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TST: GH 27185 Test to check df with timedelta & Int NA sums correctly #47354

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Merged
merged 3 commits into from
Jun 23, 2022
Merged

TST: GH 27185 Test to check df with timedelta & Int NA sums correctly #47354

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5d2cb5f
TST: GH 27185 Adding test to check df with timedelta and int obj sums…
aamnv Jun 14, 2022
a467443
TST: updating the test with nan NaT and check whole object
aamnv Jun 15, 2022
8dec8c9
Merge branch 'main' into test-int-timedelta-na-sum
aamnv Jun 23, 2022
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12 changes: 12 additions & 0 deletions pandas/tests/reductions/test_reductions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -198,6 +198,18 @@ def test_numpy_reduction_with_tz_aware_dtype(self, tz_aware_fixture, func):
result = getattr(np, func)(expected, expected)
tm.assert_series_equal(result, expected)

def test_nan_int_timedelta_sum(self):
# GH 27185
df = DataFrame(
{
"A": Series([1, 2, NaT], dtype="timedelta64[ns]"),
"B": Series([1, 2, np.nan], dtype="Int64"),
}
)
expected = Series({"A": Timedelta(3), "B": 3})
result = df.sum()
tm.assert_series_equal(result, expected)


class TestIndexReductions:
# Note: the name TestIndexReductions indicates these tests
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