def test_remove_tags(self): from edwin.models.photo import Photo p = Photo(self.fname) self.assertEqual(len(p.tags), 0) p.tags = ['foo', 'bar'] p = Photo(self.fname) self.assertEqual(len(p.tags), 2) self.assertEqual(p.tags[0], 'foo') self.assertEqual(p.tags[1], 'bar') p.tags = None p = Photo(self.fname) self.assertEqual(p.tags, [])