Testing REST API using BBQ

game_api_test.rb

require File.dirname(__FILE__) + "/../test_helper"

class GameApiTest < Bbq::TestCase
  background do
    @admin = TestUser.new
    @admin.roles(:admin)
    @admin.prepare_game_data

    @client = TestClient.new
    @client.extend(TestClient::GameClient)
  end

  scenario "client chooses a region" do
    @client.login_to_game

    @client.get "/challenge/player"
    assert_nil @client.received_json["player"]["region"]["id"]

    @client.put "/challenge/player", { :player => { :region_id => Region.first.id } }
    assert @client.received_response_status?(200)

    @client.get "/challenge/player"
    assert_equal Region.first.id, @client.received_json["player"]["region"]["id"]
  end
end

test_client.rb

class TestClient
  attr_accessor :rack_test

  def initialize
    self.rack_test = ::TestClient::RackTest.new
  end

  delegate :get, :post, :put, :to => :rack_test

  def received_response_status?(status)
    rack_test.last_response.status == status
  end

  def received_json
    JSON.parse(rack_test.last_response.body)
  end

  class RackTest
    include Rack::Test::Methods

    def app
      Rails.application
    end
  end
end