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BUG: setitem with boolean mask and series as value is broken for Series with EA type #37676

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Merged
merged 12 commits into from
Nov 17, 2020
Merged

BUG: setitem with boolean mask and series as value is broken for Series with EA type #37676

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b48c9da
Add test for 26468
phofl Nov 6, 2020
6cf8b26
Change import order
phofl Nov 6, 2020
ee18953
Simplify test
phofl Nov 7, 2020
22a6bff
Delete import
phofl Nov 7, 2020
88fe157
Adress review comments
phofl Nov 8, 2020
7bed804
Modify test
phofl Nov 8, 2020
b2efced
Change dtype
phofl Nov 9, 2020
f471060
Merge branch 'master' of https://github.com/pandas-dev/pandas into 26468
phofl Nov 10, 2020
0fe21c6
Enhance test
phofl Nov 14, 2020
dd8aed3
Run black
phofl Nov 14, 2020
81d4d60
Add new fixture
phofl Nov 15, 2020
5eb5506
Merge branch 'master' of https://github.com/pandas-dev/pandas into 26468
phofl Nov 15, 2020
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12 changes: 12 additions & 0 deletions pandas/tests/series/indexing/test_setitem.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
NaT,
Series,
Timestamp,
array as pd_array,
date_range,
period_range,
)
Expand Down Expand Up @@ -135,6 +136,17 @@ def test_setitem_boolean_td64_values_cast_na(self, value):
expected = Series([NaT, 1, 2], dtype="timedelta64[ns]")
tm.assert_series_equal(series, expected)

def test_setitem_boolean_nullable_int_types(self, any_nullable_int_dtype):
# GH: 26468
ser = Series(pd_array([5, 6, 7, 8], dtype=any_nullable_int_dtype))
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No need for the pd.array here, since the Series constructor will handle the nullable dtype as well.

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Thx, removed it

ser[ser > 6] = Series(range(4), dtype=any_nullable_int_dtype)
expected = Series([5, 6, 2, 3], dtype=any_nullable_int_dtype)
tm.assert_series_equal(ser, expected)

ser = Series(pd_array([5, 6, 7, 8], dtype=any_nullable_int_dtype))
ser.loc[ser > 6] = Series(range(4), dtype=any_nullable_int_dtype)
tm.assert_series_equal(ser, expected)


class TestSetitemViewCopySemantics:
def test_setitem_invalidates_datetime_index_freq(self):
Expand Down