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TST: Test Series' settitem with Interval and NaN #43844

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Merged
merged 4 commits into from
Oct 5, 2021
Merged

TST: Test Series' settitem with Interval and NaN #43844

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e0a29ca
TST: Test Series' settitem with Interval and NaN
ElDeveloper Oct 1, 2021
ec4ea26
Update pandas/tests/indexing/test_iloc.py
ElDeveloper Oct 4, 2021
3ccecf0
Use nulls_fixture instead of homebrewed nulls
ElDeveloper Oct 4, 2021
9e1d9f6
STY: Fix pre-commit changes
ElDeveloper Oct 4, 2021
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11 changes: 11 additions & 0 deletions pandas/tests/indexing/test_iloc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -931,6 +931,17 @@ def test_iloc_setitem_td64_values_cast_na(self, value):
expected = Series([NaT, 1, 2], dtype="timedelta64[ns]")
tm.assert_series_equal(series, expected)

@pytest.mark.parametrize("not_na", [Interval(0, 1), "a", 1.0])
def test_setitem_mix_of_nan_and_interval(self, not_na, nulls_fixture):
# GH#27937
dtype = CategoricalDtype(categories=[not_na])
ser = Series(
[nulls_fixture, nulls_fixture, nulls_fixture, nulls_fixture], dtype=dtype
)
ser.iloc[:3] = [nulls_fixture, not_na, nulls_fixture]
exp = Series([nulls_fixture, not_na, nulls_fixture, nulls_fixture], dtype=dtype)
tm.assert_series_equal(ser, exp)

def test_iloc_setitem_empty_frame_raises_with_3d_ndarray(self):
idx = Index([])
obj = DataFrame(np.random.randn(len(idx), len(idx)), index=idx, columns=idx)
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