def test_draw_card_empty_deck(self):
mock_game = Mock()
deck = Deck(mock_game)
card = Card('Sample Card', Suit.FOX)
deck.cards = []
deck.discard_pile = [card]
self.assertEqual(deck.draw_card(), card)
def test_draw_card_empty_deck_and_discard_pile(self):
mock_game = Mock()
deck = Deck(mock_game)
deck.cards = []
deck.discard_pile = []
self.assertIsNone(deck.draw_card())
