Update last_repository_updated_at when the wiki is updated

app/models/project_wiki.rb

@@ -183,6 +183,6 @@ class ProjectWiki
   end
 
   def update_project_activity
-    @project.touch(:last_activity_at)
+    @project.touch(:last_activity_at, :last_repository_updated_at)
   end
 end

spec/models/project_wiki_spec.rb

@@ -213,9 +213,12 @@ describe ProjectWiki, models: true do
     end
 
     it 'updates project activity' do
-      expect(subject).to receive(:update_project_activity)
-
       subject.create_page('Test Page', 'This is content')
+
+      project.reload
+
+      expect(project.last_activity_at).to be_within(1.minute).of(Time.now)
+      expect(project.last_repository_updated_at).to be_within(1.minute).of(Time.now)
     end
   end
 
@@ -240,9 +243,12 @@ describe ProjectWiki, models: true do
     end
 
     it 'updates project activity' do
-      expect(subject).to receive(:update_project_activity)
-
       subject.update_page(@gollum_page, 'Yet more content', :markdown, 'Updated page again')
+
+      project.reload
+
+      expect(project.last_activity_at).to be_within(1.minute).of(Time.now)
+      expect(project.last_repository_updated_at).to be_within(1.minute).of(Time.now)
     end
   end
 
@@ -258,9 +264,12 @@ describe ProjectWiki, models: true do
     end
 
     it 'updates project activity' do
-      expect(subject).to receive(:update_project_activity)
-
       subject.delete_page(@page)
+
+      project.reload
+
+      expect(project.last_activity_at).to be_within(1.minute).of(Time.now)
+      expect(project.last_repository_updated_at).to be_within(1.minute).of(Time.now)
     end
   end