def test_for_single_site(self):
     siteInfo =  [ url_a, [ url_b, url_c ] ]
     links = determine_from_links( [ siteInfo ] )
     
     expected = [
         [ url_b, [ url_a ] ],
         [ url_c, [ url_a ] ]
     ]
     
     assert links == expected
 def test_for_empty(self):
     links = determine_from_links([])
     assert links == []