def test_correct_card_returned_given_a_suit_and_rank(self):
'''
This function is testing :
1. The correct card object is created for a given rank and suit and
2. the definition of __str__ inside the Card class.
'''
rank = "Two"
suit = "Hearts"
sample_card = Card(rank, suit)
actual_result = sample_card.__str__()
self.assertEqual(actual_result, "Two of Hearts")
def test_the_correct_card_is_added_when_add_card_is_called(self):
'''
Test the add_card method in Hand class
'''
expected_cards_in_hand = [Card("Ace", "Hearts"), Card("Ace", "Spades")]
expected_value = 21
expected_hand_length = 2
self.test_hand.add_card(expected_cards_in_hand[0])
self.test_hand.add_card(expected_cards_in_hand[1])
self.assertEqual(expected_cards_in_hand, self.test_hand.cards)
self.assertEqual(expected_value, self.test_hand.value)
self.assertEqual(expected_hand_length, len(self.test_hand))
def setUp(self):
'''
This method sets up the common variables for all the \
unit tests in this module
'''
self.game = Game()
self.player_hand = Hand()
self.dealer_hand = Hand()
self.card_deck = Deck()
self.dealer_hand.add_card(Card("Ace", "Hearts"))
self.dealer_hand.add_card(Card("Ace", "Spades"))
self.player_hand.add_card(Card("2", "Hearts"))
self.player_hand.add_card(Card("3", "Hearts"))
self.player_chips = Chips()
self.dealer_chips = Chips()
def __init__(self):
'''
Initialises the deck object by creating 52 cards of a playing card deck
'''
self.cards = []
for suit in self.suits:
for rank in self.ranks:
self.cards.append(Card(rank, suit))
def test_an_error_is_raised_when_a_card_other_than_ace_is_used_with_adjust_for_ace(
self):
'''
Test the adjust_for_ace method in the Hand class when a card other than an ace is used.
'''
with self.assertRaises(Exception) as context:
self.test_hand.adjust_for_ace(Card("2", "Hearts"))
self.assertEqual("It is not an ace.", str(context.exception))
def test_the_correct_value_of_ace_is_used_when_total_hand_value_is_9(self):
'''
Test the adjust_for_ace method in the Hand class when the total value of hand is 9
'''
expected_value = 20
self.test_hand.value = 9
self.test_hand.adjust_for_ace(Card("Ace", "Hearts"))
self.assertEqual(expected_value, self.test_hand.value)
def test_given_suits_and_ranks_build_the_card_deck(self):
'''
Tests that when a deck object is created a deck of 52 cards has been generated
'''
expected_result = []
for suit in self.suits:
for rank in self.ranks:
expected_result.append(Card(rank, suit))
self.test_deck.__init__()
self.assertEqual(expected_result[0].__str__(), \
self.test_deck.cards[0].__str__())
self.assertEqual(expected_result[34].__str__(), \
self.test_deck.cards[34].__str__())