laywerrobot/lib/python3.6/site-packages/pandas/tests/scalar/timestamp/test_rendering.py
2020-08-27 21:55:39 +02:00

96 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
import pytest
import dateutil
import pytz # noqa # a test below uses pytz but only inside a `eval` call
import pprint
from distutils.version import LooseVersion
from pandas import Timestamp
class TestTimestampRendering(object):
# dateutil zone change (only matters for repr)
if LooseVersion(dateutil.__version__) >= LooseVersion('2.6.0'):
timezones = ['UTC', 'Asia/Tokyo', 'US/Eastern',
'dateutil/US/Pacific']
else:
timezones = ['UTC', 'Asia/Tokyo', 'US/Eastern',
'dateutil/America/Los_Angeles']
@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 = "'{0}'".format(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))
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)
assert date_freq == eval(repr(date_freq))
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)
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