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BUG/TST: PeriodArray.__setitem__ with slice and list-like value #23991

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Merged
merged 14 commits into from
Dec 2, 2018
Merged

BUG/TST: PeriodArray.__setitem__ with slice and list-like value #23991

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4385128
pytest for slice type in setitem
charlesdong1991 Nov 29, 2018
aacb769
remove wrong pytests
charlesdong1991 Nov 29, 2018
e19c381
new pytest in TestSetitem
charlesdong1991 Nov 29, 2018
b12f0bc
fix pytest error
charlesdong1991 Nov 29, 2018
6ca1f1a
remove a blank line to see if error disappear
charlesdong1991 Nov 29, 2018
f3db6c1
resort imports
charlesdong1991 Nov 29, 2018
fe74ea1
fix linting failure
charlesdong1991 Nov 30, 2018
0e19fdb
fix linting error
charlesdong1991 Nov 30, 2018
3e76a61
resort imports
charlesdong1991 Nov 30, 2018
ec8f68e
resort imports using isort
charlesdong1991 Nov 30, 2018
217146f
remove redundant blank line
charlesdong1991 Nov 30, 2018
74ea7b8
move to basesetitem
charlesdong1991 Dec 1, 2018
39a4807
remove unused package from import
charlesdong1991 Dec 2, 2018
6c9702e
add whatsnew description
charlesdong1991 Dec 2, 2018
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18 changes: 18 additions & 0 deletions pandas/tests/arrays/test_period.py
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Original file line number Diff line number Diff line change
Expand Up @@ -195,3 +195,21 @@ def test_sub_period():
other = pd.Period("2000", freq="M")
with pytest.raises(IncompatibleFrequency, match="freq"):
arr - other


@pytest.mark.parametrize('data', [
period_array(['2001', '2002', '2003', '2004', '2005'], freq="D")
])
def test_setitem_slice_mismatch_length_raises(data):
arr = data[:5]
with pytest.raises(ValueError):
arr[:1] = arr[:2]


@pytest.mark.parametrize('data', [
period_array(['2001', '2002', '2003', '2004', '2005'], freq="D")
])
def test_setitem_slice_array(data):
arr = data[:5].copy()
arr[:5] = data[-5:]
tm.assert_extension_array_equal(arr, data[-5:])