mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-12-21 02:30:15 +00:00
3f094fe49d
* Python linting: Add ruff rules for Pandas-vet and Pytest-style
* updating DIRECTORY.md
---------
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
229 lines
7.5 KiB
Python
229 lines
7.5 KiB
Python
import os
|
|
from itertools import chain
|
|
from random import randrange, shuffle
|
|
|
|
import pytest
|
|
|
|
from .sol1 import PokerHand
|
|
|
|
SORTED_HANDS = (
|
|
"4S 3H 2C 7S 5H",
|
|
"9D 8H 2C 6S 7H",
|
|
"2D 6D 9D TH 7D",
|
|
"TC 8C 2S JH 6C",
|
|
"JH 8S TH AH QH",
|
|
"TS KS 5S 9S AC",
|
|
"KD 6S 9D TH AD",
|
|
"KS 8D 4D 9S 4S", # pair
|
|
"8C 4S KH JS 4D", # pair
|
|
"QH 8H KD JH 8S", # pair
|
|
"KC 4H KS 2H 8D", # pair
|
|
"KD 4S KC 3H 8S", # pair
|
|
"AH 8S AS KC JH", # pair
|
|
"3H 4C 4H 3S 2H", # 2 pairs
|
|
"5S 5D 2C KH KH", # 2 pairs
|
|
"3C KH 5D 5S KH", # 2 pairs
|
|
"AS 3C KH AD KH", # 2 pairs
|
|
"7C 7S 3S 7H 5S", # 3 of a kind
|
|
"7C 7S KH 2H 7H", # 3 of a kind
|
|
"AC KH QH AH AS", # 3 of a kind
|
|
"2H 4D 3C AS 5S", # straight (low ace)
|
|
"3C 5C 4C 2C 6H", # straight
|
|
"6S 8S 7S 5H 9H", # straight
|
|
"JS QS 9H TS KH", # straight
|
|
"QC KH TS JS AH", # straight (high ace)
|
|
"8C 9C 5C 3C TC", # flush
|
|
"3S 8S 9S 5S KS", # flush
|
|
"4C 5C 9C 8C KC", # flush
|
|
"JH 8H AH KH QH", # flush
|
|
"3D 2H 3H 2C 2D", # full house
|
|
"2H 2C 3S 3H 3D", # full house
|
|
"KH KC 3S 3H 3D", # full house
|
|
"JC 6H JS JD JH", # 4 of a kind
|
|
"JC 7H JS JD JH", # 4 of a kind
|
|
"JC KH JS JD JH", # 4 of a kind
|
|
"2S AS 4S 5S 3S", # straight flush (low ace)
|
|
"2D 6D 3D 4D 5D", # straight flush
|
|
"5C 6C 3C 7C 4C", # straight flush
|
|
"JH 9H TH KH QH", # straight flush
|
|
"JH AH TH KH QH", # royal flush (high ace straight flush)
|
|
)
|
|
|
|
TEST_COMPARE = (
|
|
("2H 3H 4H 5H 6H", "KS AS TS QS JS", "Loss"),
|
|
("2H 3H 4H 5H 6H", "AS AD AC AH JD", "Win"),
|
|
("AS AH 2H AD AC", "JS JD JC JH 3D", "Win"),
|
|
("2S AH 2H AS AC", "JS JD JC JH AD", "Loss"),
|
|
("2S AH 2H AS AC", "2H 3H 5H 6H 7H", "Win"),
|
|
("AS 3S 4S 8S 2S", "2H 3H 5H 6H 7H", "Win"),
|
|
("2H 3H 5H 6H 7H", "2S 3H 4H 5S 6C", "Win"),
|
|
("2S 3H 4H 5S 6C", "3D 4C 5H 6H 2S", "Tie"),
|
|
("2S 3H 4H 5S 6C", "AH AC 5H 6H AS", "Win"),
|
|
("2S 2H 4H 5S 4C", "AH AC 5H 6H AS", "Loss"),
|
|
("2S 2H 4H 5S 4C", "AH AC 5H 6H 7S", "Win"),
|
|
("6S AD 7H 4S AS", "AH AC 5H 6H 7S", "Loss"),
|
|
("2S AH 4H 5S KC", "AH AC 5H 6H 7S", "Loss"),
|
|
("2S 3H 6H 7S 9C", "7H 3C TH 6H 9S", "Loss"),
|
|
("4S 5H 6H TS AC", "3S 5H 6H TS AC", "Win"),
|
|
("2S AH 4H 5S 6C", "AD 4C 5H 6H 2C", "Tie"),
|
|
("AS AH 3H AD AC", "AS AH 2H AD AC", "Win"),
|
|
("AH AC 5H 5C QS", "AH AC 5H 5C KS", "Loss"),
|
|
("AH AC 5H 5C QS", "KH KC 5H 5C QS", "Win"),
|
|
("7C 7S KH 2H 7H", "3C 3S AH 2H 3H", "Win"),
|
|
("3C 3S AH 2H 3H", "7C 7S KH 2H 7H", "Loss"),
|
|
("6H 5H 4H 3H 2H", "5H 4H 3H 2H AH", "Win"),
|
|
("5H 4H 3H 2H AH", "5H 4H 3H 2H AH", "Tie"),
|
|
("5H 4H 3H 2H AH", "6H 5H 4H 3H 2H", "Loss"),
|
|
("AH AD KS KC AC", "AH KD KH AC KC", "Win"),
|
|
("2H 4D 3C AS 5S", "2H 4D 3C 6S 5S", "Loss"),
|
|
("2H 3S 3C 3H 2S", "3S 3C 2S 2H 2D", "Win"),
|
|
("4D 6D 5D 2D JH", "3S 8S 3H TC KH", "Loss"),
|
|
("4S 6C 8S 3S 7S", "AD KS 2D 7D 7C", "Loss"),
|
|
("6S 4C 7H 8C 3H", "5H JC AH 9D 9C", "Loss"),
|
|
("9D 9H JH TC QH", "3C 2S JS 5C 7H", "Win"),
|
|
("2H TC 8S AD 9S", "4H TS 7H 2C 5C", "Win"),
|
|
("9D 3S 2C 7S 7C", "JC TD 3C TC 9H", "Loss"),
|
|
)
|
|
|
|
TEST_FLUSH = (
|
|
("2H 3H 4H 5H 6H", True),
|
|
("AS AH 2H AD AC", False),
|
|
("2H 3H 5H 6H 7H", True),
|
|
("KS AS TS QS JS", True),
|
|
("8H 9H QS JS TH", False),
|
|
("AS 3S 4S 8S 2S", True),
|
|
)
|
|
|
|
TEST_STRAIGHT = (
|
|
("2H 3H 4H 5H 6H", True),
|
|
("AS AH 2H AD AC", False),
|
|
("2H 3H 5H 6H 7H", False),
|
|
("KS AS TS QS JS", True),
|
|
("8H 9H QS JS TH", True),
|
|
)
|
|
|
|
TEST_FIVE_HIGH_STRAIGHT = (
|
|
("2H 4D 3C AS 5S", True, [5, 4, 3, 2, 14]),
|
|
("2H 5D 3C AS 5S", False, [14, 5, 5, 3, 2]),
|
|
("JH QD KC AS TS", False, [14, 13, 12, 11, 10]),
|
|
("9D 3S 2C 7S 7C", False, [9, 7, 7, 3, 2]),
|
|
)
|
|
|
|
TEST_KIND = (
|
|
("JH AH TH KH QH", 0),
|
|
("JH 9H TH KH QH", 0),
|
|
("JC KH JS JD JH", 7),
|
|
("KH KC 3S 3H 3D", 6),
|
|
("8C 9C 5C 3C TC", 0),
|
|
("JS QS 9H TS KH", 0),
|
|
("7C 7S KH 2H 7H", 3),
|
|
("3C KH 5D 5S KH", 2),
|
|
("QH 8H KD JH 8S", 1),
|
|
("2D 6D 9D TH 7D", 0),
|
|
)
|
|
|
|
TEST_TYPES = (
|
|
("JH AH TH KH QH", 23),
|
|
("JH 9H TH KH QH", 22),
|
|
("JC KH JS JD JH", 21),
|
|
("KH KC 3S 3H 3D", 20),
|
|
("8C 9C 5C 3C TC", 19),
|
|
("JS QS 9H TS KH", 18),
|
|
("7C 7S KH 2H 7H", 17),
|
|
("3C KH 5D 5S KH", 16),
|
|
("QH 8H KD JH 8S", 15),
|
|
("2D 6D 9D TH 7D", 14),
|
|
)
|
|
|
|
|
|
def generate_random_hand():
|
|
play, oppo = randrange(len(SORTED_HANDS)), randrange(len(SORTED_HANDS))
|
|
expected = ["Loss", "Tie", "Win"][(play >= oppo) + (play > oppo)]
|
|
hand, other = SORTED_HANDS[play], SORTED_HANDS[oppo]
|
|
return hand, other, expected
|
|
|
|
|
|
def generate_random_hands(number_of_hands: int = 100):
|
|
return (generate_random_hand() for _ in range(number_of_hands))
|
|
|
|
|
|
@pytest.mark.parametrize(("hand", "expected"), TEST_FLUSH)
|
|
def test_hand_is_flush(hand, expected):
|
|
assert PokerHand(hand)._is_flush() == expected
|
|
|
|
|
|
@pytest.mark.parametrize(("hand", "expected"), TEST_STRAIGHT)
|
|
def test_hand_is_straight(hand, expected):
|
|
assert PokerHand(hand)._is_straight() == expected
|
|
|
|
|
|
@pytest.mark.parametrize(("hand", "expected", "card_values"), TEST_FIVE_HIGH_STRAIGHT)
|
|
def test_hand_is_five_high_straight(hand, expected, card_values):
|
|
player = PokerHand(hand)
|
|
assert player._is_five_high_straight() == expected
|
|
assert player._card_values == card_values
|
|
|
|
|
|
@pytest.mark.parametrize(("hand", "expected"), TEST_KIND)
|
|
def test_hand_is_same_kind(hand, expected):
|
|
assert PokerHand(hand)._is_same_kind() == expected
|
|
|
|
|
|
@pytest.mark.parametrize(("hand", "expected"), TEST_TYPES)
|
|
def test_hand_values(hand, expected):
|
|
assert PokerHand(hand)._hand_type == expected
|
|
|
|
|
|
@pytest.mark.parametrize(("hand", "other", "expected"), TEST_COMPARE)
|
|
def test_compare_simple(hand, other, expected):
|
|
assert PokerHand(hand).compare_with(PokerHand(other)) == expected
|
|
|
|
|
|
@pytest.mark.parametrize(("hand", "other", "expected"), generate_random_hands())
|
|
def test_compare_random(hand, other, expected):
|
|
assert PokerHand(hand).compare_with(PokerHand(other)) == expected
|
|
|
|
|
|
def test_hand_sorted():
|
|
poker_hands = [PokerHand(hand) for hand in SORTED_HANDS]
|
|
list_copy = poker_hands.copy()
|
|
shuffle(list_copy)
|
|
user_sorted = chain(sorted(list_copy))
|
|
for index, hand in enumerate(user_sorted):
|
|
assert hand == poker_hands[index]
|
|
|
|
|
|
def test_custom_sort_five_high_straight():
|
|
# Test that five high straights are compared correctly.
|
|
pokerhands = [PokerHand("2D AC 3H 4H 5S"), PokerHand("2S 3H 4H 5S 6C")]
|
|
pokerhands.sort(reverse=True)
|
|
assert pokerhands[0].__str__() == "2S 3H 4H 5S 6C"
|
|
|
|
|
|
def test_multiple_calls_five_high_straight():
|
|
# Multiple calls to five_high_straight function should still return True
|
|
# and shouldn't mutate the list in every call other than the first.
|
|
pokerhand = PokerHand("2C 4S AS 3D 5C")
|
|
expected = True
|
|
expected_card_values = [5, 4, 3, 2, 14]
|
|
for _ in range(10):
|
|
assert pokerhand._is_five_high_straight() == expected
|
|
assert pokerhand._card_values == expected_card_values
|
|
|
|
|
|
def test_euler_project():
|
|
# Problem number 54 from Project Euler
|
|
# Testing from poker_hands.txt file
|
|
answer = 0
|
|
script_dir = os.path.abspath(os.path.dirname(__file__))
|
|
poker_hands = os.path.join(script_dir, "poker_hands.txt")
|
|
with open(poker_hands) as file_hand:
|
|
for line in file_hand:
|
|
player_hand = line[:14].strip()
|
|
opponent_hand = line[15:].strip()
|
|
player, opponent = PokerHand(player_hand), PokerHand(opponent_hand)
|
|
output = player.compare_with(opponent)
|
|
if output == "Win":
|
|
answer += 1
|
|
assert answer == 376
|