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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
import pytest
import awkward as ak
def test_indexed_counts():
counts = ak.contents.IndexedArray(
ak.index.Index64(np.arange(3)),
ak.contents.NumpyArray(np.array([3, 0, 2], dtype=np.int64)),
)
assert ak.almost_equal(
ak.unflatten([1.1, 2.2, 3.3, 4.4, 5.5], counts),
[[1.1, 2.2, 3.3], [], [4.4, 5.5]],
)
def test_indexed_layout():
layout = ak.contents.IndexedArray(
ak.index.Index64(np.arange(5)),
ak.contents.NumpyArray(np.array([1.1, 2.2, 3.3, 4.4, 5.5], dtype=np.float64)),
)
assert ak.almost_equal(
ak.unflatten(layout, [3, 0, 2]),
[[1.1, 2.2, 3.3], [], [4.4, 5.5]],
)
def test_option_counts():
assert ak.almost_equal(
ak.unflatten([1.1, 2.2, 3.3, 4.4, 5.5], [None, 3, None, 0, 2]),
[None, [1.1, 2.2, 3.3], None, [], [4.4, 5.5]],
)
def test_categorical_counts():
pytest.importorskip("pyarrow")
assert ak.almost_equal(
ak.unflatten([1.1, 2.2, 3.3, 4.4, 5.5], ak.str.to_categorical([3, 0, 2])),
[[1.1, 2.2, 3.3], [], [4.4, 5.5]],
)
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