311 lines
7.7 KiB
Python
311 lines
7.7 KiB
Python
import datetime as pdt
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import platform
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import re
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import struct
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import sys
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import pyo3_pytests.datetime as rdt
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import pytest
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from hypothesis import example, given
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from hypothesis import strategies as st
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# Constants
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def _get_utc():
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timezone = getattr(pdt, "timezone", None)
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if timezone:
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return timezone.utc
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else:
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class UTC(pdt.tzinfo):
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def utcoffset(self, dt):
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return pdt.timedelta(0)
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def dst(self, dt):
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return pdt.timedelta(0)
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def tzname(self, dt):
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return "UTC"
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return UTC()
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UTC = _get_utc()
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MAX_SECONDS = int(pdt.timedelta.max.total_seconds())
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MIN_SECONDS = int(pdt.timedelta.min.total_seconds())
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MAX_DAYS = pdt.timedelta.max // pdt.timedelta(days=1)
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MIN_DAYS = pdt.timedelta.min // pdt.timedelta(days=1)
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MAX_MICROSECONDS = int(pdt.timedelta.max.total_seconds() * 1e6)
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MIN_MICROSECONDS = int(pdt.timedelta.min.total_seconds() * 1e6)
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# The reason we don't use platform.architecture() here is that it's not
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# reliable on macOS. See https://stackoverflow.com/a/1405971/823869. Similarly,
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# sys.maxsize is not reliable on Windows. See
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# https://stackoverflow.com/questions/1405913/how-do-i-determine-if-my-python-shell-is-executing-in-32bit-or-64bit-mode-on-os/1405971#comment6209952_1405971
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# and https://stackoverflow.com/a/3411134/823869.
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_pointer_size = struct.calcsize("P")
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if _pointer_size == 8:
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IS_32_BIT = False
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elif _pointer_size == 4:
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IS_32_BIT = True
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else:
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raise RuntimeError("unexpected pointer size: " + repr(_pointer_size))
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IS_WINDOWS = sys.platform == "win32"
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if IS_WINDOWS:
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MIN_DATETIME = pdt.datetime(1971, 1, 2, 0, 0)
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if IS_32_BIT:
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MAX_DATETIME = pdt.datetime(3001, 1, 19, 4, 59, 59)
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else:
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MAX_DATETIME = pdt.datetime(3001, 1, 19, 7, 59, 59)
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else:
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if IS_32_BIT:
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# TS ±2147483648 (2**31)
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MIN_DATETIME = pdt.datetime(1901, 12, 13, 20, 45, 52)
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MAX_DATETIME = pdt.datetime(2038, 1, 19, 3, 14, 8)
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else:
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MIN_DATETIME = pdt.datetime(1, 1, 2, 0, 0)
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MAX_DATETIME = pdt.datetime(9999, 12, 31, 18, 59, 59)
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PYPY = platform.python_implementation() == "PyPy"
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# Tests
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def test_date():
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assert rdt.make_date(2017, 9, 1) == pdt.date(2017, 9, 1)
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@given(d=st.dates())
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def test_date_accessors(d):
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act = rdt.get_date_tuple(d)
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exp = (d.year, d.month, d.day)
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assert act == exp
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def test_invalid_date_fails():
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with pytest.raises(ValueError):
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rdt.make_date(2017, 2, 30)
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@given(d=st.dates(MIN_DATETIME.date(), MAX_DATETIME.date()))
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def test_date_from_timestamp(d):
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if PYPY and d < pdt.date(1900, 1, 1):
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pytest.xfail("pdt.datetime.timestamp will raise on PyPy with dates before 1900")
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ts = pdt.datetime.timestamp(pdt.datetime.combine(d, pdt.time(0)))
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assert rdt.date_from_timestamp(int(ts)) == pdt.date.fromtimestamp(ts)
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@pytest.mark.parametrize(
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"args, kwargs",
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[
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((0, 0, 0, 0, None), {}),
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((1, 12, 14, 124731), {}),
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((1, 12, 14, 124731), {"tzinfo": UTC}),
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],
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)
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def test_time(args, kwargs):
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act = rdt.make_time(*args, **kwargs)
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exp = pdt.time(*args, **kwargs)
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assert act == exp
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assert act.tzinfo is exp.tzinfo
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assert rdt.get_time_tzinfo(act) == exp.tzinfo
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@given(t=st.times())
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def test_time_hypothesis(t):
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act = rdt.get_time_tuple(t)
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exp = (t.hour, t.minute, t.second, t.microsecond)
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assert act == exp
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@given(t=st.times())
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def test_time_tuple_fold(t):
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t_nofold = t.replace(fold=0)
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t_fold = t.replace(fold=1)
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for t in (t_nofold, t_fold):
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act = rdt.get_time_tuple_fold(t)
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exp = (t.hour, t.minute, t.second, t.microsecond, t.fold)
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assert act == exp
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@pytest.mark.parametrize("fold", [False, True])
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def test_time_with_fold(fold):
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t = rdt.time_with_fold(0, 0, 0, 0, None, fold)
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assert t.fold == fold
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@pytest.mark.parametrize(
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"args", [(-1, 0, 0, 0), (0, -1, 0, 0), (0, 0, -1, 0), (0, 0, 0, -1)]
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)
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def test_invalid_time_fails_overflow(args):
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with pytest.raises(OverflowError):
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rdt.make_time(*args)
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@pytest.mark.parametrize(
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"args",
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[
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(24, 0, 0, 0),
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(25, 0, 0, 0),
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(0, 60, 0, 0),
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(0, 61, 0, 0),
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(0, 0, 60, 0),
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(0, 0, 61, 0),
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(0, 0, 0, 1000000),
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],
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)
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def test_invalid_time_fails(args):
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with pytest.raises(ValueError):
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rdt.make_time(*args)
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@pytest.mark.parametrize(
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"args",
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[
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("0", 0, 0, 0),
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(0, "0", 0, 0),
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(0, 0, "0", 0),
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(0, 0, 0, "0"),
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(0, 0, 0, 0, "UTC"),
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],
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)
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def test_time_typeerror(args):
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with pytest.raises(TypeError):
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rdt.make_time(*args)
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@pytest.mark.parametrize(
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"args, kwargs",
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[((2017, 9, 1, 12, 45, 30, 0), {}), ((2017, 9, 1, 12, 45, 30, 0), {"tzinfo": UTC})],
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)
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def test_datetime(args, kwargs):
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act = rdt.make_datetime(*args, **kwargs)
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exp = pdt.datetime(*args, **kwargs)
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assert act == exp
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assert act.tzinfo is exp.tzinfo
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assert rdt.get_datetime_tzinfo(act) == exp.tzinfo
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@given(dt=st.datetimes())
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def test_datetime_tuple(dt):
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act = rdt.get_datetime_tuple(dt)
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exp = dt.timetuple()[0:6] + (dt.microsecond,)
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assert act == exp
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@given(dt=st.datetimes())
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def test_datetime_tuple_fold(dt):
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dt_fold = dt.replace(fold=1)
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dt_nofold = dt.replace(fold=0)
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for dt in (dt_fold, dt_nofold):
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act = rdt.get_datetime_tuple_fold(dt)
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exp = dt.timetuple()[0:6] + (dt.microsecond, dt.fold)
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assert act == exp
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def test_invalid_datetime_fails():
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with pytest.raises(ValueError):
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rdt.make_datetime(2011, 1, 42, 0, 0, 0, 0)
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def test_datetime_typeerror():
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with pytest.raises(TypeError):
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rdt.make_datetime("2011", 1, 1, 0, 0, 0, 0)
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@given(dt=st.datetimes(MIN_DATETIME, MAX_DATETIME))
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@example(dt=pdt.datetime(1971, 1, 2, 0, 0))
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def test_datetime_from_timestamp(dt):
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if PYPY and dt < pdt.datetime(1900, 1, 1):
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pytest.xfail("pdt.datetime.timestamp will raise on PyPy with dates before 1900")
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ts = pdt.datetime.timestamp(dt)
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assert rdt.datetime_from_timestamp(ts) == pdt.datetime.fromtimestamp(ts)
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def test_datetime_from_timestamp_tzinfo():
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d1 = rdt.datetime_from_timestamp(0, tz=UTC)
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d2 = rdt.datetime_from_timestamp(0, tz=UTC)
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assert d1 == d2
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assert d1.tzinfo is d2.tzinfo
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@pytest.mark.parametrize(
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"args",
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[
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(0, 0, 0),
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(1, 0, 0),
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(-1, 0, 0),
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(0, 1, 0),
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(0, -1, 0),
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(1, -1, 0),
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(-1, 1, 0),
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(0, 0, 123456),
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(0, 0, -123456),
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],
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)
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def test_delta(args):
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act = pdt.timedelta(*args)
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exp = rdt.make_delta(*args)
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assert act == exp
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@given(td=st.timedeltas())
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def test_delta_accessors(td):
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act = rdt.get_delta_tuple(td)
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exp = (td.days, td.seconds, td.microseconds)
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assert act == exp
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@pytest.mark.parametrize(
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"args,err_type",
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[
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((MAX_DAYS + 1, 0, 0), OverflowError),
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((MIN_DAYS - 1, 0, 0), OverflowError),
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((0, MAX_SECONDS + 1, 0), OverflowError),
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((0, MIN_SECONDS - 1, 0), OverflowError),
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((0, 0, MAX_MICROSECONDS + 1), OverflowError),
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((0, 0, MIN_MICROSECONDS - 1), OverflowError),
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(("0", 0, 0), TypeError),
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((0, "0", 0), TypeError),
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((0, 0, "0"), TypeError),
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],
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)
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def test_delta_err(args, err_type):
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with pytest.raises(err_type):
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rdt.make_delta(*args)
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def test_tz_class():
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tzi = rdt.TzClass()
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dt = pdt.datetime(2018, 1, 1, tzinfo=tzi)
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assert dt.tzname() == "+01:00"
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assert dt.utcoffset() == pdt.timedelta(hours=1)
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assert dt.dst() is None
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def test_tz_class_introspection():
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tzi = rdt.TzClass()
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assert tzi.__class__ == rdt.TzClass
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# PyPy generates <importlib.bootstrap.TzClass ...> for some reason.
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assert re.match(r"^<[\w\.]*TzClass object at", repr(tzi))
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