def test_strftime_nat(self): # GH 29578 arr = DatetimeArray(DatetimeIndex(["2019-01-01", pd.NaT])) result = arr.strftime("%Y-%m-%d") expected = np.array(["2019-01-01", np.nan], dtype=object) tm.assert_numpy_array_equal(result, expected)
def test_strftime(self, datetime_index): arr = DatetimeArray(datetime_index) result = arr.strftime("%Y %b") expected = np.array([ts.strftime("%Y %b") for ts in arr], dtype=object) tm.assert_numpy_array_equal(result, expected)
def test_strftime(self, datetime_index): arr = DatetimeArray(datetime_index) result = arr.strftime("%Y %b") expected = np.array(datetime_index.strftime("%Y %b")) tm.assert_numpy_array_equal(result, expected)