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import pytest
from freeorion_tools import combine_ratings
@pytest.mark.parametrize(
("rating1", "raring2", "combined"),
(
(1, 1, pytest.approx(4.0)),
(2, 1, pytest.approx(5.82, rel=1e-2)),
(2, 2, pytest.approx(8.0)),
(4, 2, pytest.approx(11.65, rel=1e-2)),
),
)
def test_two_rating_are_merged(rating1, raring2, combined):
assert combine_ratings(rating1, raring2) == combined
def test_merge_3_ratings():
assert combine_ratings(1, 1, 2) == pytest.approx(11.65, rel=1e-2)
@pytest.mark.parametrize(
("iterable"),
(
(1, 1, 2),
iter((1, 1, 2)),
[1, 1, 2],
),
)
def test_merge_3_ratings_as_collection(iterable):
assert combine_ratings(iterable) == pytest.approx(11.65, rel=1e-2)
def test_merge_3_ratings_as_collection_and_args():
assert combine_ratings([1, 1], 2) == pytest.approx(11.65, rel=1e-2)
def test_idempotency():
assert combine_ratings(1, 1, 2) == combine_ratings(2, 1, 1) == combine_ratings(1, 2, 1)
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