results_asc = list(self.lib.items(u'foo+ id+'))
        self.assertEqual([i.id for i in results_asc],
                         # items without field first
                         [ids[0], ids[3], ids[1], ids[2]])
        results_desc = list(self.lib.items(u'foo- id+'))
        self.assertEqual([i.id for i in results_desc],
                         # items without field last
                         [ids[2], ids[1], ids[0], ids[3]])

    def test_negation_interaction(self):
        """Test the handling of negation and sorting together.

        If a string ends with a sorting suffix, it takes precedence over the
        NotQuery parsing.
        """
        query, sort = beets.library.parse_query_string(u'-bar+',
                                                       beets.library.Item)
        self.assertEqual(len(query.subqueries), 1)
        self.assertTrue(isinstance(query.subqueries[0],
                                   dbcore.query.TrueQuery))
        self.assertTrue(isinstance(sort, dbcore.query.SlowFieldSort))
        self.assertEqual(sort.field, u'-bar')


def suite():
    return unittest.TestLoader().loadTestsFromName(__name__)


if __name__ == b'__main__':
    unittest.main(defaultTest='suite')

                self.config["plex"]["token"],
                "My Music Library",
            ),
            "2",
        )

    @responses.activate
    def test_update_plex(self):
        # Adding responses.
        self.add_response_get_music_section()
        self.add_response_update_plex()

        # Testing status code of the mocking request.
        self.assertEqual(
            update_plex(
                self.config["plex"]["host"],
                self.config["plex"]["port"],
                self.config["plex"]["token"],
                self.config["plex"]["library_name"].get(),
            ).status_code,
            200,
        )


def suite():
    return unittest.TestLoader().loadTestsFromName(__name__)


if __name__ == b"__main__":
    unittest.main(defaultTest="suite")