Clean up wiki model specs

- Simplify `WikiPage` factory, and make it behave correctly with all
  builder strategies.
- Prefer factories and remove custom `create_page` helpers.
- Add some missing specs for `WikiPage`.
- Remove unused helpers.

ee/spec/requests/api/search_spec.rb

@@ -38,7 +38,7 @@ describe API::Search do
     context 'for wiki_blobs scope', :sidekiq_might_not_need_inline do
       before do
         wiki = create(:project_wiki, project: project)
-        create(:wiki_page, wiki: wiki, attrs: { title: 'home', content: "Awesome page" })
+        create(:wiki_page, wiki: wiki, title: 'home', content: "Awesome page")
 
         project.wiki.index_wiki_blobs
         ensure_elasticsearch_index!
@@ -183,7 +183,7 @@ describe API::Search do
       context 'for wiki_blobs scope' do
         before do
           wiki = create(:project_wiki, project: project)
-          create(:wiki_page, wiki: wiki, attrs: { title: 'home', content: "Awesome page" })
+          create(:wiki_page, wiki: wiki, title: 'home', content: "Awesome page")
 
           get api(endpoint, user), params: { scope: 'wiki_blobs', search: 'awesome' }
         end

spec/controllers/search_controller_spec.rb

@@ -84,7 +84,7 @@ describe SearchController do
       with_them do
         it do
           project_wiki = create(:project_wiki, project: project, user: user)
-          create(:wiki_page, wiki: project_wiki, attrs: { title: 'merge', content: 'merge' })
+          create(:wiki_page, wiki: project_wiki, title: 'merge', content: 'merge')
 
           expect(subject).to render_template("search/results/#{partial}")
         end

spec/factories/wiki_pages.rb

@@ -7,11 +7,17 @@ FactoryBot.define do
     transient do
       title { generate(:wiki_page_title) }
       content { 'Content for wiki page' }
-      format { 'markdown' }
+      format { :markdown }
+      message { nil }
       project { association(:project, :wiki_repo) }
       container { project }
-      attrs do
-        {
+      wiki { association(:wiki, container: container) }
+      page { OpenStruct.new(url_path: title) }
+    end
+
+    initialize_with do
+      new(wiki, page).tap do |page|
+        page.attributes = {
           title: title,
           content: content,
           format: format
@@ -19,25 +25,13 @@ FactoryBot.define do
       end
     end
 
-    page { OpenStruct.new(url_path: 'some-name') }
-    wiki { association(:wiki, container: container) }
-
-    initialize_with { new(wiki, page) }
-
-    before(:create) do |page, evaluator|
-      page.attributes = evaluator.attrs
+    # Clear our default @page, except when using build_stubbed
+    after(:build) do |page|
+      page.instance_variable_set('@page', nil)
     end
 
-    to_create do |page|
-      page.create
-    end
-
-    trait :with_real_page do
-      page do
-        wiki.create_page(title, content)
-        page_title, page_dir = wiki.page_title_and_dir(title)
-        wiki.wiki.page(title: page_title, dir: page_dir, version: nil)
-      end
+    to_create do |page, evaluator|
+      page.create(message: evaluator.message)
     end
   end
 

spec/features/projects/wiki/markdown_preview_spec.rb

@@ -5,7 +5,7 @@ require 'spec_helper'
 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, attrs: { title: 'home', content: '[some link](other-page)' }) }
+  let(:wiki_page) { create(:wiki_page, wiki: project.wiki, title: 'home', content: '[some link](other-page)') }
   let(:wiki_content) do
     <<-HEREDOC
 [regular link](regular)

spec/features/projects/wiki/shortcuts_spec.rb

@@ -5,7 +5,7 @@ require 'spec_helper'
 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, attrs: { title: 'home', content: 'Home page' }) }
+  let(:wiki_page) { create(:wiki_page, wiki: project.wiki, title: 'home', content: 'Home page') }
 
   before do
     sign_in(user)

spec/features/projects/wiki/user_creates_wiki_page_spec.rb

@@ -195,7 +195,7 @@ describe "User creates wiki page" do
 
   context "when wiki is not empty", :js do
     before do
-      create(:wiki_page, wiki: wiki, attrs: { title: 'home', content: 'Home page' })
+      create(:wiki_page, wiki: wiki, title: 'home', content: 'Home page')
 
       visit(project_wikis_path(project))
     end
@@ -304,8 +304,8 @@ describe "User creates wiki page" do
   describe 'sidebar feature' do
     context 'when there are some existing pages' do
       before do
-        create(:wiki_page, wiki: wiki, attrs: { title: 'home', content: 'home' })
-        create(:wiki_page, wiki: wiki, attrs: { title: 'another', content: 'another' })
+        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
@@ -316,7 +316,7 @@ describe "User creates wiki page" do
 
       context 'when there is a customized sidebar' do
         before do
-          create(:wiki_page, wiki: wiki, attrs: { title: '_sidebar', content: 'My customized sidebar' })
+          create(:wiki_page, wiki: wiki, title: '_sidebar', content: 'My customized sidebar')
         end
 
         it 'renders my customized sidebar instead of the default one' do
@@ -330,8 +330,8 @@ describe "User creates wiki page" do
 
     context 'when there are more than 15 existing pages' do
       before do
-        create(:wiki_page, wiki: wiki, attrs: { title: 'home', content: 'home' })
-        (1..14).each { |i| create(:wiki_page, wiki: wiki, attrs: { title: "page-#{i}", content: "page #{i}" }) }
+        create(:wiki_page, wiki: wiki, title: 'home', content: 'home')
+        (1..14).each { |i| create(:wiki_page, wiki: wiki, title: "page-#{i}", content: "page #{i}") }
       end
 
       it 'renders a default sidebar when there is no customized sidebar' do

spec/features/projects/wiki/user_git_access_wiki_page_spec.rb

@@ -5,7 +5,7 @@ require 'spec_helper'
 describe 'Projects > Wiki > User views Git access wiki page' do
   let(:user) { create(:user) }
   let(:project) { create(:project, :wiki_repo, :public) }
-  let(:wiki_page) { create(:wiki_page, wiki: project.wiki, attrs: { title: 'home', content: '[some link](other-page)' }) }
+  let(:wiki_page) { create(:wiki_page, wiki: project.wiki, title: 'home', content: '[some link](other-page)') }
 
   before do
     sign_in(user)

spec/features/projects/wiki/user_updates_wiki_page_spec.rb

@@ -64,7 +64,7 @@ describe 'User updates wiki page' do
 
   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, attrs: { title: 'home', content: 'Home page' }) }
+    let!(:wiki_page) { create(:wiki_page, wiki: project_wiki, title: 'home', content: 'Home page') }
 
     before do
       visit(project_wikis_path(project))
@@ -168,7 +168,7 @@ describe 'User updates wiki page' do
     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, attrs: { title: page_dir, content: 'Home page' }) }
+    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))

spec/features/projects/wiki/user_views_wiki_in_project_page_spec.rb

@@ -21,7 +21,7 @@ describe 'Projects > Wiki > User views wiki in project page' do
 
     context 'when wiki homepage contains a link' do
       before do
-        create(:wiki_page, wiki: project.wiki, attrs: { title: 'home', content: '[some link](other-page)' })
+        create(:wiki_page, wiki: project.wiki, title: 'home', content: '[some link](other-page)')
       end
 
       it 'displays the correct URL for the link' do

spec/features/projects/wiki/user_views_wiki_page_spec.rb

@@ -11,7 +11,7 @@ describe 'User views a wiki page' do
   let(:wiki_page) do
     create(:wiki_page,
            wiki: project.wiki,
-           attrs: { title: 'home', content: "Look at this [image](#{path})\n\n ![alt text](#{path})" })
+           title: 'home', content: "Look at this [image](#{path})\n\n ![alt text](#{path})")
   end
 
   before do

spec/features/projects/wiki/user_views_wiki_pages_spec.rb

@@ -9,13 +9,13 @@ describe 'User views wiki pages' do
   let(:project) { create(:project, :wiki_repo, namespace: user.namespace) }
 
   let!(:wiki_page1) do
-    create(:wiki_page, wiki: project.wiki, attrs: { title: '3 home', content: '3' })
+    create(:wiki_page, wiki: project.wiki, title: '3 home', content: '3')
   end
   let!(:wiki_page2) do
-    create(:wiki_page, wiki: project.wiki, attrs: { title: '1 home', content: '1' })
+    create(:wiki_page, wiki: project.wiki, title: '1 home', content: '1')
   end
   let!(:wiki_page3) do
-    create(:wiki_page, wiki: project.wiki, attrs: { title: '2 home', content: '2' })
+    create(:wiki_page, wiki: project.wiki, title: '2 home', content: '2')
   end
 
   let(:pages) do

spec/features/projects/wiki/users_views_asciidoc_page_with_includes_spec.rb

@@ -16,7 +16,7 @@ describe 'User views AsciiDoc page with includes', :js do
       format: :asciidoc
     }
 
-    create(:wiki_page, wiki: project.wiki, attrs: attrs)
+    create(:wiki_page, wiki: project.wiki, **attrs)
   end
 
   before do

spec/features/search/user_searches_for_wiki_pages_spec.rb

@@ -5,7 +5,7 @@ require 'spec_helper'
 describe 'User searches for wiki pages', :js do
   let(:user) { create(:user) }
   let(:project) { create(:project, :repository, :wiki_repo, namespace: user.namespace) }
-  let!(:wiki_page) { create(:wiki_page, wiki: project.wiki, attrs: { title: 'directory/title', content: 'Some Wiki content' }) }
+  let!(:wiki_page) { create(:wiki_page, wiki: project.wiki, title: 'directory/title', content: 'Some Wiki content') }
 
   before do
     project.add_maintainer(user)

spec/lib/banzai/pipeline/wiki_pipeline_spec.rb

@@ -57,7 +57,7 @@ describe Banzai::Pipeline::WikiPipeline do
     let(:namespace) { create(:namespace, name: "wiki_link_ns") }
     let(:project)   { create(: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')) }
+    let(:page) { build(:wiki_page, wiki: project_wiki, title: '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|
@@ -264,7 +264,7 @@ describe Banzai::Pipeline::WikiPipeline do
     let_it_be(:namespace) { create(:namespace, name: "wiki_link_ns") }
     let_it_be(:project)   { create(:project, :public, name: "wiki_link_project", namespace: namespace) }
     let_it_be(:project_wiki) { ProjectWiki.new(project, double(:user)) }
-    let_it_be(:page) { build(:wiki_page, wiki: project_wiki, page: OpenStruct.new(url_path: 'nested/twice/start-page')) }
+    let_it_be(:page) { build(:wiki_page, wiki: project_wiki, title: 'nested/twice/start-page') }
 
     it 'generates video html structure' do
       markdown = "![video_file](video_file_name.mp4)"

spec/models/blob_viewer/readme_spec.rb

@@ -40,7 +40,7 @@ describe BlobViewer::Readme do
 
       context 'when the wiki is not empty' do
         before do
-          create(:wiki_page, wiki: project.wiki, attrs: { title: 'home', content: 'Home page' })
+          create(:wiki_page, wiki: project.wiki, title: 'home', content: 'Home page')
         end
 
         it 'returns nil' do

spec/models/event_spec.rb

@@ -490,7 +490,7 @@ describe Event do
 
     context 'for a wiki page event' do
       let(:wiki_page) do
-        create(:wiki_page, :with_real_page, project: project)
+        create(:wiki_page, project: project)
       end
 
       subject(:event) { create(:wiki_page_event, project: project, wiki_page: wiki_page) }

spec/models/project_services/microsoft_teams_service_spec.rb

@@ -121,7 +121,7 @@ describe MicrosoftTeamsService do
           message: "user created page: Awesome wiki_page"
         }
       end
-      let(:wiki_page) { create(:wiki_page, wiki: project.wiki, attrs: opts) }
+      let(:wiki_page) { create(:wiki_page, wiki: project.wiki, **opts) }
       let(:wiki_page_sample_data) { Gitlab::DataBuilder::WikiPage.build(wiki_page, user, 'create') }
 
       it "calls Microsoft Teams API" do

spec/models/wiki_page_spec.rb

@@ -6,17 +6,8 @@ describe WikiPage do
   let_it_be(:user) { create(:user) }
   let(:container) { create(:project, :wiki_repo) }
   let(:wiki) { Wiki.for_container(container, user) }
-
-  let(:new_page) do
-    described_class.new(wiki).tap do |page|
-      page.attributes = { title: 'test page', content: 'test content' }
-    end
-  end
-
-  let(:existing_page) do
-    create_page('test page', 'test content')
-    wiki.find_page('test page')
-  end
+  let(:new_page) { build(:wiki_page, wiki: wiki, title: 'test page', content: 'test content') }
+  let(:existing_page) { create(:wiki_page, wiki: wiki, title: 'test page', content: 'test content', message: 'test commit') }
 
   subject { new_page }
 
@@ -41,13 +32,13 @@ describe WikiPage do
 
     context 'when there are pages' do
       before do
-        create_page('dir_1/dir_1_1/page_3', 'content')
-        create_page('page_1', 'content')
-        create_page('dir_1/page_2', 'content')
-        create_page('dir_2', 'page with dir name')
-        create_page('dir_2/page_5', 'content')
-        create_page('page_6', 'content')
-        create_page('dir_2/page_4', 'content')
+        wiki.create_page('dir_1/dir_1_1/page_3', 'content')
+        wiki.create_page('page_1', 'content')
+        wiki.create_page('dir_1/page_2', 'content')
+        wiki.create_page('dir_2', 'page with dir name')
+        wiki.create_page('dir_2/page_5', 'content')
+        wiki.create_page('page_6', 'content')
+        wiki.create_page('dir_2/page_4', 'content')
       end
 
       let(:page_1) { wiki.find_page('page_1') }
@@ -353,7 +344,7 @@ describe WikiPage do
       context 'with an existing page title exceeding the limit' do
         subject do
           title = 'a' * (max_title + 1)
-          create_page(title, 'content')
+          wiki.create_page(title, 'content')
           wiki.find_page(title)
         end
 
@@ -397,6 +388,20 @@ describe WikiPage do
 
         expect(wiki.find_page("Index").message).to eq 'Custom Commit Message'
       end
+
+      it 'if the title is preceded by a / it is removed' do
+        subject.create(attributes.merge(title: '/New Page'))
+
+        expect(wiki.find_page('New Page')).not_to be_nil
+      end
+    end
+
+    context "with invalid attributes" do
+      it 'does not create the page' do
+        subject.create(title: '')
+
+        expect(wiki.find_page('New Page')).to be_nil
+      end
     end
   end
 
@@ -419,14 +424,11 @@ describe WikiPage do
       end
     end
 
-    describe "#update" do
-      subject do
-        create_page(title, "content")
-        wiki.find_page(title)
-      end
+    describe '#update' do
+      subject { create(:wiki_page, wiki: wiki, title: title) }
 
-      it "updates the content of the page" do
-        subject.update(content: "new content")
+      it 'updates the content of the page' do
+        subject.update(content: 'new content')
         page = wiki.find_page(title)
 
         expect([subject.content, page.content]).to all(eq('new content'))
@@ -438,24 +440,6 @@ describe WikiPage do
     end
   end
 
-  describe '#create' do
-    context 'with valid attributes' do
-      it 'raises an error if a page with the same path already exists' do
-        create_page('New Page', 'content')
-        create_page('foo/bar', 'content')
-
-        expect { create_page('New Page', 'other content') }.to raise_error Gitlab::Git::Wiki::DuplicatePageError
-        expect { create_page('foo/bar', 'other content') }.to raise_error Gitlab::Git::Wiki::DuplicatePageError
-      end
-
-      it 'if the title is preceded by a / it is removed' do
-        create_page('/New Page', 'content')
-
-        expect(wiki.find_page('New Page')).not_to be_nil
-      end
-    end
-  end
-
   describe "#update" do
     subject { existing_page }
 
@@ -573,7 +557,7 @@ describe WikiPage do
 
     context 'when renaming a page' do
       it 'raises an error if the page already exists' do
-        create_page('Existing Page', 'content')
+        wiki.create_page('Existing Page', 'content')
 
         expect { subject.update(title: 'Existing Page', content: 'new_content') }.to raise_error(WikiPage::PageRenameError)
         expect(subject.title).to eq 'test page'
@@ -595,7 +579,7 @@ describe WikiPage do
 
     context 'when moving a page' do
       it 'raises an error if the page already exists' do
-        create_page('foo/Existing Page', 'content')
+        wiki.create_page('foo/Existing Page', 'content')
 
         expect { subject.update(title: 'foo/Existing Page', content: 'new_content') }.to raise_error(WikiPage::PageRenameError)
         expect(subject.title).to eq 'test page'
@@ -615,10 +599,7 @@ describe WikiPage do
       end
 
       context 'in subdir' do
-        subject do
-          create_page('foo/Existing Page', 'content')
-          wiki.find_page('foo/Existing Page')
-        end
+        subject { create(:wiki_page, wiki: wiki, title: 'foo/Existing Page') }
 
         it 'moves the page to the root folder if the title is preceded by /' do
           expect(subject.slug).to eq 'foo/Existing-Page'
@@ -656,7 +637,7 @@ describe WikiPage do
     end
   end
 
-  describe "#destroy" do
+  describe "#delete" do
     subject { existing_page }
 
     it "deletes the page" do
@@ -688,10 +669,7 @@ describe WikiPage do
     using RSpec::Parameterized::TableSyntax
 
     let(:untitled_page) { described_class.new(wiki) }
-    let(:directory_page) do
-      create_page('parent directory/child page', 'test content')
-      wiki.find_page('parent directory/child page')
-    end
+    let(:directory_page) { create(:wiki_page, title: 'parent directory/child page') }
 
     where(:page, :title, :changed) do
       :untitled_page  | nil                             | false
@@ -754,10 +732,7 @@ describe WikiPage do
     end
 
     context 'when the page is inside an actual directory' do
-      subject do
-        create_page('dir_1/dir_1_1/file', 'content')
-        wiki.find_page('dir_1/dir_1_1/file')
-      end
+      subject { create(:wiki_page, title: 'dir_1/dir_1_1/file') }
 
       it 'returns the full directory hierarchy' do
         expect(subject.directory).to eq('dir_1/dir_1_1')
@@ -804,6 +779,16 @@ describe WikiPage do
     end
   end
 
+  describe '#persisted?' do
+    it 'returns true for a persisted page' do
+      expect(existing_page).to be_persisted
+    end
+
+    it 'returns false for an unpersisted page' do
+      expect(new_page).not_to be_persisted
+    end
+  end
+
   describe '#to_partial_path' do
     it 'returns the relative path to the partial to be used' do
       expect(subject.to_partial_path).to eq('projects/wikis/wiki_page')
@@ -886,18 +871,6 @@ describe WikiPage do
 
   private
 
-  def remove_temp_repo(path)
-    FileUtils.rm_rf path
-  end
-
-  def commit_details
-    Gitlab::Git::Wiki::CommitDetails.new(user.id, user.username, user.name, user.email, "test commit")
-  end
-
-  def create_page(name, content)
-    wiki.wiki.write_page(name, :markdown, content, commit_details)
-  end
-
   def get_slugs(page_or_dir)
     if page_or_dir.is_a? WikiPage
       [page_or_dir.slug]

spec/requests/api/search_spec.rb

@@ -401,7 +401,7 @@ describe API::Search do
       context 'for wiki_blobs scope' do
         before do
           wiki = create(:project_wiki, project: project)
-          create(:wiki_page, wiki: wiki, attrs: { title: 'home', content: "Awesome page" })
+          create(:wiki_page, wiki: wiki, title: 'home', content: "Awesome page")
 
           get api("/projects/#{project.id}/search", user), params: { scope: 'wiki_blobs', search: 'awesome' }
         end

spec/requests/api/wikis_spec.rb

@@ -25,8 +25,8 @@ describe API::Wikis do
   shared_examples_for 'returns list of wiki pages' do
     context 'when wiki has pages' do
       let!(:pages) do
-        [create(:wiki_page, wiki: project_wiki, attrs: { title: 'page1', content: 'content of page1' }),
-         create(:wiki_page, wiki: project_wiki, attrs: { title: 'page2.with.dot', content: 'content of page2' })]
+        [create(:wiki_page, wiki: project_wiki, title: 'page1', content: 'content of page1'),
+         create(:wiki_page, wiki: project_wiki, title: 'page2.with.dot', content: 'content of page2')]
       end
 
       it 'returns the list of wiki pages without content' do

spec/support/shared_examples/models/chat_service_shared_examples.rb

@@ -198,7 +198,7 @@ RSpec.shared_examples "chat service" do |service_name|
           message: "user created page: Awesome wiki_page"
         }
       end
-      let(:wiki_page) { create(:wiki_page, wiki: project.wiki, attrs: opts) }
+      let(:wiki_page) { create(:wiki_page, wiki: project.wiki, **opts) }
       let(:sample_data) { Gitlab::DataBuilder::WikiPage.build(wiki_page, user, "create") }
 
       it_behaves_like "triggered #{service_name} service"

spec/support/shared_examples/models/slack_mattermost_notifications_shared_examples.rb

@@ -112,7 +112,7 @@ RSpec.shared_examples 'slack or mattermost notifications' do |service_name|
         message: "user created page: Awesome wiki_page"
       }
 
-      @wiki_page = create(:wiki_page, wiki: project.wiki, attrs: opts)
+      @wiki_page = create(:wiki_page, wiki: project.wiki, **opts)
       @wiki_page_sample_data = Gitlab::DataBuilder::WikiPage.build(@wiki_page, user, 'create')
     end
 

spec/support/shared_examples/models/wiki_shared_examples.rb

@@ -95,13 +95,14 @@ RSpec.shared_examples 'wiki model' do
     let(:wiki_pages) { subject.list_pages }
 
     before do
-      create_page('index', 'This is an index')
-      create_page('index2', 'This is an index2')
-      create_page('an index3', 'This is an index3')
+      subject.create_page('index', 'This is an index')
+      subject.create_page('index2', 'This is an index2')
+      subject.create_page('an index3', 'This is an index3')
     end
 
     it 'returns an array of WikiPage instances' do
-      expect(wiki_pages.first).to be_a WikiPage
+      expect(wiki_pages).to be_present
+      expect(wiki_pages).to all(be_a(WikiPage))
     end
 
     it 'does not load WikiPage content by default' do
@@ -149,7 +150,7 @@ RSpec.shared_examples 'wiki model' do
 
   describe '#find_page' do
     before do
-      create_page('index page', 'This is an awesome Gollum Wiki')
+      subject.create_page('index page', 'This is an awesome Gollum Wiki')
     end
 
     it 'returns the latest version of the page if it exists' do
@@ -176,7 +177,7 @@ RSpec.shared_examples 'wiki model' do
 
     context 'pages with multibyte-character title' do
       before do
-        create_page('autre pagé', "C'est un génial Gollum Wiki")
+        subject.create_page('autre pagé', "C'est un génial Gollum Wiki")
       end
 
       it 'can find a page by slug' do
@@ -188,7 +189,7 @@ RSpec.shared_examples 'wiki model' do
 
     context 'pages with invalidly-encoded content' do
       before do
-        create_page('encoding is fun', "f\xFCr".b)
+        subject.create_page('encoding is fun', "f\xFCr".b)
       end
 
       it 'can find the page' do
@@ -201,11 +202,11 @@ RSpec.shared_examples 'wiki model' do
 
   describe '#find_sidebar' do
     before do
-      create_page(described_class::SIDEBAR, 'This is an awesome Sidebar')
+      subject.create_page(described_class::SIDEBAR, 'This is an awesome Sidebar')
     end
 
     it 'finds the page defined as _sidebar' do
-      page = subject.find_page('_sidebar')
+      page = subject.find_sidebar
 
       expect(page.content).to eq('This is an awesome Sidebar')
     end
@@ -284,58 +285,59 @@ RSpec.shared_examples 'wiki model' do
   end
 
   describe '#update_page' do
-    before do
-      create_page('update-page', 'some content')
-      @gitlab_git_wiki_page = subject.wiki.page(title: 'update-page')
+    let(:page) { create(:wiki_page, wiki: subject, title: 'update-page') }
+
+    def update_page
       subject.update_page(
-        @gitlab_git_wiki_page,
+        page.page,
         content: 'some other content',
         format: :markdown,
         message: 'updated page'
       )
-      @page = subject.list_pages(load_content: true).first.page
     end
 
     it 'updates the content of the page' do
-      expect(@page.raw_data).to eq('some other content')
+      update_page
+      page = subject.find_page('update-page')
+
+      expect(page.raw_content).to eq('some other content')
     end
 
     it 'sets the correct commit message' do
-      expect(@page.version.message).to eq('updated page')
+      update_page
+      page = subject.find_page('update-page')
+
+      expect(page.version.message).to eq('updated page')
     end
 
     it 'sets the correct commit email' do
+      update_page
+
       expect(user.commit_email).not_to eq(user.email)
       expect(commit.author_email).to eq(user.commit_email)
       expect(commit.committer_email).to eq(user.commit_email)
     end
 
     it 'updates container activity' do
+      page
+
       expect(subject).to receive(:update_container_activity)
 
-      subject.update_page(
-        @gitlab_git_wiki_page,
-        content: 'Yet more content',
-        format: :markdown,
-        message: 'Updated page again'
-      )
+      update_page
     end
   end
 
   describe '#delete_page' do
-    before do
-      create_page('index', 'some content')
-      @page = subject.wiki.page(title: 'index')
-    end
+    let(:page) { create(:wiki_page, wiki: wiki) }
 
     it 'deletes the page' do
-      subject.delete_page(@page)
+      subject.delete_page(page)
 
       expect(subject.list_pages.count).to eq(0)
     end
 
     it 'sets the correct commit email' do
-      subject.delete_page(@page)
+      subject.delete_page(page)
 
       expect(user.commit_email).not_to eq(user.email)
       expect(commit.author_email).to eq(user.commit_email)
@@ -343,9 +345,11 @@ RSpec.shared_examples 'wiki model' do
     end
 
     it 'updates container activity' do
+      page
+
       expect(subject).to receive(:update_container_activity)
 
-      subject.delete_page(@page)
+      subject.delete_page(page)
     end
   end
 
@@ -378,23 +382,4 @@ RSpec.shared_examples 'wiki model' do
       expect(subject.hook_attrs.keys).to contain_exactly(:web_url, :git_ssh_url, :git_http_url, :path_with_namespace, :default_branch)
     end
   end
-
-  private
-
-  def create_temp_repo(path)
-    FileUtils.mkdir_p path
-    system(*%W(#{Gitlab.config.git.bin_path} init --quiet --bare -- #{path}))
-  end
-
-  def remove_temp_repo(path)
-    FileUtils.rm_rf path
-  end
-
-  def commit_details
-    Gitlab::Git::Wiki::CommitDetails.new(user.id, user.username, user.name, user.commit_email, 'test commit')
-  end
-
-  def create_page(name, content)
-    subject.wiki.write_page(name, :markdown, content, commit_details)
-  end
 end