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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 # noqa: F401
import awkward as ak
def test_nested_axis_0():
arrays = {"x": np.arange(4), "y": ["this", "that", "foo", "bar!"]}
result = ak.cartesian(arrays, nested=True, axis=0)
assert result.to_list() == [
[
{"x": 0, "y": "this"},
{"x": 0, "y": "that"},
{"x": 0, "y": "foo"},
{"x": 0, "y": "bar!"},
],
[
{"x": 1, "y": "this"},
{"x": 1, "y": "that"},
{"x": 1, "y": "foo"},
{"x": 1, "y": "bar!"},
],
[
{"x": 2, "y": "this"},
{"x": 2, "y": "that"},
{"x": 2, "y": "foo"},
{"x": 2, "y": "bar!"},
],
[
{"x": 3, "y": "this"},
{"x": 3, "y": "that"},
{"x": 3, "y": "foo"},
{"x": 3, "y": "bar!"},
],
]
result = ak.cartesian(arrays, nested=["x"], axis=0)
assert result.to_list() == [
[
{"x": 0, "y": "this"},
{"x": 0, "y": "that"},
{"x": 0, "y": "foo"},
{"x": 0, "y": "bar!"},
],
[
{"x": 1, "y": "this"},
{"x": 1, "y": "that"},
{"x": 1, "y": "foo"},
{"x": 1, "y": "bar!"},
],
[
{"x": 2, "y": "this"},
{"x": 2, "y": "that"},
{"x": 2, "y": "foo"},
{"x": 2, "y": "bar!"},
],
[
{"x": 3, "y": "this"},
{"x": 3, "y": "that"},
{"x": 3, "y": "foo"},
{"x": 3, "y": "bar!"},
],
]
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