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|
# BSD 3-Clause License; see https://github.com/scikit-hep/awkward-1.0/blob/main/LICENSE
from __future__ import annotations
import packaging.version
import pytest
import awkward as ak
from awkward._pickle import use_builtin_reducer
@pytest.fixture
def array_pickler():
import pickle
with use_builtin_reducer():
yield pickle
SOME_ATTRS = {"foo": "!SOME"}
OTHER_ATTRS = {"bar": "!OTHER", "foo": "!OTHER"}
def test_set_attrs():
array = ak.Array([1, 2, 3])
assert array.attrs == {}
array.attrs = OTHER_ATTRS
assert array.attrs == OTHER_ATTRS
with pytest.raises(TypeError):
array.attrs = "Hello world!"
def test_serialise_with_transient_attrs(array_pickler):
attrs = {**SOME_ATTRS, "@transient_key": lambda: None}
array = ak.Array([1, 2, 3], attrs=attrs)
result = array_pickler.loads(array_pickler.dumps(array))
assert result.attrs == SOME_ATTRS
def test_serialise_with_nonserialisable_attrs(array_pickler):
attrs = {**SOME_ATTRS, "non_transient_key": lambda: None}
array = ak.Array([1, 2, 3], attrs=attrs)
with pytest.raises(
(AttributeError, array_pickler.PicklingError),
match=r"(pickle|local object)",
):
array_pickler.loads(array_pickler.dumps(array))
def test_transient_metadata_persists():
attrs = {**SOME_ATTRS, "@transient_key": lambda: None}
array = ak.Array([[1, 2, 3]], attrs=attrs)
num = ak.num(array)
assert num.attrs == attrs
@pytest.mark.parametrize(
"func",
[
ak.any,
ak.min,
ak.argmin,
ak.sum,
ak.ptp,
ak.count_nonzero,
lambda *args, **kwargs: ak.moment(*args, **kwargs, n=3),
ak.argmax,
ak.all,
ak.mean,
ak.max,
ak.prod,
ak.count,
],
)
def test_single_arg_ops(func):
# Default no attrs
assert func([[1, 2, 3, 4], [5], [10]], axis=-1, highlevel=True).attrs == {}
# Carry from argument
assert (
func([[1, 2, 3, 4], [5], [10]], axis=-1, highlevel=True, attrs=SOME_ATTRS).attrs
== SOME_ATTRS
)
# Carry from outer array
array = ak.Array([[1, 2, 3, 4], [5], [10]], attrs=SOME_ATTRS)
assert func(array, axis=-1, highlevel=True).attrs == SOME_ATTRS
# Carry from argument exclusively
assert func(array, axis=-1, highlevel=True, attrs=OTHER_ATTRS).attrs == OTHER_ATTRS
@pytest.mark.parametrize(
"func",
[
# Predicates
ak.str.is_alnum,
ak.str.is_alpha,
ak.str.is_ascii,
ak.str.is_decimal,
ak.str.is_digit,
ak.str.is_lower,
ak.str.is_numeric,
ak.str.is_printable,
ak.str.is_space,
ak.str.is_title,
ak.str.is_upper,
# Transforms
ak.str.capitalize,
ak.str.lower,
ak.str.upper,
ak.str.reverse,
ak.str.swapcase,
ak.str.title,
# Padding and trimming
ak.str.ltrim_whitespace,
ak.str.rtrim_whitespace,
ak.str.trim_whitespace,
ak.str.split_whitespace,
],
)
def test_string_operations_unary(func):
pytest.importorskip("pyarrow")
# Default no attrs
assert (
func(
[["hello", "world!"], [], ["it's a beautiful day!"]],
highlevel=True,
).attrs
== {}
)
# Carry from argument
assert (
func(
[["hello", "world!"], [], ["it's a beautiful day!"]],
highlevel=True,
attrs=SOME_ATTRS,
).attrs
== SOME_ATTRS
)
# Carry from outer array
array = ak.Array(
[["hello", "world!"], [], ["it's a beautiful day!"]], attrs=SOME_ATTRS
)
assert func(array, highlevel=True).attrs == SOME_ATTRS
# Carry from argument exclusively
assert func(array, highlevel=True, attrs=OTHER_ATTRS).attrs == OTHER_ATTRS
@pytest.mark.parametrize(
("func", "arg"),
[
# Padding and trimming
(ak.str.center, 10),
(ak.str.lpad, 10),
(ak.str.rpad, 10),
(ak.str.ltrim, "hell"),
(ak.str.rtrim, "hell"),
(ak.str.trim, "hell"),
# Containment
(ak.str.count_substring, "hello"),
(ak.str.count_substring_regex, "hello"),
(ak.str.starts_with, "hello"),
(ak.str.ends_with, "hello"),
(ak.str.find_substring, "hello"),
(ak.str.find_substring_regex, "hello"),
(ak.str.match_like, "hello"),
(ak.str.match_substring, "hello"),
(ak.str.match_substring_regex, "hello"),
# Slicing
(ak.str.extract_regex, "hello"),
],
)
def test_string_operations_unary_with_arg(func, arg):
pytest.importorskip("pyarrow")
# Default no attrs
assert (
func(
[["hello", "world!"], [], ["it's a beautiful day!"]],
arg,
highlevel=True,
).attrs
== {}
)
# Carry from argument
assert (
func(
[["hello", "world!"], [], ["it's a beautiful day!"]],
arg,
highlevel=True,
attrs=SOME_ATTRS,
).attrs
== SOME_ATTRS
)
# Carry from outer array
array = ak.Array(
[["hello", "world!"], [], ["it's a beautiful day!"]], attrs=SOME_ATTRS
)
assert func(array, arg, highlevel=True).attrs == SOME_ATTRS
# Carry from argument exclusively
assert func(array, arg, highlevel=True, attrs=OTHER_ATTRS).attrs == OTHER_ATTRS
def test_string_operations_unary_with_arg_slice():
pyarrow = pytest.importorskip("pyarrow")
if packaging.version.Version(pyarrow.__version__) < packaging.version.Version("13"):
pytest.xfail("pyarrow<13 fails to perform this slice")
# Default no attrs
assert (
ak.str.slice(
[["hello", "world!"], [], ["it's a beautiful day!"]],
1,
highlevel=True,
).attrs
== {}
)
# Carry from argument
assert (
ak.str.slice(
[["hello", "world!"], [], ["it's a beautiful day!"]],
1,
highlevel=True,
attrs=SOME_ATTRS,
).attrs
== SOME_ATTRS
)
# Carry from outer array
array = ak.Array(
[["hello", "world!"], [], ["it's a beautiful day!"]], attrs=SOME_ATTRS
)
assert ak.str.slice(array, 1, highlevel=True).attrs == SOME_ATTRS
# Carry from argument exclusively
assert (
ak.str.slice(array, 1, highlevel=True, attrs=OTHER_ATTRS).attrs == OTHER_ATTRS
)
@pytest.mark.parametrize(
"func",
[
# Containment
ak.str.index_in,
ak.str.is_in,
# Splitting and joining
ak.str.join,
# This function is 1+ args, but we will test the binary variant
ak.str.join_element_wise,
],
)
def test_string_operations_binary(func):
pytest.importorskip("pyarrow")
assert (
func(
[["hello", "world!"], [], ["it's a beautiful day!"]],
["hello"],
highlevel=True,
).attrs
== {}
)
assert (
func(
[["hello", "world!"], [], ["it's a beautiful day!"]],
["hello"],
highlevel=True,
attrs=SOME_ATTRS,
).attrs
== SOME_ATTRS
)
# Carry from first array
array = ak.Array(
[["hello", "world!"], [], ["it's a beautiful day!"]], attrs=SOME_ATTRS
)
assert func(array, ["hello"], highlevel=True).attrs == SOME_ATTRS
# Carry from second array
value_array = ak.Array(["hello"], attrs=OTHER_ATTRS)
assert (
func(
[["hello", "world!"], [], ["it's a beautiful day!"]],
value_array,
highlevel=True,
).attrs
== OTHER_ATTRS
)
# Carry from both arrays
assert func(
array,
value_array,
highlevel=True,
).attrs == {**OTHER_ATTRS, **SOME_ATTRS}
# Carry from argument
assert (
func(array, value_array, highlevel=True, attrs=OTHER_ATTRS).attrs == OTHER_ATTRS
)
def test_broadcasting_arrays():
left = ak.Array([1, 2, 3], attrs=SOME_ATTRS)
right = ak.Array([1], attrs=OTHER_ATTRS)
left_result, right_result = ak.broadcast_arrays(left, right)
assert left_result.attrs == SOME_ATTRS
assert right_result.attrs == OTHER_ATTRS
def test_broadcasting_fields():
left = ak.Array([{"x": 1}, {"x": 2}], attrs=SOME_ATTRS)
right = ak.Array([{"y": 1}, {"y": 2}], attrs=OTHER_ATTRS)
left_result, right_result = ak.broadcast_fields(left, right)
assert left_result.attrs == SOME_ATTRS
assert right_result.attrs == OTHER_ATTRS
def test_numba_arraybuilder():
numba = pytest.importorskip("numba")
builder = ak.ArrayBuilder(attrs=SOME_ATTRS)
assert builder.attrs == SOME_ATTRS
@numba.njit
def func(array):
return array
assert func(builder).attrs == SOME_ATTRS
def test_numba_array():
numba = pytest.importorskip("numba")
array = ak.Array([1, 2, 3], attrs=SOME_ATTRS)
assert array.attrs == SOME_ATTRS
@numba.njit
def func(array):
return array
assert func(array).attrs == SOME_ATTRS
|
