gistfile1.txt

  def show
    puts "in show with params #{params.inspect}"
    @gist = Gist.get(params[:id])
    puts "gist is #{@gist.inspect}"
    raise NotFound unless @gist
    display @gist
  end

===============
describe "#show" do
  it "should display an item when found" do
    gist = Gist.create(:url => 'www.example.com')
    request("/gists/#{gist.id}.json").should be_successful
  end
  
  it "should raise a NotFound when item is not found" do
    @body = request("/gists/bad_id.json")
    puts "the body is #{@body}"
  end
end