ericcf

MyApplication::Application.configure do
  config.ingredient_api_url = "http://example.com"
end

ericcf

class Ingredient < ActiveResource::Base
  self.site = MyApplication::Application.config.ingredient_api_url
  self.format = :json
end

ericcf

Rails.application.routes.draw do
  resources :ingredients, :only => [:index, :show]
end

ericcf

class IngredientsController < ApplicationController

  respond_to :json

  def index
    respond_with Ingredient.all
  end

  def show
    respond_with Ingredient.find(params[:id])

ericcf

class Ingredient < ActiveRecord::Base
end

ericcf

class IngredientsController < ApplicationController

  caches_action :index, :show
  cache_sweeper :ingredients_sweeper

end

ericcf

class IngredientsSweeper < ActionController::Caching::Sweeper

  observe Ingredient

  def after_save(record)
    expire_action :controller => "ingredients",
                  :action => "index",
                  :format => :json
    expire_action :controller => "ingredients",
                  :action => "show",

ericcf

require 'fakeweb'

# this can also be set to a regular expression to whitelist URI's
FakeWeb.allow_net_connect = false

def load_fixture(name)
  path = "#{Rails.root}/features/fixtures/#{name}.rb"
  eval File.open(path).map { |line| line }.join("")
end

ericcf

[
  {
    "id" => 1,
    "name" => "sassafras"
  }
]

ericcf

# instead of { "my_model": { "id": 1, "title": "foo" } }
# to_json produces { "id": 1, "title": "foo" }
ActiveRecord::Base.include_root_in_json = false