Add namespace errors from User#after_update

app/models/user.rb

@@ -837,7 +837,12 @@ class User < ActiveRecord::Base
     create_namespace!(path: username, name: username) unless namespace
 
     if username_changed?
-      namespace.update_attributes!(path: username, name: username)
+      unless namespace.update_attributes(path: username, name: username)
+        namespace.errors.each do |attribute, message|
+          self.errors.add(:"namespace_#{attribute}", message)
+        end
+        raise ActiveRecord::RecordInvalid.new(namespace)
+      end
     end
   end
 

spec/models/user_spec.rb

@@ -2063,10 +2063,15 @@ describe User do
           context 'when there is a validation error (namespace name taken) while updating namespace' do
             let!(:conflicting_namespace) { create(:group, name: new_username, path: 'quz') }
 
-            it "causes the user save to fail" do
+            it 'causes the user save to fail' do
               expect(user.update_attributes(username: new_username)).to be_falsey
               expect(user.namespace.errors.messages[:name].first).to eq('has already been taken')
             end
+
+            it 'adds the namespace errors to the user' do
+              user.update_attributes(username: new_username)
+              expect(user.errors.full_messages.first).to eq('Namespace name has already been taken')
+            end
           end
         end
 

spec/services/users/update_service_spec.rb

@@ -12,9 +12,22 @@ describe Users::UpdateService do
     end
 
     it 'returns an error result when record cannot be updated' do
+      result = {}
       expect do
-        update_user(user, { email: 'invalid' })
+        result = update_user(user, { email: 'invalid' })
       end.not_to change { user.reload.email }
+      expect(result[:status]).to eq(:error)
+      expect(result[:message]).to eq('Email is invalid')
+    end
+
+    it 'includes namespace error messages' do
+      create(:group, name: 'taken', path: 'something_else')
+      result = {}
+      expect do
+        result = update_user(user, { username: 'taken' })
+      end.not_to change { user.reload.username }
+      expect(result[:status]).to eq(:error)
+      expect(result[:message]).to eq('Namespace name has already been taken')
     end
 
     def update_user(user, opts)