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catch PerformanceWarning #19446

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Merged
jreback merged 1 commit into from
Jan 29, 2018
Merged

catch PerformanceWarning #19446

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6 changes: 4 additions & 2 deletions pandas/tests/series/test_operators.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@
from pandas.core.indexes.timedeltas import Timedelta
import pandas.core.nanops as nanops

from pandas.errors import PerformanceWarning
from pandas.compat import range, zip
from pandas import compat
from pandas.util.testing import (assert_series_equal, assert_almost_equal,
Expand Down Expand Up @@ -871,8 +872,9 @@ def test_timedelta64_operations_with_DateOffset(self):
expected = Series([timedelta(minutes=4, seconds=3)] * 3)
assert_series_equal(result, expected)

result = td + Series([pd.offsets.Minute(1), pd.offsets.Second(3),
pd.offsets.Hour(2)])
with tm.assert_produces_warning(PerformanceWarning):
result = td + Series([pd.offsets.Minute(1), pd.offsets.Second(3),
pd.offsets.Hour(2)])
expected = Series([timedelta(minutes=6, seconds=3), timedelta(
minutes=5, seconds=6), timedelta(hours=2, minutes=5, seconds=3)])
assert_series_equal(result, expected)
Expand Down