shared_examples 'update invalid issuable' do |klass| let(:params) do { namespace_id: project.namespace.path, project_id: project.path, id: issuable.iid } end let(:issuable) do klass == Issue ? issue : merge_request end before do if klass == Issue params.merge!(issue: { title: "any" }) else params.merge!(merge_request: { title: "any" }) end end context 'when updating causes conflicts' do before do allow_any_instance_of(issuable.class).to receive(:save) .and_raise(ActiveRecord::StaleObjectError.new(issuable, :save)) end it 'renders edit when format is html' do put :update, params: params expect(response).to render_template(:edit) expect(assigns[:conflict]).to be_truthy end it 'renders json error message when format is json' do params[:format] = "json" put :update, params: params expect(response.status).to eq(409) expect(json_response).to have_key('errors') end end context 'when updating an invalid issuable' do before do key = klass == Issue ? :issue : :merge_request params[key][:title] = "" end it 'renders edit when merge request is invalid' do put :update, params: params expect(response).to render_template(:edit) end end end