def test_init_pass_cards(self):
"""
When the game is first initialized
passing cards should throw an exception.
"""
game = HeartsGame()
try:
game.pass_cards(0, ["c2", "c3", "c4"])
self.fail()
except e.PassingNotInProgressError:
pass # test succeeded
def test_play_card(self):
game = HeartsGame(deal_func=lambda: example_hands)
observer = Mock()
game.add_observer(observer)
game.start()
for i in range(4):
game.pass_cards(i, example_hands[i][:3])
game.play_card("c2")
self.assertEqual([{"player": 1, "card": "c2"}], game.get_trick())
def test_finish_passing(self):
"""
Tests that the state transitions properly
into playing when passing is finished.
"""
game = HeartsGame(deal_func=lambda: example_hands)
observer = Mock()
game.add_observer(observer)
game.start()
for i in range(4):
game.pass_cards(i, example_hands[i][:3])
self.assertEqual("playing", game.get_state())
self.assertEqual(1, game.get_current_player())
new_hand = example_hands[0][:3] + example_hands[1][3:]
self.assertEqual(set(new_hand), set(game.get_hand(1)))
def test_finish_trick(self):
"""
Tests that observers are notified
when a trick is finished.
"""
game = HeartsGame(deal_func=lambda: example_hands)
game.start()
for i in range(4):
game.pass_cards(i, example_hands[i][:3])
observer = Mock()
game.add_observer(observer)
# player 1 starts
game.play_card("c2")
game.play_card("c10")
game.play_card("c6")
game.play_card("c4")
observer.on_finish_trick.assert_called_once_with(2, 0)
def test_finish_round(self):
"""
Tests that when the round is finished,
the scores are updated,
observers are notified
and a new round starts.
"""
# we're going to cheat and deal only three cards
# to each player
hands = [
["c2", "c3", "ck"],
["c5", "c6", "h2"],
["c7", "c8", "h3"],
["c9", "c10", "sq"]
]
game = HeartsGame(deal_func=lambda: hands)
game.start()
for i in range(4):
game.pass_cards(i, hands[i])
self.assertEqual(1, game.get_current_player())
game.play_card("c2")
game.play_card("c5")
game.play_card("c7")
game.play_card("c9")
self.assertEqual(0, game.get_current_player())
game.play_card("sq")
game.play_card("c3")
game.play_card("c6")
game.play_card("c8")
# player 0 wins this hand, getting 13 points
self.assertEqual(13, game.get_round_score(0))
self.assertEqual(0, game.get_current_player())
observer = Mock()
game.add_observer(observer)
game.play_card("c10")
game.play_card("ck")
game.play_card("h2")
game.play_card("h3")
# player 1 wins this hand, getting 2 points
# the round should now be over
self.assertEqual(0, game.get_current_round_number())
self.assertEqual(13, game.get_score(0))
self.assertEqual(2, game.get_score(1))
self.assertEqual([13, 2, 0, 0], game.get_scores())
observer.on_finish_round.assert_called_once_with([13, 2, 0, 0])
# We are required to manually start the next round.
game.start_next_round()
self.assertEqual(1, game.get_current_round_number())
observer.on_start_round.assert_called_once_with(1)