class DeckTests(unittest.TestCase):
def setUp(self):
self.deck = Deck()
def test_init(self):
'''deck should have 52 cards'''
self.assertTrue(isinstance(self.deck.cards, list))
self.assertEqual(len(self.deck.cards), 52)
def test_repr(self):
"""repr should return a string in the form of 'deck of cards'"""
self.assertEqual(repr(self.deck), "Deck of 52 cards")
def test_count(self):
"""count should return a count of the number of cards"""
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"""
cards = self.deck._deal(10)
self.assertEqual(len(cards), 10)
self.assertEqual(self.deck.count(), 42)
def test_deal_insufficient_cards(self):
cards = self.deck._deal(100)
self.assertEqual(len(cards), 52)
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(1)
def test_deal_card(self):
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):
cards = self.deck.deal_hand(20)
self.assertEqual(len(cards),20)
self.assertEqual(self.deck.count(),32)
def test_shuffle_full_deck(self):
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):
self.deck._deal(1)
with self.assertRaises(ValueError):
self.deck.shuffle()
class TestingDeckClass(unittest.TestCase):
def setUp(self):
self.deck = Deck()
def test_init(self):
"""decks should have a cards attibute which is a list"""
self.assertTrue(isinstance(self.deck.cards, list))
self.assertEqual(len(self.deck.cards), 52)
def test_deck_repr(self):
"""Test that repr returns a deck of 52 cards when first initialized, no more no less"""
self.assertEqual(str(self.deck), "Deck of 52 cards")
def test_count(self):
""" count should return a count of the number of cards"""
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"""
cards = self.deck._deal(10)
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"""
cards = self.deck._deal(100)
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 whould 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"""
cards = self.deck.deal_hand(20)
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 if the deck isn't full"""
self.deck._deal(1)
with self.assertRaises(ValueError):
self.deck.shuffle()
class DeckTests(unittest.TestCase):
def setUp(self):
self.sample_deck = Deck()
def test_init(self):
self.assertIsInstance(self.sample_deck.cards, list)
self.assertEqual(len(self.sample_deck.cards), 52)
def test_repr(self):
self.assertEqual(repr(self.sample_deck), "Deck of 52 cards")
def test_iter(self):
self.assertTrue(iter(self.sample_deck))
def test_count(self):
self.assertEqual(self.sample_deck.count(), 52)
self.sample_deck.cards.pop()
self.assertEqual(self.sample_deck.count(), 51)
def test_deal_cards(self):
self.sample_deck._deal(10)
self.assertEqual(len(self.sample_deck.cards), 42)
self.assertEqual(len(self.sample_deck._new_hand), 10)
def test_deal_last(self):
self.sample_deck._deal(56)
self.assertEqual(len(self.sample_deck.cards), 0)
self.assertEqual(len(self.sample_deck._new_hand), 52)
def test_deal_no_cards(self):
self.sample_deck.cards.clear()
with self.assertRaises(ValueError):
self.sample_deck._deal(2)
def test_deal_card(self):
result = self.sample_deck.deal_card()
self.assertIsInstance(result, Card)
self.assertEqual(result, self.sample_deck._new_hand[0])
self.assertEqual(len(self.sample_deck.cards), 51)
self.assertEqual(len(self.sample_deck._new_hand), 1)
def test_deal_hand(self):
result = self.sample_deck.deal_hand(15)
self.assertIsInstance(result, list)
self.assertEqual(len(self.sample_deck.cards), 37)
self.assertEqual(len(self.sample_deck._new_hand), 15)
def test_shuffle_invalid(self):
"""shuffle raises a ValueError if the card deck is not full"""
self.sample_deck.cards.pop()
with self.assertRaises(ValueError):
self.sample_deck.shuffle()
def test_shuffle_valid(self):
"""shuffle shuffles a full deck in place"""
original = self.sample_deck.cards[:] #making a new copy b/c lists are mutable!
self.sample_deck.shuffle()
result = self.sample_deck.cards
self.assertEqual(len(result), 52)
self.assertFalse(original == result)
