def test_query_tag_filter_sub_str(self):
        tags = DjangoGateway._query_tags(names=None, sub_str='ag')

        self.assertEqual([t.name for t in tags], ['tag2', 'Tag1'])
    def test_query_tag_filter_names(self):
        tags = DjangoGateway._query_tags(names=['Tag1', 't3'], sub_str=None)

        self.assertEqual([t.name for t in tags], ['Tag1', 't3'])
    def test_query_tags(self):
        tags = DjangoGateway._query_tags(names=None, sub_str=None)

        self.assertIsInstance(tags[0], OrmTag)
        self.assertEqual([t.name for t in tags], ['tag2', 'Tag1', 't3'])