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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import pytest
import awkward as ak
from awkward.errors import AxisError
def test_is_none():
array = ak.Array(
[
None,
[None],
[{"x": None, "y": None}],
[{"x": [None], "y": [None]}],
[{"x": [1], "y": [[None]]}],
[{"x": [2], "y": [[1, 2, 3]]}],
]
)
assert ak.is_none(array, axis=0).tolist() == [
True,
False,
False,
False,
False,
False,
]
assert ak.is_none(array, axis=1).tolist() == [
None,
[True],
[False],
[False],
[False],
[False],
]
assert ak.is_none(array, axis=2).tolist() == [
None,
[None],
[{"x": None, "y": None}],
[{"x": [True], "y": [True]}],
[{"x": [False], "y": [False]}],
[{"x": [False], "y": [False]}],
]
with pytest.raises(AxisError):
ak.is_none(array, axis=3)
assert ak.is_none(array, axis=-1).tolist() == [
None,
[None],
[{"x": None, "y": None}],
[{"x": [True], "y": [None]}],
[{"x": [False], "y": [[True]]}],
[{"x": [False], "y": [[False, False, False]]}],
]
assert ak.is_none(array, axis=-2).tolist() == [
None,
[None],
[{"x": True, "y": None}],
[{"x": False, "y": [True]}],
[{"x": False, "y": [False]}],
[{"x": False, "y": [False]}],
]
with pytest.raises(AxisError):
ak.is_none(array, axis=-3)
def test_singletons():
array = ak.Array(
[
None,
[None],
[{"x": None, "y": None}],
[{"x": [None], "y": [None]}],
[{"x": [1], "y": [[None]]}],
[{"x": [2], "y": [[1, 2, 3]]}],
]
)
assert ak.singletons(array, axis=0).tolist() == [
[],
[[None]],
[[{"x": None, "y": None}]],
[[{"x": [None], "y": [None]}]],
[[{"x": [1], "y": [[None]]}]],
[[{"x": [2], "y": [[1, 2, 3]]}]],
]
assert ak.singletons(array, axis=1).tolist() == [
None,
[[]],
[[{"x": None, "y": None}]],
[[{"x": [None], "y": [None]}]],
[[{"x": [1], "y": [[None]]}]],
[[{"x": [2], "y": [[1, 2, 3]]}]],
]
assert ak.singletons(array, axis=2).tolist() == [
None,
[None],
[{"x": None, "y": None}],
[{"x": [[]], "y": [[]]}],
[{"x": [[1]], "y": [[[None]]]}],
[{"x": [[2]], "y": [[[1, 2, 3]]]}],
]
with pytest.raises(AxisError):
ak.singletons(array, axis=3)
assert ak.singletons(array, axis=-1).tolist() == [
None,
[None],
[{"x": None, "y": None}],
[{"x": [[]], "y": [None]}],
[{"x": [[1]], "y": [[[]]]}],
[{"x": [[2]], "y": [[[1], [2], [3]]]}],
]
assert ak.singletons(array, axis=-2).tolist() == [
None,
[None],
[{"x": [], "y": None}],
[{"x": [[None]], "y": [[]]}],
[{"x": [[1]], "y": [[[None]]]}],
[{"x": [[2]], "y": [[[1, 2, 3]]]}],
]
with pytest.raises(AxisError):
ak.singletons(array, axis=-3)
def test_is_none_union():
left = ak.Array([[[{"x": 1, "y": None}]]])
right = ak.Array([[[{"a": 1, "b": None}]]])
array = ak.concatenate([left, right], axis=2)
assert ak.is_none(array, axis=-1).tolist() == [
[[{"x": False, "y": True}, {"a": False, "b": True}]]
]
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