require 'rails_helper' RSpec.describe Api::Accounts::LookupController, type: :controller do let(:user) { Fabricate(:user, account: Fabricate(:account, username: 'alice')) } let(:token) { double acceptable?: true, resource_owner_id: user.id } before do allow(controller).to receive(:doorkeeper_token) { token } end describe 'GET #index' do before do Fabricate(:account, username: 'alice') Fabricate(:account, username: 'bob') get :index, usernames: 'alice,bob' end it 'returns http success' do expect(response).to have_http_status(:success) end end end