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TST: Iterrows making incorrect assumptions about datetime #26441

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Merged
merged 3 commits into from
May 18, 2019
Merged

TST: Iterrows making incorrect assumptions about datetime #26441

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TST: Iterrows making incorrect assumptions about datetime
simonjayhawkins May 17, 2019
edcdf22
Merge remote-tracking branch 'upstream/master' into test_iterrows_corner
simonjayhawkins May 18, 2019
54ffcb4
make expected explicit
simonjayhawkins May 18, 2019
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12 changes: 12 additions & 0 deletions pandas/tests/frame/test_api.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
from copy import deepcopy
import datetime
import pydoc

import numpy as np
Expand Down Expand Up @@ -222,6 +223,17 @@ def test_iterrows_iso8601(self):
exp = s.loc[k]
self._assert_series_equal(v, exp)

def test_iterrows_corner(self):
# gh-12222
df = DataFrame(
{'a': [datetime.datetime(2015, 1, 1)], 'b': [None], 'c': [None],
'd': [''], 'e': [[]], 'f': [set()], 'g': [{}]})
expected = Series(
[datetime.datetime(2015, 1, 1), None, None, '', [], set(), {}],
index=list('abcdefg'), name=0, dtype='object')
_, result = next(df.iterrows())
tm.assert_series_equal(result, expected)

def test_itertuples(self, float_frame):
for i, tup in enumerate(float_frame.itertuples()):
s = self.klass._constructor_sliced(tup[1:])
Expand Down