def test_13_simple_strategy_2(self):
# player == 17
player_cards = [BlackJackCard('7', 'C'), BlackJackCard('A', 'C')]
dealer_cards = [BlackJackCard('3', 'S'), BlackJackCard('J', 'C')]
deck = CardDecks(2, BlackJackCard)
hand = BlackJackHand(deck)
hand.set_initial_cards(player_cards, dealer_cards)
self.assertEqual(hand.simple_strategy(), BlackJackHand.stand, simple_error_message % (
hand.simple_strategy(), get_printable_cards(player_cards), get_printable_cards(dealer_cards), BlackJackHand.stand))
def test_07_mimic_dealer_strategy_1(self):
# less than 17, hit
player_cards = [BlackJackCard('5', 'C'), BlackJackCard('K', 'C')]
dealer_cards = [BlackJackCard('6', 'C'), BlackJackCard('3', 'C')]
deck = CardDecks(2, BlackJackCard)
hand = BlackJackHand(deck)
hand.set_initial_cards(player_cards, dealer_cards)
self.assertEqual(hand.mimic_dealer_strategy(), BlackJackHand.hit, dealer_error_message % (
hand.mimic_dealer_strategy(), get_printable_cards(player_cards), get_printable_cards(dealer_cards), BlackJackHand.hit))
def test_15_doubledown_strategy_2(self):
# player > 11 (has 17)
player_cards = [BlackJackCard('9', 'C'), BlackJackCard('8', 'D')]
dealer_cards = [BlackJackCard('3', 'S'), BlackJackCard('J', 'C')]
deck = CardDecks(2, BlackJackCard)
hand = BlackJackHand(deck, initial_bet=2.0)
hand.set_initial_cards(player_cards, dealer_cards)
self.assertEqual(hand.doubledown_strategy(), BlackJackHand.stand, doubledown_error_message % (
hand.doubledown_strategy(), get_printable_cards(player_cards), get_printable_cards(dealer_cards), BlackJackHand.stand))
def test_11_peek_strategy_3(self):
# player > dealer, stand
player_cards = [BlackJackCard('9', 'C'), BlackJackCard('A', 'C')]
dealer_cards = [BlackJackCard('3', 'S'), BlackJackCard('J', 'C')]
deck = CardDecks(2, BlackJackCard)
hand = BlackJackHand(deck)
hand.set_initial_cards(player_cards, dealer_cards)
self.assertEqual(hand.peek_strategy(), BlackJackHand.stand, peek_error_message % (
hand.peek_strategy(), get_printable_cards(player_cards), get_printable_cards(dealer_cards), BlackJackHand.stand))
def test_09_peek_strategy_1(self):
# player < dealer, hit
player_cards = [BlackJackCard('9', 'C'), BlackJackCard('K', 'C')]
dealer_cards = [BlackJackCard('K', 'S'), BlackJackCard('J', 'C')]
deck = CardDecks(2, BlackJackCard)
hand = BlackJackHand(deck)
hand.set_initial_cards(player_cards, dealer_cards)
self.assertEqual(hand.peek_strategy(), BlackJackHand.hit, peek_error_message % (
hand.peek_strategy(), get_printable_cards(player_cards), get_printable_cards(dealer_cards), BlackJackHand.hit))
def test_08_mimic_dealer_strategy_2(self):
# 17, stand
player_cards = [BlackJackCard('7', 'C'), BlackJackCard('K', 'C')]
dealer_cards = [BlackJackCard('6', 'C'), BlackJackCard('3', 'C')]
deck = CardDecks(2, BlackJackCard)
hand = BlackJackHand(deck)
hand.set_initial_cards(player_cards, dealer_cards)
self.assertEqual(hand.mimic_dealer_strategy(), BlackJackHand.stand, dealer_error_message % (
hand.mimic_dealer_strategy(), get_printable_cards(player_cards), get_printable_cards(dealer_cards), BlackJackHand.stand))
def test_16_doubledown_strategy_3(self):
# player == 11
player_cards = [BlackJackCard('2', 'C'), BlackJackCard('9', 'H')]
dealer_cards = [BlackJackCard('3', 'S'), BlackJackCard('J', 'C')]
deck = CardDecks(2, BlackJackCard)
hand = BlackJackHand(deck)
hand.set_initial_cards(player_cards, dealer_cards)
self.assertEqual(hand.doubledown_strategy(), BlackJackHand.doubledown, doubledown_error_message % (
hand.doubledown_strategy(), get_printable_cards(player_cards), get_printable_cards(dealer_cards), BlackJackHand.doubledown))
# make sure the bet doubles when doubling down
cards_to_deal = [BlackJackCard('9', 'D'), BlackJackCard('9', 'S'), *dealer_cards, *player_cards]
mockdeck = MockCardDecks(4, BlackJackCard, cards_to_deal)
hand = BlackJackHand(mockdeck, initial_bet=2.0)
hand.set_initial_cards(player_cards, dealer_cards)
initial_bet = hand.get_bet()
self.assertEqual(initial_bet, 2.0, "Inaccurate initial bet, found %s, expected %s" % (initial_bet, 2.0))
def strategy(hand):
if hand.deck.num_cards_left() == 2:
return BlackJackHand.doubledown # trigger play_player_turn to double the bet
else:
return BlackJackHand.stand
hand.play_player_turn(strategy)
new_bet = hand.get_bet()
self.assertEqual(new_bet, 4.0, "Your doubledown strategy did not double the current bet to %s, found %s" %
(4.0, new_bet))
def test_19_play_dealer_turn_1(self):
# dealer busts
player_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
dealer_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
cards_to_deal = [BlackJackCard('K', 'S'), BlackJackCard(
'K', 'S'), *dealer_hand, *player_hand]
deck = MockCardDecks(4, BlackJackCard, cards_to_deal)
hand = BlackJackHand(deck)
self.assertRaises(Busted, hand.play_dealer_turn)
def test_20_play_dealer_turn_2(self):
# dealer does not bust
player_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
dealer_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
cards_to_deal = [BlackJackCard('3', 'S'), BlackJackCard(
'K', 'S'), *dealer_hand, *player_hand]
deck = MockCardDecks(4, BlackJackCard, cards_to_deal)
hand = BlackJackHand(deck)
try:
hand.play_dealer_turn()
except:
self.fail('Your play_dealer_turn busted when it should not have.')
def test_17_play_player_turn_1(self):
# player busts
player_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
dealer_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
cards_to_deal = [BlackJackCard('K', 'S'), BlackJackCard(
'K', 'S'), *dealer_hand, *player_hand]
def strategy(hand):
if hand.deck.num_cards_left() > 0:
return BlackJackHand.hit
return BlackJackHand.stand
deck = MockCardDecks(4, BlackJackCard, cards_to_deal)
hand = BlackJackHand(deck)
self.assertRaises(Busted, hand.play_player_turn, strategy)
def test_18_play_player_turn_2(self):
# player does not bust
player_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
dealer_hand = [BlackJackCard('2', 'S'), BlackJackCard('2', 'S')]
cards_to_deal = [BlackJackCard('3', 'S'), BlackJackCard(
'3', 'S'), *dealer_hand, *player_hand]
def strategy(hand):
if hand.deck.num_cards_left() > 0:
return BlackJackHand.hit
return BlackJackHand.stand
deck = MockCardDecks(4, BlackJackCard, cards_to_deal)
hand = BlackJackHand(deck)
try:
hand.play_player_turn(strategy)
except:
self.fail('Your play_player_turn busted when it should not have.')
def test_04_best_value_one_ace_2(self):
# less than 21, A with value 1
cards = [BlackJackCard('2', 'C'), BlackJackCard(
'A', 'C'), BlackJackCard('K', 'S')]
self.assertEqual(BlackJackHand.best_value(cards), 13, best_value_error_message % (
BlackJackHand.best_value(cards), get_printable_cards(cards), 13))
def test_03_best_value_one_ace_1(self):
# less than 21, A with value 11
cards = [BlackJackCard('2', 'C'), BlackJackCard(
'A', 'C'), BlackJackCard('7', 'H')]
self.assertEqual(BlackJackHand.best_value(cards), 20, best_value_error_message % (
BlackJackHand.best_value(cards), get_printable_cards(cards), 20))
def test_02_best_value_no_aces_2(self):
# less than 21
cards = [BlackJackCard('2', 'C'), BlackJackCard(
'3', 'C'), BlackJackCard('K', 'H')]
self.assertEqual(BlackJackHand.best_value(cards), 15, best_value_error_message % (
BlackJackHand.best_value(cards), get_printable_cards(cards), 15))
def test_05_best_value_multiple_aces_1(self):
# one A with value 1, one A with value 11
cards = [BlackJackCard('2', 'C'), BlackJackCard(
'A', 'C'), BlackJackCard('A', 'H')]
self.assertEqual(BlackJackHand.best_value(cards), 14, best_value_error_message % (
BlackJackHand.best_value(cards), get_printable_cards(cards), 14))
def test_06_best_value_multiple_aces_2(self):
# two A with value 1
cards = [BlackJackCard('2', 'C'), BlackJackCard('A', 'C'), BlackJackCard(
'A', 'S'), BlackJackCard('8', 'H'), BlackJackCard('K', 'H')]
self.assertEqual(BlackJackHand.best_value(cards), 22, best_value_error_message % (
BlackJackHand.best_value(cards), get_printable_cards(cards), 22))
def test_06_best_value_multiple_aces_4(self):
cards = [BlackJackCard('A', 'C'), BlackJackCard('A', 'C'), BlackJackCard(
'3', 'S'), BlackJackCard('A', 'H'), BlackJackCard('5', 'H')]
self.assertEqual(BlackJackHand.best_value(cards), 21, best_value_error_message % (
BlackJackHand.best_value(cards), get_printable_cards(cards), 21))