require 'rails_helper' describe 'home/index' do subject { Nokogiri::HTML(rendered) } before :each do assign :districts, [create(:district), create(:district)] assign :categories, [CategoryPresenter.new(category: create(:category))] render end it 'renders a dropdown with districts and a select a district prompt' do expect(subject.css('#district-dropdown option').count).to eq 3 end end