gistfile1.rb

  describe "PUT '/books/:id'" do
    it "should update a Book's attributes" do
      @book = FactoryGirl.create(:book)
      new_attrs = {title: "New title", author: "New Author"}
      put :update, :id => @book.id, :book => new_attrs
      @book.reload
      @book.title.should eq("New title")
      @book.author.should eq("New Author")
    end
  end