8000 REF/TST: Add more pytest idiom to indexing/multiindex/test_getitem.py by simonjayhawkins · Pull Request #24053 · pandas-dev/pandas · GitHub
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REF/TST: Add more pytest idiom to indexing/multiindex/test_getitem.py #24053

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Merged
merged 8 commits into from
Dec 11, 2018
Merged

REF/TST: Add more pytest idiom to indexing/multiindex/test_getitem.py #24053

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85037f7
remove test classes and replace catch_warnings
simonjayhawkins Dec 2, 2018
47c4ce8
Merge remote-tracking branch 'upstream/master' into mi-getitem
simonjayhawkins Dec 2, 2018
d9ad11a
resolve merge conflicts
simonjayhawkins Dec 10, 2018
6a50e17
check error messages
simonjayhawkins Dec 10, 2018
24d1a8d
split and parametrize test_series_getitem_multiindex
simonjayhawkins Dec 10, 2018
933acef
split and parametrize test_getitem_duplicates_multiindex
simonjayhawkins Dec 10, 2018
2dc4798
Merge remote-tracking branch 'upstream/master' into mi-getitem
simonjayhawkins Dec 10, 2018
3ff6159
fix W605 invalid escape sequence
simonjayhawkins Dec 10, 2018
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split and parametrize test_series_getitem_multiindex
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@simonjayhawkins
simonjayhawkins committed Dec 10, 2018
commit 24d1a8dc940f15709fbb993e1ae5d564f97b417b
28 changes: 12 additions & 16 deletions pandas/tests/indexing/multiindex/test_getitem.py
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Expand Up @@ -9,31 +9,25 @@
from pandas.util import testing as tm


def test_series_getitem_multiindex():
@pytest.mark.parametrize('access_method', [lambda s, x: s[:, x],
lambda s, x: s.loc[:, x],
lambda s, x: s.xs(x, level=1)])
@pytest.mark.parametrize('level1_value, expected', [
(0, Series([1], index=[0])),
(1, Series([2, 3], index=[1, 2]))
])
def test_series_getitem_multiindex(access_method, level1_value, expected):

# GH 6018
# series regression getitem with a multi-index

s = Series([1, 2, 3])
s.index = MultiIndex.from_tuples([(0, 0), (1, 1), (2, 1)])

result = s[:, 0]
expected = Series([1], index=[0])
tm.assert_series_equal(result, expected)

result = s.loc[:, 1]
expected = Series([2, 3], index=[1, 2])
result = access_method(s, level1_value)
tm.assert_series_equal(result, expected)

# xs
result = s.xs(0, level=0)
expected = Series([1], index=[0])
tm.assert_series_equal(result, expected)

result = s.xs(1, level=1)
expected = Series([2, 3], index=[1, 2])
tm.assert_series_equal(result, expected)

def test_series_getitem_multiindex_xs():
# GH6258
dt = list(date_range('20130903', periods=3))
idx = MultiIndex.from_product([list('AB'), dt])
Expand All @@ -43,6 +37,8 @@ 54C0 def test_series_getitem_multiindex():
expected = Series([1, 1], index=list('AB'))
tm.assert_series_equal(result, expected)


def test_series_getitem_multiindex_xs_by_label():
# GH5684
idx = MultiIndex.from_tuples([('a', 'one'), ('a', 'two'), ('b', 'one'),
('b', 'two')])
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0