def test_buy_a_bet(self):
"""
Buy a bet
"""
event = EventFactory()
user = UserFactory(total_cash=event.current_buy_for_price)
old_price = event.current_buy_for_price
bet_user, bet_event, bet = Bet.objects.buy_a_bet(user, event.id, Bet.YES,
event.current_buy_for_price)
self.assertEqual(user, bet_user)
self.assertEqual(event, bet_event)
self.assertEqual(event.current_buy_for_price, bet.bought_avg_price)
self.assertEqual(1, bet.has)
self.assertEqual(1, bet.bought)
self.assertEqual(0, bet_user.total_cash)
self.assertEqual(old_price, bet_user.portfolio_value)
self.assertNotEqual(old_price, bet_event.current_buy_for_price)
self.assertEqual(1, bet_event.turnover)
with self.assertRaises(PriceMismatch):
Bet.objects.buy_a_bet(user, event.id, Bet.YES, old_price)
with self.assertRaises(InsufficientCash):
Bet.objects.buy_a_bet(user, event.id, Bet.YES, bet_event.current_buy_for_price)
user.total_cash = bet_event.current_buy_against_price
user.save()
# TODO should throw exception
Bet.objects.buy_a_bet(user, event.id, Bet.NO, bet_event.current_buy_against_price)
