class DeckTests(unittest.TestCase):
def setUp(self):
self.deck = Deck()
def test_deck_init(self):
self.assertTrue(isinstance(self.deck.card_deck, list))
def test_repr(self):
self.assertEqual(repr(self.deck), "'Deck of 52 cards'")
def test_count(self):
self.assertEqual(self.deck.count(), 52)
self.deck.card_deck.pop()
self.assertEqual(self.deck.count(), 51)
def test_deal_sufficient_cards(self):
cards = self.deck._deal(10)
self.assertEqual(len(cards), 10)
self.assertEqual(self.deck.count(), 42)
def test_deal_insufficient_cards(self):
self.deck._deal(55)
self.assertEqual(self.deck.count(), 0)
def test_deal_no_cards(self):
self.deck._deal(self.deck.count())
with self.assertRaises(ValueError):
self.deck._deal(55)
def test_deal_card(self):
card = self.deck.card_deck[-1]
dealt_card = self.deck.deal_card()
self.assertEqual([card], dealt_card)
self.assertEqual(self.deck.count(), 51)
def test_deal_hand(self):
cards = self.deck.deal_hand(20)
self.assertEqual(len(cards), 20)
self.assertEqual(self.deck.count(), 32)
def shuffle_full_deck(self):
cards = self.deck.card_deck[:]
self.deck.shuffle()
self.assertNotEqual(cards, self.deck.card_deck)
self.assertEqual(len(self.deck.card_deck), 52)
def shuffle_not_full_deck(self):
self.deck.deal_hand(20)
with self.assertRaises(ValueError):
self.deck.shuffle()
class DeckTests(unittest.TestCase):
def setUp(self):
self.deck = Deck()
def test_init(self):
""" a deck should have a cards attribute which is a list consisting of 52 cards """
self.assertIsInstance(self.deck.cards, list)
self.assertEqual(len(self.deck.cards), 52)
def test_repr(self):
self.assertEqual(repr(self.deck), "Deck of 52 cards")
def test_count(self):
""" count should return count of the number of cards in the deck"""
self.assertEqual(self.deck.count(), 52)
self.deck.cards.pop()
self.assertEqual(self.deck.count(), 51)
def test_deal_sufficient_cards(self):
""" _deal should deal number of cards specified """
self.cards = self.deck._deal(10)
self.assertEqual(len(self.cards), 10)
self.assertEqual(self.deck.count(), 42)
def test_deal_insufficient_cards(self):
"""_ deal should deal number of cards left in the deck if specified number is high"""
self.cards = self.deck._deal(100)
self.assertEqual(len(self.cards), 52)
self.assertEqual(self.deck.count(), 0)
def test_deal_no_cards(self):
"""_deal should throw a ValueError if there is no cards left in the deck"""
self.deck._deal(self.deck.count())
with self.assertRaises(ValueError):
self.deck._deal(1)
def test_deal_card(self):
"""deal_card should deal a single card from the deck """
card = self.deck.cards[-1]
dealt_card = self.deck.deal_card()
self.assertEqual(card, dealt_card)
self.assertEqual(self.deck.count(), 51)
def test_deal_hand(self):
""" deal_hand should deal number of cards specified from the deck"""
hand = self.deck.deal_hand(20)
self.assertEqual(len(hand), 20)
self.assertEqual(self.deck.count(), 32)
def test_shuffle_deck(self):
""" shuffle should shuffle the deck only when it is full"""
cards = self.deck.cards[:]
self.deck.shuffle()
self.assertNotEqual(cards, self.deck.cards)
self.assertEqual(self.deck.count(), 52)
def test_shuffle_not_full_deck(self):
"""shuffle should throw a ValueError when tried shuffling not a full deck"""
self.deck._deal(1)
with self.assertRaises(ValueError):
self.deck.shuffle()
class DeckTests(unittest.TestCase):
def setUp(self):
self.deck = Deck()
def test_init(self):
"""decks should have a cards attribute, which is a list with 52 elements"""
self.assertTrue(isinstance(self.deck.cards, list))
self.assertEqual(len(self.deck.cards), 52)
def test_repr(self):
"""repr should return a string of the form 'Deck of COUNT cards.'"""
self.assertEqual(repr(self.deck), "Deck of 52 cards")
def test_count(self):
"""count should return a count of the number of cards in the deck."""
self.assertEqual(self.deck.count(), 52)
self.deck.cards.pop()
self.assertEqual(self.deck.count(), 51)
def test_deal_sufficient_cards(self):
"""_deal should deal the number of cards specified, if possible"""
cards = self.deck._deal(10)
self.assertTrue(isinstance(cards, list),
"_deal(10) should return a list of 10 cards")
self.assertEqual(len(cards), 10)
self.assertEqual(self.deck.count(), 42)
def test_deal_insufficient_cards(self):
"""_deal should deal the number of cards left in the deck, if more cards are requested"""
cards = self.deck._deal(100)
self.assertTrue(
isinstance(cards, list),
"_deal(100) should return a list with all cards left in deck")
self.assertEqual(len(cards), 52)
self.assertEqual(self.deck.count(), 0)
def test_deal_no_cards(self):
"""_deal should throw a ValueError if the deck is empty"""
self.deck._deal(self.deck.count())
with self.assertRaises(ValueError):
self.deck._deal(1)
def test_deal_card(self):
"""deal_card should deal a single card from the deck"""
card = self.deck.cards[-1]
dealt_card = self.deck.deal_card()
self.assertEqual(card, dealt_card)
self.assertEqual(self.deck.count(), 51)
def test_deal_hand(self):
"""deal_hand should deal the number of cards passed into it"""
cards = self.deck.deal_hand(20)
self.assertTrue(isinstance(cards, list),
"_deal(20) should return a list with 20 cards in it")
self.assertEqual(len(cards), 20)
self.assertEqual(self.deck.count(), 32)
def test_shuffle_full_deck(self):
"""shuffle should shuffle the deck if the deck is full"""
cards = self.deck.cards[:]
self.deck.shuffle()
self.assertNotEqual(cards, self.deck.cards)
self.assertEqual(self.deck.count(), 52)
def test_shuffle_not_full_deck(self):
"""shuffle should throw a ValueError of the deck isn't full"""
self.deck._deal(1)
with self.assertRaises(ValueError):
self.deck.shuffle()
