gistfile1.txt

class Location
 def geocode
    geocoded_address = GeocodedAddress.new(self.full_street_address)
    self.latitude = geocoded_address.latitude
    self.longitude = geocoded_address.longitude
    return self
  end
end

    let(:location){FactoryGirl.create(:location)}
    location.stub(:geocode).and_return(hmmm)