def test_assess_hand_with_two_aces():
"""
Test that assess_hand algorithm will adjust the value(s) of Aces(s)
to ensure a maximum, non-bust value
"""
game = BlackJack()
game.dealer_hand['A'].append(11)
game.dealer_hand['A'].append(11)
game.dealer_hand['9'].append(9)
game.aces_drawn = 2
# Before calling assess_hand it should bust
assert game.is_bust(game.dealer_hand)
# call assess_hand to adjust value
game.assess_hand(game.dealer_hand)
# one of the 11s should be adjusted to 1 to prevent busting
assert game.dealer_hand['A'][0] == 1
assert not game.is_bust(game.dealer_hand)
assert game.total_value(game.dealer_hand) == 21
def test_bust():
"""Manually deal hands and test dealer busts"""
game = BlackJack()
# Dealer
game.dealer_hand['6'].append(6)
game.dealer_hand['J'].append(10)
# Player
game.player_hand['10'].append(10)
game.player_hand['J'].append(10)
game.assess_both_hands(game.player_hand, game.dealer_hand)
# Assume Player stood here
# Dealer's turn
# Dealer hits because total is still < 17
game.dealer_hand['6'].append(6) # to ensure bust
game.assess_hand(game.dealer_hand)
# Dealer busts when > 21 assuming Player hasn't busted or blackjacked
assert game.is_bust(game.dealer_hand)
assert not game.is_bust(game.player_hand)
assert not game.is_blackjack(game.player_hand)
def test_early_not_bust():
"""Initial two cards can never bust"""
game = BlackJack()
# Deal hands randomly using deal_card
for _ in range(2):
game.draw_card(game.player_hand)
game.draw_card(game.dealer_hand)
game.assess_both_hands(game.player_hand, game.dealer_hand)
# Should never bust since in the worst case A A will adjust to 1 11
assert not game.is_bust(game.player_hand)
def test_player_higher_than_dealer():
"""Manually deal hands and test that player is higher than dealer"""
game = BlackJack()
game.player_hand['A'].append(11)
game.player_hand['A'].append(11)
game.player_hand['7'].append(7)
game.dealer_hand['5'].append(5)
game.dealer_hand['5'].append(5)
game.dealer_hand['7'].append(7)
game.aces_drawn = 2
game.assess_both_hands(game.player_hand, game.dealer_hand)
assert not game.is_bust(game.player_hand)
assert game.total_value(game.player_hand) > game.total_value(
game.dealer_hand)