def test_attachments(self):
su = StatusUpdate('foo bar')
su.add_attachment('data.dat', 'XXXX')
self.assertEqual(len(su.attachments.keys()), 1)
self.assertEqual(su.attachments['data.dat'].file.data, 'XXXX')
su.remove_attachment('data.dat')
self.assertEqual(len(su.attachments.keys()), 0)
