class TestHand(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.card_library = CardLibrary()
def setUp(self):
self.cards_in_hand = [
self.card_library.get_card(name="Island"),
self.card_library.get_card(name="Island"),
self.card_library.get_card(name="Swamp"),
self.card_library.get_card("Cryptic Command")
]
self.example_hand = Hand(cards=self.cards_in_hand)
self.initial_hand_size = self.example_hand.size
def test_size(self):
"""
Checks that the Hand.size property returns the number of cards within a Hand.
"""
self.assertEqual(self.example_hand.size, len(self.cards_in_hand))
def test_draw(self):
pass
def test_add_card(self):
"""
Checks that the add_card() method adds a Card to a Hand.
"""
another_forest = self.card_library.get_card(name="Forest")
self.assertEqual(self.example_hand.size, self.initial_hand_size)
self.example_hand.add_card(another_forest)
self.assertEqual(self.example_hand.size, self.initial_hand_size + 1)
self.assertIn(another_forest, self.example_hand)
def test_play_land(self):
"""
Checks that the play_land() method returns a land Card from a deck if one is available.
"""
output_card = self.example_hand.play_land()
self.assertIsInstance(output_card, Card)
self.assertTrue(output_card.is_land)
self.assertEqual(self.example_hand.size, self.initial_hand_size - 1)
def test_has_playable_land(self):
"""
Checks that the has_playable_land property correctly reports whether or not a Hand contains a
playable land.
"""
#Example hand starts off with three playable lands, so
#after three land plays there should be no more playable lands
self.assertTrue(self.example_hand.has_playable_land)
self.example_hand.play_land()
self.assertTrue(self.example_hand.has_playable_land)
self.example_hand.play_land()
self.assertTrue(self.example_hand.has_playable_land)
self.example_hand.play_land()
self.assertFalse(self.example_hand.has_playable_land)
def test_land_priority_strategy(self):
pass
def test_add_card_one_not_ace(self):
"""
Tests the state of adding 1 non-ace card to the hand
"""
h = Hand()
card = Card('king', [10])
h.add_card(card)
self.assertListEqual(list(h.get_possible_scores()), [10])
self.assertListEqual(list(h.get_cards()), [card])
expected_tree = BinaryTree(BinaryTreeNode(0, BinaryTreeNode(10)))
self.assertTrue(h.hands.is_equivalent(expected_tree))
def test_blackjack(self):
"""
Tests whether a blackjack (21 valued hand) is correctly identified
"""
h = Hand()
card1 = Card('ace', [1, 11])
card2 = Card('king', [10])
h.add_card(card1)
self.assertFalse(h.has_blackjack())
h.add_card(card2)
self.assertTrue(h.has_blackjack())
def test_add_card_multiple_no_ace(self):
"""
Tests the state of adding multiple non-ace cards to the hand
"""
h = Hand()
card1 = Card('two', [2])
card2 = Card('king', [10])
h.add_card(card1)
h.add_card(card2)
self.assertListEqual(list(h.get_possible_scores()), [12])
self.assertListEqual(list(h.get_cards()), [card1, card2])
expected_tree = BinaryTree(
BinaryTreeNode(0, BinaryTreeNode(2, BinaryTreeNode(12))))
self.assertTrue(h.hands.is_equivalent(expected_tree))
def test_get_priority_bust(self):
"""
Tests whether the correct priority is assigned to busted hands
"""
h = Hand()
card1 = Card('ace', [1, 11])
card2 = Card('king', [10])
h.add_card(card1)
self.assertEqual(h.get_priority(), 11)
h.add_card(card2)
self.assertEqual(h.get_priority(), 21)
h.add_card(card2)
self.assertEqual(h.get_priority(), 21)
h.add_card(card2)
self.assertEqual(h.get_priority(), -31)
def test_best_score_w_ace(self):
"""
Tests whether the correct best score is returned, including aces.
"""
h = Hand()
card1 = Card('ace', [1, 11])
card2 = Card('king', [10])
h.add_card(card1)
self.assertEqual(h.get_best_score(), 11)
h.add_card(card2)
self.assertEqual(h.get_best_score(), 21)
h.add_card(card2)
self.assertEqual(h.get_best_score(), 21)
h.add_card(card2)
self.assertEqual(h.get_best_score(), 31)
def test_is_bust_w_ace(self):
"""
Tests whether a bust (all possible values > 21) is correctly identified, including aces.
"""
h = Hand()
card1 = Card('ace', [1, 11])
card2 = Card('king', [10])
h.add_card(card1)
self.assertFalse(h.is_bust())
h.add_card(card2)
self.assertFalse(h.is_bust())
h.add_card(card2)
self.assertFalse(h.is_bust())
h.add_card(card2)
self.assertTrue(h.is_bust())
def test_best_score_no_ace(self):
"""
Tests whether the correct best score is returned, excluding aces.
"""
h = Hand()
card = Card('king', [10])
h.add_card(card)
self.assertEqual(h.get_best_score(), 10)
h.add_card(card)
self.assertEqual(h.get_best_score(), 20)
h.add_card(card)
self.assertEqual(h.get_best_score(), 30)