def test_cards_can_be_compared_before_a_suit_is_led(self) -> None:
players = [Player(), Player(), Player(), Player()]
deal = Deal(players=players, bidder_index=0)
trick = Trick(deal=deal, leading_player_index=0)
# The queen should be consider higher, as we are assuming we are not
# dealing with a trump suit, given that no trump suit was even specified yet.
self.assertEqual(
1,
trick.compare_cards(Card(suit=Suit.HEARTS, rank=Rank.JACK),
Card(suit=Suit.HEARTS, rank=Rank.QUEEN)))
# Unrelated cards cannot be compared properly without a trump suit or a led suit.
self.assertEqual(
0,
trick.compare_cards(
Card(suit=Suit.HEARTS, rank=Rank.JACK),
Card(suit=Suit.SPADES, rank=Rank.ACE),
))
deal.trump_suit = Suit.HEARTS
# Now that we have a trump suit defined, the higher trump should rank higher.
self.assertEqual(
-1,
trick.compare_cards(Card(suit=Suit.HEARTS, rank=Rank.JACK),
Card(suit=Suit.HEARTS, rank=Rank.QUEEN)))
