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TST: partial indexing with __getitem__ and integer labels #16029

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Apr 17, 2017
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TST: partial indexing with __getitem__ and integer labels #16029

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24 changes: 24 additions & 0 deletions pandas/tests/indexing/test_multiindex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -275,6 +275,30 @@ def test_loc_multiindex(self):
xp = mi_int.ix[4]
tm.assert_frame_equal(rs, xp)

def test_getitem_partial_int(self):
# GH 12416
# with single item
l1 = [10, 20]
l2 = ['a', 'b']
df = DataFrame(index=range(2),
columns=pd.MultiIndex.from_product([l1, l2]))
expected = DataFrame(index=range(2),
columns=l2)
result = df[20]
tm.assert_frame_equal(result, expected)

# with list
expected = DataFrame(index=range(2),
columns=pd.MultiIndex.from_product([l1[1:], l2]))
result = df[[20]]
tm.assert_frame_equal(result, expected)

# missing item:
with tm.assertRaisesRegexp(KeyError, '1'):
df[1]
with tm.assertRaisesRegexp(KeyError, "'\[1\] not in index'"):
df[[1]]

def test_loc_multiindex_indexer_none(self):

# GH6788
Expand Down