calling the geocoding method

gistfile1.txt

Here is the test I have written:
// Another factory is created before this with the same address

it "should not call the geocoding method but should grab data from the database" do 
    @dest3 = FactoryGirl.create(:destination)
    @dest3.should_not_receive(:geocoding)
end
// This method should fail but it passes

def find_coordinates
  coords = geocoding(self.address)
  self.latitude, self.longitude = coords.first, coords.last  
end

// Implementation of the method that checks the db for records:

def find_coordinates
    cache = Destination.where(address: self.address).first
    if cache.nil?
      coords = geocoding(self.address)
      self.latitude, self.longitude = coords.first, coords.last
    else
      self.latitude, self.longitude = cache.latitude, cache.longitude
    end
  end

No matter what the tests I have written state that this method is not being called when I know it is.