def test_clean(self, mock_standardize, mock_string, mock_number): mock_number.return_value = 'NUMBER' mock_string.return_value = 'STRING' mock_standardize.return_value = 'NUMBER' result = clean(self.to_cleanup) self.assertEqual(mock_number.call_count, 14) self.assertEqual(mock_string.call_count, 8) self.assertDictEqual(result, self.cleaned)