mirror of https://github.com/mahmoud/boltons.git
59 lines
2.0 KiB
Python
59 lines
2.0 KiB
Python
from datetime import timedelta, date
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import pytest
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from boltons.timeutils import daterange
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def test_daterange_years():
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new_year = date(2017, 1, 1)
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bit_rollover = date(2038, 1, 19)
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new_years_remaining = daterange(new_year, bit_rollover, step=(1, 0, 0))
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assert len(list(new_years_remaining)) == 22
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y2025 = date(2025, 1, 1)
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bakers_years_til_2025 = list(daterange(new_year, y2025, step=(1, 1, 0)))
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assert len(bakers_years_til_2025) == 8
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assert bakers_years_til_2025[-1] == date(2024, 8, 1)
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assert bakers_years_til_2025[-1] == date(2024, 8, 1)
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years_from_2025 = list(daterange(y2025, new_year, step=(-1, 0, 0),
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inclusive=True))
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assert years_from_2025[0] == date(2025, 1, 1)
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assert years_from_2025[-1] == date(2017, 1, 1)
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def test_daterange_years_step():
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start_day = date(year=2012, month=12, day=25)
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end_day = date(year=2016, month=1, day=1)
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dates = list(daterange(start_day, end_day, step=(1, 0, 0), inclusive=False))
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expected = [date(year=2012, month=12, day=25), date(year=2013, month=12, day=25), date(year=2014, month=12, day=25), date(year=2015, month=12, day=25)]
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assert dates == expected
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dates = list(daterange(start_day, end_day, step=(0, 13, 0), inclusive=False))
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expected = [date(year=2012, month=12, day=25), date(year=2014, month=1, day=25), date(year=2015, month=2, day=25)]
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assert dates == expected
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def test_daterange_infinite():
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today = date.today()
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infinite_dates = daterange(today, None)
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for i in range(10):
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assert next(infinite_dates) == today + timedelta(days=i)
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def test_daterange_with_same_start_stop():
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today = date.today()
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date_range = daterange(today, today)
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with pytest.raises(StopIteration):
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next(date_range)
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date_range_inclusive = daterange(today, today, inclusive=True)
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assert next(date_range_inclusive) == today
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with pytest.raises(StopIteration):
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next(date_range_inclusive)
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