def get_winner(players):
"""Given a list of Player namedtuples return the player
with the highest score using calculate_score.
If the length of the scores lists of the players passed in
don't match up raise a ValueError.
Returns a Player namedtuple of the winner.
You can assume there is only one winner.
For example - input:
Player(name='player 1', scores=[1, 3, 2, 5])
Player(name='player 2', scores=[1, 1, 1, 1])
Player(name='player 3', scores=[4, 5, 1, 2])
output:
Player(name='player 3', scores=[4, 5, 1, 2])
"""
scores = []
len_score = []
for player in players:
scores.append((player, calculate_score(player.scores)))
len_score.append(len(player.scores))
# ensure that the length of scores matches
if min(len_score) != max(len_score):
raise ValueError("something fishy about the length of scores!")
result = sorted(scores, key=lambda x: x[1], reverse=True)[0][0]
return result
def test_calculate_score():
assert calculate_score([1, 3, 2, 5]) == 5
assert calculate_score([1, 4, 2, 5]) == 9
assert calculate_score([1, 1, 1, 1]) == 0
assert calculate_score([4, 5, 1, 2]) == 9
assert calculate_score([6, 6, 5, 5]) == 22
def test_calculate_score_str_raises_exception():
with pytest.raises(ValueError):
calculate_score([4, -5, 6, 2])
def test_calculate_score_non_int_raises_exception():
with pytest.raises(ValueError):
calculate_score([4, 5, 6, 'a'])
def test_calculate_score_negative_numbers_raises_exception():
with pytest.raises(ValueError):
calculate_score([4, -5, -1, 2])
def test_wrong_inputs(arg):
with pytest.raises(ValueError):
calculate_score(arg)
def test_calculate_score(arg, expected):
assert calculate_score(arg) == expected
