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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import numpy as np # noqa: F401
import pytest
import awkward as ak
to_list = ak.operations.to_list
def test_combinations():
two = ak.Array(["aa", "bb", "cc", "dd"])
with pytest.raises(ValueError):
ak.operations.combinations(two, 2, axis=1)
two = ak.Array([["aa", "bb"], ["cc"], [], ["dd"]])
assert to_list(ak.operations.combinations(two, 2, axis=1)) == [
[("aa", "bb")],
[],
[],
[],
]
with pytest.raises(ValueError):
ak.operations.combinations(two, 2, axis=2)
def test_cartesian():
one = ak.Array([1, 2, 3, 4])
two = ak.Array(["aa", "bb", "cc", "dd"])
with pytest.raises(ValueError):
ak.operations.cartesian([one, two], axis=1)
two = ak.Array([["aa", "bb"], ["cc"], [], ["dd"]])
assert to_list(ak.operations.cartesian([one, two], axis=1)) == [
[(1, "aa"), (1, "bb")],
[(2, "cc")],
[],
[(4, "dd")],
]
with pytest.raises(ValueError):
ak.operations.cartesian([one, two], axis=2)
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