class TestPlayerClass(unittest.TestCase):
def test_score_aces(self):
self.shoe = Shoe(1)
self.hand = Player(self.shoe)
self.card1 = Card(("A", "S", 1))
self.card2 = Card(("A", "H", 2))
self.hand.hand_of_cards.append(self.card1)
self.hand.hand_of_cards.append(self.card2)
self.assertEqual(self.hand.score(), 12)
def test_score_(self):
self.shoe = Shoe(1)
self.hand = Dealer(self.shoe)
self.card1 = Card(("K", "S", 1))
self.card2 = Card(("3", "H", 2))
self.hand.hand_of_cards.append(self.card1)
self.hand.hand_of_cards.append(self.card2)
self.assertEqual(self.hand.score(), 13)
def test_get_card(self):
self.shoe = Shoe(1)
self.hand = Dealer(self.shoe)
self.assertEqual(self.hand.get_card(), True)
self.assertEqual(len(self.hand.hand_of_cards), 1)
self.assertEqual(self.hand.hits(), True)
def test_pretty_output(self):
self.shoe = Shoe(1)
self.hand = Dealer(self.shoe)
self.card1 = Card(("K", "Spades", 1))
self.card2 = Card(("K", "Hearts", 2))
self.hand.hand_of_cards.append(self.card1)
self.hand.hand_of_cards.append(self.card2)
self.assertEqual(self.hand.pretty_output(), "\nK of Spades\nK of Hearts\n")
def test_update_status(self):
self.shoe = Shoe(1)
self.hand = Dealer(self.shoe)
self.card1 = Card(("K", "S", 1))
self.card2 = Card(("6", "H", 2))
self.card3 = Card(("8", "H", 3))
self.hand.hand_of_cards.append(self.card1)
self.hand.hand_of_cards.append(self.card2)
self.hand.update_status()
self.assertEqual(self.hand.status["bj"], False)
self.assertEqual(self.hand.status["interested"], True)
self.assertEqual(self.hand.status["bust"], False)
self.hand.hand_of_cards.append(self.card3)
self.hand.hits()
self.hand.update_status()
self.assertEqual(self.hand.status["bj"], False)
self.assertEqual(self.hand.status["interested"], False)
self.assertEqual(self.hand.status["bust"], True)
class Game:
""" Initialize game of blackjack
Parameters
---------
shoe : Instance of Shoe Class
The current shoe initialized in Blackjack.sitting()
Attributes
----------
dealer : instance of Player class
player : instance of Player class
initial_hand_size : int
Number of cards initially dealt
max_target_score : int
A constant set to 21 per the rules of blackjack
dealer_trigger : int
A constant set to 17, the score at which the dealer will stop accepting
additional cards, per the rules of blackjack
"""
def __init__(self, shoe):
self.shoe = shoe
self.dealer = Dealer(shoe)
self.player = User(shoe)
self.initial_hand_size = 2
self.max_target_score = 21
self.dealer_trigger = 17
def deal(self):
""" Deals the set # of starting cards (defined in the init)"""
player_list = [self.dealer, self.player]
for elem in player_list:
for x in range(self.initial_hand_size):
if self.shoe.cards:
elem.hand_of_cards.append(self.shoe.hand_out_card())
else:
return False
return True
def report(self, finished=False):
""" Reports the status of the game to the stdout on command line """
if finished is False:
verb = "has"
else:
verb = "had"
print(chr(27) + "[2J")
print("Dealer {}: {}For a total of {}"
.format(verb, self.dealer.pretty_output(), self.dealer.score()))
print("\n")
print("Player {}: {}For a total of {}"
.format(verb, self.player.pretty_output(), self.player.score()))
print("\n")
def eval_state(self):
""" Evaluates the status of the game to the stdout on command line
Returns
-------
string
"d", "p", or None (if out of cards or unresolved)
"""
winner = None
if self.dealer.status["bj"] or self.player.status["bust"]:
winner = "d"
elif self.player.status["bj"] or self.dealer.status["bust"]:
winner = "p"
return winner
def get_winner(self):
""" Determines the winner if both players pass
Returns
-------
string
"d" (dealer) or "p" (player) for victor
"""
if self.player.score() <= self.dealer.score():
return "d"
else:
return "p"
def report_results(self):
""" Report final outcome of the hand
Returns
-------
True
As notification of execution
"""
print("Dealer finished with: ", self.dealer.score())
print("You had: ", self.player.score())
print("\n")
return True
def play(self):
""" Plays a single round of blackjack
Returns
-------
instance of Player object
"""
if not self.deal():
return None # .hand_out_card reports back no more cards
if not self.dealer.update_status() or\
not self.player.update_status():
print("Something went wrong.")
winner = self.eval_state()
while not winner:
self.report()
if self.dealer.status["interested"] and self.dealer.hits() and\
not self.dealer.get_card():
return None # .get_card reports back no more cards
elif self.player.status["interested"] and self.player.hits() and\
not self.player.get_card():
return None # .get_card reports back no more cards
if not self.dealer.update_status() or\
not self.player.update_status():
print("Something went wrong.") # If update fails
winner = self.eval_state()
if winner:
break
elif not self.dealer.status["interested"] and\
not self.player.status["interested"]:
winner = self.get_winner()
break
self.report(finished=True)
if self.report_results():
return winner
else:
print("Something went wrong.")
return None