def test_replace_invalid_kwarg(self, tz_aware_fixture):
tz = tz_aware_fixture
# GH#14621, GH#7825
ts = Timestamp("2016-01-01 09:00:00.000000123", tz=tz)
msg = r"replace\(\) got an unexpected keyword argument"
with pytest.raises(TypeError, match=msg):
ts.replace(foo=5)
def test_replace_integer_args(self, tz_aware_fixture):
tz = tz_aware_fixture
# GH#14621, GH#7825
ts = Timestamp("2016-01-01 09:00:00.000000123", tz=tz)
msg = "value must be an integer, received <class 'float'> for hour"
with pytest.raises(ValueError, match=msg):
ts.replace(hour=0.1)
def test_replace_preserves_nanos(self, tz_aware_fixture):
tz = tz_aware_fixture
# GH#14621, GH#7825
ts = Timestamp("2016-01-01 09:00:00.000000123", tz=tz)
result = ts.replace(hour=0)
expected = Timestamp("2016-01-01 00:00:00.000000123", tz=tz)
assert result == expected
def test_replace_dst_border(self, unit):
# Gh 7825
t = Timestamp("2013-11-3", tz="America/Chicago")._as_unit(unit)
result = t.replace(hour=3)
expected = Timestamp("2013-11-3 03:00:00", tz="America/Chicago")
assert result == expected
assert result._reso == getattr(NpyDatetimeUnit, f"NPY_FR_{unit}").value
def test_replace_dst_fold(self, fold, tz):
# GH 25017
d = datetime(2019, 10, 27, 2, 30)
ts = Timestamp(d, tz=tz)
result = ts.replace(hour=1, fold=fold)
expected = Timestamp(datetime(2019, 10, 27, 1,
30)).tz_localize(tz, ambiguous=not fold)
assert result == expected
def test_replace_aware(self, tz_aware_fixture):
tz = tz_aware_fixture
# GH#14621, GH#7825
# replacing datetime components with and w/o presence of a timezone
ts = Timestamp("2016-01-01 09:00:00", tz=tz)
result = ts.replace(hour=0)
expected = Timestamp("2016-01-01 00:00:00", tz=tz)
assert result == expected
def test_replace_preserves_fold(fold):
# GH 37610. Check that replace preserves Timestamp fold property
tz = gettz("Europe/Moscow")
ts = Timestamp(year=2009, month=10, day=25, hour=2, minute=30, fold=fold, tzinfo=tz)
ts_replaced = ts.replace(second=1)
assert ts_replaced.fold == fold
def test_replace_dst_fold(self, fold, tz, unit):
# GH 25017
d = datetime(2019, 10, 27, 2, 30)
ts = Timestamp(d, tz=tz)._as_unit(unit)
result = ts.replace(hour=1, fold=fold)
expected = Timestamp(datetime(2019, 10, 27, 1,
30)).tz_localize(tz, ambiguous=not fold)
assert result == expected
assert result._reso == getattr(NpyDatetimeUnit, f"NPY_FR_{unit}").value
def test_replace_multiple(self, tz_aware_fixture):
tz = tz_aware_fixture
# GH#14621, GH#7825
# replacing datetime components with and w/o presence of a timezone
# test all
ts = Timestamp("2016-01-01 09:00:00.000000123", tz=tz)
result = ts.replace(
year=2015,
month=2,
day=2,
hour=0,
minute=5,
second=5,
microsecond=5,
nanosecond=5,
)
expected = Timestamp("2015-02-02 00:05:05.000005005", tz=tz)
assert result == expected
def test_replace_dst_border(self):
# Gh 7825
t = Timestamp("2013-11-3", tz="America/Chicago")
result = t.replace(hour=3)
expected = Timestamp("2013-11-3 03:00:00", tz="America/Chicago")
assert result == expected
def test_replace_tzinfo_equiv_tz_localize_none(self):
# GH#14621, GH#7825
# assert conversion to naive is the same as replacing tzinfo with None
ts = Timestamp("2013-11-03 01:59:59.999999-0400", tz="US/Eastern")
assert ts.tz_localize(None) == ts.replace(tzinfo=None)
def test_replace_naive(self):
# GH#14621, GH#7825
ts = Timestamp("2016-01-01 09:00:00")
result = ts.replace(hour=0)
expected = Timestamp("2016-01-01 00:00:00")
assert result == expected
