size is 10 Bytes.')
+    end
+  end
+end
diff --git a/spec/support/shared_examples/features/wiki/user_uses_wiki_shortcuts_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_uses_wiki_shortcuts_shared_examples.rb
new file mode 100644
index 00000000000..0330b345a18
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_uses_wiki_shortcuts_shared_examples.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+# Requires a context containing:
+#   wiki
+#   user
+
+RSpec.shared_examples 'User uses wiki shortcuts' do
+  let(:wiki_page) { create(:wiki_page, wiki: wiki, title: 'home', content: 'Home page') }
+
+  before do
+    sign_in(user)
+    visit wiki_page_path(wiki, wiki_page)
+  end
+
+  it 'Visit edit wiki page using "e" keyboard shortcut', :js do
+    find('body').native.send_key('e')
+
+    expect(find('.wiki-page-title')).to have_content('Edit Page')
+  end
+end
diff --git a/spec/features/projects/wiki/users_views_asciidoc_page_with_includes_spec.rb b/spec/support/shared_examples/features/wiki/user_views_asciidoc_page_with_includes_shared_examples.rb
index 5c45e34595f..3b2fda4e05b 100644
--- a/spec/features/projects/wiki/users_views_asciidoc_page_with_includes_spec.rb
+++ b/spec/support/shared_examples/features/wiki/user_views_asciidoc_page_with_includes_shared_examples.rb
@@ -1,11 +1,7 @@
 # frozen_string_literal: true
 
-require 'spec_helper'
-
-RSpec.describe 'User views AsciiDoc page with includes', :js do
-  let_it_be(:user) { create(:user) }
+RSpec.shared_examples 'User views AsciiDoc page with includes' do
   let_it_be(:wiki_content_selector) { '[data-qa-selector=wiki_page_content]' }
-  let(:project) { create(:project, :public, :wiki_repo) }
   let!(:included_wiki_page) { create_wiki_page('included_page', content: 'Content from the included page')}
   let!(:wiki_page) { create_wiki_page('home', content: "Content from the main page.\ninclude::included_page.asciidoc[]") }
 
@@ -16,16 +12,16 @@ RSpec.describe 'User views AsciiDoc page with includes', :js do
       format: :asciidoc
     }
 
-    create(:wiki_page, wiki: project.wiki, **attrs)
+    create(:wiki_page, wiki: wiki, **attrs)
   end
 
   before do
     sign_in(user)
   end
 
-  context 'when the file being included exists' do
+  context 'when the file being included exists', :js do
     it 'includes the file contents' do
-      visit(project_wiki_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page))
 
       page.within(:css, wiki_content_selector) do
         expect(page).to have_content('Content from the main page. Content from the included page')
@@ -34,8 +30,10 @@ RSpec.describe 'User views AsciiDoc page with includes', :js do
 
     context 'when there are multiple versions of the wiki pages' do
       before do
+        # rubocop:disable Rails/SaveBang
         included_wiki_page.update(message: 'updated included file', content: 'Updated content from the included page')
         wiki_page.update(message: 'updated wiki page', content: "Updated content from the main page.\ninclude::included_page.asciidoc[]")
+        # rubocop:enable Rails/SaveBang
       end
 
       let(:latest_version_id) { wiki_page.versions.first.id }
@@ -43,7 +41,7 @@ RSpec.describe 'User views AsciiDoc page with includes', :js do
 
       context 'viewing the latest version' do
         it 'includes the latest content' do
-          visit(project_wiki_path(project, wiki_page, version_id: latest_version_id))
+          visit(wiki_page_path(wiki, wiki_page, version_id: latest_version_id))
 
           page.within(:css, wiki_content_selector) do
             expect(page).to have_content('Updated content from the main page. Updated content from the included page')
@@ -53,7 +51,7 @@ RSpec.describe 'User views AsciiDoc page with includes', :js do
 
       context 'viewing the original version' do
         it 'includes the content from the original version' do
-          visit(project_wiki_path(project, wiki_page, version_id: oldest_version_id))
+          visit(wiki_page_path(wiki, wiki_page, version_id: oldest_version_id))
 
           page.within(:css, wiki_content_selector) do
             expect(page).to have_content('Content from the main page. Content from the included page')
@@ -63,13 +61,13 @@ RSpec.describe 'User views AsciiDoc page with includes', :js do
     end
   end
 
-  context 'when the file being included does not exist' do
+  context 'when the file being included does not exist', :js do
     before do
       included_wiki_page.delete
     end
 
     it 'outputs an error' do
-      visit(project_wiki_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page))
 
       page.within(:css, wiki_content_selector) do
         expect(page).to have_content('Content from the main page. [ERROR: include::included_page.asciidoc[] - unresolved directive]')
diff --git a/spec/support/shared_examples/features/wiki/user_views_wiki_empty_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_views_wiki_empty_shared_examples.rb
new file mode 100644
index 00000000000..d7f5b485a82
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_views_wiki_empty_shared_examples.rb
@@ -0,0 +1,62 @@
+# frozen_string_literal: true
+
+# Requires a context containing:
+#   wiki
+
+RSpec.shared_examples 'User views empty wiki' do
+  let(:element) { page.find('.row.empty-state') }
+  let(:container_name) { wiki.container.class.name.humanize(capitalize: false) }
+  let(:confluence_link) { 'Enable the Confluence Wiki integration' }
+
+  shared_examples 'wiki is not found' do
+    it 'shows an error message' do
+      visit wiki_path(wiki)
+
+      if @current_user
+        expect(page).to have_content('Page Not Found')
+      else
+        expect(page).to have_content('You need to sign in')
+      end
+    end
+  end
+
+  shared_examples 'empty wiki message' do |writable: false, issuable: false, confluence: false|
+    # This mirrors the logic in:
+    # - app/views/shared/empty_states/_wikis.html.haml
+    # - WikiHelper#wiki_empty_state_messages
+    it 'shows the empty state message with the expected elements' do
+      visit wiki_path(wiki)
+
+      if writable
+        expect(element).to have_content("The wiki lets you write documentation for your #{container_name}")
+      else
+        expect(element).to have_content("This #{container_name} has no wiki pages")
+        expect(element).to have_content("You must be a #{container_name} member")
+      end
+
+      if issuable && !writable
+        expect(element).to have_content("improve the wiki for this #{container_name}")
+        expect(element).to have_link("issue tracker", href: project_issues_path(project))
+        expect(element).to have_link("Suggest wiki improvement", href: new_project_issue_path(project))
+      else
+        expect(element).not_to have_content("improve the wiki for this #{container_name}")
+        expect(element).not_to have_link("issue tracker")
+        expect(element).not_to have_link("Suggest wiki improvement")
+      end
+
+      if confluence
+        expect(element).to have_link(confluence_link)
+      else
+        expect(element).not_to have_link(confluence_link)
+      end
+
+      if writable
+        element.click_link 'Create your first page'
+
+        expect(page).to have_button('Create page')
+      else
+        expect(element).not_to have_link('Create your first page')
+      end
+    end
+  end
+end
diff --git a/spec/features/projects/wiki/user_views_wiki_page_spec.rb b/spec/support/shared_examples/features/wiki/user_views_wiki_page_shared_examples.rb
index e93689af0aa..40998ebde4c 100644
--- a/spec/features/projects/wiki/user_views_wiki_page_spec.rb
+++ b/spec/support/shared_examples/features/wiki/user_views_wiki_page_shared_examples.rb
@@ -1,14 +1,13 @@
 # frozen_string_literal: true
 
-require 'spec_helper'
+# Requires a context containing:
+#   wiki
+#   user
 
-RSpec.describe 'User views a wiki page' do
+RSpec.shared_examples 'User views a wiki page' do
   include WikiHelpers
 
-  let(:user) { create(:user) }
-  let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
   let(:path) { 'image.png' }
-  let(:wiki) { project.wiki }
   let(:wiki_page) do
     create(:wiki_page,
            wiki: wiki,
@@ -16,13 +15,12 @@ RSpec.describe 'User views a wiki page' do
   end
 
   before do
-    project.add_maintainer(user)
     sign_in(user)
   end
 
   context 'when wiki is empty', :js do
     before do
-      visit project_wikis_path(project)
+      visit wiki_path(wiki)
 
       wait_for_svg_to_be_loaded
 
@@ -83,7 +81,7 @@ RSpec.describe 'User views a wiki page' do
 
   context 'when a page does not have history' do
     before do
-      visit(project_wiki_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page))
     end
 
     it 'shows all the pages' do
@@ -92,7 +90,7 @@ RSpec.describe 'User views a wiki page' do
     end
 
     context 'shows a file stored in a page' do
-      let(:path) { upload_file_to_wiki(project, user, 'dk.png') }
+      let(:path) { upload_file_to_wiki(wiki, user, 'dk.png') }
 
       it do
         expect(page).to have_xpath("//img[@data-src='#{wiki.wiki_base_path}/#{path}']")
@@ -121,7 +119,7 @@ RSpec.describe 'User views a wiki page' do
     end
 
     it 'shows the page history' do
-      visit(project_wiki_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page))
 
       expect(page).to have_selector('a.btn', text: 'Edit')
 
@@ -133,12 +131,16 @@ RSpec.describe 'User views a wiki page' do
     end
 
     it 'does not show the "Edit" button' do
-      visit(project_wiki_path(project, wiki_page, version_id: wiki_page.versions.last.id))
+      visit(wiki_page_path(wiki, wiki_page, version_id: wiki_page.versions.last.id))
 
       expect(page).not_to have_selector('a.btn', text: 'Edit')
     end
 
     context 'show the diff' do
+      before do
+        skip('Diffing for group wikis will be implemented in https://gitlab.com/gitlab-org/gitlab/-/merge_requests/42610') if wiki.container.is_a?(Group)
+      end
+
       def expect_diff_links(commit)
         diff_path = wiki_page_path(wiki, wiki_page, version_id: commit, action: :diff)
 
@@ -150,7 +152,7 @@ RSpec.describe 'User views a wiki page' do
       end
 
       it 'links to the correct diffs' do
-        visit project_wiki_history_path(project, wiki_page)
+        visit wiki_page_path(wiki, wiki_page, action: :history)
 
         commit1 = wiki.commit('HEAD^')
         commit2 = wiki.commit
@@ -208,7 +210,7 @@ RSpec.describe 'User views a wiki page' do
     end
 
     it 'preserves the special characters' do
-      visit(project_wiki_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page))
 
       expect(page).to have_css('.wiki-page-title', text: title)
       expect(page).to have_css('.wiki-pages li', text: title)
@@ -223,7 +225,7 @@ RSpec.describe 'User views a wiki page' do
     end
 
     it 'safely displays the page' do
-      visit(project_wiki_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page))
 
       expect(page).to have_css('.wiki-page-title', text: title)
       expect(page).to have_content('foo bar')
@@ -236,7 +238,7 @@ RSpec.describe 'User views a wiki page' do
     end
 
     it 'safely displays the message' do
-      visit(project_wiki_history_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page, action: :history))
 
       expect(page).to have_content('<script>alert(true)<script>')
     end
@@ -248,7 +250,7 @@ RSpec.describe 'User views a wiki page' do
     before do
       allow(Gitlab::EncodingHelper).to receive(:encode!).and_return(content)
 
-      visit(project_wiki_path(project, wiki_page))
+      visit(wiki_page_path(wiki, wiki_page))
     end
 
     it 'does not show "Edit" button' do
@@ -263,7 +265,7 @@ RSpec.describe 'User views a wiki page' do
   end
 
   it 'opens a default wiki page', :js do
-    visit project_path(project)
+    visit wiki.container.web_url
 
     find('.shortcuts-wiki').click
 
diff --git a/spec/features/projects/wiki/user_views_wiki_pages_spec.rb b/spec/support/shared_examples/features/wiki/user_views_wiki_pages_shared_examples.rb
index 4f29ae0cc8a..314c2074eee 100644
--- a/spec/features/projects/wiki/user_views_wiki_pages_spec.rb
+++ b/spec/support/shared_examples/features/wiki/user_views_wiki_pages_shared_examples.rb
@@ -1,23 +1,22 @@
 # frozen_string_literal: true
 
-require 'spec_helper'
+# Requires a context containing:
+#   wiki
+#   user
 
-RSpec.describe 'User views wiki pages' do
+RSpec.shared_examples 'User views wiki pages' do
   include WikiHelpers
 
-  let(:user) { create(:user) }
-  let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
-
   let!(:wiki_page1) do
-    create(:wiki_page, wiki: project.wiki, title: '3 home', content: '3')
+    create(:wiki_page, wiki: wiki, title: '3 home', content: '3')
   end
 
   let!(:wiki_page2) do
-    create(:wiki_page, wiki: project.wiki, title: '1 home', content: '1')
+    create(:wiki_page, wiki: wiki, title: '1 home', content: '1')
   end
 
   let!(:wiki_page3) do
-    create(:wiki_page, wiki: project.wiki, title: '2 home', content: '2')
+    create(:wiki_page, wiki: wiki, title: '2 home', content: '2')
   end
 
   let(:pages) do
@@ -25,9 +24,8 @@ RSpec.describe 'User views wiki pages' do
   end
 
   before do
-    project.add_maintainer(user)
     sign_in(user)
-    visit(project_wikis_pages_path(project))
+    visit(wiki_path(wiki, action: :pages))
   end
 
   context 'ordered by title' do
diff --git a/spec/support/shared_examples/features/wiki/user_views_wiki_sidebar_shared_examples.rb b/spec/support/shared_examples/features/wiki/user_views_wiki_sidebar_shared_examples.rb
new file mode 100644
index 00000000000..a7ba7a8ad07
--- /dev/null
+++ b/spec/support/shared_examples/features/wiki/user_views_wiki_sidebar_shared_examples.rb
@@ -0,0 +1,68 @@
+# frozen_string_literal: true
+
+# Requires a context containing:
+#   wiki
+#   user
+
+RSpec.shared_examples 'User views wiki sidebar' do
+  include WikiHelpers
+
+  before do
+    sign_in(user)
+  end
+
+  context 'when there are some existing pages' do
+    before do
+      create(:wiki_page, wiki: wiki, title: 'home', content: 'home')
+      create(:wiki_page, wiki: wiki, title: 'another', content: 'another')
+    end
+
+    it 'renders a default sidebar when there is no customized sidebar' do
+      visit wiki_path(wiki)
+
+      expect(page).to have_content('another')
+      expect(page).not_to have_link('View All Pages')
+    end
+
+    context 'when there is a customized sidebar' do
+      before do
+        create(:wiki_page, wiki: wiki, title: '_sidebar', content: 'My customized sidebar')
+      end
+
+      it 'renders my customized sidebar instead of the default one' do
+        visit wiki_path(wiki)
+
+        expect(page).to have_content('My customized sidebar')
+        expect(page).not_to have_content('Another')
+      end
+    end
+  end
+
+  context 'when there are 15 existing pages' do
+    before do
+      (1..5).each { |i| create(:wiki_page, wiki: wiki, title: "my page #{i}") }
+      (6..10).each { |i| create(:wiki_page, wiki: wiki, title: "parent/my page #{i}") }
+      (11..15).each { |i| create(:wiki_page, wiki: wiki, title: "grandparent/parent/my page #{i}") }
+    end
+
+    it 'shows all pages in the sidebar' do
+      visit wiki_path(wiki)
+
+      (1..15).each { |i| expect(page).to have_content("my page #{i}") }
+      expect(page).not_to have_link('View All Pages')
+    end
+
+    context 'when there are more than 15 existing pages' do
+      before do
+        create(:wiki_page, wiki: wiki, title: 'my page 16')
+      end
+
+      it 'shows the first 15 pages in the sidebar' do
+        visit wiki_path(wiki)
+
+        expect(page).to have_text('my page', count: 15)
+        expect(page).to have_link('View All Pages')
+      end
+    end
+  end
+end