def test_two_pair(self):
sevens_with_fives = Hand.from_string('5D 5H 4S 7C 7S')
sevens_with_fours = Hand.from_string('4D 4H 3S 7C 7S')
sixes_with_threes = Hand.from_string('6D 6H 2S 3C 3S')
self.assertGreater(sevens_with_fives, sevens_with_fours)
self.assertGreater(sevens_with_fours, sixes_with_threes)
self.assertGreater(sevens_with_fives, sixes_with_threes)
def test_pair(self):
fives_and_seven = Hand.from_string('5D 5H 4S 7C 6S')
fives_and_six = Hand.from_string('5D 5H 3S 6C 4S')
fours = Hand.from_string('4D 4H 2S 3C AS')
self.assertGreater(fives_and_seven, fives_and_six)
self.assertGreater(fives_and_six, fours)
self.assertGreater(fives_and_seven, fours)
def test_straight(self):
five_high = Hand.from_string('5S 4S 3S 2S AS')
six_high = Hand.from_string('2S 3S 4S 5S 6S')
ace_high = Hand.from_string('TS JS QS KS AS')
self.assertGreater(ace_high, six_high)
self.assertGreater(six_high, five_high)
self.assertGreater(ace_high, five_high)
def test_three_of_a_kind(self):
fives_with_ace = Hand.from_string('5D 5H 5S 7C AS')
fives_with_three = Hand.from_string('5D 5H 5S 3C 2S')
fours = Hand.from_string('4D 4H 4S 5C AS')
self.assertGreater(fives_with_ace, fives_with_three)
self.assertGreater(fives_with_three, fours)
self.assertGreater(fives_with_ace, fours)
def test_flush(self):
king_queen = Hand.from_string('KS 5S QS 7S 4S')
king_jack = Hand.from_string('KS 5S JS 7S 4S')
queen_eight = Hand.from_string('QS 5S 8S 7S 4S')
self.assertGreater(king_queen, king_jack)
self.assertGreater(king_jack, queen_eight)
self.assertGreater(king_queen, queen_eight)
def test_full_house(self):
fives_and_fours = Hand.from_string('5D 5H 5S 4S 4D')
fives_and_threes = Hand.from_string('5D 5H 5S 3S 3D')
fours_and_aces = Hand.from_string('4D 4H 4S AC AS')
self.assertGreater(fives_and_fours, fives_and_threes)
self.assertGreater(fives_and_threes, fours_and_aces)
self.assertGreater(fives_and_fours, fours_and_aces)
def test_four_of_a_kind(self):
fives_with_ace = Hand.from_string('5D 5H 5S 5C AS')
fives_with_two = Hand.from_string('5D 5H 5S 5C 2S')
fours = Hand.from_string('4D 4H 4S 4C AS')
self.assertGreater(fives_with_ace, fives_with_two)
self.assertGreater(fives_with_two, fours)
self.assertGreater(fives_with_ace, fours)
def test_straight_flush(self):
five_high_straight_flush = Hand.from_string('5S 4S 3S 2S AS')
straight_flush = Hand.from_string('2S 3S 4S 5S 6S')
royal_flush = Hand.from_string('TS JS QS KS AS')
self.assertGreater(royal_flush, straight_flush)
self.assertGreater(straight_flush, five_high_straight_flush)
self.assertGreater(royal_flush, five_high_straight_flush)
def test_category_order(self):
hands_from_lowest_to_highest = [
Hand.from_string('TS 2S JH KS AS'), # high card
Hand.from_string('TS JS JH KS AS'), # one pair
Hand.from_string('TS JS JH TH AS'), # two pair
Hand.from_string('4D 4H 4S 7H 8D'), # three of a kind
Hand.from_string('5H 4S 3S 2D AS'), # straight
Hand.from_string('5S JS QS KS AS'), # flush
Hand.from_string('4D 4H 4S KS KD'), # full house
Hand.from_string('4D 4H 4S 4C 8D'), # four of a kind
Hand.from_string('2S 3S 4S 5S 6S'), # straight flush
Hand.from_string('TS JS QS KS AS'), # royal flush
]
resorted_hands = sorted(hands_from_lowest_to_highest)
self.assertEqual(hands_from_lowest_to_highest, resorted_hands)
def test_valid(self):
hand = Hand.from_string('4D 3D 5D 7H AD')
self.assertEqual(
hand,
Hand((
Card('4D'),
Card('3D'),
Card('5D'),
Card('7H'),
Card('AD'),
)))
def test_straight(self):
hand = Hand.from_string('TS JH QS KS AS')
self.assertEqual(hand.category, STRAIGHT)
def test_five_high_straight(self):
hand = Hand.from_string('5H 4S 3S 2D AS')
self.assertEqual(hand.category, STRAIGHT)
def test_two_pair(self):
hand = Hand.from_string('TS JS JH TH AS')
self.assertEqual(hand.category, TWO_PAIR)
def test_three_of_a_kind(self):
hand = Hand.from_string('4D 4H 4S 7H 8D')
self.assertEqual(hand.category, THREE_OF_A_KIND)
def test_one_pair(self):
hand = Hand.from_string('TS JS JH KS AS')
self.assertEqual(hand.category, ONE_PAIR)
def test_high_card(self):
hand = Hand.from_string('TS 2S JH KS AS')
self.assertEqual(hand.category, HIGH_CARD)
def test_flush(self):
hand = Hand.from_string('5S JS QS KS AS')
self.assertEqual(hand.category, FLUSH)
def test_five_high_straight_flush(self):
hand = Hand.from_string('5S 4S 3S 2S AS')
self.assertEqual(hand.category, STRAIGHT_FLUSH)
def test_four_of_a_kind(self):
hand = Hand.from_string('4D 4H 4S 4C 8D')
self.assertEqual(hand.category, FOUR_OF_A_KIND)
def test_full_house(self):
hand = Hand.from_string('4D 4H 4S KS KD')
self.assertEqual(hand.category, FULL_HOUSE)
def test_too_few_cards(self):
with self.assertRaises(InvalidHand):
Hand.from_string('4D 3D 3D 7H')
def test_straight_flush(self):
hand = Hand.from_string('2S 3S 4S 5S 6S')
self.assertEqual(hand.category, STRAIGHT_FLUSH)
def test_duplicate_cards(self):
with self.assertRaises(InvalidHand):
Hand.from_string('AD AH AS AC AD')
def test_royal_flush(self):
hand = Hand.from_string('TS JS QS KS AS')
self.assertEqual(hand.category, ROYAL_FLUSH)
def test_only_two_duplicates(self):
with self.assertRaises(InvalidHand):
Hand.from_string('4D 3D 3D 7H AD')