Allows for using barometer gem in client app specs without hitting the network.

stub_barometer.rb

require 'bundler'
require 'barometer'
require 'fakeweb'

module TestStubs
  module Barometer
    def self.stub!
      FakeWeb.register_uri(
        :get, %r[^http://api\.wunderground\.com/auto/wui/geo/WXCurrentObXML/index\.xml\?query],
        body: File.read(current_fixture_path)
      )
      FakeWeb.register_uri(
        :get, %r[^http://api\.wunderground\.com/auto/wui/geo/ForecastXML/index\.xml\?query],
        body: File.read(forecast_fixture_path)
      )
      measurement = ::Barometer::Measurement.any_instance
      [:success, :success?].each do |fn|
        measurement.stub(fn).and_return(true)
      end
    end

    private

    def self.gem_path
      barometer_gem = Bundler.load.specs.find { |s| s.name == 'barometer' }
      barometer_gem.full_gem_path
    end

    def self.current_fixture_path
      File.join(gem_path, '/spec/fixtures/services/wunderground/current_calgary_ab.xml')
    end

    def self.forecast_fixture_path
      File.join(gem_path, '/spec/fixtures/services/wunderground/forecast_calgary_ab.xml')
    end
  end
end