aoc-2022/venv/Lib/site-packages/pandas/tests/scalar/timestamp/test_rendering.py

108 lines
4.1 KiB
Python

import pprint
import pytest
import pytz # noqa # a test below uses pytz but only inside a `eval` call
from pandas import Timestamp
import pandas._testing as tm
class TestTimestampRendering:
timezones = ["UTC", "Asia/Tokyo", "US/Eastern", "dateutil/US/Pacific"]
@pytest.mark.parametrize("tz", timezones)
@pytest.mark.parametrize("freq", ["D", "M", "S", "N"])
@pytest.mark.parametrize(
"date", ["2014-03-07", "2014-01-01 09:00", "2014-01-01 00:00:00.000000001"]
)
def test_repr(self, date, freq, tz):
# avoid to match with timezone name
freq_repr = f"'{freq}'"
if tz.startswith("dateutil"):
tz_repr = tz.replace("dateutil", "")
else:
tz_repr = tz
date_only = Timestamp(date)
assert date in repr(date_only)
assert tz_repr not in repr(date_only)
assert freq_repr not in repr(date_only)
assert date_only == eval(repr(date_only))
date_tz = Timestamp(date, tz=tz)
assert date in repr(date_tz)
assert tz_repr in repr(date_tz)
assert freq_repr not in repr(date_tz)
assert date_tz == eval(repr(date_tz))
msg = "The 'freq' argument in Timestamp"
with tm.assert_produces_warning(FutureWarning, match=msg):
date_freq = Timestamp(date, freq=freq)
assert date in repr(date_freq)
assert tz_repr not in repr(date_freq)
assert freq_repr in repr(date_freq)
with tm.assert_produces_warning(
FutureWarning, match=msg, check_stacklevel=False
):
assert date_freq == eval(repr(date_freq))
with tm.assert_produces_warning(FutureWarning, match=msg):
date_tz_freq = Timestamp(date, tz=tz, freq=freq)
assert date in repr(date_tz_freq)
assert tz_repr in repr(date_tz_freq)
assert freq_repr in repr(date_tz_freq)
with tm.assert_produces_warning(
FutureWarning, match=msg, check_stacklevel=False
):
assert date_tz_freq == eval(repr(date_tz_freq))
def test_repr_utcoffset(self):
# This can cause the tz field to be populated, but it's redundant to
# include this information in the date-string.
date_with_utc_offset = Timestamp("2014-03-13 00:00:00-0400", tz=None)
assert "2014-03-13 00:00:00-0400" in repr(date_with_utc_offset)
assert "tzoffset" not in repr(date_with_utc_offset)
assert "pytz.FixedOffset(-240)" in repr(date_with_utc_offset)
expr = repr(date_with_utc_offset).replace(
"'pytz.FixedOffset(-240)'", "pytz.FixedOffset(-240)"
)
assert date_with_utc_offset == eval(expr)
def test_timestamp_repr_pre1900(self):
# pre-1900
stamp = Timestamp("1850-01-01", tz="US/Eastern")
repr(stamp)
iso8601 = "1850-01-01 01:23:45.012345"
stamp = Timestamp(iso8601, tz="US/Eastern")
result = repr(stamp)
assert iso8601 in result
def test_pprint(self):
# GH#12622
nested_obj = {"foo": 1, "bar": [{"w": {"a": Timestamp("2011-01-01")}}] * 10}
result = pprint.pformat(nested_obj, width=50)
expected = r"""{'bar': [{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}},
{'w': {'a': Timestamp('2011-01-01 00:00:00')}}],
'foo': 1}"""
assert result == expected
def test_to_timestamp_repr_is_code(self):
zs = [
Timestamp("99-04-17 00:00:00", tz="UTC"),
Timestamp("2001-04-17 00:00:00", tz="UTC"),
Timestamp("2001-04-17 00:00:00", tz="America/Los_Angeles"),
Timestamp("2001-04-17 00:00:00", tz=None),
]
for z in zs:
assert eval(repr(z)) == z