Raw post request test

correct-request.sh

# Rails parses this correctly in the controller i.e. params['_json] exists.

curl -v -H "Content-Type: application/json" -X POST -d '[{"changed_aspect": "media","subscription_id": 1939373,"object": "user","object_id": "181943333","time": 133939219}]' http://www.monogram.dev/plugins/instagram/handle_user_subscription

plugin_instagrams_controller.rb

class Plugins::PluginInstagramsController < Plugins::BaseController

  def handle_user_subscription
    if request.get?
      render :text => params['hub.challenge'] and return
    end
    if request.post?
      notifications = params['_json']
      for n in notifications
        logger.debug "Adding new photo: " << n.to_s
        plugin = PluginInstagram.find_by_instagram_user_id(n['object_id'].to_i)
        job = Delayed::Job.enqueue CachePhotoJob.new(plugin)
      end
    end
    render :nothing => true
  end
end

plugin_instagrams_controller_test.rb

class Plugins::PluginInstagramsControllerTest < ActionController::TestCase

  def test_handle_single_subscription_callback
    # This is the actual params as parsed by Rails from a genuine Instagram
    # callback. How to do a proper 'raw' post request??? I can't get params['_json']
    # to exist from any kind of request.
    payload = {
      "_json" => [{
        "changed_aspect"  => "media",
        "subscription_id" => 1939888,
        "object"          => "user",
        "object_id"       => "24951298",
        "time"            => 1339391219
      }],
      "plugin_instagram" => {}
    }
    #What I've tried
    #http://stackoverflow.com/questions/2103977/how-to-send-raw-post-data-in-a-rails-functional-test
    #@request.env['RAW_POST_DATA'] = payload.to_json
    #@request.env['HTTP_ACCEPT'] = 'application/javascript'
    #@request.accept = "text/javascript"
    #post :handle_user_subscription,
    #     payload.as_json,
    #     {'Content-Type' => 'application/json', 'Accept' => 'application/json'}
    assert_difference('Delayed::Job.count') do
      post(:handle_user_subscription, payload)
    end
    assert_response :success
  end
end