Show 'Delete' button to developers in Wiki

Changelog: changed

app/controllers/concerns/wiki_actions.rb

@@ -14,8 +14,7 @@ module WikiActions
     before_action { respond_to :html }
 
     before_action :authorize_read_wiki!
-    before_action :authorize_create_wiki!, only: [:edit, :create]
-    before_action :authorize_admin_wiki!, only: :destroy
+    before_action :authorize_create_wiki!, only: [:edit, :create, :destroy]
 
     before_action :wiki
     before_action :page, only: [:show, :edit, :update, :history, :destroy, :diff]

app/views/shared/wikis/edit.html.haml

@@ -18,7 +18,7 @@
 
   .nav-controls.pb-md-3.pb-lg-0
     - if @page.persisted?
-      - if can?(current_user, :admin_wiki, @wiki.container)
+      - if can?(current_user, :create_wiki, @wiki.container)
         #delete-wiki-modal-wrapper{ data: { delete_wiki_url: wiki_page_path(@wiki, @page), page_title: @page.human_title } }
 
 = render 'shared/wikis/form', uploads_path: wiki_attachment_upload_url

spec/support/shared_examples/controllers/wiki_actions_shared_examples.rb

 # frozen_string_literal: true
 
 RSpec.shared_examples 'wiki controller actions' do
+  let_it_be(:user) { create(:user) }
+  let_it_be(:other_user) { create(:user) }
+
   let(:container) { raise NotImplementedError }
   let(:routing_params) { raise NotImplementedError }
-
-  let_it_be(:user) { create(:user) }
   let(:wiki) { Wiki.for_container(container, user) }
   let(:wiki_title) { 'page title test' }
 
@@ -458,6 +459,7 @@ RSpec.shared_examples 'wiki controller actions' do
 
   describe 'DELETE #destroy' do
     let(:id_param) { wiki_title }
+    let(:delete_user) { user }
 
     subject(:request) do
       delete(:destroy,
@@ -466,13 +468,21 @@ RSpec.shared_examples 'wiki controller actions' do
             ))
     end
 
+    before do
+      sign_in(delete_user)
+    end
+
     context 'when page exists' do
-      it 'deletes the page' do
-        expect do
-          request
-        end.to change { wiki.list_pages.size }.by(-1)
+      shared_examples 'deletes the page' do
+        specify do
+          expect do
+            request
+          end.to change { wiki.list_pages.size }.by(-1)
+        end
       end
 
+      it_behaves_like 'deletes the page'
+
       context 'but page cannot be deleted' do
         before do
           allow_next_instance_of(WikiPage) do |page|
@@ -489,6 +499,28 @@ RSpec.shared_examples 'wiki controller actions' do
           expect(assigns(:error)).to eq('Could not delete wiki page')
         end
       end
+
+      context 'when user is a developer' do
+        let(:delete_user) { other_user }
+
+        before do
+          container.add_developer(other_user)
+        end
+
+        it_behaves_like 'deletes the page'
+      end
+
+      context 'when user is a reporter' do
+        let(:delete_user) { other_user }
+
+        before do
+          container.add_reporter(other_user)
+        end
+
+        it 'returns 404' do
+          is_expected.to have_gitlab_http_status(:not_found)
+        end
+      end
     end
 
     context 'when page does not exist' do

spec/support/shared_examples/features/wiki/user_deletes_wiki_page_shared_examples.rb

@@ -7,18 +7,34 @@
 RSpec.shared_examples 'User deletes wiki page' do
   include WikiHelpers
 
+  let_it_be(:developer) { create(:user) }
+
   let(:wiki_page) { create(:wiki_page, wiki: wiki) }
 
   before do
+    wiki.container.add_developer(developer)
+
     sign_in(user)
     visit wiki_page_path(wiki, wiki_page)
   end
 
-  it 'deletes a page', :js do
-    click_on('Edit')
-    click_on('Delete')
-    find('[data-testid="confirm_deletion_button"]').click
+  shared_examples 'deletes a wiki page' do
+    specify 'deletes a page', :js do
+      click_on('Edit')
+      click_on('Delete')
+      find('[data-testid="confirm_deletion_button"]').click
+
+      expect(page).to have_content('Wiki page was successfully deleted.')
+    end
+  end
+
+  context 'when user is the owner or maintainer' do
+    it_behaves_like 'deletes a wiki page'
+  end
+
+  context 'when user is a developer' do
+    let(:user) { developer }
 
-    expect(page).to have_content('Wiki page was successfully deleted.')
+    it_behaves_like 'deletes a wiki page'
   end
 end