stub api calls for rubymotion calabash tests

api.rb

class Api
  def base_url
    if stubbed?
      "file://#{App.resources_path.gsub(' ', '%20')}/test_api_data"
    else
      App.info_plist["API_BASE_URL"]
    end
  end

  def stubbed?
    App.info_plist["API_BASE_URL"] == 'http://stub.example.com'
  end

  def afmotion_client
    AFMotion::Client.build(base_url) do
      operation :json
    end
  end

  def get(url, parameters={}, &block)
    afmotion_client.get(url, parameters) do |response|
      if response.success?
        block.call true, response.object
      else
        block.call false, response.error
      end
    end
  end
end

Rakefile

Motion::Project::App.setup do |app|
  app.info_plist['API_BASE_URL'] = ENV['API_BASE_URL'] || 'http://api.myserver.com'
end

task :cucumber => [:stub, :'build:simulator', :'calabash:run']
task :stub do
  ENV['API_BASE_URL'] = 'http://stub.example.com'
end


# rake cucumber
#   1. at compile time set stub url
#   2. at runtime will afmotion will make api calls to json files in resources/test_api_data