def test_play_cannot_follow_suit(self):
"""
Tests that a player can play a card of a different suit
if they cannot follow suit.
"""
hands = [
['d4', 'dj', 's9', 'h5', 'c2', 'h1', 'd2', 'h8', 'd3', 's2', 'd9', 'd8', 'dq'],
['s7', 'c5', 'c4', 'c10', 'h6', 'c3', 'h10', 'hk', 'd7', 'dk', 'h4', 'sj', 'hq'],
['hj', 's5', 'd5', 's6', 's10', 'd1', 'sk', 's4', 'h7', 'd10', 'c9', 'cq', 'cj'],
['d6', 'h2', 'sq', 'c8', 'h9', 'ck', 'h3', 'c6', 's1', 'c1', 's3', 'c7', 's8']
]
round = HeartsRound(hands)
# get the first trick out of the way
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
round.play_card("c8")
# player 1 to start now
self.assertEqual(1, round.get_current_player())
round.play_card("c3")
round.play_card("cj")
round.play_card("c7")
round.play_card("dq") # player 0 has no clubs
# player 2 wins due to cj
self.assertEqual(2, round.get_current_player())
def test_add_to_score(self):
"""
Tests that when a player wins a heart,
their score is incremented.
"""
hands = [
["d4", "dj", "s9", 'h5', 'c2', 'h1', 'd2', 'h8', 'd3', 's2', 'd9', 'd8', 'dq'],
["s7", "c5", "c4", 'c10', 'h6', 'c3', 'h10', 'hk', 'd7', 'dk', 'h4', 'sj', 'hq'],
["hj", "s5", "d5", 's6', 's10', 'd1', 'sk', 's4', 'h7', 'd10', 'c9', 'cq', 'cj'],
["d6", "h2", "sq", 'c8', 'h9', 'ck', 'h3', 'c6', 's1', 'c1', 's3', 'c7', 's8']
]
round = HeartsRound(hands)
# get the first trick out of the way
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
round.play_card("c8")
# player 1 to start now
self.assertEqual(1, round.get_current_player())
round.play_card("c3")
round.play_card("cj")
round.play_card("c7")
round.play_card("h5") # player 0 has no clubs
# player 2 wins due to cj,
# so their score should update.
self.assertEqual(1, round.get_score(2))
def test_play_first_move_not_two_of_clubs(self):
"""
The first card of the round should always be the two of clubs.
"""
round = HeartsRound(example_hands)
try:
round.play_card("c5")
self.fail()
except m.InvalidMoveError:
pass # test succeeded
def test_play_move_current_player_rollover(self):
"""
The current player should roll over to player 0
after player 3 plays a card.
"""
hands = [example_hands[1], example_hands[2], example_hands[3], example_hands[0]]
round = HeartsRound(hands)
self.assertEqual(3, round.get_current_player())
round.play_card("c2")
self.assertEqual(0, round.get_current_player())
def test_play_move_current_player(self):
"""
When a move has been played, the current player should update.
"""
round = HeartsRound(example_hands)
self.assertEqual(0, round.get_current_player())
round.play_card("c2")
self.assertEqual(1, round.get_current_player())
def test_play_move(self):
"""
The leading player should be able to play a card,
which should get put onto the trick.
"""
round = HeartsRound(example_hands)
round.play_card("c2")
expected = [{"player": 0, "card": "c2"}]
self.assertEquals(expected, round.get_trick())
def test_play_move_2(self):
"""
Same as before, but no passing and different leading player
"""
new_hands = [example_hands[1], example_hands[0], example_hands[2], example_hands[3]]
round = HeartsRound(new_hands)
round.play_card("c2")
expected = [{"player": 1, "card": "c2"}]
self.assertEquals(expected, round.get_trick())
def test_play_first_trick_break_hearts(self):
"""
Tests that hearts cannot be played on the first trick
"""
hands = [
['h5', 's7', 'c2', 'h1', 'd2', 'c6', 'd3', 's2', 'd9', 'c5', 'd8', 'dq', 'c4'],
['c10', 'h6', 'c3', 'h10', 'hk', 'ck', 'dk', 'h4', 'sj', 'hq', 'hj', 's5', 'd5'],
['s6', 'c8', 'd1', 'sk', 's4', 'h7', 'd10', 'sq', 'c9', 'cq', 'c1', 'c7', 'cj'],
['d4', 's10', 'h9', 'd7', 'h3', 'h8', 'dj', 's9', 's1', 'd6', 's3', 'h2', 's8']
]
round = HeartsRound(hands)
# player 0 has the c2, so they start
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
try:
# player 3 has no clubs,
# but they cannot play a heart on the first trick
round.play_card("h9")
self.fail()
except m.InvalidMoveError:
pass
def test_play_second_move_bad_suit(self):
"""
After the first move, the second player must play a club,
not any other suit.
"""
round = HeartsRound(example_hands)
round.play_card("c2")
try:
round.play_card("d7")
self.fail()
except m.InvalidMoveError:
pass # test succeeded
def test_play_second_move(self):
"""
After the first move, the second player can play any club
"""
round = HeartsRound(example_hands)
round.play_card("c2")
round.play_card("c10")
expected = [
{"player": 0, "card": "c2"},
{"player": 1, "card": "c10"}
]
self.assertEqual(expected, round.get_trick())
def test_play_card_not_in_hand(self):
"""
Tests that a player can only play cards
that are in their hand.
"""
round = HeartsRound(example_hands)
round.play_card("c2")
try:
# this card is not in player 1's hand
round.play_card("c5")
self.fail()
except m.InvalidMoveError:
pass # test succeeded
def test_play_follow_suit_not_clubs(self):
"""
Players must follow suit
whatever suit the first card is.
"""
round = HeartsRound(example_hands)
# get the first trick out of the way
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
round.play_card("c8")
# player one wins, they lead
round.play_card("d7")
try:
# player two tries to play a non-diamond card
round.play_card("cq")
self.fail()
except m.InvalidMoveError:
pass # test succeeded
def test_play_heart_not_broken(self):
"""
Tests that a player cannot lead with a heart
when hearts has not been broken.
"""
round = HeartsRound(example_hands)
# get the first trick out of the way
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
round.play_card("c8")
# player 1 wins, next trick
try:
round.play_card("h6")
self.fail()
except m.InvalidMoveError:
pass # test succeeded
def test_play_card_already_played(self):
"""
Tests that a player cannot play a card
that they already played on a previous trick.
"""
round = HeartsRound(example_hands)
# get the first trick out of the way
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
round.play_card("c8")
# player 1 wins, next trick
try:
# player 1 already played this card
round.play_card("c10")
self.fail()
except m.InvalidMoveError:
pass # test succeeded
def test_finish_trick_winner(self):
"""
Tests that the winner of the trick is properly set.
"""
round = HeartsRound(example_hands)
# play the trick
round.play_card("c2")
round.play_card("c10")
round.play_card("cq")
round.play_card("c8")
# player 2 was the winner,
# so we expect them to be the current player
self.assertEqual(2, round.get_current_player())
def test_finish_trick(self):
"""
Tests that the next trick is set up properly
when a trick is finished.
"""
round = HeartsRound(example_hands)
# play the trick
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
round.play_card("c8")
# player 1 was the winner,
# so we expect them to be the current player
self.assertEqual(1, round.get_current_player())
# the trick should be empty now
self.assertEqual([], round.get_trick())
def test_play_break_hearts(self):
"""
Tests that once hearts is broken,
it is possible to lead with a heart.
"""
hands = [
["d4", "dj", "s9", 'h5', 'c2', 'h1', 'd2', 'h8', 'd3', 's2', 'd9', 'd8', 'dq'],
["s7", "c5", "c4", 'c10', 'h6', 'c3', 'h10', 'hk', 'd7', 'dk', 'h4', 'sj', 'hq'],
["hj", "s5", "d5", 's6', 's10', 'd1', 'sk', 's4', 'h7', 'd10', 'c9', 'cq', 'cj'],
["d6", "h2", "sq", 'c8', 'h9', 'ck', 'h3', 'c6', 's1', 'c1', 's3', 'c7', 's8']
]
round = HeartsRound(hands)
# get the first trick out of the way
round.play_card("c2")
round.play_card("c10")
round.play_card("c9")
round.play_card("c8")
# player 1 to start now
self.assertEqual(1, round.get_current_player())
round.play_card("c3")
round.play_card("cj")
round.play_card("c7")
round.play_card("h5") # player 0 has no clubs
# player 2 wins due to cj
self.assertEqual(2, round.get_current_player())
# check that hearts is broken
self.assertTrue(round.is_hearts_broken())
# player 2 can lead with a heart now
round.play_card("h7")
self.assertEqual([{"player": 2, "card": "h7"}], round.get_trick())
