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# coding: utf-8
# Copyright 2014-2025 Álvaro Justen <https://github.com/turicas/rows/>
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
# Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
# more details.
# You should have received a copy of the GNU Lesser General Public License along with this program. If not, see
# <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals
import datetime
from rows.utils.date import (
date_range,
last_day,
last_month,
last_week,
next_day,
next_month,
next_week,
next_year,
)
def test_last_day():
assert last_day(datetime.date(2021, 1, 1)) == datetime.date(2020, 12, 31)
def test_next_day():
assert next_day(datetime.date(2020, 12, 31)) == datetime.date(2021, 1, 1)
def last_week(date):
assert last_week(datetime.date(2021, 1, 7)) == datetime.date(2020, 12, 31)
def test_next_week():
assert next_week(datetime.date(2020, 12, 31)) == datetime.date(2021, 1, 7)
def test_last_month():
assert last_month(datetime.date(2020, 2, 5), semantic=True) == datetime.date(
2020, 1, 5
)
assert last_month(datetime.date(2020, 2, 29), semantic=True) == datetime.date(
2020, 1, 29
)
assert last_month(datetime.date(2021, 2, 28), semantic=True) == datetime.date(
2021, 1, 28
)
assert last_month(datetime.date(2020, 2, 5), semantic=False) == datetime.date(
2020, 1, 5
)
assert last_month(datetime.date(2020, 3, 10), semantic=False) == datetime.date(
2020, 2, 10
)
assert last_month(datetime.date(2020, 2, 1), semantic=False) == datetime.date(
2020, 1, 1
)
def test_next_month():
assert next_month(datetime.date(2020, 1, 5), semantic=True) == datetime.date(
2020, 2, 5
)
assert next_month(datetime.date(2020, 1, 31), semantic=True) == datetime.date(
2020, 2, 29
)
assert next_month(datetime.date(2021, 1, 31), semantic=True) == datetime.date(
2021, 2, 28
)
assert next_month(datetime.date(2020, 1, 5), semantic=False) == datetime.date(
2020, 2, 5
)
assert next_month(datetime.date(2020, 1, 31), semantic=False) == datetime.date(
2020, 3, 2
)
def test_last_year():
assert next_year(datetime.date(2020, 2, 28)) == datetime.date(2021, 2, 28)
assert next_year(datetime.date(2016, 2, 29)) == datetime.date(2017, 3, 1)
def test_next_year():
assert next_year(datetime.date(2020, 2, 28)) == datetime.date(2021, 2, 28)
assert next_year(datetime.date(2016, 2, 29)) == datetime.date(2017, 3, 1)
def test_date_range():
result = list(
date_range(datetime.date(2020, 1, 1), datetime.date(2020, 1, 3), step="daily")
)
expected = [datetime.date(2020, 1, 1), datetime.date(2020, 1, 2)]
assert result == expected
result = list(
date_range(
datetime.date(2020, 1, 1), datetime.date(2020, 3, 30), step="monthly"
)
)
expected = [
datetime.date(2020, 1, 1),
datetime.date(2020, 2, 1),
datetime.date(2020, 3, 1),
]
assert result == expected
result = list(date_range(datetime.date(2020, 1, 1), datetime.date(2020, 1, 3)))
expected = [datetime.date(2020, 1, 1), datetime.date(2020, 1, 2)]
assert result == expected
result = list(
date_range(
datetime.date(2020, 1, 1),
datetime.date(2019, 12, 30),
step=datetime.timedelta(days=-1),
)
)
expected = [datetime.date(2020, 1, 1), datetime.date(2019, 12, 31)]
assert result == expected
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