Merge branch '221061-fj-allow-empty-wiki-pages' into 'master'

Allow empty wiki pages

See merge request gitlab-org/gitlab!65521

app/models/wiki_page.rb

@@ -40,7 +40,6 @@ class WikiPage
   end
 
   validates :title, presence: true
-  validates :content, presence: true
   validate :validate_path_limits, if: :title_changed?
   validate :validate_content_size_limit, if: :content_changed?
 

spec/models/wiki_page_spec.rb

@@ -201,11 +201,10 @@ RSpec.describe WikiPage do
       expect(subject.errors.messages).to eq(title: ["can't be blank"])
     end
 
-    it "validates presence of content" do
+    it "does not validate presence of content" do
       subject.attributes.delete(:content)
 
-      expect(subject).not_to be_valid
-      expect(subject.errors.messages).to eq(content: ["can't be blank"])
+      expect(subject).to be_valid
     end
 
     describe '#validate_content_size_limit' do

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

@@ -20,17 +20,6 @@ RSpec.shared_examples 'User creates wiki page' do
       click_link "Create your first page"
     end
 
-    it "shows validation error message if the form is force submitted", :js do
-      page.within(".wiki-form") do
-        fill_in(:wiki_content, with: "")
-
-        page.execute_script("document.querySelector('.wiki-form').submit()")
-        page.accept_alert # manually force form submit
-      end
-
-      expect(page).to have_content("The form contains the following error:").and have_content("Content can't be blank")
-    end
-
     it "disables the submit button", :js do
       page.within(".wiki-form") do
         fill_in(:wiki_content, with: "")

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

@@ -90,19 +90,6 @@ RSpec.shared_examples 'User updates wiki page' do
       expect(page).to have_field('wiki[message]', with: 'Update Wiki title')
     end
 
-    it 'shows a validation error message if the form is force submitted', :js do
-      fill_in(:wiki_content, with: '')
-
-      page.execute_script("document.querySelector('.wiki-form').submit()")
-      page.accept_alert # manually force form submit
-
-      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 "disables the submit button", :js do
       page.within(".wiki-form") do
         fill_in(:wiki_content, with: "")