def test_sets_must_be_three_long_to_count():
hand = Hand()
hand.add(Card(rank=Rank.JACK, suit=Suit.HEART)) # 0: JH
hand.add(Card(rank=Rank.JACK, suit=Suit.DIAMOND)) # 1: JD
md = MeldDetector(*hand.cards)
md._detect_all_melds()
assert(len(md._melds) == 0)
def test_runs_must_be_same_suit():
hand = Hand()
hand.add(Card(rank=Rank.JACK, suit=Suit.HEART))
hand.add(Card(rank=Rank.QUEEN, suit=Suit.HEART))
hand.add(Card(rank=Rank.KING, suit=Suit.CLUB))
md = MeldDetector(*hand.cards)
md._detect_all_melds()
assert(len(md._melds) == 0)
def test_optimal_melds_chosen_from_hand_with_overlapping_melds(hand_with_overlapping_sets_and_runs):
expected_melds = [
Meld(Card.from_text("2C", "2S", "2D", "2H")),
Meld(Card.from_text("4D", "5D", "6D"))
]
md = MeldDetector(*hand_with_overlapping_sets_and_runs.cards)
md.detect_optimal_melds()
assert(len(md.optimal_hand.melds) == 2)
for meld in expected_melds:
assert(meld in md.optimal_hand.melds)
assert(md.optimal_hand.deadwood_count == 3)
assert(md.optimal_hand.deadwood_value == 28)
def test_optimal_melds_chosen_from_complex_set(hand_with_complex_sets_and_runs):
expected_melds = [
Meld(Card.from_text("2D", "2S", "2H")),
Meld(Card.from_text("3D", "4D", "5D")),
Meld(Card.from_text("AC", "2C", "3C"))
]
md = MeldDetector(*hand_with_complex_sets_and_runs.cards)
md.detect_optimal_melds()
assert(len(md.optimal_hand.melds) == 3)
for meld in expected_melds:
assert(meld in md.optimal_hand.melds)
assert(md.optimal_hand.deadwood_value == 3)
def test_optimal_melds_chosen_from_simple_hand(hand_with_simple_sets_and_runs):
expected_melds = [
Meld(Card.from_text("2C", "2S", "2H")),
Meld(Card.from_text("9S", "10S", "JS")),
Meld(Card.from_text("4D", "5D", "6D"))
]
md = MeldDetector(*hand_with_simple_sets_and_runs.cards)
md.detect_optimal_melds()
assert(len(md.optimal_hand.melds) == 3)
for meld in expected_melds:
assert(meld in md.optimal_hand.melds)
assert(md.optimal_hand.deadwood_count == 1)
assert(md.optimal_hand.deadwood_value == 4)
def test_set_and_run_detection(hand_with_overlapping_sets_and_runs):
expected_melds = [
Meld(Card.from_text("2C", "2S", "2D", "2H")),
Meld(Card.from_text("2S", "2D", "2H")),
Meld(Card.from_text("2C", "2D", "2H")),
Meld(Card.from_text("2C", "2S", "2H")),
Meld(Card.from_text("2C", "2S", "2D")),
Meld(Card.from_text("4D", "5D", "6D"))
]
md = MeldDetector(*hand_with_overlapping_sets_and_runs.cards)
md._detect_all_melds()
assert(len(md._melds) == 6)
for meld in expected_melds:
assert(meld in md._melds)
def test_small_hand_is_not_complete():
hand = Hand()
hand.add(Card(rank=Rank.JACK, suit=Suit.HEART)) # 0: JH
hand.add(Card(rank=Rank.QUEEN, suit=Suit.HEART)) # 1: QH
md = MeldDetector(*hand.cards)
assert(md.is_complete_hand == False)
def test_optimal_meld_scenario_8():
h = Hand()
for card in Card.from_text(
"4C",
"4S", "3S", "2S",
"5H", "4H", "3H", "AH",
"3D", "2D"
):
h.add(card)
## in this scenario, there are two equally optimal outcomes
optimal_expected_option1 = [
Meld(Card.from_text("4C", "4S", "4H")),
Meld(Card.from_text("3H", "3S", "3D"))
]
optimal_expected_option2 = [
Meld(Card.from_text("4S", "3S", "2S")),
Meld(Card.from_text("5H", "4H", "3H"))
]
md = MeldDetector(*h.cards)
md.detect_optimal_melds()
assert(len(md.optimal_hand.melds) == len(optimal_expected_option1)) # works for either
is_option_1 = True
is_option_2 = True
for expected_meld in optimal_expected_option1:
if expected_meld not in md.optimal_hand.melds:
is_option_1 = False
for expected_meld in optimal_expected_option2:
if expected_meld not in md.optimal_hand.melds:
is_option_2 = False
assert(not (is_option_1 and is_option_2)) #highlander principle
assert(is_option_1 or is_option_2)
# b/c the two are equiv. this is true regardless of option
assert(md.optimal_hand.deadwood_value == 10)
assert(md.optimal_hand.deadwood_count == 4)
def test_complex_run_detection(hand_with_complex_runs):
# (3H, 4H, 5H),
# (4H, 5H, 6H),
# (5H, 6H, 7H),
# (3H, 4H, 5H, 6H),
# (4H, 5H, 6H, 7H),
# (3H, 4H, 5H, 6H, 7H),
# (9C, 10C, JC)
expected_melds = [
Meld(Card.from_text("3H", "4H", "5H")),
Meld(Card.from_text("4H", "5H", "6H")),
Meld(Card.from_text("5H", "6H", "7H")),
Meld(Card.from_text("3H", "4H", "5H", "6H")),
Meld(Card.from_text("4H", "5H", "6H", "7H")),
Meld(Card.from_text("3H", "4H", "5H", "6H", "7H")),
Meld(Card.from_text("9C", "10C", "JC"))
]
md = MeldDetector(*hand_with_complex_runs.cards)
md._detect_all_melds()
assert(len(md._melds) == 7)
for meld in expected_melds:
assert(meld in md._melds)
def test_optimal_meld_scenario_9():
# this is a relatively simple scenario - only one card is overused
h = Hand()
for card in Card.from_text(
"6D", "6C", "6H",
"2H", "3H", "4H",
"2S", "2C"
):
h.add(card)
optimal_expected = [
Meld(Card.from_text("6D", "6C", "6H")),
Meld(Card.from_text("2H", "3H", "4H"))
]
md = MeldDetector(*h.cards)
md.detect_optimal_melds()
assert(len(md.optimal_hand.melds) == len(optimal_expected))
for expected_meld in optimal_expected:
assert(expected_meld in md.optimal_hand.melds)
assert(md.optimal_hand.deadwood_value == 4)
assert(md.optimal_hand.deadwood_count == 2)
def test_optimal_meld_scenario_6():
h = Hand()
for card in Card.from_text(
"4S", "3S", "2S", "AS",
"3H", "2H", "AH",
"4D", "3D", "2D"
):
h.add(card)
optimal_expected = [
Meld(Card.from_text("4S", "3S", "2S", "AS")),
Meld(Card.from_text("3H", "2H", "AH")),
Meld(Card.from_text("4D", "3D", "2D"))
]
md = MeldDetector(*h.cards)
md.detect_optimal_melds()
assert(len(md.optimal_hand.melds) == len(optimal_expected))
for expected_meld in optimal_expected:
assert(expected_meld in md.optimal_hand.melds)
assert(md.optimal_hand.deadwood_value == 0)
assert(md.optimal_hand.deadwood_count == 0)
def test_optimal_meld_scenario_1():
h = Hand()
for card in Card.from_text(
"10S", "9S", "8S",
"8H",
"9C", "8C", "7C", "6C", "5C",
"KD"
):
h.add(card)
optimal_expected = [
Meld(Card.from_text("10S", "9S", "8S")),
Meld(Card.from_text("9C", "8C", "7C", "6C", "5C"))
]
md = MeldDetector(*h.cards)
md.detect_optimal_melds()
assert(len(md.optimal_hand.melds) == len(optimal_expected))
for expected_meld in optimal_expected:
assert(expected_meld in md.optimal_hand.melds)
assert(md.optimal_hand.deadwood_value == 18)
assert(md.optimal_hand.deadwood_count == 2)
def test_new_meld_detector_with_no_cards():
md = MeldDetector()
assert(isinstance(md, MeldDetector))
assert(md.size() == 0)
def test_add_clears_detect_flag(hand_with_simple_runs):
md = MeldDetector(*hand_with_simple_runs.cards)
md._detect_all_melds()
md.add(Card(rank=Rank.SIX, suit=Suit.CLUB))
assert(md._detected == False)
def test_correctly_sized_hand_is_complete(hand_with_simple_runs):
md = MeldDetector(*hand_with_simple_runs.cards) # 10 cards
assert(md.is_complete_hand == True)
md.add(Card(rank=Rank.SIX, suit=Suit.CLUB)) # 11 is ok, too
assert(md.is_complete_hand == True)
def test_simple_run_detection(hand_with_simple_runs):
"""'simple' here means each run sequence is only 3 long, so no overlap"""
md = MeldDetector(*hand_with_simple_runs.cards)
md._detect_all_melds()
assert(len(md._melds) == 2)
def test_simple_set_detection(hand_with_sets):
md = MeldDetector(*hand_with_sets.cards)
md._detect_all_melds()
assert(len(md._melds) == 6)
def test_deadwood_value_is_correct_from_overlapping_hand(hand_with_overlapping_sets_and_runs):
md = MeldDetector(*hand_with_overlapping_sets_and_runs.cards)
md.detect_optimal_melds()
assert(md.optimal_hand.deadwood_value == 28)
def test_deadwood_count_is_correct_from_simple_hand(hand_with_simple_sets_and_runs):
md = MeldDetector(*hand_with_simple_sets_and_runs.cards)
md.detect_optimal_melds()
assert(md.optimal_hand.deadwood_count == 1)
def test_new_meld_detector_init_from_hand(hand_with_simple_runs):
md = MeldDetector(*hand_with_simple_runs.cards)
assert(isinstance(md, MeldDetector))
assert(md.size() == 10)