def test_is_blackjack(self, player, sec_hand):
hand = Hand(player)
ace = Card.generate('A')
hand.cards.append(ace)
hand.cards.append(Card.generate(sec_hand))
assert len([c for c in hand.cards if c.type == 'high']) == 2
assert hand.is_soft
assert hand.is_blackjack
def test_is_paired(self, player):
hand = Hand(player)
hand.cards.append(Card.generate('T'))
hand.cards.append(Card.generate('T'))
assert hand.is_paired
hand.cards.pop()
hand.cards.append(Card.generate('8'))
assert not hand.is_paired
def test_is_soft(self, player):
hand = Hand(player)
ace = Card.generate('A')
hand.cards.append(ace)
hand.cards.append(Card.generate('9'))
assert hand.is_soft
hand.cards.remove(ace)
hand.cards.append(Card.generate('T'))
assert not hand.is_soft
def start_round(self):
"""
Execute a round of blackjack game.
:returns
hands(list): List of Hand that took part
"""
self.shoe.shuffle()
hands = [Hand(self.dealer), Hand(self.player)]
player_hand = getPlayerHand(hands)
dealer_hand = getDealerHand(hands)
self.deal_init_cards(hands)
# check if dealer has blackjack
if dealer_hand.is_blackjack:
dealer_hand.cards[1].is_face_up = True
display_cards(hands)
# end round
return hands
# check if player has is blackjack
elif player_hand.is_blackjack:
dealer_hand.cards[1].is_face_up = True
display_cards(hands)
# end round
return hands
if not player_hand.is_blackjack:
player_hands = getPlayerHands(hands)
while len(player_hands) != 0:
hand = player_hands.pop()
if not hand.is_blackjack:
self.play_player_hand(hand, hands, player_hands)
else:
break
# check if all player hands are bust
bust_player_hands = [
hand for hand in hands
if hand.owner.role == role.PLAYER and hand.state == state.BUST
]
if not len(bust_player_hands) == len(getPlayerHands(hands)):
self.play_dealer_hand(hands)
return hands
def play_player_hand(self, hand, hands, player_hands):
"""
Executes a player hand sequence of action.
The updates the state of the player's hand in reaction to player decisions and changes to cards in the hand
:param hand: the players hand(one of) being acted upon
:param hands: All hands participating in the round
:param player_hands: All hands the belong to the player
"""
while hand.state == state.IN:
if not hand.is_splittable and len(hand.cards) == 1:
hand.cards.append(self.shoe.deal())
display_cards(hands)
if hand.total > 21:
hand.state = state.BUST
break
decision = Player.act(hand)
if decision == "stand":
hand.state = state.STAND
elif decision == "double":
# deal only one more card
hand.cards.append(self.shoe.deal())
display_cards(hands)
break
elif decision == "split":
card = hand.cards.pop()
split_hand = Hand(hand.owner)
split_hand.cards.append(card)
hands.append(split_hand)
player_hands.append(split_hand)
hand.is_splittable = False
split_hand.is_splittable = False
display_cards(hands)
self.play_player_hand(hand, hands, player_hands)
elif decision == "surrender":
hand.state = state.SURRENDER
else:
hand.cards.append(self.shoe.deal())
display_cards(hands)
def dealer_hand():
return Hand(Player(role.DEALER))
def hand(player):
return Hand(owner=player)
def test_aces_not_blackjack(self, player):
hand = Hand(player)
hand.cards.append(Card.generate('A'))
hand.cards.append(Card.generate('A'))
assert not hand.is_blackjack
def test_non_aced_is_hard(self, player):
hand = Hand(player)
hand.cards.append(Card.generate('T'))
hand.cards.append(Card.generate('T'))
assert not hand.is_soft