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TST: check freq in assert_equal #33812

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Merged
merged 1 commit into from
Apr 26, 2020
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TST: check freq in assert_equal #33812

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2 changes: 2 additions & 0 deletions pandas/_testing.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1429,6 +1429,8 @@ def assert_equal(left, right, **kwargs):

if isinstance(left, pd.Index):
assert_index_equal(left, right, **kwargs)
if isinstance(left, (pd.DatetimeIndex, pd.TimedeltaIndex)):
assert left.freq == right.freq, (left.freq, right.freq)
elif isinstance(left, pd.Series):
assert_series_equal(left, right, **kwargs)
elif isinstance(left, pd.DataFrame):
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5 changes: 3 additions & 2 deletions pandas/tests/arithmetic/test_datetime64.py
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Expand Up @@ -897,7 +897,7 @@ def test_dt64arr_add_sub_td64ndarray(self, tz_naive_fixture, box_with_array):
)
def test_dt64arr_sub_dtscalar(self, box_with_array, ts):
# GH#8554, GH#22163 DataFrame op should _not_ return dt64 dtype
idx = pd.date_range("2013-01-01", periods=3)
idx = pd.date_range("2013-01-01", periods=3)._with_freq(None)
idx = tm.box_expected(idx, box_with_array)

expected = pd.TimedeltaIndex(["0 Days", "1 Day", "2 Days"])
Expand All @@ -912,7 +912,7 @@ def test_dt64arr_sub_datetime64_not_ns(self, box_with_array):
dt64 = np.datetime64("2013-01-01")
assert dt64.dtype == "datetime64[D]"

dti = pd.date_range("20130101", periods=3)
dti = pd.date_range("20130101", periods=3)._with_freq(None)
dtarr = tm.box_expected(dti, box_with_array)

expected = pd.TimedeltaIndex(["0 Days", "1 Day", "2 Days"])
Expand All @@ -926,6 +926,7 @@ def test_dt64arr_sub_datetime64_not_ns(self, box_with_array):

def test_dt64arr_sub_timestamp(self, box_with_array):
ser = pd.date_range("2014-03-17", periods=2, freq="D", tz="US/Eastern")
ser = ser._with_freq(None)
ts = ser[0]

ser = tm.box_expected(ser, box_with_array)
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