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TST: GH39984 Addition to tests #47981

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TST: GH39984 Addition to tests #47981

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TST: GH39984 Addition to tests
BarkotBeyene Aug 5, 2022
871673f
TST: GH39984 Addition to tests
BarkotBeyene Aug 10, 2022
be3b3d9
TST: GH39984 Addition to tests
BarkotBeyene Aug 11, 2022
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23 changes: 23 additions & 0 deletions pandas/tests/indexes/multi/test_constructors.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,8 +5,11 @@
import itertools

import numpy as np
import pyarrow as pa
import pytest

from pandas.compat import pa_version_under1p01

from pandas.core.dtypes.cast import construct_1d_object_array_from_listlike

import pandas as pd
Expand Down Expand Up @@ -648,6 +651,26 @@ def test_from_frame():
tm.assert_index_equal(expected, result)


@pytest.mark.skipif(pa_version_under1p01)
def test_from_frame_missing_values_multiIndex():
# GH 39984
df = pd.DataFrame(
{
"a": Series([1, 2, None], dtype="Int64"),
"b": pd.Float64Dtype().__from_arrow__(pa.array([0.2, np.nan, None])),
}
)
multi_indexed = MultiIndex.from_frame(df)
expected = MultiIndex.from_arrays(
[
Series([1, 2, None]).astype("Int64"),
pd.Float64Dtype().__from_arrow__(pa.array([0.2, np.nan, None])),
],
names=["a", "b"],
)
tm.assert_index_equal(multi_indexed, expected)


@pytest.mark.parametrize(
"non_frame",
[
Expand Down