def test_dealOneCard_whenCalledBeforeShuffle_returnsAceCardAsDeckConfiguredAceHigh(self):
deck = PokerDeck.create()
card = deck.dealOneCard()
# by default cards are ordered asc so smallest cards are at the bottom
# this is definitely an implementation detail that could be interpreted differently
# if we wanted to have the "2" at the top, would change the Deck's init to sort descending then update this test
assert card and card.id == "A"
def test_shuffle_whenNoCards_thenNoError(self):
deck = PokerDeck.create()
# deal all cards
while deck.cardsRemaining():
deck.dealOneCard()
deck.shuffle()
assert True
def test_create_whenCalled_thenCardsOrderedAscending(self):
deck = PokerDeck.create()
orderedCorrectly = True
for i in range(1, len(deck._cards)): # start at index 1 to guarantee (i-1) in bounds
if deck._cards[i - 1].order > deck._cards[i].order:
orderedCorrectly = False
break
assert orderedCorrectly
def test_dealOneCard_whenDeckIsEmpty_thenNoCardDealt(self):
deck = PokerDeck.create()
deck.shuffle()
# deal all cards
while deck.cardsRemaining() > 0:
deck.dealOneCard()
# deck is now empty
card = deck.dealOneCard()
assert card is None
def test_shuffle_whenTwoCards_thenSwapped(self):
deck = PokerDeck.create()
numCards = deck.cardsRemaining()
for _ in range(numCards - 2):
deck.dealOneCard()
preShuffleCards = deck._cards[:] # shallow copy
deck.shuffle()
assert preShuffleCards[0].id == deck._cards[1].id
assert preShuffleCards[1].id == deck._cards[0].id
def test_shuffle_whenFullDeck_thenSuccess(self):
deck = PokerDeck.create()
preShuffleCards = deck._cards[:] # shallow copy
deck.shuffle()
atLeastOneCardPositionChanged = False
for i in range(deck._initCardCount):
if preShuffleCards[i].id != deck._cards[i].id:
atLeastOneCardPositionChanged = True
break
assert atLeastOneCardPositionChanged
def test_create_whenCalled_thenFiftyTwoCardsCreatedSuccessfully(self):
deck = PokerDeck.create()
heartUniqueSeen = set()
spadeUniqueSeen = set()
clubUniqueSeen = set()
diamondUniqueSeen = set()
for card in deck._cards:
if card.suit == Suit.HEART: heartUniqueSeen.add(card.id)
if card.suit == Suit.SPADE: spadeUniqueSeen.add(card.id)
if card.suit == Suit.CLUB: clubUniqueSeen.add(card.id)
if card.suit == Suit.DIAMOND: diamondUniqueSeen.add(card.id)
assert len(heartUniqueSeen) == 13
assert len(spadeUniqueSeen) == 13
assert len(clubUniqueSeen) == 13
assert len(diamondUniqueSeen) == 13
def test_dealOneCard_whenCalledBeforeShuffle_returnsKingCardAsDeckConfiguredAceLow(self):
deck = PokerDeck.create({"ace_high": False})
card = deck.dealOneCard()
assert card and card.id == "K"
def test_init_whenCardsProvided_thenSetProperly(self):
cards = []
cards.append(PokerCard('2', 'Two', Suit.HEART, 2))
cards.append(PokerCard('3', 'Three', Suit.HEART, 3))
deck = PokerDeck(cards)
assert len(deck._cards) == 2
def test_isEmpty_whenFiftyTwoDealt_thenReturnTrue(self):
deck = PokerDeck.create()
for _ in range(52):
deck.dealOneCard()
assert deck.isEmpty() == True
def test_isEmpty_whenOneDealt_thenReturnFalse(self):
deck = PokerDeck.create()
deck.dealOneCard()
assert deck.isEmpty() == False
def test_cardsRemaining_whenOneDealt_thenReturnFiftyOne(self):
deck = PokerDeck.create()
deck.dealOneCard()
assert deck.cardsRemaining() == 51
def test_cardsRemaining_whenNoneDealt_thenReturnFiftyTwo(self):
deck = PokerDeck.create()
assert deck.cardsRemaining() == 52
def test_cardsDealt_whenOneDealt_thenReturnOne(self):
deck = PokerDeck.create()
deck.dealOneCard()
assert deck.cardsDealt() == 1
def test_init_whenCalled_thenDeckTypeIsPoker(self):
deck = PokerDeck([])
assert deck.deckType == DeckType.POKER
def test_cardsDealt_whenNone_thenReturnZero(self):
deck = PokerDeck.create()
assert deck.cardsDealt() == 0