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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
from datetime import datetime
import numpy as np
import pytest
import awkward as ak
def test_strings():
assert ak.to_layout("hello").is_equal_to(
ak.contents.NumpyArray(
np.array([104, 101, 108, 108, 111], dtype=np.uint8),
parameters={"__array__": "char"},
)
)
assert ak.to_layout("hello", string_policy="promote").is_equal_to(
ak.contents.ListOffsetArray(
ak.index.Index64([0, 5]),
ak.contents.NumpyArray(
np.array([104, 101, 108, 108, 111], dtype=np.uint8),
parameters={"__array__": "char"},
),
parameters={"__array__": "string"},
)
)
assert ak.to_layout("hello", string_policy="pass-through") == "hello"
with pytest.raises(TypeError, match=r"string conversion/promotion is disabled"):
ak.to_layout("hello", string_policy="error")
def test_primitives():
with pytest.raises(TypeError, match=r"scalar conversion/promotion is disabled"):
ak.to_layout(1j, primitive_policy="error")
with pytest.raises(TypeError, match=r"scalar conversion/promotion is disabled"):
ak.to_layout(False, primitive_policy="error")
with pytest.raises(TypeError, match=r"scalar conversion/promotion is disabled"):
ak.to_layout(datetime.now(), primitive_policy="error")
with pytest.raises(TypeError, match=r"scalar conversion/promotion is disabled"):
ak.to_layout(1, primitive_policy="error")
assert ak.to_layout(1).is_equal_to(
ak.contents.NumpyArray(np.array([1], dtype=np.int64))
)
out = ak.to_layout(1, primitive_policy="pass-through")
assert isinstance(out, int) and out == 1
with pytest.raises(TypeError, match=r"scalar conversion/promotion is disabled"):
ak.to_layout(4.0, primitive_policy="error")
assert ak.to_layout(4.0).is_equal_to(
ak.contents.NumpyArray(np.array([4.0], dtype=np.float64))
)
out = ak.to_layout(4.0, primitive_policy="pass-through")
assert isinstance(out, float) and out == 4.0
def test_with_field():
result = ak.with_field([{"x": 1}], "hello", "x", highlevel=False)
assert result.is_equal_to(
ak.contents.RecordArray(
[
ak.contents.ListOffsetArray(
ak.index.Index64([0, 5]),
ak.contents.NumpyArray(
np.array([104, 101, 108, 108, 111], dtype=np.uint8),
parameters={"__array__": "char"},
),
parameters={"__array__": "string"},
)
],
["x"],
)
)
def test_fill_none():
array = ak.Array([None, 1, 2, None])
result = ak.fill_none(array, "hello world!")
assert result.layout.is_equal_to(
ak.contents.UnionArray(
ak.index.Index8([1, 0, 0, 1]),
ak.index.Index64([0, 0, 1, 0]),
[
ak.contents.NumpyArray(np.array([1, 2], dtype=np.int64)),
ak.contents.ListOffsetArray(
ak.index.Index64([0, 12]),
ak.contents.NumpyArray(
np.array(
[104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100, 33],
dtype=np.uint8,
),
parameters={"__array__": "char"},
),
parameters={"__array__": "string"},
),
],
)
)
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