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