def test_transaction_assign_recipient_volunteer(self):
t = Transaction()
r = Recipient(username='******')
v = Volunteer(username='******')
db.session.add_all([t, r, v])
db.session.commit()
t.assign_recipient(r)
self.assertEqual(t.recipient, r)
self.assertEqual(t.recipient_id, r.id)
self.assertFalse(t.claimed)
self.assertEqual(r.transactions[0], t)
t.assign_volunteer(v)
db.session.add(t)
db.session.commit()
self.assertEqual(t.volunteer, v)
self.assertEqual(t.volunteer_id, v.id)
self.assertTrue(t.claimed)
self.assertEqual(v.transactions[0], t)
