def test_strftime_nat(self):
# GH 29578
arr = PeriodArray(PeriodIndex(["2019-01-01", NaT], dtype="period[D]"))
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, period_index):
arr = PeriodArray(period_index)
result = arr.strftime("%Y")
expected = np.array([per.strftime("%Y") for per in arr], dtype=object)
tm.assert_numpy_array_equal(result, expected)
def test_strftime(self, period_index):
arr = PeriodArray(period_index)
result = arr.strftime("%Y")
expected = np.array(period_index.strftime("%Y"))
tm.assert_numpy_array_equal(result, expected)
