gistfile1.rb

    describe 'with valid ticker' do
      let(:ticker) { 'AAPL' }
      let!(:instrument)  { create(:instrument, ticker: ticker) }
      
      ["url_1", "url_2"].each do |url|

        context "with url #{url}" do
          let(:referer) { url }
  
          it "should redirect to ticker page" do
            get :yahoo
            should redirect_to instrument_path(instrument)
          end
        end
        
      end
      
    end