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TST: Fix test_str_encode on big endian machines #57394

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merged 1 commit into from
Feb 13, 2024
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TST: Fix test_str_encode on big endian machines #57394

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14 changes: 11 additions & 3 deletions pandas/tests/extension/test_arrow.py
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
import operator
import pickle
import re
import sys

import numpy as np
import pytest
Expand Down Expand Up @@ -2172,14 +2173,21 @@ def test_str_removeprefix(val):
@pytest.mark.parametrize(
"encoding, exp",
[
["utf8", b"abc"],
["utf32", b"\xff\xfe\x00\x00a\x00\x00\x00b\x00\x00\x00c\x00\x00\x00"],
("utf8", {"little": b"abc", "big": "abc"}),
(
"utf32",
{
"little": b"\xff\xfe\x00\x00a\x00\x00\x00b\x00\x00\x00c\x00\x00\x00",
"big": b"\x00\x00\xfe\xff\x00\x00\x00a\x00\x00\x00b\x00\x00\x00c",
},
),
],
ids=["utf8", "utf32"],
)
def test_str_encode(errors, encoding, exp):
ser = pd.Series(["abc", None], dtype=ArrowDtype(pa.string()))
result = ser.str.encode(encoding, errors)
expected = pd.Series([exp, None], dtype=ArrowDtype(pa.binary()))
expected = pd.Series([exp[sys.byteorder], None], dtype=ArrowDtype(pa.binary()))
tm.assert_series_equal(result, expected)


Expand Down