class TestDeck(unittest.TestCase):
def setUp(self):
self.deck = Deck()
self.fake_cards = [ FakeCard(), FakeCard(), FakeCard() ]
self.deck.cards = self.fake_cards[:]
def test_shuffle_randomizes_card_order(self):
# arrange
sorted_cards = []
for i in xrange(10000):
sorted_cards.append(FakeCard())
self.deck.cards = sorted_cards[:]
# act
self.deck.shuffle()
# assert
self.assertEqual(len(self.deck.cards), len(sorted_cards))
self.assertNotEqual(self.deck.cards, sorted_cards)
def test_shuffle_flips_cards(self):
# arrange
Deck.SHUFFLE_FLIP_PROBABILITY = 1.0
# act
self.deck.shuffle()
# assert
for card in self.fake_cards:
self.assertTrue(card.flip_called)
def test_nextCard_returns_cards_in_correct_order(self):
# arrange
next_cards = []
# act
for i in range(len(self.fake_cards)):
next_cards.append(self.deck.nextCard())
# assert
self.assertEqual(next_cards, self.fake_cards)
def test_nextCard_throws_exception_when_deck_empty(self):
# arrange
try:
# act
for i in range(len(self.fake_cards) + 1):
self.deck.nextCard()
except DeckEmptyException:
pass
