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TST: Fix assert_is_sorted for eas #55536

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Merged
merged 1 commit into from
Oct 16, 2023
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TST: Fix assert_is_sorted for eas #55536

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5 changes: 4 additions & 1 deletion pandas/_testing/asserters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -440,7 +440,10 @@ def assert_is_sorted(seq) -> None:
if isinstance(seq, (Index, Series)):
seq = seq.values
# sorting does not change precisions
assert_numpy_array_equal(seq, np.sort(np.array(seq)))
if isinstance(seq, np.ndarray):
assert_numpy_array_equal(seq, np.sort(np.array(seq)))
else:
assert_extension_array_equal(seq, seq[seq.argsort()])


def assert_categorical_equal(
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14 changes: 13 additions & 1 deletion pandas/tests/util/test_util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,10 @@

import pytest

from pandas import compat
from pandas import (
array,
compat,
)
import pandas._testing as tm


Expand Down Expand Up @@ -44,3 +47,12 @@ def test_datapath(datapath):
def test_external_error_raised():
with tm.external_error_raised(TypeError):
raise TypeError("Should not check this error message, so it will pass")


def test_is_sorted():
arr = array([1, 2, 3], dtype="Int64")
tm.assert_is_sorted(arr)

arr = array([4, 2, 3], dtype="Int64")
with pytest.raises(AssertionError, match="ExtensionArray are different"):
tm.assert_is_sorted(arr)