import pytest
from pyjack.deck import Deck


@pytest.fixture
def default_deck() -> Deck:
    deck = Deck()
    return deck


def test_deck_init(default_deck):
    """Tests if the right amount of cards is created"""
    assert len(default_deck.cards) == 52


def test_shuffle_deck(default_deck):
    """Tests if the deck is randomized after method call"""
    assert default_deck != default_deck.shuffle()


def test_card_dealing(default_deck):
    """Tests if the a card is correctly removed from the deck."""
    default_deck.shuffle()
    removed_card = default_deck.deal_card()
    assert len(default_deck.cards) == 51
    assert removed_card is not None