def test_not_accept_not_integer_bet(self, mock_stdout):
dealer = Dealer()
with self.assertRaises(Exception):
dealer.accept_bet("one")
self.assertEqual("Bet is expected as an integer.\n",
mock_stdout.getvalue())
def test_accept_bet(self, mock_stdout):
dealer = Dealer()
dealer.accept_bet(1)
self.assertEqual("1 is accepted as a bet!\n", mock_stdout.getvalue())
def test_not_accept_negative_bet(self, mock_stdout):
dealer = Dealer()
dealer.accept_bet(-1)
self.assertEqual("Bet is expected as natural number.\n",
mock_stdout.getvalue())
