def test_soundex_couples(self): blocking = SoundexBlocking(ref_attr_index=1, target_attr_index=1, language='english') blocking.fit(SOUNDEX_REFSET, SOUNDEX_TARGETSET) pairs = list(blocking.iter_id_pairs()) self.assertEqual(len(pairs), 8) for pair in SOUNDEX_PAIRS: self.assertIn(pair, pairs)