def test_must_follow_suit_must_use_higher_trump(self):
"""
Player.ONE plays the trump Queen. Player.TWO has three trump cards.
The valid cards are only the trump King and Ace.
"""
game_state = get_game_state_with_empty_talon_for_tests()
with GameStateValidator(game_state):
ace_clubs = game_state.cards_in_hand.one[0]
queen_clubs = game_state.cards_in_hand.two[3]
game_state.cards_in_hand.two[3] = ace_clubs
game_state.cards_in_hand.one[0] = queen_clubs
action = PlayCardAction(PlayerId.ONE, queen_clubs)
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
num_legal_cards = 0
valid_cards = [Card(Suit.CLUBS, CardValue.KING),
Card(Suit.CLUBS, CardValue.ACE)]
for card in game_state.cards_in_hand[PlayerId.TWO]:
action = PlayCardAction(PlayerId.TWO, card)
is_legal_card = action.can_execute_on(game_state)
self.assertEqual(card in valid_cards, is_legal_card, msg=f"{card}")
self.assertEqual(is_legal_card,
action.can_execute_on(game_state.next_player_view()))
if is_legal_card:
num_legal_cards += 1
self.assertEqual(2, num_legal_cards)
def test_play_trick_talon_closed_opponent_cannot_follow_suit_or_trump(self):
game_state = get_game_state_for_tests()
with GameStateValidator(game_state):
trick = game_state.won_tricks.one.pop(0)
game_state.talon.append(trick.one)
game_state.talon.append(trick.two)
game_state.trick_points.one -= trick.one.card_value
game_state.trick_points.one -= trick.two.card_value
trick = game_state.won_tricks.two.pop(-1)
game_state.talon.append(trick.one)
game_state.talon.append(trick.two)
game_state.trick_points.two -= trick.one.card_value
game_state.trick_points.two -= trick.two.card_value
game_state.next_player = PlayerId.TWO
game_state.close_talon()
self.assertEqual([False, False, False, False, False],
[card.public for card in game_state.talon])
action = PlayCardAction(PlayerId.TWO, Card(Suit.DIAMONDS, CardValue.QUEEN))
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
self.assertEqual([False, False, False, False, False],
[card.public for card in game_state.talon])
action = PlayCardAction(PlayerId.ONE, Card(Suit.HEARTS, CardValue.QUEEN))
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
self.assertEqual([True, False, False, True, True],
[card.public for card in game_state.talon])
def test_must_follow_suit_can_play_any_higher_card_same_suit(self):
"""
Player.ONE has two cards of the same suit as the card played by Player.TWO,
both higher. Player.ONE also has a trump card. Any of the two cards from the
same suit as the card played by Player.TWO are valid.
"""
game_state = get_game_state_for_tests()
with GameStateValidator(game_state):
queen_hearts = game_state.cards_in_hand.one[0]
queen_clubs = game_state.cards_in_hand.two[4]
game_state.cards_in_hand.two[4] = queen_hearts
game_state.cards_in_hand.one[0] = queen_clubs
game_state.close_talon()
game_state.next_player = PlayerId.TWO
self.assertTrue(game_state.must_follow_suit())
jack_spades = Card(Suit.SPADES, CardValue.JACK)
action = PlayCardAction(PlayerId.TWO, jack_spades)
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
num_legal_cards = 0
for card in game_state.cards_in_hand[PlayerId.ONE]:
action = PlayCardAction(PlayerId.ONE, card)
is_legal_card = action.can_execute_on(game_state)
self.assertEqual(card.suit == Suit.SPADES, is_legal_card, msg=f"{card}")
self.assertEqual(is_legal_card,
action.can_execute_on(game_state.next_player_view()))
if is_legal_card:
num_legal_cards += 1
self.assertEqual(2, num_legal_cards)
def test_must_follow_trump_can_discard_any_card(self):
game_state = get_game_state_for_tests()
with GameStateValidator(game_state):
game_state.next_player = PlayerId.TWO
game_state.close_talon()
action = PlayCardAction(PlayerId.TWO,
game_state.cards_in_hand[PlayerId.TWO][0])
game_state = action.execute(game_state)
for card in game_state.cards_in_hand[PlayerId.ONE]:
action = PlayCardAction(PlayerId.ONE, card)
self.assertTrue(action.can_execute_on(game_state))
self.assertTrue(action.can_execute_on(game_state.next_player_view()))
def test_must_follow_suit_must_use_trump(self):
"""Player.TWO has no hearts, so they must use one of the trump cards."""
game_state = get_game_state_for_tests()
game_state.close_talon()
self.assertTrue(game_state.must_follow_suit())
action = PlayCardAction(PlayerId.ONE,
game_state.cards_in_hand[PlayerId.ONE][0])
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
num_legal_cards = 0
for card in game_state.cards_in_hand[PlayerId.TWO]:
action = PlayCardAction(PlayerId.TWO, card)
is_legal_card = action.can_execute_on(game_state)
self.assertEqual(card.suit == game_state.trump, is_legal_card,
msg=f"{card}")
self.assertEqual(is_legal_card,
action.can_execute_on(game_state.next_player_view()))
if is_legal_card:
num_legal_cards += 1
self.assertEqual(3, num_legal_cards)
def test_can_only_execute_on_players_turn(self):
game_state = get_game_state_for_tests()
card = game_state.cards_in_hand[PlayerId.ONE][0]
action_one = PlayCardAction(PlayerId.ONE, card)
self.assertTrue(action_one.can_execute_on(game_state))
self.assertTrue(action_one.can_execute_on(game_state.next_player_view()))
action_two = PlayCardAction(PlayerId.TWO,
game_state.cards_in_hand[PlayerId.TWO][0])
self.assertFalse(action_two.can_execute_on(game_state))
self.assertFalse(action_two.can_execute_on(game_state.next_player_view()))
game_state = action_one.execute(game_state)
self.assertFalse(action_one.can_execute_on(game_state))
self.assertFalse(action_one.can_execute_on(game_state.next_player_view()))
self.assertTrue(action_two.can_execute_on(game_state))
self.assertTrue(action_two.can_execute_on(game_state.next_player_view()))
def test_must_follow_suit_cannot_play_lower_card_same_suit(self):
"""
Player.ONE has two cards of the same suit as the card played by Player.TWO,
one lower and one higher. Player.ONE also has a trump card. The only valid
card is the higher card having the same suit as the card played by
Player.TWO.
"""
game_state = get_game_state_for_tests()
with GameStateValidator(game_state):
ten_spades = game_state.cards_in_hand.one[3]
jack_spades = game_state.cards_in_hand.two[3]
game_state.cards_in_hand.two[3] = ten_spades
game_state.cards_in_hand.one[3] = jack_spades
queen_hearts = game_state.cards_in_hand.one[0]
queen_clubs = game_state.cards_in_hand.two[4]
game_state.cards_in_hand.two[4] = queen_hearts
game_state.cards_in_hand.one[0] = queen_clubs
game_state.close_talon()
game_state.next_player = PlayerId.TWO
self.assertTrue(game_state.must_follow_suit())
action = PlayCardAction(PlayerId.TWO, ten_spades)
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
ace_spades = Card(Suit.SPADES, CardValue.ACE)
num_legal_cards = 0
for card in game_state.cards_in_hand[PlayerId.ONE]:
action = PlayCardAction(PlayerId.ONE, card)
is_legal_card = action.can_execute_on(game_state)
self.assertEqual(card == ace_spades, is_legal_card, msg=f"{card}")
self.assertEqual(is_legal_card,
action.can_execute_on(game_state.next_player_view()))
if is_legal_card:
num_legal_cards += 1
self.assertEqual(1, num_legal_cards)
def test_play_trick_talon_closed_opponent_cannot_follow_suit(self):
game_state = get_game_state_for_tests()
with GameStateValidator(game_state):
trick = game_state.won_tricks.two.pop(0)
game_state.talon.append(trick.one)
game_state.talon.append(trick.two)
trick = game_state.won_tricks.two.pop(0)
game_state.talon.append(trick.one)
game_state.talon.append(trick.two)
game_state.trick_points.two = 0
game_state.close_talon()
self.assertEqual([False, False, False, False, False],
[card.public for card in game_state.talon])
action = PlayCardAction(PlayerId.ONE, Card(Suit.HEARTS, CardValue.TEN))
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
self.assertEqual([False, False, False, False, False],
[card.public for card in game_state.talon])
action = PlayCardAction(PlayerId.TWO, Card(Suit.CLUBS, CardValue.JACK))
self.assertTrue(action.can_execute_on(game_state))
game_state = action.execute(game_state)
self.assertEqual([False, True, True, False, False],
[card.public for card in game_state.talon])
def test_cannot_play_cards_not_in_hand(self):
game_state = get_game_state_for_tests()
for card in Card.get_all_cards():
action = PlayCardAction(PlayerId.ONE, card)
self.assertEqual(card in game_state.cards_in_hand[PlayerId.ONE],
action.can_execute_on(game_state))
self.assertEqual(card in game_state.cards_in_hand[PlayerId.ONE],
action.can_execute_on(game_state.next_player_view()))
action = PlayCardAction(PlayerId.ONE,
game_state.cards_in_hand[PlayerId.ONE][0])
self.assertTrue(action.can_execute_on(game_state))
self.assertTrue(action.can_execute_on(game_state.next_player_view()))
game_state = action.execute(game_state)
for card in Card.get_all_cards():
action = PlayCardAction(PlayerId.TWO, card)
self.assertEqual(card in game_state.cards_in_hand[PlayerId.TWO],
action.can_execute_on(game_state))
self.assertEqual(card in game_state.cards_in_hand[PlayerId.TWO],
action.can_execute_on(game_state.next_player_view()))