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BUG: positional getitem indexing with list on Series with duplicate integer index fails #26083

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Merged
merged 8 commits into from
Apr 16, 2019
Merged

BUG: positional getitem indexing with list on Series with duplicate integer index fails #26083

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c0fe2e0
TST GH17347
Apr 14, 2019
312e082
TST GH17347
Apr 14, 2019
34c9f85
simply test case and switch to tm.assert
Apr 14, 2019
f5c2d54
simplify test case and switch to tm.assert
Apr 14, 2019
4015bf5
refractor code and check loc case
Apr 15, 2019
f4ce36f
Fix checks_and_docs
Apr 15, 2019
ff0fb7a
refactor code using parametrize
Apr 15, 2019
d25af61
fix checks_and_doc
Apr 15, 2019
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9 changes: 9 additions & 0 deletions pandas/tests/indexing/test_indexing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -623,6 +623,15 @@ def test_index_type_coercion(self):
idxr(s2)['0'] = 0
assert s2.index.is_object()

def test_duplicate_int_indexing(self):
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use parameterize like

@pytest.parameterize('case', [lambda s: s.__getitem__, lambda: s.loc])
def test_duplicate_int_indexing(self, case):
     expected = s.iloc[[1]]
     result = case(s)[[1]]

# GH 17347
s = pd.Series(range(3), index=[1, 1, 3])
expected = s[1]
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move this after def test_dups_fancy_indexing2(self)

result = s[[1]]
result2 = s.loc[[1]]
tm.assert_series_equal(result, expected)
tm.assert_series_equal(result2, expected)


class TestMisc(Base):

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